EP3536579A1 - Method for controlling rail vehicles, associated device and system - Google Patents

Method for controlling rail vehicles, associated device and system Download PDF

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Publication number
EP3536579A1
EP3536579A1 EP19159137.9A EP19159137A EP3536579A1 EP 3536579 A1 EP3536579 A1 EP 3536579A1 EP 19159137 A EP19159137 A EP 19159137A EP 3536579 A1 EP3536579 A1 EP 3536579A1
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EP
European Patent Office
Prior art keywords
beacon
message
beacons
railway vehicle
control device
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Granted
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EP19159137.9A
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German (de)
French (fr)
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EP3536579B1 (en
Inventor
Andre RADOMIAK
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Alstom Transport Technologies SAS
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Alstom Transport Technologies SAS
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Publication of EP3536579A1 publication Critical patent/EP3536579A1/en
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    • 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
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
    • 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
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
    • 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
    • B61L2027/202—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using European Train Control System [ETCS]

Definitions

  • the present invention relates to the field of control of railway vehicles.
  • the signaling of a railway is based on signaling equipment of various kinds, for example traffic lights arranged on the edge of the track, giving visual information to the driver of the vehicle.
  • There are still signaling equipment including the automatic regulation of the behavior of the vehicle via telecommunication, an on-board computer, control information provided by beacons arranged along the tracks and controlled by a control device.
  • Such a method is notably implemented in level 1 of the ETCS standard, which stands for the European Train Control System.
  • Such a group of beacons makes it possible to deliver to the railway vehicle complex messages larger than the size of the data transmitted by a single beacon, by distributing them in several successive portions, each portion being transmitted by a respective beacon.
  • the delivered messages are refreshed regularly by the control device during the reception of signaling information by the control device.
  • undesirable operation of the control method may occur when a train, and more particularly a slow train, passes over such a group of beacons and a first message is replaced by a second message during this passage: the receiving block embedded wireless may then be led to read for example a portion of the first message and a portion of the second message; it is then detected that there is inconsistency in the received message and a braking is triggered, which of course impedes the fluidity and the full use of traffic on the tracks.
  • an option has been defined in the ETCS standard to prevent an ETCS telegram sent by a beacon from being missed by a train running at high speed in the event that the telegram contents change while the receiving block Embedded wire is reading it.
  • the electronic ETCS beacon control unit named LEU ETCS for the corresponding English expression "Lineside Electronic Unit”
  • receives from a beacon via the C4 interface standardized by the ETCS, a signal indicating the passage of the train, it "freezes" any change of telegram on this beacon during a determined time.
  • this option does not solve the problem noted above.
  • the invention proposes a method for controlling railway vehicles of the aforementioned type, characterized in that, upon receipt of said data, the control device freezes, for a given time, any transmission to said first and second beacons, signaling messages for railway vehicles other than said first message.
  • the invention thus makes it possible to reduce the reception by the railway vehicle of messages composed of incoherent portions of messages, causing the automatic braking of the railway vehicle and thus disturbing the fluidity of the rail traffic.
  • the present invention proposes a beacon control device for controlling railway vehicles traveling on at least one lane, said steering device being adapted to control at least a first beacon and a second beacon of a group of beacons.
  • wireless transmission beacons disposed successively along the track and able to communicate with a wireless reception unit on board the railway vehicle, said control device being adapted to determine a first signaling message intended for a railway vehicle, in signaling information function recently received by said device, said first message comprising at least a first message portion and a second message portion; said control device being adapted to transmit the first portion of the first message to the first beacon and the second portion of the first message to the second beacon, for selective transmission, by said first beacon, of the first portion of the first message and for selective transmission by the second beacon, said second portion of the first message; said control device being adapted to receive data indicating the passage of the railway vehicle at the level of the first beacon and being characterized in that the control device is adapted to, upon receipt of said data, freeze, for a given time, any transmission
