EP3378724B1 - Method for reliably determining actual output information in the field of railway technology - Google Patents

Method for reliably determining actual output information in the field of railway technology Download PDF

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Publication number
EP3378724B1
EP3378724B1 EP17162269.9A EP17162269A EP3378724B1 EP 3378724 B1 EP3378724 B1 EP 3378724B1 EP 17162269 A EP17162269 A EP 17162269A EP 3378724 B1 EP3378724 B1 EP 3378724B1
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EP
European Patent Office
Prior art keywords
information
determined
client device
output information
input information
Prior art date
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EP17162269.9A
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German (de)
French (fr)
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EP3378724A1 (en
Inventor
Pierre LE MAGUET
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Thales Management and Services Deutschland GmbH
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Thales Management and Services Deutschland GmbH
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Application filed by Thales Management and Services Deutschland GmbH filed Critical Thales Management and Services Deutschland GmbH
Priority to PT171622699T priority Critical patent/PT3378724T/en
Priority to EP17162269.9A priority patent/EP3378724B1/en
Priority to ES17162269T priority patent/ES2767065T3/en
Priority to PL17162269T priority patent/PL3378724T3/en
Priority to DK17162269.9T priority patent/DK3378724T3/en
Publication of EP3378724A1 publication Critical patent/EP3378724A1/en
Application granted granted Critical
Publication of EP3378724B1 publication Critical patent/EP3378724B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/16—Devices for counting axles; Devices for counting vehicles
    • B61L1/169—Diagnosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0081—On-board diagnosis or maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • B61L21/04—Electrical locking and release of the route; Electrical repeat locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/40—Handling position reports or trackside vehicle data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/53—Trackside diagnosis or maintenance, e.g. software upgrades for trackside elements or systems, e.g. trackside supervision of trackside control system conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions

Definitions

  • the invention relates to a method for the reliable determination of a current output information in the field of railway technology after failure of a client device connected to at least one sensor device via a network with an evaluation unit.
  • Client devices are used in train operation to determine output information based on input information previously detected by one or more sensor devices.
  • the client device comprises an evaluation unit for receiving and processing the input information.
  • the client device can also process internal state information.
  • An improvement in this regard is the in EP 1 498 336 B1 described method for determining the occupancy state of a track section, in which after a restart of an axle counting system (client device) synchronized counts (input information) and status information (output information) are stored in the points of delivery. After a restart of the axle counting system, this stored information is transmitted to the evaluation unit together with the current count values. If the difference of the stored values equals the difference of the current values, the track section is considered free.
  • a disadvantage of this method is that it is defined only for determination of occupancy states.
  • the storage locations are external components whose connection and storage costs are very high.
  • the object of the invention is to propose a method with which a reliable determination of output information in the field of railway technology, which is derived from detected input information, can be ensured even in the event of failure of the state and output information determining client device, the method applicable to different railway technical areas should be.
  • the method steps a) to d) are carried out repeatedly, so that Einhol seeds be stored at different reference times in the sensor device and can be retrieved from the client device, wherein at least the most recent stored Einholinformation remains stored in the sensor device.
  • a regular transmission of the input information from the sensor device to the client device is provided.
  • the continuity check is independent of failures from the client device.
  • the current output information is determined on the basis of the last stored data record and on the basis of the transferred inbound information which was determined during the failure of the client device and was transmitted to the client device as wake-up information after reactivation of the client device.
  • the task of the client device is to determine output information based on input information.
  • the input information comprises data which are determined by the sensor device.
  • the storage device is part of the network and may be connected to the client device or part of the client device.
  • the memory device is independent of the operating state of the client device, ie if the client device fails (eg due to a crash or shutdown), the data stored in the memory device is not lost.
  • an internal state information eg the number of axes within a track section
  • the output information eg occupancy state of the track section
  • Output information is information obtained from input information from the client device. Output information may be obtained directly from the input information transmitted from the client device or together with internal state information that previously determined from the transmitted input information has been. However, the input information and internal state information used to determine output information must refer to the same point in time. A current state or output information is that state or output information that has been determined on the basis of last-determined input information. Output information is output from the client device for processing by other devices. The output information corresponds in many cases to the state information, but may also be information derived from the state information (eg, occupancy states derived from the number of axles within a track section).
  • the fetch information comprises a selection of the data of the input information.
  • the selection is defined so that the Einhol seeds that have been archived since the reference time, make it possible at any time, upon reactivation of the client device to determine the current state information of the client device based on the last stored record again.
  • the catching information stored in the sensor device can (but does not have to) include all the data of the determined input information. For example, in the case of a cyclically determining point of delivery, only those count states in which the count state has changed must be archived.
  • the retrieve information transmitted after reactivation of the client device comprises, in particular, those retrieve information that was determined and stored during the failure of the client device and therefore could not be transmitted to the client device and / or processed by the client device before the client device was reactivated. If no input information was detected in the period between failure and reactivation of the client device, the information is transmitted that nothing has changed during the failure of the client device.
  • the retrieval information stored in the sensor device is related to a reference time and includes a corresponding time mark.
  • the stored data record comprises the input information determined at a specific time and the state information and / or output information determined therefrom which are stored in the memory device.
  • the stored data record is characterized in that its data components are reliably consistent, ie the input information and the output information or state information determined therefrom describe field states at the same time T archiving .
  • a special variant of the method according to the invention provides that the data record for storage is transmitted from the client device to the storage device via the network.
  • an external memory is used as memory device as memory device, which is connected by the network with the client device.
  • the network may include a sensor network and a system network, wherein the system network connects the client device to the storage device and the sensor network connects the sensor device to the client device.
  • the sensor network is used to transmit the input information and possibly of re-request messages, confirmation messages and continuity information.
  • the system network typically (but not necessarily) has greater bandwidth and / or computing capacity than the sensor network.
  • the storage device is then integrated in the client device.
  • the storage device must then be a non-volatile memory, i. a memory in which the contents remain stored at least until the client device is reactivated.
  • a continuity information is determined during reactivation and transmitted together with the collection information.
  • the continuity information indicates whether the sensor device has been in safe operation since the last time it was archived. This ensures that the data used to determine the output information after the client device fails is complete. If the continuity information does not contain confirmation of continuity or if continuity information is not provided, the stored dataset may be incomplete or erroneous. If the record is incomplete or incorrect, the client device can update the current one Not sure to determine output information. The system must then be reinitialized using methods other than those described in this patent.
  • all catch-up information stored between failure and reactivation of the client device is transmitted from the sensor device to the client device.
  • this variant is not optimized in view of the storage capacity requirement, it is particularly easy to develop because it enables the same process steps for determining the current output information as in normal operation for the determination of the output information during the reactivation.
  • the sensor device receives a confirmation message after a data record has been archived-be it directly from the memory device or indirectly from the client device.
  • the confirmation message which is assigned to the reference time concerned, it can be reconstructed by the sensor device that the input information was already processed before the reference time and has flowed into the already archived state information.
  • the sensor device knows that the collection information, which was stored before the reference time, is no longer needed for future reactivations and thus the corresponding storage space can be released.
  • the size of the memory for the collection information and the associated costs can be limited.
  • the corresponding input information can be classified as "not transmitted” and can then (after) be transferred after reactivation of the client device as Einholinformation.
  • the sensor device retains its entire history in a ring buffer and overwrites the oldest elements if no more storage space is available.
  • the ring buffer can be pre-sized to allow a failure of the client device to ring buffer not crowded.
  • the memory requirement can also be limited. In this case no confirmation message is necessary.
  • the client device After reactivation of the client device, the client device preferably transmits a new request to the sensor device, which triggers the transmission of the collection information.
  • the transmission of the continuity information is preferably also triggered by the new request.
  • count values are determined as input information. Based on the counts, the occupancy state of a track section is determined as output information.
  • the occupancy state of a track section is determined as output information.
  • the occupancy state of a track section is determined as output information.
  • the memory device is integrated in the client device as non-volatile memory.
  • occupancy condition of at least one track section is determined as input information.
  • the output information is a train position.
  • a client device can then be used an interlocking and as a sensor device Achsonneausncetician.
  • one or more train positions are determined as input information.
  • the status or the dismantling of a route is determined.
  • a sensor device can then be a signal box and client equipment as a line center be used.
  • the term "driveway” refers to the linking of driveway elements (eg track sections and their occupancy, intersections, level crossing, points and signals in a suitable position) to a technically secured track.
  • the status of a driveway describes u. A. which track sections the route includes, and their conditions in the route connection: eg "still to drive", "occupied”, “free of trains but still as flank protection to secure", "in the context of the route no longer requiring insurance".
  • the occupancy state of one or more track sections and, as output information, the status or a reduction of at least one route are determined as input information.
  • An axle counting evaluation unit or a track circuit evaluation unit can then be used as the sensor device and a line center can be used as the client device.
  • the line center is, for example, a Radio Block Center (RBC) belonging to a European Train Control Systems (ETCS).
  • RBC Radio Block Center
  • ETCS European Train Control Systems
  • one and the same device may have the function of a client device for determining an output information (occupancy state) from input information (counts) as well as the function of a sensor device for determining input information (occupancy state), from which another one Client worn (interlocking) another output information (status of the route) can be determined.
  • states (circuit state, position state, etc.) of safety-relevant elements of a route are input information determined.
  • the status or a reduction of at least one route is determined, for example, whether the route is released.
  • a sensor device can then be used a field element control unit and as a client device a line center.
  • the continuity of the circuit state of the element within a predetermined period of time and thus the technical safety of a route is monitored as state information.
  • the interlocking can enable or block the corresponding route (output information).
  • one or more train positions or field element states, in particular of points, and road statuses are determined as input information.
  • the output information is determined by the Movement Authority.
  • a sensor device can then be used a signal box or a field element control unit and a train control.
  • a route center can be used.
  • Fig. 1a shows by way of example sensor devices 1 with six sensor units 11, which are connected by a sensor network 2 with a client device 3 .
  • the sensor device 1 detected measured values (input information I a) for a reference point in time, due to the output information from I (and possibly status information I zust in the client device 3 -. S. Fig. 1b ) for the reference time.
  • the output information I out can then be forwarded by the client device 3.
  • a system network 4 the output information I and the transmitted input information I is a basis of which the output information I from it has been determined (ie belonging to the same reference time input information I and output information I off) transmitted to a storage device 5 and stored as a data record DS ,
  • a device is shown in which the memory device is integrated in the client device 3. While at the in Fig. 1a In the case of the device shown in FIG. 2, the network comprises a sensor network 2 and a system network 4, in the case of the in Fig. 2 shown device on a system network 4 are omitted.
  • the memory device In order for the data in the memory device 5 not to be lost in the event of a failure of the client device 3, the memory device must comprise a permanent (non-volatile) memory or a memory that has a retention time that should be designed longer than the duration of a failure of the client device 3 is expected.
  • no output information I out can be calculated.
  • the input information measured by the sensor device 1 is acquired at each reference time I a, or a selection thereof stored as Einholinformation I hol in the sensor device 1, at least temporarily, so that after reactivation the stored during the failure Einholmes I hol (T N ... T N + M) may be transmitted to the client device.
  • Fig. 2 shows a typical sequence of a preferred variant of the method according to the invention.
  • the sensor device 1 is determined to be a reference time point T 1 (for example by measurement) the input information I a (T 1), is stored by the a selection as Einholinformation I hol (T 1) in the sensor device. 1
  • the input information I a (T 1) is transmitted to the client device. 3
  • the client device 3 sends after receipt of the input information I a (T 1) each include a confirmation message (not shown) on the sensor device 1, thereby I hol (T 1) can be authorized for example, deleting the corresponding data stored in the sensor device 1 Einholapa.
  • the client device 3 is determined based on the transmitted input information I a (T 1) the output information I from (T 1) or state information from the output information can be derived from (T 1) I (not shown), and transmits these together with the is carried out corresponding input information I a (T 1) as a data set DS (T 1) to the memory device 5. the same procedure to the other reference points (T 2 ... T N).
  • the client device 3 fails after the reference time (T N ) and is reactivated after the time (T N + M ).
  • a (T + N m) are determined by the sensor means further input information I a (T N + 1) ...
  • I hol (T N + M ) is transmitted in the process variant shown together with a continuity information KI to ensure that the sensor devices 1 have not failed during the failure of the client device 3 itself.
  • a transmission request ÜI of the last data record DS (T N ) stored in the memory device 5 takes place.
  • a current output information I out (T N + M ) can be determined.
  • counting points can be used as sensor device and an axle counting evaluation unit can be used as client device.
  • the counting points determine counting values as input information (by means of which the number of axes which have passed the counting point in one direction minus the number of axes which have passed the counting point in the other direction) can be deduced, from which the axle counting evaluation unit occupancy states of the track section, which is limited by the points of delivery, determined.
  • the current occupancy state can be done by the last stored in the memory device record DS (T N ) and the current (ie last determined) counter values I a (T N + M ) of the points of delivery.
  • axle counting evaluation units of an axle counting system and client equipment can be used as a sensor device, the axle counting evaluation units determining slip conditions of track sections as input information from which the interlocking the status of a route (eg which track sections can be released as a route) determined.
  • the axle counting evaluation units After failure of the interlocking of the current status of the traveling road can be obtained by the most recently stored in said storage means data set DS (T N) and the detected during the failure of the signal box assignment states I a (T N + 1) ... I a (T N + M ) respectively.
  • T N storage means data set DS
  • interlockings In order to determine train positions as output information, it is possible to use interlockings as the sensor device and a line center as client device, the interlockings determining the status of routes and / or occupancy sections and / or switches from which the line center determines train positions. After failure of the line center, the current train position can be done by the last stored in the memory device record DS (T N ) and the determined during the failure of the line center status of routes and / or occupancy sections and / or switches. It is imperative that all Einholze I stored during the failure of the interlocking a (T N + 1) ... I a (T N + M) (status determined) are transmitted to the centralized track control station.
  • a route as output information can be used as a sensor device signal monitoring units and as a client device interlocking
  • the signal monitoring units determine circuit states of the train signal from which the interlocking determines the continuity of the circuit state as state information, which is a criterion for a release or a Blockade of the driveway can serve.
  • the continuity of the current circuit state can be obtained by the most recently stored in said storage means data set DS (T N) and the detected during the failure of the interlocking circuit states I a (T N + 1) ... I a (T N + M ) within the given period. It is imperative that all stored during the failure of the interlocking as Einhol seeds I a (T N + 1) ... I a (T N + M) (determined switching states) are transmitted to the centralized track control station, if the predetermined in the Fall period.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Description

