WO2010125321A1 - Procede de transfert de donnees d'alerte entre un vehicule ferroviaire en panne et un centre de controle, dispositif associe - Google Patents
Procede de transfert de donnees d'alerte entre un vehicule ferroviaire en panne et un centre de controle, dispositif associe Download PDFInfo
- Publication number
- WO2010125321A1 WO2010125321A1 PCT/FR2010/050829 FR2010050829W WO2010125321A1 WO 2010125321 A1 WO2010125321 A1 WO 2010125321A1 FR 2010050829 W FR2010050829 W FR 2010050829W WO 2010125321 A1 WO2010125321 A1 WO 2010125321A1
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- WIPO (PCT)
- Prior art keywords
- train
- communication device
- link
- radio
- emergency
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 94
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 12
- 230000011664 signaling Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- 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
- 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
- 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 subject of the invention is that of methods of transferring warning data between a broken down railway vehicle and a control center, as well as the devices for implementing such methods.
- the trains are today equipped with maintenance means able to determine a state of operation of the train from different parameters.
- these means of maintenance inform a fixed control center, on the ground, by transferring to it alert data.
- alert data comprise at least one train identifier, an alarm signal and secondary data relating to the state of the train that has failed. This information enables the control center, by implementing expert data processing means, to try to diagnose the nature of the failure, to develop an intervention strategy and to mobilize the appropriate means to carry out this intervention.
- a train is equipped with suitable communication means to establish such a wireless link.
- the wireless link is established punctually when the train is within the coverage area of the ground communication infrastructure. This coverage area usually includes stations, maintenance shops, some important points of the rail network, but does not cover all the tracks that the trains of a train fleet are likely to borrow.
- a train can fail and be immobilized on the track at a point that does not belong to the coverage area of the communication infrastructure on the ground. It is therefore impossible for the broken down train to establish a communication link with the ground infrastructure and, consequently, to inform the control center of the situation. The intervention chain is not triggered.
- the broken down train can not establish a link with the ground infrastructure brings together many situations: the broken down train can be located outside the coverage area of the ground communication infrastructure , and it is impossible to establish any wireless connection; the broken down train may be in the coverage area of the ground communication infrastructure, but the quality of the link between the broken down train and the ground infrastructure is severely degraded by, for example, a screening phenomenon due to electromagnetic disturbances or the presence of another train masking a radio access point in a tunnel; finally, the breakdown affecting the train may in fact affect the means of radio communication normally used for establishing the radio link between the train and the ground infrastructure or the on-board computer of the train, which implements the maintenance means.
- the purpose of the invention is therefore to transfer, regardless of the failure, warning data of a broken down train to a control center, while the broken down train can not establish a main communication link with the control center.
- ground infrastructure a link normally used for maintenance communications between the train and the control center.
- the subject of the invention is a method according to claim 1, an embedded system according to claim 8 and an architecture according to claim 14.
- FIG. 1 is a schematic representation of the situation in which method according to the invention is implemented
- FIG. 2 schematically represents the onboard system of a train, and in particular a stand-alone emergency communication device
- FIG. 3 is an algorithm representation of the various elementary steps for transferring alert data from the failed train to the control center via a relay train.
- FIG. 1 shows a first train A traveling along a railway line 9.
- a second train B which circulates along a track railway 10 parallel to track 9.
- the communication architecture comprises a ground communication infrastructure 1, preferably private.
- the ground infrastructure 1 is connected to a network 12, for example public, such as the Internet.
- a control center 2 is connected to said network 12.
- the control center 2 comprises expert means of data analysis to control the train fleet.
- the infrastructure 1 comprises a plurality of base stations, such as the base stations 7 and 8.
- Each base station 7, 8 comprises radio transmission and reception means 5, 6, making it possible to establish a link wirelessly with a mobile device located inside the cell 3, 4, covered by the base station 7, 8.
- the meeting of the different cells 3, 4 of the infrastructure 1 constitutes the coverage area of the infrastructure 1. As shown in FIG. 1, this coverage area does not cover the entirety of the channels 9 and 10. There is a shadow zone 13, for example located between the cells 3 and 4, within which it is impossible for a mobile device to be in radio communication with the infrastructure 1.
- Each of the trains of the said train fleet is equipped with the same hardware and software system.
- the system 15 of the train A is shown schematically in FIG. 2.
- the system 15 'of the train B is identical to the system 15.
- the reference carried by a component of the system 15' of the train B is obtained by "priming" the reference carried by the same component of the system 15 of the train A.
- the system 15 comprises an on-board computer 16.
