EP3315379B1 - Appareil embarqué et système de communication de train - Google Patents

Appareil embarqué et système de communication de train Download PDF

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Publication number
EP3315379B1
EP3315379B1 EP16813700.8A EP16813700A EP3315379B1 EP 3315379 B1 EP3315379 B1 EP 3315379B1 EP 16813700 A EP16813700 A EP 16813700A EP 3315379 B1 EP3315379 B1 EP 3315379B1
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EP
European Patent Office
Prior art keywords
communication
wireless communication
wireless
takeover
communication device
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.)
Active
Application number
EP16813700.8A
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German (de)
English (en)
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EP3315379A4 (fr
EP3315379A1 (fr
Inventor
Chen HAN
Haojiong LV
Weiping Wu
Guoping TANG
Hui Li
Juan Xu
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CRRC Times Electric Co Ltd
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Publication of EP3315379A1 publication Critical patent/EP3315379A1/fr
Publication of EP3315379A4 publication Critical patent/EP3315379A4/fr
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Classifications

    • 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
    • B61L15/0062—On-board target speed calculation or supervision
    • 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
    • B61L15/0018—Communication with or on the vehicle or train
    • B61L15/0027—Radio-based, e.g. using GSM-R
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • 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
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
    • 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
    • B61L27/70—Details of trackside communication
    • 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
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
    • B61L2027/204—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using Communication-based Train Control [CBTC]