Hintergrund der ErfindungBackground of the invention

Die Erfindung betrifft ein Verfahren zur sicheren Ermittlung einer aktuellen Ausgabeinformation im Bereich Bahntechnik nach Ausfall einer mit mindestens einer Sensoreinrichtung über ein Netzwerk verbundenen Clienteinrichtung mit einer Auswerteeinheit.The invention relates to a method for the reliable determination of a current output information in the field of railway technology after failure of a client device connected to at least one sensor device via a network with an evaluation unit.

Clienteinrichtungen werden im Bahnbetrieb verwendet, um anhand von Eingabeinformationen, welche zuvor von einer oder mehreren Sensoreinrichtung detektiert wurden, Ausgabeinformationen zu ermitteln. Dazu umfasst die Clienteinrichtung eine Auswerteeinheit zum Empfang und zur Verarbeitung der Eingabeinformationen. Zur Erarbeitung von Ausgabeinformationen kann die Clienteinrichtung auch interne Zustandsinformationen verarbeiten.Client devices are used in train operation to determine output information based on input information previously detected by one or more sensor devices. For this purpose, the client device comprises an evaluation unit for receiving and processing the input information. For the preparation of output information, the client device can also process internal state information.

Da aus Sicherheitsgründen Zugsteuerungen nur up-to-date Eingaben für die Berechnung von Ausgabeinformation verwenden dürfen, arbeiten Clienteinrichtung mit flüchtig gespeicherten Abbildungen der Ihnen zur Verfügung gestellten Sensor Information.Because, for security reasons, train controls are only allowed to use up-to-date input for the calculation of output information, client devices work with flashed images of the sensor information provided to you.

Bei einer Reaktivierung der Clienteinrichtung nach einem Ausfall gehen interne Zustandsinformationen verloren und müssen daher wieder erarbeitet werden, indem sie bei allen Sensoreinrichtungen wieder abgefragt werden, durch händische Eingabe wieder erstellt und abgeglichen werden.Upon reactivation of the client device after a failure, internal state information is lost and therefore must be reclaimed by retrieving it at all sensor devices, recreating it by manual input, and reconciling it.

Eine Verbesserung diesbezüglich stellt das in EP 1 498 336 B1 beschriebene Verfahren zur Ermittlung des Belegungszustandes eines Gleisabschnitts dar, bei dem nach einem Neustart eines Achszählsystems (Clienteinrichtung) synchronisierte Zählwerte (Eingabeinformationen) und eine Statusinformation (Ausgabeinformationen) in den Zählpunkten gespeichert werden. Nach einem Neustart des Achszählsystems wird diese gespeicherte Information zusammen mit den aktuellen Zählwerten an die Auswerteeinheit übertragen. Wenn die Differenz der gespeicherten Werte gleich der Differenz der aktuellen Werte ist, wird der Gleisabschnitt als frei bewertet.An improvement in this regard is the in EP 1 498 336 B1 described method for determining the occupancy state of a track section, in which after a restart of an axle counting system (client device) synchronized counts (input information) and status information (output information) are stored in the points of delivery. After a restart of the axle counting system, this stored information is transmitted to the evaluation unit together with the current count values. If the difference of the stored values equals the difference of the current values, the track section is considered free.

Nachteilig an diesem Verfahren ist, dass es nur für Ermittlung von Belegungszuständen definiert ist. Darüber hinaus handelt es sich bei den Speicherorten um Außenkomponenten, deren Anschluss- und Speicherkosten sehr hoch sind.A disadvantage of this method is that it is defined only for determination of occupancy states. In addition, the storage locations are external components whose connection and storage costs are very high.