- the on-board computer 16 comprises a computing unit 17, as well as storage means 18 of the RAM and ROM type.
- the on-board computer 16 is connected via an appropriate input / output interface 19 to a local area network 20 on board the aircraft.
- Various sensors, such as the sensors 22 and 24, are connected to the on-board computer 16 via the local area network 20.
- the onboard computer 16 comprises, inter alia, a maintenance software module 30.
- the maintenance software module 30 consists of a series of instructions stored in the storage means 18 and able to be periodically executed by the unit. calculation 17.
- the maintenance module 30 is able to determine a plurality of indicators as a function of many parameters whose values are measured by the different sensors 22, 24.
- the value of a parameter may be a value measured at the present time, or a value measured at a given moment and stored in a history of the values of the parameter considered.
- Lie maintenance module 30 is suitable for performing a synthesis of the different indicators in a global variable called "state of train operation".
- the operating state of the train is for example binary, "normal” or "out of order”.
- the history of the values of a parameter is stored in the storage means 18.
- the instantaneous values of the various indicators and the operating state of the train are recorded in a status log, stored in the storage means 18.
- the system 15 also comprises a main radio communication device 40 dedicated to the establishment of a main wireless communication link with one of the base stations 7, 8, of the ground infrastructure 1.
- the main device 40 makes it possible to establish a link of the GSM type and to communicate data along this link according to a predetermined protocol, for example of the TCP / IP type.
- a predetermined protocol for example of the TCP / IP type.
- the person skilled in the art knows how to implement such a main communication link. Alternatively, other types of main link may be implemented.
- the system 15 includes a backup communication device 50 dedicated to the establishment of a backup radio communication link with a backup communication device 50 'equipping another train, such as the train B.
- the emergency device 50 comprises: a main electronic card, comprising calculation means 51 and storage means 52; an input / output interface 54 for the connection of the backup device 50 to the local network 20 and the bidirectional exchange of information with the on-board computer 16 according to a predetermined protocol; means for transmitting and receiving radio waves 56 operating, by default, according to a specific mode, called "default"resource; and, power supply means, such as a battery 58, for making the emergency communication device 50 autonomous.
- the device 50 is autonomous vis-à-vis the other equipment of the train A so that it can operate regardless of the fault affecting the train and, in particular, a fault affecting the on-board computer 16 of the train A and / or the main communication device 40 of train A.
- the main electronic card is able to execute various software modules shown schematically in FIG. 2: a backup communication module 60, which makes it possible to synchronize the execution of different modules and to prepare the data messages to be transmitted, in compliant formats to predefined protocols; a negotiation module 62 able to negotiate the radio resources in a dynamic manner and to choose, among the various available resources, the appropriate resource for establishing the backup link. This choice is made according to the volume of the alert data to be transmitted from one train to another, the speed of the relay train, etc. a configuration module 64, which, when executed, makes it possible to configure the radio transmission and reception means 56 according to the characteristics of the resource that has been negotiated.
- the radio transmission and reception means 56 are configured in GSM-R transmission mode, or in GPSR mode, or in WiFi mode.
- an on-board computer determines the current operating state of the train (in FIG. step 100 for train A and step 100 'for train B).
- the on-board computer regularly sends, to the emergency device of the train, a flag indicating that the train is in a normal operating state (step 110 'for train B ).
- the emergency device receives this flag, it operates in a standby mode (step 120 'for the train B).
- the emergency device continuously listens to its radio environment in order to detect a possible broken down train. The reception and radio transmission means then operate in "default" mode.
- the on-board computer determines that the operational state of the train is "down", this is the case for the train A, it first tries to communicate this information to the control center 2 via a communication link main radio that would be established between the main communication device 40 of the failed A train and the ground infrastructure 1 (step 130 for the train A).
- the main communication device 40 When, after several attempts, the main communication device 40 responds to the on-board computer 16 of the train A that it is impossible to establish a communication link with the ground infrastructure 1, the on-board computer 16 of the train A sends to the emergency communication device 50 of the train A, a flag indicating a failed operating state (step 140).
- the emergency communication device 50 When the emergency communication device 50 receives a flag indicating a failed operating state, it switches from “sleep" mode to "active" mode (step 150).
- the device 50 goes into active mode in other situations, for example when it no longer receives an operating status flag from the on-board computer 16, or the driver's cabin being equipped with a signal switch, when the driver actuates the signaling switch to issue a flag equivalent to a flag indicating a failed operating state to the device 50. Note that the latter feature, prevents the computer board 16 is the means of passage in the chain of detection of a failure.