  • the present invention provides a rail vehicle control system comprising a steering device according to the second aspect of the invention, and a group of wireless transmit beacons arranged successively along the track comprising at least a first beacon and a second beacon capable of communicating with a wireless reception block on board the railway vehicle and controlled by the control device, said first and second beacons being able to communicate with a wireless reception block on the vehicle rail; said first beacon being adapted to selectively transmit the first first message portion and the second beacon being adapted to selectively transmit said second first message portion.
  • the figure 1 represents a railway control system 20 in one embodiment of the invention, in the case considered compliant with the ETCS standard and for providing information and movement authorities to computers onboard railway vehicles.
  • the rail control system 20 comprises a lateral ETCS 3 electronic control unit for beacons and in particular eurobalises, called LEU 3 or control device, a signal interlocking unit 1, group 5 of two ETCS 4 and 4b ETCs arranged on the ground also called beacons thereafter.
  • Eurobalises 4 and 4b, called beacons below, are both arranged between the rails of a railway track 8, the beacon 4 being arranged before the beacon 4b according to the direction of traffic on the track 8 considered here.
  • Each of the tags participates in sending a message to the railway vehicle, the part sent by a tag is called a telegram.
  • the invention relates to the case of large messages such that the variable part of a message can not be inserted into a single telegram, and is thus distributed in the contents of several telegrams.
  • a message thus comprises several telegrams ordered according to a determined order. It is issued by beacons close to each other, but arranged successively along the path and forming a group of beacons, such as group 5: each telegram of the message is transmitted by a beacon respectively.
  • the order of the tags respects the order of the telegrams (in another embodiment, the order of the tags is not necessarily the order of the telegrams in the message, and then the order telegrams can be reconstructed by a serial number in the header of each telegram).
  • the beacons 4 and 4b are connected to the LEU 3 by connections 21, 21b, for example wired, and the LEU 3 is, in the example in question, connected to the interlocking block of the signaling 1 by a connection 22.
  • These connections 21 , 21b, 22 are, for example, wired and make it possible to implement the communications described below.
  • the interlocking block of the signaling 1 is further connected by a connection 23 to a tricolor signaling light 2 disposed on the edge of the path near the beacons 4 and 4b.
  • the rail control system 20 further comprises an onboard unit 6, called OBU 6 (acronym for "On Board Unit”), installed in a railway vehicle 12, in the case considered a train, circulating on the track 8, and a antenna unit 7, it also boarded the train 12.
  • OBU 6 onboard unit
  • On Board Unit an onboard unit 6
  • the signaling unit 1 of the signaling block is therefore adapted to both control the light 2 via the connection 23 and to transmit to the LEU 3 the data relating to the signaling of the fire 2 thus controlled (for example, descriptive data of the commanded signaling) via the connection 22.
  • the LEU 3 is connected to the connection 23 via the connection 22 in order to recover the data relating to the signaling of the light 2.
  • Each beacon 4, 4b is adapted to transmit a telegram in ETCS format comprising data of a given maximum volume and composed of a header and a telegram body.
  • the LEU 3 transmits, continuously in the embodiment in question, a respective telegram to be transmitted to the beacons 4 and 4b respectively. Each tag is then able to transmit the telegram corresponding to the train when it passes close to the tag as explained below.
  • the beacon 4, respectively 4b is a so-called transparent beacon, that is to say that unlike a so-called fixed beacon, it is adapted, while continuing to function nominally, to continuously change the telegram transmitted, LEU 3 command function indicating the an updated telegram to be transmitted and received via the connection 21, 21b, for example permanent, connecting it to the LEU.
  • the telegram sent by the beacon 4, 4b is the updated telegram.
  • the on-board antenna unit 7 is adapted to generate a magnetic field produced in a transmission loop of the antenna unit.
  • a beacon 4, respectively 4b comprises a transponder adapted to transmit, by radiofrequency, a telegram received from the LEU 3.