Aufgabe der ErfindungObject of the invention

Es ist Aufgabe der Erfindung, ein Verfahren vorzuschlagen, mit dem eine sichere Ermittlung von Ausgabeinformationen im bahntechnischen Bereich, welche von detektierten Eingangsinformationen abgeleitet werden, auch bei Ausfall der Zustands- und Ausgabeinformationen ermittelnden Clienteinrichtung sichergestellt werden kann, wobei das Verfahren auf unterschiedliche bahntechnische Bereiche anwendbar sein soll.The object of the invention is to propose a method with which a reliable determination of output information in the field of railway technology, which is derived from detected input information, can be ensured even in the event of failure of the state and output information determining client device, the method applicable to different railway technical areas should be.

Beschreibung der ErfindungDescription of the invention

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren gemäß Patentanspruch 1.This object is achieved by a method according to claim 1.

Das erfindungsgemäße Verfahren umfasst folgende Verfahrensschritte:

  1. a) Ermittlung von Eingabeinformationen mittels der Sensoreinrichtung zu einem Referenzzeitpunkt, wobei in der Sensoreinrichtung Einholinformationen gespeichert werden, welche die Gesamtheit oder eine Auswahl der Eingabeinformationen umfassen;
  2. b) Übertragung der ermittelten Eingabeinformation von der Sensoreinrichtung zur Auswerteeinheit der Clienteinrichtung;
  3. c) Ermittlung der Ausgabeinformation oder einer Zustandsinformation, die notwendig ist, um die Ausgabeinformation abzuleiten, durch Verarbeitung der übertragenen Eingabeinformation mittels der Auswerteeinheit der Clienteinrichtung;
  4. d) Speicherung eines Datensatzes umfassend die übertragenen Eingabeinformation und die daraus ermittelte Ausgabeinformation oder Zustandsinformation in einer Speichereinrichtung außerhalb der Sensoreinrichtung;
Erfindungsgemäß werden die Verfahrensschritte a) bis d) für verschiedene Referenzzeitpunkte wiederholt und es wird eine Kontinuitätsprüfung hinsichtlich eines kontinuierlichen Betriebs der Sensoreinrichtung durchgeführt. Nach Ausfall der Clienteinrichtung zu einem Ausfallszeitpunkt und Reaktivierung der Clienteinrichtung zu einem Reaktivierungszeitpunkt werden erfindungsgemäß folgende Verfahrensschritte durchgeführt:
  • e) Übertragung des zuletzt gespeicherten Datensatzes von der Speichereinrichtung an die Auswerteeinheit der Clienteinrichtung und
  • f) Übertragung der Einholinformationen, die im Zeitraum zwischen dem Referenzzeitpunkt des zuletzt in der Speichereinrichtung gespeicherten Datensatzes (DS(TN) und dem Reaktivierungszeitpunkt von der Sensoreinrichtung gespeichert wurden, zur Auswerteeinheit der Clienteinrichtung; und
  • g) Ermittlung der aktuellen Ausgabeinformation anhand des zuletzt gespeicherten Datensatzes und der übertragenen Einholinformationen durch die Auswerteeinheit der Clienteinrichtung,
wobei Schritt f) und somit Schritt g) nur durchgeführt werden, wenn die Kontinuitätsprüfung ergibt, dass die Sensoreinrichtung zwischen dem Referenzzeitpunkt des zuletzt in der Speichereinrichtung gespeicherten Datensatzes und dem Reaktivierungszeitpunkt verfügbar war.The method according to the invention comprises the following method steps:
  1. a) determination of input information by means of the sensor device at a reference time, wherein in the sensor device catching information is stored, which comprises the entirety or a selection of the input information;
  2. b) transmission of the ascertained input information from the sensor device to the evaluation unit of the client device;
  3. c) determining the output information or state information necessary to derive the output information by processing the transmitted input information by the evaluation unit of the client device;
  4. d) storing a data record comprising the transmitted input information and the output information or status information determined therefrom in a memory device outside the sensor device;
According to the invention, the method steps a) to d) are repeated for different reference times and a continuity test is carried out with regard to a continuous operation of the sensor device. After failure of the client device at a time of default and reactivation of the client device at a reactivation time, the following method steps are performed according to the invention:
  • e) transmission of the last stored data record from the memory device to the evaluation unit of the client device and
  • f) transmission of the fetch information which was stored by the sensor device in the period between the reference time of the last data record (DS (T N ) stored in the memory device and the reactivation time to the evaluation unit of the client device;
  • g) determination of the current output information on the basis of the last stored data record and of the transferred acquisition information by the evaluation unit of the client device,
wherein step f) and thus step g) are performed only if the continuity test reveals that the sensor device was available between the reference time of the last record stored in the memory device and the reactivation time.

Die Verfahrensschritte a) bis d) werden wiederholt durchgeführt, so dass Einholinformationen zu verschiedenen Referenzzeitpunkten in der Sensoreinrichtung gespeichert werden und von der Clienteinrichtung abgerufen werden können, wobei zumindest die aktuellste gespeicherte Einholinformation in der Sensoreinrichtung gespeichert bleibt. Vorzugsweise ist auch eine regelmäßige Übertragung der Eingabeinformation von der Sensoreinrichtung zur Clienteinrichtung vorgesehen. Es ist jedoch auch möglich, die Übertragung nur nach Anforderung (on demand) durchzuführen.The method steps a) to d) are carried out repeatedly, so that Einholinformationen be stored at different reference times in the sensor device and can be retrieved from the client device, wherein at least the most recent stored Einholinformation remains stored in the sensor device. Preferably, a regular transmission of the input information from the sensor device to the client device is provided. However, it is also possible to carry out the transmission only on request (on demand).

Die Kontinuitätsprüfung ist unabhängig von Ausfällen von der Clienteinrichtung.The continuity check is independent of failures from the client device.

Die aktuelle Ausgabeinformation wird anhand des zuletzt gespeicherten Datensatzes sowie anhand der übertragenen Einholinformationen, welche während des Ausfalls der Clienteinrichtung ermittelt und nach Reaktivierung der Clienteinrichtung als Einholinformationen an die Clienteinrichtung übermittelt wurde, ermittelt.The current output information is determined on the basis of the last stored data record and on the basis of the transferred inbound information which was determined during the failure of the client device and was transmitted to the client device as wake-up information after reactivation of the client device.

Aufgabe der Clienteinrichtung ist es, anhand von Eingabeinformationen Ausgabeinformationen zu ermitteln.The task of the client device is to determine output information based on input information.

Die Eingabeinformation umfasst Daten, welche von der Sensoreinrichtung ermittelt werden.The input information comprises data which are determined by the sensor device.

Die Speichereinrichtung ist ein Teil des Netzwerks und kann mit der Clienteinrichtung verbunden oder Teil der Clienteinrichtung sein. Die Speichereinrichtung ist auf jeden Fall unabhängig vom Betriebszustand der Clienteinrichtung, d.h. wenn die Clienteinrichtung ausfällt (z.B. durch Absturz oder Abschaltung), gehen die in der Speichereinrichtung gespeicherten Daten nicht verloren.The storage device is part of the network and may be connected to the client device or part of the client device. In any case, the memory device is independent of the operating state of the client device, ie if the client device fails (eg due to a crash or shutdown), the data stored in the memory device is not lost.

Durch Verarbeitung der übertragenen Eingabeinformationen mittels der Clienteinrichtung kann eine interne Zustandsinformation (z.B. die Anzahl der Achsen innerhalb eines Gleisabschnitts) ermittelt/abgeleitet werden, aus der schließlich die Ausgabeinformation (z.B. Belegungszustand des Gleisabschnitts) abgeleitet werden kann (Schritt c). Die Ermittlung der abgeleiteten internen Zustandsinformation ist also ein Zwischenschritt um die Ausgabeinformation zu ermitteln.By processing the transmitted input information by means of the client device, an internal state information (eg the number of axes within a track section) can be determined / derived, from which finally the output information (eg occupancy state of the track section) can be derived (step c). The determination of the derived internal state information is thus an intermediate step to determine the output information.

Ausgabeinformationen sind Informationen, welche anhand von Eingabeinformationen von der Clienteinrichtung ermittelt werden. Eine Ausgabeinformation kann direkt aus der von der Clienteinrichtung übertragenen Eingabeinformation oder zusammen mit internen Zustandsinformation ermittelt werden, welche zuvor aus der übertragenen Eingabeinformation ermittelt wurde. Die zur Ermittlung einer Ausgabeinformation herangezogene Eingabeinformation und interne Zustandsinformation müssen sich jedoch auf denselben Zeitpunkt beziehen. Eine aktuelle Zustands- bzw. Ausgabeinformation ist diejenigen Zustands- bzw. Ausgabeinformation, weiche anhand von zuletzt ermittelten Eingabeinformationen ermittelt wurde. Ausgabeinformationen werden von der Clienteinrichtung ausgegeben, um von weiteren Einrichtungen verarbeitet werden zu können. Die Ausgabeinformationen entsprechen in vielen Fällen den Zustandsinformationen, können jedoch auch Informationen sein, welche aus den Zustandsinformationen abgeleitete wurden (z.B. Belegungszustände, abgeleitet aus der Anzahl der Achsen innerhalb eines Gleisabschnitts). Output information is information obtained from input information from the client device. Output information may be obtained directly from the input information transmitted from the client device or together with internal state information that previously determined from the transmitted input information has been. However, the input information and internal state information used to determine output information must refer to the same point in time. A current state or output information is that state or output information that has been determined on the basis of last-determined input information. Output information is output from the client device for processing by other devices. The output information corresponds in many cases to the state information, but may also be information derived from the state information (eg, occupancy states derived from the number of axles within a track section).