- the communication module 60 of the failed A train seeks to establish a backup radio communication link with another train, such as the train B, which could be used to relay the warning data to warn the control center 2 as quickly as possible.
- the communication module 60 generates a preliminary signaling which is transmitted periodically, in the form of beacons, by the transmitting and receiving means 56 configured in "default" operating mode, for the purpose inform the environment 70 that the train A is down. It should be noted that the environment 70 associated with the train A corresponds to the coverage area of the radio transmission and reception means 56 in the "default" mode.
- the communication module 60 starts the execution of the negotiation module 62 by passing to it certain parameters, such as the quantity of alert data to be transferred, so that it prepares a list of the radio resources available which can to be used for the establishment of a wireless link implementing a particular protocol for the transmission of data.
- the emergency device 50 'of the train B in "standby" mode, listen over a wide spectral band its radio environment.
- the spare device 50 'of the train B detects a preliminary signaling beacon, it switches from the "sleep" mode to the "active" mode (step 180'). It transmits a response message to the rescue device 50 of the train A to initiate the process of establishing a wireless backhaul radio link (step 190 ').
- a negotiation step of the radio resource to be used is performed by the negotiation modules 62 and 62 'respectively of the trains A and B (step 200 for the train A and step 200' for the train B).
- the module 62 proposes the first resource in the list of available resources that it has previously established.
- the module 62 ' responds by indicating whether this resource exists and is available on the B-train side. If the response of the module 62' is negative, the module 62 proposes the following resource in the list of resources. If the response of the module 62 'of the train B is positive, the configuration modules 64 and 64' are executed (step 210 for the train A step 210 'for the train B) to configure the transmission and reception means 56 and 56 'of each of the trains A and B.
- step 220' according to the flow of the alert data to be transferred and the characteristics of the negotiated resource, the communication means 60 'of the train B, estimate the time during which the emergency link must be maintained to transfer all the alarm data relating to the train A.
- the means 60 ' transmits this information to the on-board computer 16' of the train B. This will take into account this information to regulate the speed of train B in zone 70.
- the communication module 60 and 60' establish a communication channel by implementing the means adapted to connect the services, ie the different layers of the communication protocol of the wireless link (physical layers and data link 1 and 2 of the OSI model) (step 230 for train A and 230 'for train B).
- step 240 for the train A and 240 'for the train B the communication modules 60 and 60' exchange data according to the negotiated protocol.
- the emergency device 50 of the train A transmits a succession of messages. Each message has a particular alert data. Knowing that the emergency link has a reduced duration and may be cut off, the alert data to be transferred from train A to train B are prioritized according to a priority criterion. High priority alert data is transmitted first.
- the alert data includes priority data, such as a train A identifier, an alarm signal indicating that train A is down, the position of train A, and secondary data, such as a code indicating the nature of the failure, secondary indicators that have been calculated by the maintenance module 30 of the train A, the parameters of the train A, etc.
- the device 50 'of the train B responds by transmitting a message of acknowledgment of the data n.
- the device 50 'of the train B responds by transmitting a global acknowledgment message.
- the spare device 50 of the train A stores the value n of the last acknowledgment message received from relay B train.
- the emergency device 50 of the train A searches again (return to the step 160) to establish another spare link with another train C passing near the train A.
- the device 50 after having transmitted the priority alarm data again, continue the transmission of the alarm data starting at the n + 1 l ⁇ m ⁇ alarm data.
- the synthesis between the two alarm data packets relating to the train A will be carried out by the control center 2.
- the different alarm data relating to the train A transferred to the train B are recorded in the storage means 52 'of the main board of the emergency device 50' of the train B (step 250 ').
- the emergency link is broken and the B train continues.
- the train B When it enters the coverage area of the ground infrastructure 1, the train B establishes (step 260 ') a main communication link with a base station, for example the base station 7, from the infrastructure to the base station. ground 1. To do this, it uses its main communication device 40 '.
- the emergency communication module 60 ' indicating to the on-board computer 16' that it has to transmit alarm data.
- the on-board computer 16 'of the train B requests the emergency communication device 50' the alarm data to be transmitted and uses the main communication device 40 'for this transmission.
- the train B transmits (step 270 ') the alarm data relating to the train A, to the control center 2.
- the ground infrastructure 1 conveys these alarm data to the control center 2 which will process them (step 280 ")
- the emergency device 50 'of the train B remains in the" active "mode and transfers the alarm data relating to the train A to the other trains that the train B crosses, in this way, by an effect Many of the trains in the pilot train fleet are aware of the existence of the broken down A train.