Definitions

  • the present invention relates to the technical field of train control, and particularly to on-board equipment and a train communication system.
  • Zone Controller is a core subsystem of the CBTC system.
  • the ZC based on an accurate position reported by a train in communication with the ZC and axle counter occupied/idle, turnout and signal state jointly reported therein, calculates a Movement Authority (MA) for the train and enables the train to operate safely.
  • MA Movement Authority
  • a plurality of ZCs are generally arranged in a relatively long route.
  • two ZCs communicate train and lineside information and enable the train to pass through a border region between two zones at a high speed in a safe and seamless manner, and this process is called as zone switching.
  • a ZC from which the train is driving is called as a handover ZC
  • a ZC to which the train is driving is called as a takeover ZC.
  • On-board equipment of the CBTC system in the prior art generally comprises two available wireless communication devices.
  • the two wireless communication devices work at the same time in a hot-standby manner, one of which is responsible for communication with the handover ZC, and the other of which is responsible for communication with the takeover ZC.
  • the on-board equipment enables the train to pass through the border region between two ZCs in a safe, effective, and seamless manner based on the MAs sent from the two ZCs.
  • the wireless communication device In the case that only one wireless communication device in the CBTC system is available, the wireless communication device is always in communication with the handover ZC.
  • the train stops when it enters into the border region between two zones, and turns to a manual driving mode.
  • the train is driven by a driver to pass through the border region between two zones.
  • the CBTC drive mode is switched back according to operating procedure. Under such circumstance, an operating efficiency of the train passing through the border region is low, and a workload of the driver is increased, which affects an operating efficiency of a whole train, and even a whole line.
  • Pan Deng et al. "A New RBC Handover Model for High-Speed Train", Digital Manufacturing and Automation (ICDMA), 2012 Third International Conference on, IEEE, 31 July 2012 , discloses a new RBC handover model considering the status quo of dominant movement authority sent to the RBC-crossing train by two neighbor RBCs.
  • the basic data, in which the movement authority is hidden, is send by one or two of neighbor RBCs to train.
  • the automatic train control will be realized by the clarity of the hidden movement authority.
  • the present invention provides on-board equipment and a train communication system so as to solve the technical problem that an operating efficiency of a train is low when the train passes through a border region between two zones in a case that only one wireless communication device is available.
  • the present invention is defined as set out in independent claim 1.
  • the present invention provides on-board equipment.
  • the on-board equipment comprises:
  • the storage device stores a communication state and communication contents between the wireless communication device and the handover ZC.
  • the storage device further stores a communication state between the wireless communication device and the takeover ZC when it stores the communication contents between the wireless communication device and the takeover ZC.
  • the wireless communication device stops communication with the handover ZC after entering into a zone corresponding to the takeover ZC.
  • a safety margin duration is set by the time management device, and the wireless time-out time slice is determined according to the safety margin duration.
  • the present invention provides a train communication system, which comprises the aforesaid on-board equipment.
  • the present disclosure provides on-board equipment, which comprises only one available wireless communication device.
  • the wireless communication device of the on-board equipment is in time-sharing communication with the handover ZC and the takeover ZC.
  • the processing device of the on-board equipment obtains a current MA and a next MA respectively from two ZCs, and performs zone switching when it determines that the current MA is connected with the next MA.
  • Fig. 1 schematically shows a structure of on-board equipment provided by one embodiment of the present invention.
  • the embodiment of the present invention provides on-board equipment.
  • the on-board equipment is provided with only one wireless communication device which is in communication with a ZC, which means that the on-board equipment can communicate with one ZC only, while cannot communicate with two ZCs at the same time.
  • the wireless communication device according to the present embodiment is in communication with two ZCs in a time-sharing communication method.
  • the on-board equipment further comprises a time management device, a storage device, and a processing device, and the devices cooperate with each other to realize time-sharing communication function of the wireless communication device.
  • the wireless communication device of the on-board equipment receives a switching instruction from a ground responder.
  • the ground responder is a point apparatus through which ground transmits information to a train, and comprises a fixed (passive) responder and a variable (active) responder.
  • the ground responder receives electromagnetic energy sent by a point information receiving antenna of the on-board equipment of the train, transfers the electromagnetic energy into a work power supply to turn on an electronic circuit, and sends a transmission message prestored therein or sent by a Lineside Electronic Unit (LEU) in a circulating manner until the electromagnetic energy disappears, i.e., until the train departs from the ground responder.
  • LEU Lineside Electronic Unit
  • a ZC from which the train is driving is called as a handover ZC
  • a ZC to which the train is driving is called as a takeover ZC.
  • the transmission message sent by the ground responder comprises a switching instruction which means that the train is driving to a control zone of the takeover ZC, and the wireless communication device of the on-board equipment learns which takeover ZC should be in communication with according to this switching instruction.
  • the time management device of the on-board equipment determines a wireless time-out time slice involved in a wireless communication process.
  • the wireless time-out time slice prescribes a longest time period of pause communication on a premise that the wireless communication device keeps communication with the ZC. As long as a time period during which the communication between the wireless communication device and the ZC pauses is less than or equal to the wireless time-out time slice, the wireless communication device can, at any time, resume a communication state and communication contents with the ZC before communication pause, and continue communication with the ZC.
  • the wireless communication device When the train drives in a zone of the handover ZC, the wireless communication device always keeps communication with the handover ZC, and reports a train position and other related information to the handover ZC.
  • the handover ZC calculates a Movement Authority (MA) for the train based on the train position, barrier information along the line, and comprehensive condition thereof.
  • the MA calculated by the handover ZC is called as a current MA.
  • MA is a formal authority according to which the train can drive to a next parking position safely, and thus safe distance control between trains can be realized.
