EP0057632B1 - Control method for a train with automatic operation - Google Patents
Control method for a train with automatic operation Download PDFInfo
- Publication number
- EP0057632B1 EP0057632B1 EP82400128A EP82400128A EP0057632B1 EP 0057632 B1 EP0057632 B1 EP 0057632B1 EP 82400128 A EP82400128 A EP 82400128A EP 82400128 A EP82400128 A EP 82400128A EP 0057632 B1 EP0057632 B1 EP 0057632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- train
- loop
- receiver
- rails
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/16—Continuous control along the route
- B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
- B61L3/221—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using track circuits
Definitions
- the present invention relates to a method of controlling a railway vehicle running in automatic driving on a railway track shared in transmission zones, possibly independent of the cantons defined for the track circuits (at least, when these are of the “ without joint ”).
- the receiver, on board the rail vehicle is connected to a voltage variation detector allowing it to precisely detect its passage over the transverse elements of the conductive turn disposed between the two rows of rails; in addition, a transmitter tuned to a second frequency is also on board and is arranged so as to induce a current in the rows of rails and, consequently, in the conductive turn so as to cause variations in the voltage induced in the turn , two other resonant circuits tuned to this second frequency being connected between the two rows of rails together with the first two.
- the variations in the alternating supply voltage of the turn further constitute negative redundant information of the presence of a vehicle on the transmission zone.
- This method has the particular advantage of using existing devices and superimposed on conventional track circuits.
- it makes it possible to ensure, on board the vehicle, the necessary corrections to the odometers whose accuracy is required in automatic piloting, and to deliver, to the central control station, information making it possible to locate any vehicle at any time on one lane, with redundant information, which is very important if we want to reduce the distance between each vehicle.
- Figures 1 and 2 schematically represent a device implementing the method according to the invention, device respectively installed on the ground and on board the railway vehicle.
- a turn 6 is arranged between the rows of rails 1 and 2 in the immediate vicinity of the downstream shunt.
- This coil 6 is supplied by a transmitter circuit comprising a generator 7 of alternating signals serving as a carrier wave for the information to be transmitted, connected to a modulator 8.
- the modulated signals are applied to the coil 6 via a transformer 9 acting as an impedance adapter and circuit breaker.
- the turn 6 therefore induces in the rails, an alternating signal which will be received on board the rail vehicle 16 entering the transmission zone, by means of the receiver part of the two transceivers 10 and 11 with which it is provided downstream of its front wheels 12, 13 forming a shunt via the axle 14.
- the use of two transceivers is advantageous to allow operation in differential mode when receiving, therefore safer, edge.
- the transmitting part of the on-board transceivers 10, 11 continuously transmits an alternating signal which is induced in the rails 1, 2 and, therefore, picked up by the coil 6.
- An alternating signal generator 15 is onboard at this effect.
- the operation of the control device is as follows:
- a controlled limitation of the current delivered by the generator to the ground 7 allows, in addition to the protection of the equipment, to drop the supply voltage of the loop when approaching the rail vehicle.
- the combination of these two positive and negative vehicle presence information allows a device on the ground to possibly interrupt the transmission in the transmission block, and to transmit in the downstream block while ensuring the continuity of the transmission for the on-board receivers.
- the on-board receivers When the head of the rail vehicle 16 passes over each of the transverse parts of the turn 6, the on-board receivers are able to detect them with precision, and allow the rail vehicle to correct its location. Conversely, the passage of the on-board transmitters above the turn allows the device on the ground to accurately detect the position of the rail vehicle.
- This logical information is transmitted respectively to the ground to a central control station 20, not shown, and, on board, to a local piloting unit 21. With such a method, the information transmitted over a determined area is only valid for the train. traveling in this area since the very presence of the train prevents the signals from spreading behind it. In fact, because there is no possible longitudinal crosstalk, it is possible to use only one frequency on the ground to supply the different turns 6 of the same railroad track.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Description
La présente invention concerne un procédé de contrôle d'un véhicule ferroviaire circulant en conduite automatique sur une voie ferrée partagée en zones de transmission, éventuellement indépendantes des cantons définis pour les circuits de voie (tout au moins, lorsque ceux-ci sont du type « sans joint »).The present invention relates to a method of controlling a railway vehicle running in automatic driving on a railway track shared in transmission zones, possibly independent of the cantons defined for the track circuits (at least, when these are of the “ without joint ”).