Die Einholinformation umfasst eine Auswahl der Daten der Eingabeinformation. Die Auswahl ist so definiert, dass die Einholinformationen die seit dem Referenzzeitpunkt archiviert wurden, es jederzeit ermöglichen, bei einer Reaktivierung der Clienteinrichtung die aktuelle Zustandsinformation der Clienteinrichtung anhand von dem zuletzt gespeicherten Datensatz wieder zu ermitteln. Die in der Sensoreinrichtung gespeicherte Einholinformation kann (muss aber nicht) alle Daten der ermittelten Eingabeinformation umfassen. So müssen bspw. bei einem zyklisch ermittelnden Zählpunkt nur diejenigen Zählzustände archiviert werden, bei denen sich der Zählzustand geändert hat. Die nach Reaktivierung der Clienteinrichtung übermittelten Einholinformationen umfassen insbesondere diejenigen Einholinformationen, die während des Ausfalls der Clienteinrichtung ermittelt und gespeichert wurden und demnach vor Reaktivierung der Clienteinrichtung nicht an die Clienteinrichtung übermittelt und/oder von der Clienteinrichtung verarbeitet werden konnten. Wurde in dem Zeitraum zwischen Ausfall und Reaktivierung der Clienteinrichtung keine Eingabeinformation ermittelt, wird die Information übermittelt, dass sich während des Ausfalls der Clienteinrichtung nichts geändert hat. Die in der Sensoreinrichtung gespeicherte Einholinformation ist auf einen Referenzzeitpunkt bezogen und beinhaltet eine entsprechende Zeitmarke.The fetch information comprises a selection of the data of the input information. The selection is defined so that the Einholinformationen that have been archived since the reference time, make it possible at any time, upon reactivation of the client device to determine the current state information of the client device based on the last stored record again. The catching information stored in the sensor device can (but does not have to) include all the data of the determined input information. For example, in the case of a cyclically determining point of delivery, only those count states in which the count state has changed must be archived. The retrieve information transmitted after reactivation of the client device comprises, in particular, those retrieve information that was determined and stored during the failure of the client device and therefore could not be transmitted to the client device and / or processed by the client device before the client device was reactivated. If no input information was detected in the period between failure and reactivation of the client device, the information is transmitted that nothing has changed during the failure of the client device. The retrieval information stored in the sensor device is related to a reference time and includes a corresponding time mark.

Es wird vorliegend zwischen Zustands- und Ausgabeinformation unterschieden, da Ausgabeinformation Publikationsobjekte sind, welche unvollständig sein können. Wenn dies der Fall ist, wird eine Archivierung der Ausgabeinformation im Datensatz nicht ausreichen, um eine Ermittlung der aktuellen Ausgabeinformation nach dem Ausfall zu ermöglichen. Zum Beispiel enthält die Ausgabeinformation "Gleisabschnitt belegt" weniger Information als die interne Zustandsinformation "Anzahl der Achsen im Gleisabschnitt". In diesem Fall ist die Ausagabeinformation nicht ausreichend, um nach einem Ausfall der Clienteinrichtung zu ermitteln, ob der Gleisabschnitt belegt ist oder nicht.In the present case, a distinction is made between state and output information since output information is publication objects which are incomplete could be. If so, archiving the output information in the record will not be sufficient to allow determination of the current output information after the failure. For example, the output information "track section occupied" contains less information than the internal state information "number of axles in the track section". In this case, the Ausagabeinformation is not sufficient to determine after a failure of the client device, whether the track section is busy or not.

Der gespeicherte Datensatz umfasst die zu einem bestimmten Zeitpunkt ermittelte Eingabeinformation und die daraus ermittelte Zustandsinformation und/oder Ausgabeinformation, welche in der Speichereinrichtung gespeichert werden. Der gespeicherte Datensatz ist dadurch gekennzeichnet, dass seine Datenkomponenten verlässlich konsistent sind, d.h. die Eingabeinformation und die daraus ermittelte Ausgabeinformation oder Zustandsinformation beschreiben Feldzustände zum selben Zeitpunkt TArchivierung.The stored data record comprises the input information determined at a specific time and the state information and / or output information determined therefrom which are stored in the memory device. The stored data record is characterized in that its data components are reliably consistent, ie the input information and the output information or state information determined therefrom describe field states at the same time T archiving .

Durch das Vorsehen einer Speichervorrichtung außerhalb der Sensoreinrichtungen kann im Vergleich zur EP 1 498 336 B1 Speicherkapazitätsbedarf in der Sensoreinrichtungen eingespart werden, ohne dass dies die Effizienz der Ermittlung der Ausgabeinformationen negativ beeinflusst. Darüber hinaus müssen die ermittelten Zustandsinformationen nicht mehr über die Netzwerkverbindung zwischen Clienteinrichtung und Sensoreinrichtung an die Sensoreinrichtung übertragen werden. Dies hat den Vorteil, dass der Speicher- und Bandbreitenbedarf im Umfeld der Sensoreinrichtung eingespart werden kann, wo er am teuersten (Speicher) bzw. am stärksten limitiert (Bandbreite) ist, da die Außenanlagen erschwerten Bedingungen ausgesetzt sind.By providing a storage device outside the sensor devices can be compared to EP 1 498 336 B1 Storage capacity requirements are saved in the sensor devices, without this having a negative impact on the efficiency of the determination of the output information. In addition, the determined status information need no longer be transmitted to the sensor device via the network connection between client device and sensor device. This has the advantage that the memory and bandwidth requirements can be saved in the environment of the sensor device, where it is the most expensive (memory) or the most limited (bandwidth), since the outdoor facilities are exposed to severe conditions.

Bevorzugte Varianten der ErfindungPreferred variants of the invention

Eine spezielle Variante des erfindungsgemäßen Verfahrens sieht vor, dass der Datensatz zur Speicherung von der Clienteinrichtung an die Speichereinrichtung über das Netzwerk übertragen wird. Bei dieser Variante wird als Speichereinrichtung ein externer Speicher als Speichervorrichtung verwendet, der durch das Netzwerk mit der Clienteinrichtung verbunden ist. Das Netzwerk kann ein Sensornetzwerk und ein Systemnetzwerk umfassen, wobei das Systemnetzwerk die Clienteinrichtung mit der Speichereinrichtung und das Sensornetzwerk die Sensoreinrichtung mit der Clienteinrichtung verbindet. Das Sensornetzwerk dient zur Übertragung der Eingabeinformationen und ev. von Neuanforderungsmitteilungen, Bestätigungsnachrichten und Kontinuitätsinformationen. Das Systemnetzwerk weist typischerweise (aber nicht notwendigerweise) eine größere Bandbreite und/oder eine größerer Rechenkapazität als das Sensornetzwerk auf.A special variant of the method according to the invention provides that the data record for storage is transmitted from the client device to the storage device via the network. In this variant, an external memory is used as memory device as memory device, which is connected by the network with the client device. The network may include a sensor network and a system network, wherein the system network connects the client device to the storage device and the sensor network connects the sensor device to the client device. The sensor network is used to transmit the input information and possibly of re-request messages, confirmation messages and continuity information. The system network typically (but not necessarily) has greater bandwidth and / or computing capacity than the sensor network.

Alternativ hierzu ist es auch möglich, den Datensatz zur Speicherung innerhalb der Clienteinrichtung an die Speichereinrichtung zu übertragen. Die Speichereinrichtung ist dann in der Clienteinrichtung integriert. Bei der Speichereinrichtung muss es sich dann jedoch um einen nicht-flüchtigen Speicher handeln, d.h. um einen Speicher, bei dem die Inhalte zumindest bis zur Reaktivierung der Clienteinrichtung gespeichert bleiben.Alternatively, it is also possible to transmit the data record to the storage device for storage within the client device. The storage device is then integrated in the client device. However, the storage device must then be a non-volatile memory, i. a memory in which the contents remain stored at least until the client device is reactivated.

Bei einer vorteilhaften Weiterbildung dieser Variante wird bei der Reaktivierung eine Kontinuitätsinformation ermittelt und zusammen mit den Einholinformationen übermittelt. Aus der Kontinuitätsinformation geht hervor, ob die Sensoreinrichtung seit der letzten Archivierung durchgehend im sicheren Betrieb war. Hierdurch wird sichergestellt, dass die Daten, mit denen die Ausgabeinformation nach Ausfall der Clienteinrichtung ermittelt wird, vollständig sind. Enthält die Kontinuitätsinformation keine Bestätigung der Kontinuität oder wird keine Kontinuitätsinformation übermittelt, ist der gespeicherte Datensatz möglicherweise unvollständig oder fehlerhaft. Bei einem unvollständigen oder fehlerhaften Datensatz kann die Clienteinrichtung die aktuelle Ausgabeinformation nicht sicher ermitteln. Das System muss dann über andere Verfahren als die in diesem Patent beschriebenen reinitialisiert werden.In an advantageous development of this variant, a continuity information is determined during reactivation and transmitted together with the collection information. The continuity information indicates whether the sensor device has been in safe operation since the last time it was archived. This ensures that the data used to determine the output information after the client device fails is complete. If the continuity information does not contain confirmation of continuity or if continuity information is not provided, the stored dataset may be incomplete or erroneous. If the record is incomplete or incorrect, the client device can update the current one Not sure to determine output information. The system must then be reinitialized using methods other than those described in this patent.

