CN107054407B - Dual-system-integrated track traffic vehicle-mounted control system and control method thereof - Google Patents
Dual-system-integrated track traffic vehicle-mounted control system and control method thereof Download PDFInfo
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- CN107054407B CN107054407B CN201710187650.5A CN201710187650A CN107054407B CN 107054407 B CN107054407 B CN 107054407B CN 201710187650 A CN201710187650 A CN 201710187650A CN 107054407 B CN107054407 B CN 107054407B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 70
- 238000013475 authorization Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000004927 fusion Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- B61L15/0072—On-board train data handling
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- 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
- B61L15/0063—Multiple on-board control systems, e.g. "2 out of 3"-systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a double-system-fused track traffic vehicle-mounted control system and a control method thereof, wherein the double-system-fused track traffic vehicle-mounted control system comprises an operation unit, a speed measuring module, an input/output module, an MB processing module and a QMB processing module, and the operation unit is respectively connected with the speed measuring module, the input/output module, the MB processing module and the QMB processing module; the speed measuring module is used for measuring the speed of the train and sending the speed to the operation unit; the operation unit is responsible for calculating the movable distance and speed of the train and is connected with a vehicle interface through the input and output module to acquire vehicle information, control the train and provide interfaces of drivers and a vehicle-mounted control system; the MB processing module provides positioning and movement authorization information of a movement blocking mode for the operation unit; the QMB processing module provides the positioning and target speed distance information of the quasi-mobile blocking system for the operation unit. Compared with the prior art, the invention has the advantages of improving the reliability of the system and the like.
Description
Technical Field
The invention relates to a track traffic vehicle-mounted control system, in particular to a double-system integrated track traffic vehicle-mounted control system and a control method thereof.
Background
The existing track traffic vehicle-mounted control system adopts a head-tail redundancy or 2oo3 redundancy mode, the mode can better solve the influence on driving caused by hardware faults of the vehicle-mounted system, but because the existing vehicle-mounted control system can only receive signals of one system from the side of the track at the same time or can only process the signals of one system although receiving signals of different systems, when the control system which is being applied at the side of the track has problems, the vehicle-mounted control system can not only work normally, but also trigger emergency braking inevitably, and the interference on driving is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a double-system-type integrated track traffic vehicle-mounted control system and a control method thereof.
The aim of the invention can be achieved by the following technical scheme:
the double-system integrated track traffic vehicle-mounted control system comprises an operation unit, a speed measuring module, an input and output module, an MB processing module and a QMB processing module, wherein the operation unit is respectively connected with the speed measuring module, the input and output module, the MB processing module and the QMB processing module;
the speed measuring module is used for measuring the speed of the train and sending the speed to the operation unit;
the operation unit is responsible for calculating the movable distance and speed of the train and is connected with a vehicle interface through the input and output module to acquire vehicle information, control the train and provide interfaces of drivers and a vehicle-mounted control system;
the MB processing module provides positioning and movement authorization information of a movement blocking mode for the operation unit;
the QMB processing module provides the positioning and target speed distance information of the quasi-mobile blocking system for the operation unit.
The system also includes a transponder antenna and a wireless unit respectively connected with the MB processing module.
The transponder antenna and the wireless unit are respectively provided with two transponder antennas which are respectively arranged at the head and the tail of the train to carry out the redundancy of the head and the tail of the train.
The system also comprises a track circuit antenna and a loop antenna which are respectively connected with the QMB processing module.
The track circuit antenna and the loop antenna are respectively provided with two, and are respectively arranged at the head and the tail of the train to carry out the redundancy of the head and the tail of the train.
The speed measuring modules are arranged in two and are respectively arranged at the head and the tail of the train to carry out redundancy of the head and the tail of the train.
A control method of a track traffic vehicle-mounted control system adopting double-system fusion comprises the following steps:
the operation unit obtains the current speed of the train from the speed measuring module, calculates a train control curve according to different driving modes, provides a train control command for the train through the input and output module and the vehicle interface, then respectively operates the MB processing module interface to obtain the movement authorization information sent by the MB processing module, and then operates the QMB processing module interface to obtain the information of the target distance and the speed sent by the QMB processing module in the same period, and the operation unit calculates the maximum available information after obtaining the authorization information of two systems, and returns the calculation result to the calculation for the next train control curve.
The MB processing module comprises the following processing procedures:
and the MB processing module self-checking starts the positioning of the train after being initialized, then transmits the movement authorization information of the MB processing module through an interface with the operation unit, simultaneously receives the information provided by the operation unit to the rail side of the MB system, and finally transmits the train position report to the rail side equipment and receives the movement authorization information of the train.