  • each beacon is capable of storing a plurality of telegrams and of transmitting a telegram according to commands from the LEU 3 indicating the telegram to be sent.
  • the magnetic field produced by the unit antenna 7 induces a voltage in a receiving loop of the beacon leading to the activation of the beacon which generates a magnetic field, which is detected by the antenna unit 7.
  • a determined threshold this which corresponds substantially to the passage of the antenna unit on the beacon
  • the beacon 4, respectively 4b is adapted to transmit radiofrequency, continuously as long as the voltage is greater than this threshold, the telegram received from the LEU 3 and is further adapted to send to the LEU a signal here called "train presence signal”, and also continuously as long as the voltage is greater than this threshold.
  • This "train presence signal” is transmitted via an interface C4 of the connection 21, respectively 21b, connecting the LEU 3 and the beacon 4, respectively 4b.
  • the antenna unit 7 is adapted to receive the telegrams transmitted by the ECTS beacons on which it passes and to transmit them to the OBU 6.
  • the antenna unit 7 can thus receive several times the same telegram transmitted by the beacon 4, respectively 4b, especially when the train is traveling slowly at these beacons.
  • the OBU 6 is adapted to extract the information of a received ETCS message supplied to it by the antenna unit 7, to analyze it and to deduce, according to this information, a control command of the train, for example a speed of movement to be adopted by the associated train possibly at a distance on which to adopt this speed of circulation, a braking curve to be adopted by the train, an emergency braking ...
  • This command is according to the case implementation automatically or proposed to the driver of the train.
  • OBU 6 verifies that it has indeed received N telegrams, that these N telegrams are indeed coherent, ie that they are part of same message; the OBU 6 also verifies that the message is complete, ie that the N telegrams constitute the entirety of the message, then it reconstitutes the message by agglomerating the telegrams in the order indicated by their header. If one of these checks is not conclusive, the message is rejected by the OBU 6, which in some cases then commands a braking or emergency braking, given the lack of signaling information. exploitable.
  • N is chosen equal to 2.
  • the interlocking block of the signaling 1 controls the signaling displayed by the light 2 via the connection 23 and transmits the data 11 describing this signaling of the light 2 to the LEU 3 via the connection 22.
  • the LEU 3 elaborates according to these data 11 a message cut into two successive telegrams ETCS, the first of these telegrams is the telegram 9, the second of these telegrams is the telegram 9b.
  • Each of these telegrams contains, among other things, in its header the same message identifier, as well as, in some embodiments, the order number of the telegram (No. 1/2 for telegram 9, number 2 / 2 for telegram 9b).
  • the LEU 2 transmits the telegram 9 via the connection 21 to the beacon 4, and the telegram 9b via the connection 21b to the beacon 4b.
  • the train 12, equipped with its OBU 6 and the antenna unit 7, circulates on track 8 in the direction considered.
  • the antenna unit 7 passes on the beacon 4, the latter detects this passage by the voltage generated by the magnetic field of the antenna unit 7 and following this detection, on the one hand, the beacon 4 transmits by radio the telegram 9 and, on the other hand, sends the LEU 3 a "train presence signal" 10 via the connection 21.
  • this signal is the "Output Blocking signal" of the C4 interface in ETCS / SUBSET036 standardization.
  • the telegram 9 is, as the case may be, transmitted several times by the beacon 4.
  • the antenna unit 7 of the train 12 receives the telegram 9 (several times as the case may be) and supplies it to the OBU 6.
  • a step 102 upon receipt of the "train presence signal" 10, and only because the beacon 4 is, in group 5, the first beacon encountered by the train 12 in the direction considered, the LEU 3 arms a time counter for a predetermined duration T, and delays until the end of the time T, any change of message and therefore any change of the telegrams to be transmitted by the beacons of the group 5 whose beacon 4 is part, even if the LEU 3 receives updated data 11 from signaling from the interlocking block of signaling 1 indicating a change in signaling or traffic on the track or beyond.
  • the antenna unit 7 passes on the beacon 4b, the beacon 4b on the one hand transmits by telegram the telegram 9b as selected in step 101 and on the other hand on the other hand, it also sends the LEU 3 a "train presence signal" 13 via the interface C4 the connection 21b.
  • the telegram 9b is, as the case may be, sent several times by the beacon 4b.
  • the antenna unit 7 of the train 12 receives the telegram 9b (it can be received several times depending on the case) and provides it to the OBU 6.
  • the freeze, hitherto maintained by the LEU 3 changes telegrams to be transmitted by the tags 4 and 4b is terminated: thus, if updated signaling definition data 11 has been transmitted to the LEU 3 by the signaling interlocking block 1 since the switching on of the counter or after the lapse of time T, the LEU 3 elaborates on the basis of the latter data 11 a message, including the development of the first telegram and the second telegram of which it is composed.