Bei einer speziellen Variante des erfindungsgemäßen Verfahrens werden sämtliche, zwischen Ausfall und Reaktivierung der Clienteinrichtung gespeicherte Einholinformationen von der Sensoreinrichtung an die Clienteinrichtung übertragen. Diese Variante ist zwar nicht optimiert angesichts des Speicherkapazitätsbedarfs, ist aber besonders leicht zu entwickeln, weil sie es ermöglicht, für die Ermittlung der Ausgabeinformationen während der Reaktivierung, dieselben Verfahrensschritte zur Ermittlung einer aktuellen Ausgabeinformation wie im Normalbetriebs auszuführen.In a special variant of the method according to the invention, all catch-up information stored between failure and reactivation of the client device is transmitted from the sensor device to the client device. Although this variant is not optimized in view of the storage capacity requirement, it is particularly easy to develop because it enables the same process steps for determining the current output information as in normal operation for the determination of the output information during the reactivation.

Bei einer besonders vorteilhaften Variante empfängt die Sensoreinrichtung eine Bestätigungsnachricht nachdem ein Datensatz archiviert wurde - sei es direkt von der Speichereinrichtung oder indirekt von der Clienteinrichtung. Anhand der Bestätigungsnachricht, die dem betroffenen Referenzzeitpunkt zugeordnet ist, kann von der Sensoreinrichtung nachvollzogen werden, dass die Eingabeinformation vor dem Referenzzeitpunkt bereits verarbeitet wurde und in die bereits archivierte Zustandsinformation eingeflossen ist. Somit weiß die Sensoreinrichtung, dass die Einholinformation, die vor dem Referenzzeitpunkt gespeichert wurde, für künftige Reaktivierungen nicht mehr benötigt wird und somit der entsprechende Speicherplatz freigegeben werden kann. Durch geschickte Wahl einer Archivierungsfrequenz für den Datensatz können die Größe des Speichers für die Einholinformation und die damit verbundenen Kosten limitiert werden. Für den Fall, dass eine Bestätigung ausbleibt, kann die entsprechende Eingabeinformation als "nicht übertragen" eingestuft werden und kann dann nach Reaktivierung der Clienteinrichtung als Einholinformation (nochmal) übertragen werden.In a particularly advantageous variant, the sensor device receives a confirmation message after a data record has been archived-be it directly from the memory device or indirectly from the client device. On the basis of the confirmation message, which is assigned to the reference time concerned, it can be reconstructed by the sensor device that the input information was already processed before the reference time and has flowed into the already archived state information. Thus, the sensor device knows that the collection information, which was stored before the reference time, is no longer needed for future reactivations and thus the corresponding storage space can be released. By skillfully choosing an archive frequency for the record, the size of the memory for the collection information and the associated costs can be limited. In the event that an acknowledgment fails, the corresponding input information can be classified as "not transmitted" and can then (after) be transferred after reactivation of the client device as Einholinformation.

Bei einer anderen Variante behält die Sensoreinrichtung in einem Ringbuffer ihre gesamte Historie und überschreibt die ältesten Elemente, wenn kein Speicherplatz mehr zur Verfügung steht. Der Ringpuffer kann im Voraus dimensioniert werden, damit ein Ausfall der Clienteinrichtung den Ringpuffer nicht überfüllt. Somit kann ebenfalls der Speicherbedarf limitiert werden. In diesem Fall ist keine Bestätigungsnachricht notwendig.In another variant, the sensor device retains its entire history in a ring buffer and overwrites the oldest elements if no more storage space is available. The ring buffer can be pre-sized to allow a failure of the client device to ring buffer not crowded. Thus, the memory requirement can also be limited. In this case no confirmation message is necessary.

Vorzugsweise übermittelt die Clienteinrichtung nach Reaktivierung der Clienteinrichtung eine Neuanforderung an die Sensoreinrichtung, welche die Übertragung der Einholinformation auslöst. Die Übermittlung der Kontinuitätsinformation wird vorzugsweise ebenfalls durch die Neuanforderung ausgelöst.After reactivation of the client device, the client device preferably transmits a new request to the sensor device, which triggers the transmission of the collection information. The transmission of the continuity information is preferably also triggered by the new request.

Bei einer speziellen Variante des erfindungsgemäßen Verfahrens werden als Eingabeinformation Zählwerte ermitteln. Anhand der Zählwerte wird als Ausgangsinformation der Belegungszustand eines Gleisabschnitts ermittelt. Als Clienteinrichtung kann dann eine Achszählauswerteeinheit und als Sensoreinrichtung zwei Zählpunkte verwendet werden. Die Zählpunkte ermitteln also die Anzahl der Achsen, die die Zählpunkte in einer definierten Richtung seit Aktivierung der Sensoreinrichtung passiert haben (Eingabeinformation). Aus dieser Eingabeinformation kann die Achszähleinrichtung der Clienteinrichtung die Anzahl der Achsen ermitteln, die sich im Gleisabschnitt befinden, der von den Zählpunkten begrenzt wird (Zustandsinformation), woraus wiederum der Belegungszustand des entsprechenden Gleisabschnitts (Ausgabeinformation) abgeleitete werden kann.In a special variant of the method according to the invention, count values are determined as input information. Based on the counts, the occupancy state of a track section is determined as output information. As Clienteinrichtung can then be used Achszählauswerteeinheit and as a sensor device two points of delivery. The counting points thus determine the number of axes that have passed through the points of delivery in a defined direction since activation of the sensor device (input information). From this input information, the Achszähleinrichtung the client device can determine the number of axes that are in the track section, which is limited by the points of delivery (state information), from which in turn the occupancy state of the corresponding track section (output information) can be derived.

Die Speichereinrichtung ist in der Clienteinrichtung als nicht flüchtiger Speicher integriert.The memory device is integrated in the client device as non-volatile memory.

Bei einer anderen Variante des erfindungsgemäßen Verfahrens wird als Eingabeinformation Belegungszustand mindestens eines Gleisabschnitts ermittelt. Als Ausgabeinformation wird eine Zugposition ermittelt. Als Clienteinrichtung kann dann ein Stellwerk und als Sensoreinrichtung eine Achszählauswerteeinheit verwendet werden.In another variant of the method according to the invention occupancy condition of at least one track section is determined as input information. The output information is a train position. As a client device can then be used an interlocking and as a sensor device Achszählauswerteeinheit.

Bei einer weiteren Variante des erfindungsgemäßen Verfahrens wird als Eingabeinformation eine oder mehrere Zugposition(en) ermittelt. Als Ausgabeinformation wird der Status oder der Abbau einer Fahrstraße ermittelt. Als Sensoreinrichtung kann dann ein Stellwerk und als Clienteinrichtung eine Streckenzentrale verwendet werden. Als Fahrstraße bezeichnet man im Eisenbahnwesen die Verknüpfung von Fahrstraßenelementen (z.B. Gleisabschnitte und ihre Belegung, Kreuzungen, Bahnübergang, Weichen und Signale in passender Stellung) zu einem technisch gesicherten Fahrweg. Der Status einer Fahrstraße beschreibt u. A. welche Gleisabschnitte die Fahrstraße umfasst, und deren Zustände im Fahrstraßenzusammenhang: z.B. "noch zu befahren", "belegt", "befreit von Zügen aber noch als Flankenschutz zu sichern", "im Rahmen der Fahrstraße nicht mehr sicherungspflichtig".In a further variant of the method according to the invention, one or more train positions are determined as input information. As output information, the status or the dismantling of a route is determined. As a sensor device can then be a signal box and client equipment as a line center be used. In the railway industry, the term "driveway" refers to the linking of driveway elements (eg track sections and their occupancy, intersections, level crossing, points and signals in a suitable position) to a technically secured track. The status of a driveway describes u. A. which track sections the route includes, and their conditions in the route connection: eg "still to drive", "occupied", "free of trains but still as flank protection to secure", "in the context of the route no longer requiring insurance".

Bei einer weiteren Variante des erfindungsgemäßen Verfahrens wird als Eingabeinformation der Belegungszustand von einem oder mehreren Gleisabschnitte und als Ausgabeinformation der Status oder ein Abbau von mindestens einer Fahrstraße ermittelt. Als Sensoreinrichtung kann dann eine Achszählauswerteeinheit oder eine Gleisstromkreisauswerteeinheit und als Clienteinrichtung eine Streckenzentrale verwendet werden.In a further variant of the method according to the invention, the occupancy state of one or more track sections and, as output information, the status or a reduction of at least one route are determined as input information. An axle counting evaluation unit or a track circuit evaluation unit can then be used as the sensor device and a line center can be used as the client device.