The QMB processing module processes as follows:
the QMB processing module self-checking starts the positioning of the train after being initialized, then transmits positioning information, target distance and speed information of the QMB processing module through an interface with the operation unit, finally receives the target distance and speed through the track circuit receiving unit and the loop antenna, and transmits information of the vehicle to the side of the track.
The train control system with different systems beside the track is obtained through the transponder and the track circuit edge, and the information of the two systems is input into the operation unit in parallel, and the operation unit calculates based on the availability of the train control information, so that the normal operation of the train is not influenced no matter which system fails.
Compared with the prior art, the invention has the following advantages:
1) The parallel receiving processing of the double-system information is realized on the basis of the sharing of universal modules such as measuring, calculating, input and output, operation units and the like, the complexity of the system is controlled, and the reliability of the system is improved.
2) The heterogeneous redundancy of the control information and the positioning information is realized, and the probability that the vehicle-mounted system is influenced by internal and external factors is reduced.
3) The large modification of the sectional construction can realize the mixed use of the existing QMB and MB, multiplex the existing track circuit-based system, realize the smooth upgrade of the system to MB section by section, protect the existing investment, reduce the complexity of updating and reconstruction and realize the smooth upgrade of the undisturbed sections.
Drawings
FIG. 1 is a schematic diagram of the MB and QMB both operating normally;
FIG. 2 is a schematic diagram of MB failing but QMB operating normally;
FIG. 3 is a schematic diagram of MB failing but QMB operating normally;
FIG. 4 is a schematic diagram of the structure of the present invention;
wherein 1 is an operation unit, 2 is a speed measuring module, 3 is an MB processing module, 4 is a QMB processing module, 5 is an input and output module, and 6 is a train.
FIG. 5 is a schematic diagram of the connection between an MB processing module and a plug-in device according to the present invention;
wherein 3 is the MB processing module, 7 is the transponder antenna, and 8 is the wireless unit.
FIG. 6 is a schematic diagram of the connection between a QMB processing module and a plug-in device according to the present invention;
wherein 4 is a QMB processing module, 9 is a track circuit antenna, and 10 is a loop antenna.
FIG. 7 is a flow chart of a control method of the present invention;
FIG. 8 is a flowchart of a QMB processing module according to the present invention;
FIG. 9 is a flow chart of the MB processing module of the present invention;
fig. 10 is a schematic diagram illustrating a configuration example of a dual-system fusion rail transit vehicle control system according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
The invention organically fuses a mobile blocking system (Moving Block Mode, MB for short) and a quasi-mobile blocking system (Quasi Moving Block Mode, QMB for short) which are widely applied in the current rail transit field from a vehicle-mounted control system level, and performs function recombination and system reconstruction on the vehicle-mounted control system aiming at faults with larger probability of occurrence of each system on site so as to realize that the faults of a single system do not influence the normal operation of a train, wherein the working flow of the system is as follows:
1) When the moving occlusion system and the quasi-moving occlusion system both work normally, as shown in fig. 1:
(1) the MB processing module determines the train position based on the transponders and the QMB processing module determines the train position based on the insulated section/"S" bars/cross loops of the track circuit.
(2) The MB processing mode receives mobile grant information via free radio and the QMB processing module receives target distance information via track circuit/cross-loop.
(3) The operation unit of the double-system fusion vehicle-mounted control system controls the train based on the maximum available distance and speed of the information received by the MB and the QMB.
2) When the mobile blocking system fails or the train positioning based on the transponder fails, but the quasi-mobile blocking works normally, as shown in fig. 2, the dual-system fusion vehicle-mounted control system controls the train depending on the QMB information.
3) When the quasi-moving blocking system fails or the positioning of the train fails based on the insulated section/'S' -rod/cross loop line, but the moving blocking works normally, as shown in fig. 3, the dual-system fusion vehicle-mounted control system controls the train depending on MB information.