On connaît le dispositif de transmission d'informations par les rails d'une voie à destination de véhicules ferroviaires circulant sur cette voie, décrit dans le brevet français 2431 409. Ce dispositif comporte :
- - sur la voie, pour chaque zone de transmission d'informations :
- un générateur de signaux alternatifs à une fréquence déterminée qui constitue la fréquence porteuse des informations à transmettre auxvéhi- cules, cette fréquence étant choisie à l'extérieur des bandes de fréquences utilisées dans les circuits de voie,
- un modulateur de ces signaux,
- un organe de commande du modulateur de manière que ces signaux soient modulés en fonction des informations à transmettre,
- au moins une spire conductrice isolée disposée en forme de cadre entre les deux files de rails, près de l'extrémité aval de la zone de transmission d'informations,
- un transformateur adaptateur d'impédance et de séparation de circuits dont le primaire reçoit les signaux modulés et dont le secondaire est relié aux bornes de la spire en forme de cadre,
- deux circuits résonnants, accordés sur la fréquence porteuse, branchés entre les deux files de rails, l'un à l'extrémité aval et l'autre à l'extrémité amont de la zone de transmission d'informations, - à bord de chaque véhicule, des moyens de réception accordés sur la fréquence porteuse des informations. Le procédé de contrôle selon l'invention, met en oeuvre un tel dispositif qui, outre ses fonctions de transmission d'informations, présente l'avantage de permettre la détection d'un véhicule circulant dans une zone de transmission déterminée par l'adjonction d'un nombre limité de composants.
- - on the track, for each information transmission zone:
- an alternating signal generator at a determined frequency which constitutes the carrier frequency of the information to be transmitted to the vehicles, this frequency being chosen outside the frequency bands used in the track circuits,
- a modulator of these signals,
- a modulator control unit so that these signals are modulated as a function of the information to be transmitted,
- at least one insulated conductive turn arranged in the form of a frame between the two rows of rails, near the downstream end of the information transmission zone,
- a transformer for impedance and separation of circuits whose primary receives the modulated signals and whose secondary is connected to the terminals of the turn in the form of a frame,
- two resonant circuits, tuned to the carrier frequency, connected between the two rows of rails, one at the downstream end and the other at the upstream end of the information transmission area, - on board each vehicle , means of reception granted on the carrier frequency of the information. The control method according to the invention uses such a device which, in addition to its information transmission functions, has the advantage of allowing the detection of a vehicle traveling in a transmission zone determined by the addition of 'a limited number of components.
Selon l'invention, le récepteur, embarqué à bord du véhicule ferroviaire est connecté à un détecteur de variation de tension lui permettant de détecter précisément son passage au-dessus des éléments transversaux de la spire conductrice disposée entre les deux files de rails ; en plus, un émetteur accordé sur une seconde fréquence est également embarqué et, est disposé de manière à induire un courant dans les files de rails et, par suite, dans la spire conductrice de manière à entraîner des variations de la tension induite dans la spire, deux autres circuits résonnants accordés sur cette seconde fréquence étant branchés entre les deux files de rails ensemble avec les deux premiers. Les variations de la tension alternative d'alimentation de la spire constituent en outre une information redondante négative de la présence d'un véhicule sur la zone de transmission.According to the invention, the receiver, on board the rail vehicle is connected to a voltage variation detector allowing it to precisely detect its passage over the transverse elements of the conductive turn disposed between the two rows of rails; in addition, a transmitter tuned to a second frequency is also on board and is arranged so as to induce a current in the rows of rails and, consequently, in the conductive turn so as to cause variations in the voltage induced in the turn , two other resonant circuits tuned to this second frequency being connected between the two rows of rails together with the first two. The variations in the alternating supply voltage of the turn further constitute negative redundant information of the presence of a vehicle on the transmission zone.
Ce procédé présente notamment l'avantage d'utiliser des dispositifs existants et se superposant aux circuits de voie conventionnels. En outre, il permet d'assurer, à bord du véhicule, les corrections nécessaires des compteurs kilométriques dont la précision est requise en pilotage automatique, et de délivrer, au poste central de commande, des informations permettant de localiser tout véhicule à tout instant sur une voie, avec redondance des informations, ce qui est très important si l'on veut réduire la distance entre chaque véhicule. L'invention sera mieux comprise et d'autres buts, avantages et caractéristiques de celle-ci apparaîtront plus clairement à la lecture de la description qui suit d'un mode de réalisation donné à titre non limitatif et à laquelle une planche de dessin est annexée.This method has the particular advantage of using existing devices and superimposed on conventional track circuits. In addition, it makes it possible to ensure, on board the vehicle, the necessary corrections to the odometers whose accuracy is required in automatic piloting, and to deliver, to the central control station, information making it possible to locate any vehicle at any time on one lane, with redundant information, which is very important if we want to reduce the distance between each vehicle. The invention will be better understood and other objects, advantages and characteristics thereof will appear more clearly on reading the following description of an embodiment given without limitation and to which a drawing board is attached .