Bei der Streckenzentrale handelt es sich bspw. um einen zu einem European Train Control Systems (ETCS) gehörenden Radio Block Center (RBC).The line center is, for example, a Radio Block Center (RBC) belonging to a European Train Control Systems (ETCS).

Die zuletzt beschriebenen Varianten, welche spezielle Anwendungen des allgemeinen beanspruchten erfindungsgemäßen Verfahrens beschreiben, können auch miteinander kombiniert werden, um unterschiedliche Ausgabeinformationen zu erhalten. In diesem Fall kann ein und dieselbe Vorrichtung (z.B. die Achszählauswerteeinheit) die Funktion einer Clienteinrichtung zur Ermittlung einer Ausgabeinformation (Belegungszustand) anhand von Eingabeinformationen (Zählwerten) innehaben, als auch die Funktion einer Sensoreinrichtung zur Ermittlung von Eingabeinformationen (Belegungszustand), woraus mittels einer anderen Clienteinrichtung (Stellwerk) eine andere Ausgabeinformation (Status der Fahrstraße) ermittelt werden kann.The last-described variants describing specific applications of the general claimed method of the invention may also be combined to obtain different output information. In this case, one and the same device (eg, the axle counting evaluation unit) may have the function of a client device for determining an output information (occupancy state) from input information (counts) as well as the function of a sensor device for determining input information (occupancy state), from which another one Clienteinrichtung (interlocking) another output information (status of the route) can be determined.

Bei einer anderen Variante des erfindungsgemäßen Verfahrens werden als Eingabeinformation Zustände (Schaltungszustand, Lagezustand, ...) von sicherheitsrelevanten Elementen einer Fahrstraße (z.B. der Zustand von einer oder mehreren Weichen oder Zustand von einem oder mehreren Signalen) ermittelt. Als Ausgabeinformation wird der Status oder ein Abbau von mindestens einer Fahrstraße ermittelt, z.B. ob die Fahrstraße freigegeben wird. Als Sensoreinrichtung kann dann eine Feldelementkontrolleinheit und als Clienteinrichtung eine Streckenzentrale verwendet werden. Dabei wird als Zustandsinformation die Kontinuität des Schaltungszustands des Elements innerhalb eines vorgegebenen Zeitraums (und somit die technische Sicherheit einer Fahrstraße) überwacht. Anhand dieser Information kann das Stellwerk die entsprechende Fahrstraße freigeben oder blockieren (Ausgabeinformation).In another variant of the method according to the invention, states (circuit state, position state, etc.) of safety-relevant elements of a route (eg the state of one or more points or state of one or more signals) are input information determined. As output information, the status or a reduction of at least one route is determined, for example, whether the route is released. As a sensor device can then be used a field element control unit and as a client device a line center. In this case, the continuity of the circuit state of the element within a predetermined period of time (and thus the technical safety of a route) is monitored as state information. Based on this information, the interlocking can enable or block the corresponding route (output information).

Bei einer weiteren Variante des erfindungsgemäßen Verfahrens werden als Eingabeinformation eine oder mehrere Zugpositionen oder Feldelementzustände, insbesondere von Weichen, und Fahstraßenzustände ermittelt. Als Ausgabeinformation wird Fahrterlaubnis (Movement Authority) ermittelt. Als Sensoreinrichtung kann dann ein Stellwerk oder eine Feldelementkontrolleinheit und eine Zugsteuerung verwendet werden. Als Clienteinrichtung kann eine Streckenzentrale verwendet werden.In a further variant of the method according to the invention, one or more train positions or field element states, in particular of points, and road statuses are determined as input information. The output information is determined by the Movement Authority. As a sensor device can then be used a signal box or a field element control unit and a train control. As a client device, a route center can be used.

Weitere Vorteile der Erfindung ergeben sich aus der Beschreibung und der Zeichnung. Die gezeigten und beschriebenen Ausführungsformen sind nicht als abschließende Aufzählung zu verstehen, sondern haben vielmehr beispielhaften Charakter für die Schilderung der Erfindung.Further advantages of the invention will become apparent from the description and the drawings. The embodiments shown and described are not to be understood as exhaustive enumeration, but rather have exemplary character for the description of the invention.

Detaillierte Beschreibung der Erfindung und ZeichnungDetailed description of the invention and drawing

Fig. 1aFig. 1a
zeigt den Aufbau einer für die Durchführung des erfindungsgemäßen Verfahrens geeigneten Vorrichtung;shows the structure of a device suitable for carrying out the method according to the invention;
Fig. 1bFig. 1b
zeigt den Aufbau einer für die Durchführung des erfindungsgemäßen Verfahrens geeigneten Vorrichtung mit einer kombinierten Sensor- und Clienteinrichtung;shows the structure of a device suitable for carrying out the method according to the invention with a combined sensor and client device;
Fig. 2Fig. 2
zeigt einen schematischen Ablauf einer bevorzugten Variante des erfindungsgemäßen Verfahrens.shows a schematic flow of a preferred variant of the method according to the invention.

Fig. 1a zeigt beispielhaft Sensoreinrichtungen 1 mit sechs Sensoreinheiten 11, welche durch eine Sensornetzwerk 2 mit einer Clienteinrichtung 3 verbunden sind. Die Sensoreinrichtung 1 detektiert Messwerte (Eingabeinformation Iein ) für einen Referenzzeitpunkt, aufgrund der in der Clienteinrichtung 3 eine Ausgabeinformation Iaus (und ev. eine Zustandsinformation Izust - s. Fig. 1b) für den Referenzzeitpunkt ermittelt werden. Die Ausgabeinformation Iaus kann dann von der Clienteinrichtung 3 weitergeleitet werden. Über ein Systemnetzwerk 4 wird die Ausgabeinformation Iaus und die übertragene Eingabeinformation Iein, aufgrund derer die Ausgabeinformation Iaus ermittelt wurde, (also zum selben Referenzzeitpunkt gehörende Eingangsinformationen Iein und Ausgabeinformationen Iaus) zu einer Speichereinrichtung 5 übertragen und dort als Datensatz DS gespeichert. Fig. 1a shows by way of example sensor devices 1 with six sensor units 11, which are connected by a sensor network 2 with a client device 3 . The sensor device 1 detected measured values (input information I a) for a reference point in time, due to the output information from I (and possibly status information I zust in the client device 3 -. S. Fig. 1b ) for the reference time. The output information I out can then be forwarded by the client device 3. A system network 4, the output information I and the transmitted input information I is a basis of which the output information I from it has been determined (ie belonging to the same reference time input information I and output information I off) transmitted to a storage device 5 and stored as a data record DS ,

In Fig. 1b ist eine Vorrichtung gezeigt, bei der die Speichereinrichtung in der Clienteinrichtung 3 integriert ist. Während bei der in Fig. 1a gezeigten Vorrichtung das Netzwerk ein Sensornetzwerk 2 und ein Systemnetzwerk 4 umfasst, kann bei der in Fig. 2 gezeigten Vorrichtung auf ein Systemnetzwerk 4 verzichtet werden. Damit die Daten in der Speichereinrichtung 5 bei einem Ausfall der Clienteinrichtung 3 nicht verloren gehen, muss die Speichereinrichtung einen permanenten (nicht flüchtigen) Speicher umfassen oder einen Speicher der eine Retentionszeit aufweist, die länger ausgelegt sein sollte wie die Dauer eines Ausfalls der Clienteinrichtung 3 zu erwarten ist.In Fig. 1b a device is shown in which the memory device is integrated in the client device 3. While at the in Fig. 1a In the case of the device shown in FIG. 2, the network comprises a sensor network 2 and a system network 4, in the case of the in Fig. 2 shown device on a system network 4 are omitted. In order for the data in the memory device 5 not to be lost in the event of a failure of the client device 3, the memory device must comprise a permanent (non-volatile) memory or a memory that has a retention time that should be designed longer than the duration of a failure of the client device 3 is expected.