  • a safe distance between two trains is calculated according to maximum allowable speed, present parking position, route and other information, and the information is refreshed in a dynamic and circulating manner.
  • the wireless time-out time slice in order to ensure that the train can operate for a period of time after the wireless communication device pauses communication with the handover ZC, combining a definition on the wireless time-out time slice hereinabove, the wireless time-out time slice should be smaller than or equal to a duration of the current Movement Authority. Therefore, according to the present embodiment, the wireless time-out time slice is equal to a smaller one of the duration of the current movement authority and a longest communication duration of wireless communication between the wireless communication device and the ground responder. On this premise, the wireless communication device pauses communication with the handover ZC.
  • the storage device stores a communication state and communication contents between the wireless communication device and the handover ZC when the wireless communication device pauses communication with the handover ZC.
  • the wireless communication device can establish time-sharing communication with the handover ZC and the takeover ZC based on the wireless time-out time slice, so that the train can pass through a border between two zones in an effective, seamless, and safe manner when only one wireless communication device is available.
  • the wireless communication device after pauses communication with the handover ZC, immediately establishes communication with the takeover ZC. At this time, timing of a next wireless time-out time slice begins.
  • the wireless communication device When the wireless communication device is in communication with the takeover ZC, it also reports a train position and other related information to the takeover ZC. Similar to the handover ZC, the takeover ZC calculates a Movement Authority (MA) for the train based on the train position, barrier information along the line, and comprehensive condition thereof. According to the embodiment of the present disclosure, the MA calculated by the takeover ZC is called as a next MA.
  • MA Movement Authority
  • the wireless communication device pauses communication with the takeover ZC, and the storage device stores communication contents between the wireless communication device and the takeover ZC.
  • the storage device stores a communication state and communication contents between the wireless communication device and the takeover ZC when the wireless communication device pauses communication with the takeover ZC.
  • the on-board equipment of the train determines the next MA corresponding to the takeover ZC based on the communication contents with the takeover ZC stored therein.
  • the processing device of the on-board equipment should ensure that the current MA corresponding to the handover ZC is connected with the next MA corresponding to the takeover ZC, i.e., the route corresponding to the current MA and the route corresponding to the next MA are partially overlapped with each other or exactly connected with each other seamlessly.
  • the processing device of the train can form a new MA spanning the zone of the handover ZC and the zone of the takeover ZC, so that the train can pass a boundary of the handover ZC and enter into the zone of the takeover ZC in a smooth, safe, and effective manner according to the new MA.
  • the processing device determines that the train has a condition to perform zone switching in an effective, seamless, and safe manner
  • the processing device forms a new MA spanning a border region of two zones according to the MAs send to the on-board equipment by the handover ZC and the takeover ZC respectively so as to perform ZC switching in a safe, effective, and seamless manner.
  • the wireless communication device stops communication with the handover ZC, and keeps communication with the takeover ZC only.
  • the takeover ZC serves as a main control ZC.
  • the wireless communication device keeps communication with the takeover ZC until next zone switching.
  • the wireless communication device resumes communication with the handover ZC and the takeover ZC, and the processing device updates the current MA corresponding to the handover ZC and the next MA corresponding to the takeover ZC.
  • the wireless communication device resumes communication with the handover ZC according to the communication state and the communication contents between the wireless communication device and the handover ZC stored in the storage device, and reports a train position to the handover ZC;
  • the processing device updates a current movement authority according to current communication contents between the wireless communication device and the handover ZC;
  • the wireless communication device pauses communication with the handover ZC when the wireless time-out time slice comes to an end; and
  • the storage device stores the communication state and the communication contents between the wireless communication device and the handover ZC.
  • the wireless communication device resumes communication with the takeover ZC according to the communication state and the communication contents between the wireless communication device and the takeover ZC stored in the storage device, and reports a train position to the takeover ZC;
  • the processing device updates a next movement authority according to current communication contents between the wireless communication device and the takeover ZC;
  • the wireless communication device pauses communication with the takeover ZC when the next wireless time-out time slice comes to an end; and
  • the storage device stores a communication state and communication contents between the wireless communication device and the takeover ZC.
  • the processing device determines whether an updated current MA is connected with an updated next MA. If a determination result is yes, the processing device performs zone switching; and if a determination result is no, the processing device updates the current MA and the next MA once again until it determines that a further updated current MA is connected with a further updated next MA.
  • the ZC of the CBTC system can transmit information to the on-board equipment through wireless communication, ground cross induction loop, waveguide, or other medium.
  • the time management device sets a safety margin duration before determines the wireless time-out time slice.
  • the wireless time-out time slice is equal to a difference between a smaller one of a duration of the current movement authority and a longest communication duration of wireless communication between the wireless communication device and the ground responder and the safety margin duration.
  • the safety margin duration is determined by communication medium, communication mode between the ZC and the wireless communication device and other factors.
  • the present embodiment provides on-board equipment, which comprises only one available wireless communication device.
  • the wireless communication device of the on-board equipment is in time-sharing communication with the handover ZC and the takeover ZC.
  • the processing device of the on-board equipment obtains a current MA and a next MA respectively from two ZCs, and performs zone switching when it determines that the current MA is connected with the next MA.
  • automatic driving of a train can be realized in a CBTC mode, whereby an operating efficiency of the train when it passes through a border region between two zones can be improved, and an operating efficiency of a whole train, and even a whole line can be ensured.
  • the present embodiment further provides a train communication system, which comprises the aforesaid on-board equipment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (7)