Les figures 1 et 2 représentent schématiquement un dispositif mettant en oeuvre le procédé conforme à l'invention, dispositif respectivement installé au sol et embarqué dans le véhicule ferroviaire.Figures 1 and 2 schematically represent a device implementing the method according to the invention, device respectively installed on the ground and on board the railway vehicle.
En référence maintenant aux figures, le sens de cheminement des véhicules ferroviaires sur les rails 1 et 2 de la voie ferrée est indiqué par la flèche 3.Referring now to the figures, the direction of travel of the railway vehicles on the
Indépendamment des cantons définis pour les circuits de voie utilisés notamment pour le pilotage manuel des véhicules ferroviaires, si les circuits de voie sont du type « sans joint ou à l'intérieur des cantons si les circuits de voie sont du type « à joints », des zones de transmission d'informations sont définies par une succession de shunts 4, 5 constitués par des circuits résonnants conventionnels, accordés sur les fréquences utilisées pour la transmission et le contrôle, fréquences qui seront choisies hors des bandes de fréquences utilisées pour les circuits de voie.Independently of the cantons defined for the track circuits used in particular for the manual control of railway vehicles, if the track circuits are of the “jointless” type or inside the cantons if the track circuits are of the “jointed” type, information transmission zones are defined by a succession of
Une spire 6 est disposée entre les files de rails 1 et 2 à proximité immédiate du shunt aval. Cette spire 6 est alimentée par un circuit émetteur comportant un générateur 7 de signaux alternatifs servant d'onde porteuse aux informations à transmettre, connecté à un modulateur 8. Les signaux modulés sont appliqués à la spire 6 par l'intermédiaire d'un transformateur 9 jouant le rôle d'adaptateur d'impédance et de séparateur de circuits.A
La spire 6 induit donc dans les rails, un signal alternatif qui va être capté à bord du véhicule ferroviaire 16 entrant dans la zone de transmission, au moyen de la partie récepteur des deux émetteurs-récepteurs 10 et 11 dont il est pourvu en aval de ses roues avant 12, 13 formant shunt par l'intermédiaire de l'essieu 14. L'utilisation de deux émetteurs-récepteurs est avantageuse pour permettre un fonctionnement en mode différentiel en réception, donc plus sûr, des appareils de bord. Inversement, la partie émettrice des émetteurs-récepteurs 10, 11 embarqués, émet en permanence un signal alternatif qui est induit dans les rails 1, 2 et, de ce fait, capté par la spire 6. Un générateur 15 de signal alternatif est embarqué à cet effet. Le fonctionnement du dispositif de contrôle est le suivant :The
Lorsqu'un véhicule ferroviaire 16 entre dans la zone de transmission représentée, c'est-à-dire lorsque son premier essieu a dépassé les shunts amont 5, 4 de la zone, son approche est détectée, d'une part positivement grâce au signal émis par la partie émettrice des émetteurs-récepteurs 10, 11 embarqués à bord du véhicule 16. Ce signal est induit dans la spire 6 et, est détecté et amplifié par l'amplificateur 18 fonctionnant en logique positive.When a
D'autre part, une limitation contrôlée du courant délivré par le générateur au sol 7, permet, outre la protection de l'appareillage, de faire chuter la tension d'alimentation de la boucle à l'approche du véhicule ferroviaire. Un détecteur 17 connecté entre les files de rails au droit de la spire, utilise avantageusement cette propriété pour délivrer une information négative de présence de véhicule.On the other hand, a controlled limitation of the current delivered by the generator to the ground 7, allows, in addition to the protection of the equipment, to drop the supply voltage of the loop when approaching the rail vehicle. A
La combinaison de ces deux informations positives et négatives de présence de véhicule permet à un dispositif au sol d'interrompre éventuellement l'émission dans le canton de transmission, et d'émettre dans le canton aval tout en assurant la continuité de la transmission pour les récepteurs embarqués.The combination of these two positive and negative vehicle presence information allows a device on the ground to possibly interrupt the transmission in the transmission block, and to transmit in the downstream block while ensuring the continuity of the transmission for the on-board receivers.