Während eines Ausfalls der Clienteinrichtung 3 können keine Ausgabeinformationen Iaus berechnet werden. Um nach Reaktivierung der Clienteinrichtung eine aktuelle Ausgabeinformationen Iaus(TN+M) zu ermitteln, wird zu jedem Referenzzeitpunkt die von der Sensoreinrichtung 1 gemessene Eingabeinformation Iein bzw. eine Auswahl davon als Einholinformation Ihol in der Sensoreinrichtung 1 zumindest temporär gespeichert, so dass nach Reaktivierung die während des Ausfalls gespeicherten Einholinformationen Ihol(TN ... TN+M) an die Clienteinrichtung 3 übertragen werden können. Fig. 2 zeigt einen typischen Ablauf einer bevorzugten Variante des erfindungsgemäßen Verfahrens. Die Sensoreinrichtung 1 ermittelt zu einem Referenzzeitpunkt T1 (beispielsweise durch Messung) die Eingabeinformation Iein(T1), von der hier eine Auswahl als Einholinformation Ihol(T1) in der Sensoreinrichtung 1 gespeichert wird. Die Eingabeinformation Iein(T1) wird an die Clienteinrichtung 3 übermittelt. Die Clienteinrichtung 3 sendet nach Erhalt der Eingabeinformation Iein(T1) jeweils eine Bestätigungsnachricht (nicht gezeigt) an die Sensoreinrichtung 1, wodurch beispielsweise ein Löschen der entsprechenden in der Sensoreinrichtung 1 gespeicherten Einholinformationen Ihol(T1) autorisiert werden kann. Die Clienteinrichtung 3 ermittelt anhand der übermittelten Eingabeinformation Iein(T1) die Ausgabeinformation Iaus(T1) oder eine Zustandsinformation, aus der die Ausgabeinformation Iaus(T1) abgeleitet werden kann (nicht gezeigt), und übermittelt diese zusammen mit der entsprechenden Eingabeinformation Iein(T1) als Datensatz DS(T1) an die Speichereinrichtung 5. Dieselbe Prozedur erfolgt zu weiteren Referenzzeitpunkten (T2 ... TN). In dem in Fig. 2 gezeigten Szenario fällt die Clienteinrichtung 3 nach dem Referenzzeitpunkten (TN) aus und wird nach dem Zeitpunkt (TN+M) reaktiviert. Während des Ausfalls der Clienteinrichtung 3 werden durch die Sensoreinrichtung weiterhin Eingabeinformationen Iein (TN+1) ... Iein(TN+m) ermittelt und Einholinformationen Ihol(TN+1) ... Ihol(TN+M) in der Sensoreinrichtung 3 gespeichert. Eine Übermittlung der Einholinformationen Ihol(TN+1) ... Ihol(TN+M) an die Clienteinrichtung 3 ist jedoch während des Ausfalls nicht möglich. Nach Reaktivierung der Clienteinrichtung 3 kann die Clienteinrichtung 3 eine Neuanforderung NA an die Sensoreinrichtungen 1 versenden, was eine Übermittlung der Einholinformationen Ihol(TN+1) ...Ihol(TN+M) (oder falls dies ausreichend ist, nur einen Teil davon, z.B. die aktuellste Einholinformation Ihol(TN+M)) auslöst. Die Einholinformationen Ihol(TN+1) ... Ihol(TN+M) werden in der gezeigten Verfahrensvariante zusammen mit einer Kontinuitätsinformation KI übermittelt, um sicherzustellen, dass die Sensoreinrichtungen 1 während des Ausfalls der Clienteinrichtung 3 selbst nicht ausgefallen sind. Gleichzeitig erfolgt eine Übermittlungsaufforderung ÜI des zuletzt in der Speichereinrichtung 5 gespeicherten Datensatzes DS(TN). Anhand des Datensatzes DS(TN) und der übermittelten Einholinformation Ihol(TN+1) ... Ihol(TN+M) kann eine aktuelle Ausgabeinformation Iaus(TN+M) ermittelt werden.During a failure of the client device 3, no output information I out can be calculated. In order to determine a current output information I out (T N + M ) after reactivation of the client device, the input information measured by the sensor device 1 is acquired at each reference time I a, or a selection thereof stored as Einholinformation I hol in the sensor device 1, at least temporarily, so that after reactivation the stored during the failure Einholinformationen I hol (T N ... T N + M) may be transmitted to the client device. 3 Fig. 2 shows a typical sequence of a preferred variant of the method according to the invention. The sensor device 1 is determined to be a reference time point T 1 (for example by measurement) the input information I a (T 1), is stored by the a selection as Einholinformation I hol (T 1) in the sensor device. 1 The input information I a (T 1) is transmitted to the client device. 3 The client device 3 sends after receipt of the input information I a (T 1) each include a confirmation message (not shown) on the sensor device 1, thereby I hol (T 1) can be authorized for example, deleting the corresponding data stored in the sensor device 1 Einholinformationen. The client device 3 is determined based on the transmitted input information I a (T 1) the output information I from (T 1) or state information from the output information can be derived from (T 1) I (not shown), and transmits these together with the is carried out corresponding input information I a (T 1) as a data set DS (T 1) to the memory device 5. the same procedure to the other reference points (T 2 ... T N). In the in Fig. 2 In the scenario shown, the client device 3 fails after the reference time (T N ) and is reactivated after the time (T N + M ). During the failure of the client device 3, a (T + N m) are determined by the sensor means further input information I a (T N + 1) ... I determined and Einholinformationen I hol (T N + 1) ... I hol (T N + M ) stored in the sensor device 3. However, a transmission of Einholinformationen I hol (T N + 1) ... I hol (T N + M) to the client device 3 is not possible during the outage. After reactivation of the client device 3, the client device 3 can send a new request NA to the sensor devices 1, resulting in a transmission of the fetch information I get (T N + 1 ) ... I get (T N + M ) (or if this is sufficient, only a part of it, eg the most recent Einholinformation I get (T N + M )) triggers. The inference information I hol (T N + 1 )... I hol (T N + M ) is transmitted in the process variant shown together with a continuity information KI to ensure that the sensor devices 1 have not failed during the failure of the client device 3 itself. At the same time, a transmission request ÜI of the last data record DS (T N ) stored in the memory device 5 takes place. On the basis of the data set DS (T N ) and the transferred inference information I get (T N + 1 )... I hol (T N + M ), a current output information I out (T N + M ) can be determined.

Zur Bestimmung eines Belegungszustandes eines Gleisabschnitts als Ausgabeinformation können als Sensoreinrichtung Zählpunkte und als Clienteinrichtung eine Achszählauswerteeinheit verwendet werden. Die Zählpunkte ermitteln Zählwerte als Eingabeinformation (mittels derer auf die Anzahl der Achsen, welche den Zählpunkt in eine Richtung passiert haben, abzüglich der Anzahl der Achsen, die den Zählpunkt in die andere Richtung passiert haben, geschlossen werden kann), aus denen die Achszählauswerteeinheit Belegungszustände des Gleisabschnitts, welcher von den Zählpunkten begrenzt wird, ermittelt. Nach Ausfall der Achszählauswerteeinheit kann der aktuelle Belegungszustand durch den zuletzt in der Speichereinrichtung gespeicherten Datensatz DS(TN) und den aktuellen (also zuletzt ermittelten) Zählerwerten Iein(TN+M) der Zählpunkte erfolgen.To determine an occupation state of a track section as output information, counting points can be used as sensor device and an axle counting evaluation unit can be used as client device. The counting points determine counting values as input information (by means of which the number of axes which have passed the counting point in one direction minus the number of axes which have passed the counting point in the other direction) can be deduced, from which the axle counting evaluation unit occupancy states of the track section, which is limited by the points of delivery, determined. After failure of the Achszählauswerteeinheit the current occupancy state can be done by the last stored in the memory device record DS (T N ) and the current (ie last determined) counter values I a (T N + M ) of the points of delivery.

Zur Bestimmung eines Status einer Fahrstraße als Ausgabeinformation können als Sensoreinrichtung Achszählauswerteeinheiten eines Achszählsystems und als Clienteinrichtung ein Stellwerk verwendet werden, wobei die Achszählauswerteeinheiten Belegzustände von Gleisabschnitten als Eingabeinformation ermitteln, aus denen das Stellwerk den Status einer Fahrstraße (z.B. welche Gleisabschnitte als Fahrstraße freigegeben werden können) ermittelt. Nach Ausfall des Stellwerks kann der aktuelle Status der Fahrstraße durch den zuletzt in der Speichereinrichtung gespeicherten Datensatz DS(TN) und den während des Ausfalls des Stellwerks ermittelten Belegungszuständen Iein(TN+1) ... Iein(TN+M) erfolgen. Bei dieser Variante ist es vorteilhaft, Züge, welche die entsprechenden Gleisabschnitte passieren, zu verfolgen. Dazu ist es notwendig, alle während des Ausfalls des Stellwerks gespeicherten Einholinformationen (ermittelte Belegungszustände) an das Stellwerk zu übertragen.In order to determine a status of a route as output information, axle counting evaluation units of an axle counting system and client equipment can be used as a sensor device, the axle counting evaluation units determining slip conditions of track sections as input information from which the interlocking the status of a route (eg which track sections can be released as a route) determined. After failure of the interlocking of the current status of the traveling road can be obtained by the most recently stored in said storage means data set DS (T N) and the detected during the failure of the signal box assignment states I a (T N + 1) ... I a (T N + M ) respectively. In this variant, it is advantageous to track trains that pass through the corresponding track sections. For this purpose, it is necessary to transfer all information collected during the failure of the interlocking (determined occupancy states) to the interlocking.

Zur Bestimmung von Zugpositionen als Ausgabeinformation können als Sensoreinrichtung Stellwerke und als Clienteinrichtung eine Streckenzentrale verwendet werden, wobei die Stellwerke den Status von Fahrstraßen und/oder von Belegungsabschnitten und/oder von Weichen ermitteln, aus denen die Streckenzentrale Zugpositionen ermittelt. Nach Ausfall der Streckenzentrale kann die aktuelle Zugposition durch den zuletzt in der Speichereinrichtung gespeicherten Datensatz DS(TN) und den während des Ausfalls der Streckenzentrale ermittelten Status von Fahrstraßen und/oder von Belegungsabschnitten und/oder von Weichen erfolgen. Dabei ist es zwingend notwendig, dass alle während des Ausfalls des Stellwerks gespeicherten Einholinformationen Iein(TN+1) ... Iein(TN+M) (ermittelten Status) an die Streckenzentrale übertragen werden.In order to determine train positions as output information, it is possible to use interlockings as the sensor device and a line center as client device, the interlockings determining the status of routes and / or occupancy sections and / or switches from which the line center determines train positions. After failure of the line center, the current train position can be done by the last stored in the memory device record DS (T N ) and the determined during the failure of the line center status of routes and / or occupancy sections and / or switches. It is imperative that all Einholinformationen I stored during the failure of the interlocking a (T N + 1) ... I a (T N + M) (status determined) are transmitted to the centralized track control station.