- the time required to warn the control center 2 is minimized, because it may not be the train B, having received the alarm data by a first "jump"("hop" in English), which can establish in first a connection with the ground infrastructure, but another train fleet receiving the alarm data with i ⁇ m ⁇ "jump".
- a similar method is envisaged which uses a relay B train.
- the control center 2 includes a list of the trains of the fleet in circulation and their route.
- the control center 2 selects the train to be used as a relay for transferring information or requests as quickly as possible to the failed A train.
- the information is first transferred to the relay B train.
- the train B moves into the coverage area 70 of the radio transmission and reception means of the trains A and B.
- the backup link is established, the information and the requests are transferred to the train A and processed by the on-board computer 16 of the train A.
- the alert data transmitted by the emergency communication device to the control center is a pre-warning message. -formaté.
- the system according to the invention which incorporates a dedicated stand-alone emergency communication device, ensures high reliability in the routing of the alert data of the broken down train to the control center managing the operation of the network.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Mobile Radio Communication Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1014647-4A BRPI1014647B1 (pt) | 2009-04-30 | 2010-04-30 | Processo de transferência de dados de alerta entre um primeiro trem em pane e um centro de controle, sistema embarcado a bordo de um trem para a execução do processo de transferência de dados e arquitetura de comunicação |
US13/266,819 US9266544B2 (en) | 2009-04-30 | 2010-04-30 | Method for transferring alarm data between a broken-down railway vehicle and a control center and associated device |
RU2011148579/11A RU2529582C2 (ru) | 2009-04-30 | 2010-04-30 | Способ передачи тревожных данных между терпящим аварию железнодорожным транспортным средством и диспетчерским центром и соответствующее устройство |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0952875A FR2945013B1 (fr) | 2009-04-30 | 2009-04-30 | Procede de transfert de donnees d'alerte entre un vehicule ferroviaire en panne et un centre de controle,dispositif associe |
FR0952875 | 2009-04-30 |
Publications (1)
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WO2010125321A1 true WO2010125321A1 (fr) | 2010-11-04 |
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PCT/FR2010/050829 WO2010125321A1 (fr) | 2009-04-30 | 2010-04-30 | Procede de transfert de donnees d'alerte entre un vehicule ferroviaire en panne et un centre de controle, dispositif associe |
Country Status (5)
Country | Link |
---|---|
US (1) | US9266544B2 (fr) |
BR (1) | BRPI1014647B1 (fr) |
FR (1) | FR2945013B1 (fr) |
RU (1) | RU2529582C2 (fr) |
WO (1) | WO2010125321A1 (fr) |
Cited By (2)
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CN103029722A (zh) * | 2012-12-17 | 2013-04-10 | 广州佳都信息技术研发有限公司 | 一种平衡负荷的轨道交通报警数据传送方法 |
WO2015128148A1 (fr) * | 2014-02-28 | 2015-09-03 | Siemens Aktiengesellschaft | Procédé et ensemble permettant de faire fonctionner des véhicules guidés sur rails et commandés par radio |
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US9828011B2 (en) * | 2013-12-18 | 2017-11-28 | Thales Canada Inc | Communication system for guideway mounted vehicle and method of using the same |
CN108583621B (zh) * | 2018-04-28 | 2020-10-23 | 北京全路通信信号研究设计院集团有限公司 | 控制方法和报警系统 |
ES2914048T3 (es) * | 2018-06-26 | 2022-06-07 | Siemens Mobility GmbH | Equipo de alarma para un vehículo ferroviario |
RU2692362C1 (ru) * | 2018-09-20 | 2019-06-24 | Открытое Акционерное Общество "Российские Железные Дороги" | Устройство для обмена данными по каналам радиосвязи |
CN114095799B (zh) * | 2022-01-14 | 2022-06-21 | 天津七一二移动通信有限公司 | 一种具有冗余切换功能的gsm-r数据单元的实现方法 |
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- 2010-04-30 RU RU2011148579/11A patent/RU2529582C2/ru active
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Also Published As
Publication number | Publication date |
---|---|
FR2945013A1 (fr) | 2010-11-05 |
US20120242484A1 (en) | 2012-09-27 |
RU2529582C2 (ru) | 2014-09-27 |
US9266544B2 (en) | 2016-02-23 |
BRPI1014647A2 (pt) | 2016-04-12 |
BRPI1014647B1 (pt) | 2019-10-01 |
FR2945013B1 (fr) | 2016-08-12 |
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