As shown in fig. 4, the dual-system integrated track traffic vehicle-mounted control system comprises an operation unit 1, a speed measuring module 2, an input/output module 5, an MB processing module 3 and a QMB processing module 4, wherein the operation unit 1 is respectively connected with the speed measuring module 2, the input/output module 5, the MB processing module 3 and the QMB processing module 4;
the speed measuring module 2 is used for measuring the speed of the train and sending the speed to the operation unit; the operation unit 1 is responsible for calculating the operable distance and speed of the train and is connected with a vehicle interface through an input/output module to acquire vehicle information, control the train and provide interfaces of a driver and a vehicle-mounted control system; the MB processing module 3 provides positioning and movement authorization information of a movement blocking mode for the operation unit; the QMB processing module 4 provides the operation unit with positioning and target speed distance information of the quasi-mobile occlusion system. The speed measuring modules are arranged in two and are respectively arranged at the head and the tail of the train to carry out redundancy of the head and the tail of the train.
As shown in fig. 5, the system further comprises a transponder antenna 7 and a radio unit 8, each connected to the MB processing module 3. The transponder antenna and the wireless unit are respectively provided with two transponder antennas which are respectively arranged at the head and the tail of the train to carry out the redundancy of the head and the tail of the train.
As shown in fig. 6, the system further includes a track circuit antenna 9 and a loop antenna 10 connected to the QMB processing module 4, respectively. The track circuit antenna and the loop antenna are respectively provided with two, and are respectively arranged at the head and the tail of the train to carry out the redundancy of the head and the tail of the train.
The main flow chart of the system is shown in fig. 7, the system starts the operation of vehicle-mounted control after self-checking and initialization, the operation unit obtains the current speed of the train from the speed measuring unit, calculates the train control curve according to different driving modes, provides train control commands for the train through the input and output modules and the vehicle interface, then respectively operates the MB processing module interface program to obtain the movement authorization information sent by the MB module, then operates the QMB processing module interface program to obtain the information of the target distance and the speed sent by the QMB module, and after the two types of allowable information are obtained, the operation unit calculates the maximum available information, and the calculation result returns to the calculation for the next train control curve.
The QMB module processing flow chart is shown in fig. 8, the module self-checking starts the positioning of the train after the initialization, then the positioning information of the QMB module, the information of the target distance and speed, etc. are transmitted through the interface with the operation unit, and finally the receiving unit of the track circuit and the loop antenna are used for receiving the target distance and speed and transmitting the information of the vehicle to the side of the track.
The MB module processing flowchart is shown in fig. 9, and the module self-checking starts the positioning of the train after initializing, then transmits the information such as the movement authorization of the MB module through the interface with the operation unit, and simultaneously receives the information provided by the operation unit to the rail side of the MB system, and finally, transmits the information such as the position report of the train to the rail side and receives the information such as the movement authorization of the train.
A schematic of the invention is shown in fig. 10. Wherein, the head and tail CC adopts a 2oo2 mode and forms redundancy through a network, the input and output adopts a single-end 2X2oo2 redundancy mode, and the head and tail speed measuring device forms redundancy and is connected with the CC interface; the MB module is connected with the transponder antenna and the wireless unit, and redundancy is formed from the head to the tail; the QMB module is connected with the track circuit antenna and the loop antenna, and redundancy is formed from head to tail; the MB and the QMB provide control information of different systems beside the track for the CC at the same time, and are fused at the CC end, and the CC adopts the maximum available authorized speed and distance to control the train.
The vehicle-mounted head-tail redundancy device comprises a speed measuring device X1, a beacon antenna X1, a wireless communication unit X1, a track circuit receiving antenna X1 and a loop antenna X1, wherein each end is provided with 1 set of 2oo2 operation units, 1 set of 2X2oo2 input/output units and 1 set of MB and QMB processing units.
The vehicle-mounted device is positioned through the transponder and the edge of the track circuit respectively, and a train control system of different systems beside the track is acquired through the track receiving unit and the wireless device, information of the two systems is input into the operation unit in parallel, and the operation unit calculates based on the availability of the control information, so that the normal operation of the train can not be influenced no matter which system fails.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (7)
1. The control method of the track traffic vehicle-mounted control system adopting double-system fusion is characterized in that the control system comprises an operation unit, a speed measuring module, an input and output module, an MB processing module and a QMB processing module, wherein the operation unit is respectively connected with the speed measuring module, the input and output module, the MB processing module and the QMB processing module;
the speed measuring module is used for measuring the speed of the train and sending the speed to the operation unit;
the operation unit is responsible for calculating the movable distance and speed of the train and is connected with a vehicle interface through the input and output module to acquire vehicle information, control the train and provide interfaces of drivers and a vehicle-mounted control system;
the MB processing module provides positioning and movement authorization information of a movement blocking mode for the operation unit;
the QMB processing module provides positioning and target speed distance information of a quasi-mobile blocking mode for the operation unit;
the control method comprises the following steps:
the operation unit obtains the current speed of the train from the speed measuring module, calculates a train control curve according to different driving modes, provides a train control command for the train through the input and output module and the vehicle interface, then respectively operates the MB processing module interface to obtain the movement authorization information sent by the MB processing module, and operates the QMB processing module interface again in the same period to obtain the information of the target distance and the speed sent by the QMB processing module, the operation unit calculates the maximum available information after obtaining the authorization information of two systems, and the calculation result returns to the calculation for the next train control curve;
the MB processing module comprises the following processing procedures:
the MB processing module self-checking starts the positioning of the train after being initialized, then transmits the movement authorization information of the MB processing module through an interface with the operation unit, simultaneously receives the information provided by the operation unit to the rail side of the MB system, and finally transmits the train position report to the rail side equipment and receives the movement authorization information of the train;
the QMB processing module processes as follows:
the QMB processing module self-checking starts the positioning of the train after being initialized, then transmits positioning information, target distance and speed information of the QMB processing module through an interface with the operation unit, finally receives the target distance and speed through the track circuit receiving unit and the loop antenna, and transmits information of the vehicle to the side of the track.