  • the LEU 3 transmits the first telegram to the beacon 4, and the LEU 3 transmits the second telegram to the beacon 4b, with a view to their radio transmission at the next train passage, provided that these telegrams have not been changed meanwhile. by the LEU 3.
  • the freezing of the telegram changes is necessarily stopped and the telegrams are updated, even if the "train presence signal" is still transmitted by the beacon 4. After this update, if the "train presence signal” is again transmitted by the beacon 4, a new gel is implemented during the time T, with the same conditions.
  • the present invention thus allows a railway vehicle to read the entire message whose content is distributed over several tags, even if the railway vehicle is traveling slowly.
  • the group of tags has two switchable tags.
  • the number of switchable beacons is any number N strictly greater than two, and according to the invention, it is then proceeded to the delay of any change of telegrams emitted by these N beacons during the time T determined after receiving the "train presence signal" transmitted by the first beacon.
  • the beacon group further includes fixed beacons, which transmit a telegram that is part of the global message.
  • the determined time corresponds to the time required for the vehicle to pass over all the tags of group 5.
  • the gel previously maintained by the LEU 3
  • changes telegrams to emit by tags 4 and 4b is completed.
  • updated signaling definition data 11 has been transmitted to the LEU 3 by the signaling unit 1 since the franking of the telegrams has started, the LEU 3 generates a message according to the latter data 11. including the preparation of the first telegram and the second telegram of which it is composed.
  • the LEU 3 transmits the first telegram to the beacon 4, and the LEU 3 transmits the second telegram to the beacon 4b, with a view to their radio transmission at the next train passage, provided that these telegrams have not been changed meanwhile. by the LEU 3.
  • a fixed maximum time of change freeze telegrams is fixed and the telegram change frost triggered after the LEU has already received the "train presence signal" 10 ends either when the maximum time determined is elapsed, ie upon reception by the LEU 3 of the "train presence signal” 13 if such an event occurs before the maximum time has elapsed.
  • the rail control system 20 described above in one embodiment of the invention is in accordance with the ETCS standard.
  • the invention can be implemented independently of this standard, for example with non-remote-powered beacons, with a beacon control device, corresponding in the case described in LEU 3, not controlled by a trigger block 1 etc.
  • the value of T could be chosen between 0.5 second (s) and 2 s.
  • the duration T will be adjusted precisely during the engineering of the railway line so that the messages sent are not relative to previous trains.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Procédé de contrôle de véhicules ferroviaires (12), une première et une deuxième balises (4, 4b) étant disposées successivement le long d'une voie, comprenant :- détermination par un dispositif de pilotage, en fonction d'informations de signalisation dernièrement reçues, d'un message de signalisation comprenant une première portion et une deuxième portion de message destiné à un véhicule ferroviaire,- transmission, par le dispositif de pilotage, de la première portion à la première balise et de la deuxième portion à la deuxième balise, pour émission sélective par ladite première balise, respectivement par la deuxième balise, de la première portion, respectivement de ladite deuxième portion, à destination d'un bloc de réception sans fil (7) embarqué sur le véhicule ferroviaire ; puis- réception, par le dispositif de pilotage, de données indiquant le passage du véhicule ferroviaire au niveau de la première balise ;le dispositif de pilotage gelant alors, pendant un temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation autres que ledit premier message.A method for controlling railway vehicles (12), a first and a second beacon (4, 4b) being arranged successively along a track, comprising: - determination by a steering device, as a function of recently received signaling information a signaling message comprising a first portion and a second message portion intended for a railway vehicle, - transmission, by the control device, of the first portion to the first marker and the second portion to the second marker, for selective transmission by said first beacon, respectively by the second beacon, of the first portion, respectively of said second portion, to a wireless receiving block (7) on board the railway vehicle; and receiving, by the control device, data indicating the passage of the railway vehicle at the level of the first beacon, the piloting device then freezing, for a determined time, any transmission to said first and second beacons, of other signaling messages. than said first message.