  1. Équipement embarqué comprenant :
    un dispositif de communication sans fil, configuré pour recevoir une instruction de commutation provenant d'un émetteur-répondeur au sol ;
    un dispositif de gestion du temps, configuré pour déterminer une tranche de temps de temporisation sans fil après que le dispositif de communication sans fil a reçu l'instruction de commutation provenant de l'émetteur-répondeur au sol, la tranche de temps de temporisation sans fil étant une période de temps de communication en pause la plus longue en partant du principe que le dispositif de communication sans fil maintient une communication avec un dispositif de commande de zone, ZC,
    dans lequel tant qu'une période de temps pendant laquelle la communication entre les pauses du dispositif de communication sans fil et du ZC est inférieure ou égale à la tranche de temps de temporisation sans fil, le dispositif de communication sans fil peut reprendre un état de communication et des contenus de communication avec le ZC avant une pause de communication, et poursuivre la communication avec le ZC,
    dans lequel le dispositif de communication sans fil est en outre configuré pour :
    suspendre la communication avec un ZC de transfert pendant une tranche de temps de temporisation sans fil et dans une plage d'une autorité de mouvement actuel,
    établir une communication avec un ZC de prise en charge lors d'une tranche de temps de temporisation sans fil suivante et signaler une position de train au ZC de prise en charge, et pour
    suspendre la communication avec le ZC de prise en charge lorsque la tranche de temps de temporisation sans fil suivante prend fin ;
    un dispositif de stockage, configuré pour stocker des contenus de communication entre le dispositif de communication sans fil et le ZC de prise en charge lorsque le dispositif de communication sans fil suspend la communication avec le ZC de prise en charge ; et
    un dispositif de traitement, configuré pour déterminer une autorité de mouvement suivant en fonction des contenus de communication entre le dispositif de communication sans fil et le ZC de prise en charge, déterminer si l'autorité de mouvement actuel est reliée à l'autorité de mouvement suivant, et effectuer une commutation de zone si un résultat de détermination est « oui »
    dans lequel l'autorité de mouvement actuel est reliée à l'autorité de mouvement suivant lorsque l'itinéraire correspondant à l'autorité de mouvement actuel et l'itinéraire correspondant à l'autorité de mouvement suivant se chevauchent partiellement ou sont reliés exactement l'un à l'autre sans rupture.
  2. Équipement embarqué selon la revendication 1, dans lequel, lorsque le dispositif de communication sans fil suspend la communication avec le ZC de transfert, le dispositif de stockage stocke un état de communication et des contenus de communication entre le dispositif de communication sans fil et le ZC de transfert.
  3. Équipement embarqué selon la revendication 2, dans lequel le dispositif de stockage stocke en outre un état de communication entre le dispositif de communication sans fil et le ZC de prise en charge lorsqu'il stocke les contenus de communication entre le dispositif de communication sans fil et le ZC de prise en charge.
  4. Équipement embarqué selon la revendication 3,
    dans lequel, lorsque le dispositif de traitement détermine que l'autorité de mouvement actuel est débranchée de l'autorité de mouvement suivant,
    pendant la tranche de temps de temporisation sans fil : le dispositif de communication sans fil reprend la communication avec le ZC de transfert en fonction de l'état de communication et des contenus de communication entre le dispositif de communication sans fil et le ZC de transfert stocké dans le dispositif de stockage, et signale une position de train au ZC de transfert ; le dispositif de traitement met à jour une autorité de mouvement actuel en fonction des contenus de communication actuels entre le dispositif de communication sans fil et le ZC de transfert ; le dispositif de communication sans fil suspend la communication avec le ZC de transfert lorsque la tranche de temps de temporisation sans fil prend fin ; et le dispositif de stockage stocke un état de communication et les contenus de communication entre le dispositif de communication sans fil et le ZC de transfert ; et
    pendant la tranche de temps de temporisation sans fil suivante : le dispositif de communication sans fil reprend la communication avec le ZC de prise en charge en fonction de l'état de communication et des contenus de communication entre le dispositif de communication sans fil et le ZC de prise en charge stocké dans le dispositif de stockage, et signale une position de train au ZC de prise en charge ; le dispositif de traitement met à jour une autorité de mouvement suivant en fonction des contenus de communication actuel entre le dispositif de communication sans fil et le ZC de prise en charge ; le dispositif de communication sans fil suspend la communication avec le ZC de prise en charge lorsque la tranche de temps de temporisation sans fil suivante prend fin ; et le dispositif de stockage stocke un état de communication et des contenus de communication entre le dispositif de communication sans fil et le ZC de prise en charge ; et
    dans lequel le dispositif de traitement effectue une commutation de zone lorsqu'il détermine qu'une autorité de mouvement actuel mise à jour est reliée à une autorité de mouvement suivant mise à jour.
  5. Équipement embarqué selon la revendication 4, dans lequel le dispositif de communication sans fil arrête la communication avec le ZC de transfert après être entré dans une zone correspondant au ZC de prise en charge.
  6. Équipement embarqué selon la revendication 5, dans lequel une durée de marge de sécurité est fixée par le dispositif de gestion du temps, et la tranche de temps de temporisation sans fil est déterminée en fonction de la durée de marge de sécurité.
  7. Système de communication ferroviaire, caractérisé par l'équipement embarqué selon l'une quelconque des revendications 1-6.
EP16813700.8A 2015-06-26 2016-06-22 Appareil embarqué et système de communication de train Active EP3315379B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510367587.4A CN105035126B (zh) 2015-06-26 2015-06-26 一种车载设备及列车通信系统
PCT/CN2016/086682 WO2016206584A1 (fr) 2015-06-26 2016-06-22 Appareil embarqué et système de communication de train