Lorsque la tête du véhicule ferroviaire 16 passe au-dessus de chacune des parties transversales de la spire 6, les récepteurs embarqués sont à même de les détecter avec précision, et de permettre au véhicule ferroviaire de corriger sa localisation. Inversement, le passage des émetteurs embarqués au-dessus de la spire permet au dispositif au sol, de détecter avec précision là position du véhicule ferroviaire. Ces informations logiques sont transmises respectivement au sol à un poste central de contrôle 20 non représenté, et, à bord, à une unité locale de pilotage 21. Avec un tel procédé, les informations émises sur une zone déterminée ne sont valables que pour le train circulant sur cette zone puisque la présence même du train empêche les signaux de se propager derrière lui. En effet, du fait qu'il n'y a pas de diaphonie longitudinale possible, on peut n'utiliser au sol qu'une seule fréquence pour alimenter les différentes spires 6 d'une même voie ferrée. Dans le cadre de la redondance des informations de contrôle, il est avantageux en outre de prévoir, en queue de train, un émetteur complémentaire fonctionnant en permanence, mais dont l'émission ne sera perçue sous la forme d'une tension induite dans la spire, que pendant le passage de la queue dudit véhicule au-dessus de la spire. Cette information, venant s'ajouter aux diverses informations telles que la détection de l'approche dans la zone aval suivante, par les deux moyens précédemment décrits, fournira notamment une redondance du signal de libération de la zone de transmission.When the head of the
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8101671A FR2498546A1 (en) | 1981-01-29 | 1981-01-29 | METHOD FOR CONTROLLING A RAILWAY VEHICLE IN AUTOMATIC DRIVING |
FR8101671 | 1981-01-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0057632A2 EP0057632A2 (en) | 1982-08-11 |
EP0057632A3 EP0057632A3 (en) | 1982-08-25 |
EP0057632B1 true EP0057632B1 (en) | 1985-08-28 |
Family
ID=9254627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82400128A Expired EP0057632B1 (en) | 1981-01-29 | 1982-01-25 | Control method for a train with automatic operation |
Country Status (8)
Country | Link |
---|---|
US (1) | US4487385A (en) |
EP (1) | EP0057632B1 (en) |
AU (1) | AU549842B2 (en) |
BR (1) | BR8200435A (en) |
CA (1) | CA1179755A (en) |
DE (1) | DE3265690D1 (en) |
FR (1) | FR2498546A1 (en) |
ZA (1) | ZA82550B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU570242B2 (en) * | 1983-03-14 | 1988-03-10 | Adcount Limited | Method for increasing the number of signals which may be transmitted from a ground station to a rail vehicle |
GB8402359D0 (en) * | 1984-01-30 | 1984-02-29 | Westinghouse Brake & Signal | Track circuit |
FR2568209B1 (en) * | 1984-07-27 | 1988-07-08 | Signaux Entr Electriques | PERFECTED TRACK CIRCUIT FOR ALTERNATIVE CURRENT ELECTRIC RAILWAYS |
US4878638A (en) * | 1987-01-12 | 1989-11-07 | General Signal Corporation | Combination frequency loop coupling for railway track signalling |
GB9105613D0 (en) * | 1991-03-16 | 1991-05-01 | Gjd Mfg Ltd | Signalling system and method |
US5330134A (en) * | 1992-05-13 | 1994-07-19 | Union Switch & Signal Inc. | Railway cab signal |
US5417388A (en) * | 1993-07-15 | 1995-05-23 | Stillwell; William R. | Train detection circuit |
DE4335380C1 (en) * | 1993-10-16 | 1995-03-30 | Doehler Peter Dipl Kaufm | Circuit for the occupied indication of track sections in a model railway |
FR2712863B1 (en) * | 1993-11-23 | 1996-01-05 | Gec Alsthom Transport Sa | Initialization tag for a stationary vehicle. |
US5501417A (en) * | 1994-07-15 | 1996-03-26 | Union Switch & Signal Inc. | Noise cancellation in railway cab signal |
US5622339A (en) * | 1994-07-15 | 1997-04-22 | Union Switch & Signal Inc. | Plate antenna method using integral noise mitigation for railway cab signal |
US5501416A (en) * | 1994-07-15 | 1996-03-26 | Union Switch & Signal Inc. | Method and apparatus for inductively receiving cab signaling on board a railway vehicle |