Description

La présente invention concerne le domaine du contrôle des véhicules ferroviaires. La signalisation d'une voie ferrée se base sur des équipements de signalisation de nature variée, par exemple des feux tricolores disposés sur le bord de la voie, donnant des informations visuelles au conducteur du véhicule. Il existe encore des équipements de signalisation permettant notamment la régulation automatique du comportement du véhicule via la télécommunication, à un calculateur embarqué, d'informations de pilotage fournies par des balises disposées le long des voies et pilotées par un dispositif de pilotage.The present invention relates to the field of control of railway vehicles. The signaling of a railway is based on signaling equipment of various kinds, for example traffic lights arranged on the edge of the track, giving visual information to the driver of the vehicle. There are still signaling equipment including the automatic regulation of the behavior of the vehicle via telecommunication, an on-board computer, control information provided by beacons arranged along the tracks and controlled by a control device.

Ainsi l'invention concerne plus particulièrement un procédé de contrôle de véhicules ferroviaires se déplaçant sur au moins une voie, selon lequel un groupe de balises d'émission sans fil disposées successivement le long de la voie comprend au moins une première balise et une deuxième balise pilotées par un dispositif de pilotage desdites balises, lesdites première et deuxième balises étant aptes à communiquer avec un bloc de réception sans fil embarqué sur le véhicule ferroviaire, ledit procédé comprenant les étapes suivantes :

  • détermination, par le dispositif de pilotage, d'un premier message de signalisation destiné à un véhicule ferroviaire, en fonction d'informations de signalisation dernièrement reçues, ledit premier message comprenant au moins une première portion de message et une deuxième portion de message ;
  • transmission, par le dispositif de pilotage, de la première portion de premier message à la première balise et de la deuxième portion de premier message à la deuxième balise, pour émission sélective, par ladite première balise, de la première portion de premier message et pour émission sélective par la deuxième balise, de ladite deuxième portion de premier message ;
  • puis réception, par le dispositif de pilotage, de données indiquant le passage du véhicule ferroviaire au niveau de la première balise ;
Thus, the invention more particularly relates to a method for controlling railway vehicles traveling on at least one track, according to which a group of wireless emission beacons arranged successively along the track comprises at least a first beacon and a second beacon. driven by a device for controlling said beacons, said first and second beacons being able to communicate with a wireless reception block on board the railway vehicle, said method comprising the following steps:
  • determining, by the control device, a first signaling message intended for a railway vehicle, as a function of recently received signaling information, said first message comprising at least a first message portion and a second message portion;
  • transmission, by the control device, of the first portion of the first message to the first beacon and the second portion of the first message to the second beacon, for selective transmission, by said first beacon, of the first portion of the first message and for selective transmission by the second beacon of said second portion of the first message;
  • then receiving, by the driving device, data indicating the passage of the railway vehicle at the level of the first beacon;

Un tel procédé est notamment mis en oeuvre dans le niveau 1 de la norme ETCS, acronyme de l'expression anglaise « European Train Control System ».Such a method is notably implemented in level 1 of the ETCS standard, which stands for the European Train Control System.

Un tel groupe de balises permet de délivrer au véhicule ferroviaire des messages complexes de taille supérieure à la taille des données transmissibles par une seule balise, en les distribuant en plusieurs portions successives, chaque portion étant émise par une balise respective. Les messages délivrés sont rafraîchis régulièrement par le dispositif de pilotage au fil de la réception d'informations de signalisation par le dispositif de pilotage.Such a group of beacons makes it possible to deliver to the railway vehicle complex messages larger than the size of the data transmitted by a single beacon, by distributing them in several successive portions, each portion being transmitted by a respective beacon. The delivered messages are refreshed regularly by the control device during the reception of signaling information by the control device.

Toutefois, un fonctionnement indésirable du procédé de contrôle peut survenir lorsqu'un train, et plus particulièrement un train lent, passe sur un tel groupe de balises et qu'un premier message est remplacé par un deuxième message pendant ce passage : le bloc de réception sans fil embarqué peut alors être amené à lire par exemple une portion du premier message et une portion du deuxième message ; il est alors détecté qu'il y a incohérence dans le message reçu et un freinage est déclenché, ce qui bien sûr nuit à la fluidité et à la pleine exploitation de circulation sur les voies.However, undesirable operation of the control method may occur when a train, and more particularly a slow train, passes over such a group of beacons and a first message is replaced by a second message during this passage: the receiving block embedded wireless may then be led to read for example a portion of the first message and a portion of the second message; it is then detected that there is inconsistency in the received message and a braking is triggered, which of course impedes the fluidity and the full use of traffic on the tracks.