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EP3315379A1 EP3315379A1 (fr) 2018-05-02
EP3315379A4 EP3315379A4 (fr) 2019-03-27
EP3315379B1 true EP3315379B1 (fr) 2024-02-14

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CN105035126B (zh) * 2015-06-26 2017-06-13 株洲中车时代电气股份有限公司 一种车载设备及列车通信系统
CN106697001B (zh) * 2016-12-21 2018-10-30 交控科技股份有限公司 用于跨线路条件的列车移动授权处理方法
CN107139974B (zh) * 2017-03-21 2019-03-01 卡斯柯信号有限公司 基于列车自动防护的区域控制器间列车移交管理方法
CN107738667B (zh) * 2017-10-16 2020-02-28 交控科技股份有限公司 Cbtc系统中跨重叠区列车位置的计算方法及装置
CN112583876A (zh) * 2019-09-30 2021-03-30 比亚迪股份有限公司 车站管理方法、装置、电子设备及存储介质
CN112572542B (zh) * 2019-09-30 2022-09-30 西门子交通有限责任公司 列车自动保护系统以及方法
CN110758482B (zh) * 2019-10-23 2021-08-17 通号城市轨道交通技术有限公司 一种列车移交方法及装置
CN112874577B (zh) * 2019-11-29 2022-05-13 比亚迪股份有限公司 列车管理方法及系统
CN111874044B (zh) * 2020-06-28 2022-04-19 通号城市轨道交通技术有限公司 一种车辆移交跨区域重叠区的方法
CN114620095B (zh) * 2020-12-10 2023-04-07 比亚迪股份有限公司 列车控制方法、车载控制器及列车

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EP3315379A4 (fr) 2019-03-27
WO2016206584A1 (fr) 2016-12-29
CN105035126A (zh) 2015-11-11
EP3315379A1 (fr) 2018-05-02
CN105035126B (zh) 2017-06-13

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