US5752677A (en) * | 1996-11-12 | 1998-05-19 | Richley; Edward Anthony | Block occupancy detector for model railroads |
JPH10269493A (en) * | 1997-03-28 | 1998-10-09 | Matsushita Electric Ind Co Ltd | Mobile body supporting system |
US6439513B1 (en) | 2001-09-18 | 2002-08-27 | Union Switch & Signal, Inc. | Passive detection system for levitated vehicle or levitated vehicle system |
US7841556B2 (en) * | 2006-11-21 | 2010-11-30 | Wausau Paper Towel & Tissue, Llc | System and method for dispensing paper towel |
US9162691B2 (en) * | 2012-04-27 | 2015-10-20 | Transportation Technology Center, Inc. | System and method for detecting broken rail and occupied track from a railway vehicle |
US9550505B2 (en) | 2014-04-28 | 2017-01-24 | General Electric Company | System and method for shunting detection |
CN107820053A (en) * | 2017-11-10 | 2018-03-20 | 北京远光瑞为软件技术有限公司 | A kind of railway intelligence shunting service system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US918537A (en) * | 1908-03-23 | 1909-04-20 | Olaf Halvorsen | Train-position indicator. |
US3333096A (en) * | 1964-04-03 | 1967-07-25 | Marquardt Corp | Railway track circuit apparatus |
DE1294418B (en) * | 1964-11-11 | 1969-05-08 | Licentia Gmbh | Device for determining the driving location of rail-bound vehicles and for signal transmission |
DE2132052A1 (en) * | 1971-06-28 | 1973-01-11 | Bosch Gmbh Robert | ELECTRIC MACHINE, IN PARTICULAR THREE-PHASE ALTERNATOR FOR MOTOR VEHICLES |
US3774025A (en) * | 1971-06-30 | 1973-11-20 | Gen Signal Corp | Vehicle control system |
US3821544A (en) * | 1972-07-24 | 1974-06-28 | Westinghouse Electric Corp | Apparatus for sensing positions of vehicle along a track using voltage sensing in current track circuits |
US3879004A (en) * | 1973-10-01 | 1975-04-22 | Gen Signal Corp | Vehicle detection, signaling and communication system |
US3907237A (en) * | 1974-05-17 | 1975-09-23 | Westinghouse Air Brake Co | Check-in, check-out track circuit arrangement |
US3891167A (en) * | 1974-05-31 | 1975-06-24 | Westinghouse Electric Corp | Vehicle presence detection in a vehicle control system |
US3979092A (en) * | 1975-03-03 | 1976-09-07 | Westinghouse Electric Corporation | Sequential occupancy release control method and apparatus for train vehicles |
FR2431409A1 (en) * | 1978-07-17 | 1980-02-15 | Jeumont Schneider | DEVICE FOR TRANSMITTING INFORMATION BY RAILS BETWEEN A RAILWAY TRACK AND A SET OF VEHICLES TRAFFICING THEREON |
DE2910770C3 (en) * | 1979-03-19 | 1986-11-13 | Siemens AG, 1000 Berlin und 8000 München | Track monitoring device |
DE2951124C2 (en) * | 1979-12-19 | 1986-02-20 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Electrical separation joint for track circuits fed with alternating current in railway systems |
US4351504A (en) * | 1980-03-05 | 1982-09-28 | General Signal Corporation | Track circuit principle wheel detector |
-
1981
- 1981-01-29 FR FR8101671A patent/FR2498546A1/en active Granted
-
1982
- 1982-01-22 AU AU79749/82A patent/AU549842B2/en not_active Ceased
- 1982-01-25 EP EP82400128A patent/EP0057632B1/en not_active Expired
- 1982-01-25 DE DE8282400128T patent/DE3265690D1/en not_active Expired
- 1982-01-26 US US06/342,777 patent/US4487385A/en not_active Expired - Lifetime
- 1982-01-27 BR BR8200435A patent/BR8200435A/en not_active IP Right Cessation
- 1982-01-28 CA CA000395146A patent/CA1179755A/en not_active Expired
- 1982-01-28 ZA ZA82550A patent/ZA82550B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2498546B1 (en) | 1983-10-14 |
US4487385A (en) | 1984-12-11 |
EP0057632A2 (en) | 1982-08-11 |
ZA82550B (en) | 1983-01-26 |
DE3265690D1 (en) | 1985-10-03 |
FR2498546A1 (en) | 1982-07-30 |
AU7974982A (en) | 1982-08-05 |
CA1179755A (en) | 1984-12-18 |
BR8200435A (en) | 1982-11-30 |
AU549842B2 (en) | 1986-02-13 |
EP0057632A3 (en) | 1982-08-25 |
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