2. The method of claim 1, wherein the system further comprises a transponder antenna and a wireless unit respectively coupled to the MB processing module.
3. The method of claim 2, wherein the transponder antenna and the wireless unit are respectively provided with two, and are respectively installed at the head and the tail of the train for vehicle-mounted head and tail redundancy.
4. The method of claim 1, wherein the system further comprises a track circuit antenna and a loop antenna respectively coupled to the QMB processing module.
5. The method of claim 4, wherein the track circuit antenna and the loop antenna are respectively arranged at the head and the tail of the train for vehicle-mounted head and tail redundancy.
6. The method of claim 1, wherein two speed measuring modules are respectively installed at the head and the tail of the train for vehicle-mounted head and tail redundancy.
7. The method according to claim 1, wherein the transponder and the track circuit edge are used for positioning respectively, and train control systems of different systems beside the track are obtained through the track circuit antenna and the loop antenna, information of the two systems is input into the operation unit in parallel, and the operation unit calculates based on the availability of the train control information, so that no matter which system fails, the normal operation of the train is not affected.
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| CN201710187650.5A CN107054407B (en) | 2017-03-27 | 2017-03-27 | Dual-system-integrated track traffic vehicle-mounted control system and control method thereof |
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| CN107054407B true CN107054407B (en) | 2023-05-09 |
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| CN108177662B (en) * | 2017-12-22 | 2020-06-05 | 交控科技股份有限公司 | ATP speed limit curve fusion method for different train operation modes |
| CN113753103B (en) * | 2021-08-11 | 2022-09-02 | 交控科技股份有限公司 | Train running speed control method compatible with CTCS system and city system |
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| DE602005003551D1 (en) * | 2005-03-21 | 2008-01-10 | Sener Ingenieria Y Sist S | Block system and method for the safe driving of railway lines with lower traffic density |
| FR2983447A1 (en) * | 2011-12-01 | 2013-06-07 | Alstom Transport Sa | DEVICE AND METHOD FOR SIGNALING A TRAIN |
| CN105083332A (en) * | 2015-03-20 | 2015-11-25 | 北京交通大学 | Train control vehicle-mounted system |
| CN105101094A (en) * | 2015-09-17 | 2015-11-25 | 北京交通大学 | Train operation control system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101007537A (en) * | 2007-01-26 | 2007-08-01 | 北京交通大学 | Universal automatic protection (ATP) vehicle-mounted system for train and its mode control method |
| CN100515845C (en) * | 2007-06-22 | 2009-07-22 | 南京恩瑞特实业有限公司 | Train locating method adapted for different obturation modes |
| CN102248957B (en) * | 2011-05-16 | 2013-08-21 | 铁道部运输局 | CTCS (China Train Control System)-3 level train control on-board equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602005003551D1 (en) * | 2005-03-21 | 2008-01-10 | Sener Ingenieria Y Sist S | Block system and method for the safe driving of railway lines with lower traffic density |
| FR2983447A1 (en) * | 2011-12-01 | 2013-06-07 | Alstom Transport Sa | DEVICE AND METHOD FOR SIGNALING A TRAIN |
| CN105083332A (en) * | 2015-03-20 | 2015-11-25 | 北京交通大学 | Train control vehicle-mounted system |
| CN105101094A (en) * | 2015-09-17 | 2015-11-25 | 北京交通大学 | Train operation control system |
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