Zur Ausgabe einer Freigabe oder Blockierung einer Fahrstraße als Ausgabeinformation können als Sensoreinrichtung Signalüberwachungseinheiten und als Clienteinrichtung ein Stellwerk verwendet werden, wobei die Signalüberwachungseinheiten Schaltungszustände des Bahnsignals ermitteln, aus denen das Stellwerk die Kontinuität des Schaltungszustands als Zustandsinformation ermittelt, was als Kriterium für eine Freigabe oder eine Blockade der Fahrstraße dienen kann. Nach Ausfall des Stellwerks kann die Kontinuität des aktuellen Schaltungszustands durch den zuletzt in der Speichereinrichtung gespeicherten Datensatz DS(TN) und den während des Ausfalls des Stellwerks ermittelten Schaltungszuständen Iein(TN+1) ... Iein(TN+M) innerhalb des vorgegebenen Zeitraums erfolgen. Dabei ist es zwingend notwendig, dass alle während des Ausfalls des Stellwerks gespeicherten als Einholinformationen Iein(TN+1) ... Iein(TN+M) (ermittelte Schaltungszustände) an die Streckenzentrale übertragen werden, sofern die in den vorgegebenen Zeitraum fallen.To output a release or block a route as output information can be used as a sensor device signal monitoring units and as a client device interlocking, the signal monitoring units determine circuit states of the train signal from which the interlocking determines the continuity of the circuit state as state information, which is a criterion for a release or a Blockade of the driveway can serve. After failure of the signal box, the continuity of the current circuit state can be obtained by the most recently stored in said storage means data set DS (T N) and the detected during the failure of the interlocking circuit states I a (T N + 1) ... I a (T N + M ) within the given period. It is imperative that all stored during the failure of the interlocking as Einholinformationen I a (T N + 1) ... I a (T N + M) (determined switching states) are transmitted to the centralized track control station, if the predetermined in the Fall period.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Sensoreinrichtungsensor device
22
SensornetzwerkSensor network
33
Clienteinrichtungclient device
44
SystemnetzwerkSystem Network
55
Speichereinrichtungmemory device
DSDS
Datensatzrecord
Iaus I off
Ausgabeinformationenissue information
Iein I am one
Eingabeinformationeninput information
Ihol I'll get it
EinholinformationEinholinformation
Izust I agree
Zustandsinformationstate information
KIKI
Kontinuitätsinformationcontinuity information
NAN / A
NeuaufforderungNeuaufforderung
T1...TN T 1 ... T N
ReferenzzeitpunkteReference times
TAusfall T failure
Zeitpunkt des Ausfalls der ClienteinrichtungTime of failure of the client device
TReaktivierung T reactivation
ReaktivierungszeitpunktReactivation date
ÜAProb
Übermittlungsaufforderungtransfer request

Claims (13)

  1. Method for reliably determining current output information (Iout(TN+M)) in the field of railway technology after failure of a client device (3) which is connected to at least one sensor device (1) via a network and has an evaluation unit, the method comprising the following method steps:
    a) determining input information (Iin) at a reference time (T1...TN) by means of the sensor device (1), wherein recovery information (Ihol) is stored in the sensor device (1), which information comprises all or a selection of the input information (Iin);
    b) transmitting the determined input information (Iin) from the sensor device (1) to the evaluation unit of the client device (3);
    c) determining output information (Iaus), or state information that is necessary for deriving the output information (Iaus), by processing the transmitted input information (Iin) by means of the evaluation unit of the client device (3);
    d) storing, in a memory device (5) outside of the sensor device, a data set (DS(T1)...DS(TN)) comprising the transmitted input information (Iin) and the output information (Iaus) or state information determined therefrom;
    wherein the method steps a) to d) are repeated for different reference times T1 ... TN, and wherein a continuity test is carried out with respect to continuous operation of the sensor device (1), wherein, after failure of the client device at a failure time (Tfailure). and reactivation of the client device at a reactivation time (Treactivation), the following method steps are carried out:
    e) transmitting the most recently stored data set (DS(TN)) from the memory device (5) to the evaluation unit of the client device (3) and
    f) transmitting, to the evaluation unit of the client device (3), the recovery information (Ihol) which was stored in the time period between the reference time (T1...TN) of the data set (DS(TN) stored most recently in the memory device and the reactivation time (Treactivation) of the sensor device; and
    g) determining, by means of the evaluation unit of the client device (3), the current output information (Iaus(N+M)) based on the most recently stored data set (DS(TN)) and the transmitted recovery information (Ihol),
    wherein step f) and therefore step g) are only carried out if the continuity check reveals that the sensor device was available between the reference time (T1...TN) of the data set (DS (TN) stored most recently in the memory device and the reactivation time (Treactivation).
  2. Method according to claim 1, characterized in that the data set is transmitted from the client device (3) to the storage device (5) for storage, via the network.
  3. Method according to claim 1, characterized in that the data set is transmitted to the memory device for storage within the client device.
  4. Method according to any of the preceding claims, characterized in that the sensor device receives a confirmation message after a data set has been archived.
  5. Method according to any of the preceding claims, characterized in that continuity information (KI) is determined and transmitted together with the recovery information (Ihol), which continuity information shows whether the sensor device (1) was continuously in operation during the failure of the client device (3).
  6. Method according to any of the preceding claims, characterized in that, after reactivation, the client device (3) transmits a new request (NA) to the sensor device (1) that triggers the transmission of the recovery information (Ihol).
  7. Method according to any of claims 1 to 6, characterized in that count values are determined as input information (Iin), and in that the occupancy state of a track section is determined as output information (Iaus) based on the count values.
  8. Method according to any of claims 1 to 6, characterized in that the occupancy state of at least one track section is determined as input information (Iin), and in that a train position is determined as output information (Iaus).
  9. Method according to any of claims 1 to 6, characterized in that one or more train positions are determined as input information (Iin), and in that the status or removal of at least one route is determined as output information (Iaus).
  10. Method according to any of claims 1 to 6, characterized in that the occupancy state of one or a plurality of track section is determined as input information (Iin), and in that the status or removal of at least one route is determined as output information (Iaus).
  11. Method according to any of claims 1 to 6, characterized in that the state of one or more switches is determined as input information (Iin), and in that the status or removal of at least one route is determined as output information (Iaus).
  12. Method according to any of claims 1 to 6, characterized in that the state of one or more signals is determined as input information (Iin), and in that the status or removal of at least one route is determined as output information (Iaus).
  13. Method according to any of claims 1 to 6, characterized in that one or more train positions, or one or more states of routes or of field elements, in particular of switches, are determined as input information (Iin), and in that a movement authority is determined as output information (Iaus).
EP17162269.9A 2017-03-22 2017-03-22 Method for reliably determining actual output information in the field of railway technology Active EP3378724B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PT171622699T PT3378724T (en) 2017-03-22 2017-03-22 Method for secure determining of current dispensing information in the area of rail technology
EP17162269.9A EP3378724B1 (en) 2017-03-22 2017-03-22 Method for reliably determining actual output information in the field of railway technology
ES17162269T ES2767065T3 (en) 2017-03-22 2017-03-22 Procedure for the reliable determination of current output information in the field of railway technology
PL17162269T PL3378724T3 (en) 2017-03-22 2017-03-22 Method for reliably determining actual output information in the field of railway technology
DK17162269.9T DK3378724T3 (en) 2017-03-22 2017-03-22 Procedure for securely determining current readout information in the field of railway engineering

Applications Claiming Priority (1)

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EP17162269.9A EP3378724B1 (en) 2017-03-22 2017-03-22 Method for reliably determining actual output information in the field of railway technology

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AT400944B (en) * 1993-06-30 1996-04-25 Friedmann Kg Alex DEVICE FOR CONTROLLING AND CONTROLLING ELECTRICAL, ELECTRONIC OR ELECTROMECHANICAL COMPONENTS IN RAIL VEHICLES
DE50301156D1 (en) 2003-07-18 2005-10-13 Alcatel Sa Method and metering point for determining the occupancy state of a track section
DE102007061807A1 (en) * 2007-12-19 2009-07-09 Db International Gmbh Element controlling method for control and safety system, involves characterizing condition of clients actually determined by sensors at exterior system of clients by monitoring-transaction messages
CN101890971B (en) * 2009-05-18 2013-01-23 华为技术有限公司 Method, equipment and system for controlling train operation

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EP3378724A1 (en) 2018-09-26
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ES2767065T3 (en) 2020-06-16
PL3378724T3 (en) 2020-04-30

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