Par ailleurs, il a été défini une option dans le standard ETCS pour éviter qu'un télégramme ETCS envoyé par une balise ne soit manqué par un train circulant à grande vitesse dans le cas où le contenu du télégramme change pendant que le bloc de réception sans fil embarqué est en train de le lire. Selon cette option, quand l'unité électronique latérale ETCS de contrôle des balises, nommée LEU ETCS pour l'expression anglaise correspondante « Lineside Electronic Unit », reçoit d'une balise, via l'interface C4 standardisée par l'ETCS, un signal indiquant le passage du train, elle « gèle » tout changement de télégramme sur cette balise pendant un temps déterminé. Cette option ne règle toutefois pas le problème indiqué ci-dessus.Furthermore, an option has been defined in the ETCS standard to prevent an ETCS telegram sent by a beacon from being missed by a train running at high speed in the event that the telegram contents change while the receiving block Embedded wire is reading it. According to this option, when the electronic ETCS beacon control unit, named LEU ETCS for the corresponding English expression "Lineside Electronic Unit", receives from a beacon, via the C4 interface standardized by the ETCS, a signal indicating the passage of the train, it "freezes" any change of telegram on this beacon during a determined time. However, this option does not solve the problem noted above.

A cet effet, suivant un premier aspect, l'invention propose un procédé de contrôle de véhicules ferroviaires du type précité caractérisé en ce que, dès réception desdites données, le dispositif de pilotage gèle, pendant un temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message.For this purpose, according to a first aspect, the invention proposes a method for controlling railway vehicles of the aforementioned type, characterized in that, upon receipt of said data, the control device freezes, for a given time, any transmission to said first and second beacons, signaling messages for railway vehicles other than said first message.

L'invention permet ainsi de réduire la réception par le véhicule ferroviaire de messages composés de portions de messages incohérentes, provoquant le freinage automatique du véhiculaire ferroviaire et donc perturbant la fluidité de la circulation ferroviaire.The invention thus makes it possible to reduce the reception by the railway vehicle of messages composed of incoherent portions of messages, causing the automatic braking of the railway vehicle and thus disturbing the fluidity of the rail traffic.

Dans des modes de réalisation, le procédé de contrôle de véhicules ferroviaires suivant l'invention comporte en outre une ou plusieurs des caractéristiques suivantes :

  • le dispositif de pilotage reçoit des informations de signalisation actualisées postérieurement à la réception desdites données, retarde jusqu'à la fin du temps déterminé, la transmission auxdites première et deuxième balises, d'un message de signalisation déterminé en fonction desdites informations de signalisation actualisées et destiné aux véhicules ferroviaires, et transmet, dès la fin du temps déterminé, auxdites première et deuxième balises, le message de signalisation déterminé en fonction desdites informations de signalisation actualisées, même en cas de données actualisées reçues indiquant encore le passage du véhicule ferroviaire au niveau de la première balise ;
  • lesdites données indiquant le passage du véhicule ferroviaire sont transmises au dispositif de pilotage par la première balise dès détection, par ladite première balise, du passage du train ;
  • la première balise est localisée avant la deuxième balise selon un sens de circulation considéré sur ladite voie, et le dispositif de pilotage gèle, pendant le temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message seulement s'il n'y a pas eu réception préalable, par le dispositif de pilotage, de données indiquant le passage dudit véhicule ferroviaire au niveau de la deuxième balise ;
  • les premières et secondes balises sont des eurobalises ECTS, le dispositif de pilotage est une unité électronique latérale ECTS et le bloc de réception sans fil embarqué est l'unité d'antenne embarquée ECTS.
In embodiments, the railway vehicle control method according to the invention further comprises one or more of the following features:
  • the control device receives signaling information updated after receipt of said data, delays until the end of the determined time, the transmission to said first and second beacons, of a signaling message determined according to said updated signaling information and intended for railway vehicles, and transmits, at the end of the time determined, to said first and second beacons, the signaling message determined according to said updated signaling information, even in the case of updated data received indicating still the passage of the railway vehicle at the level of the first tag;
  • said data indicating the passage of the railway vehicle are transmitted to the control device by the first beacon upon detection by said first beacon of the passage of the train;
  • the first beacon is located before the second beacon according to a direction of traffic considered on said lane, and the steering device freezes, during the determined time, any transmission to said first and second beacons of signaling messages intended for railway vehicles other than said first message only if there has been no prior receipt by the control device of data indicating the passage of said railway vehicle at the level of the second beacon;
  • the first and second beacons are ECTS Eurobalises, the control device is an ECTS lateral electronic unit and the onboard wireless reception block is the ECTS onboard antenna unit.

Suivant un deuxième aspect, la présente invention propose un dispositif de pilotage de balises pour contrôler des véhicules ferroviaires se déplaçant sur au moins une voie, ledit dispositif de pilotage étant adapté pour piloter au moins une première balise et une deuxième balise d'un groupe de balises d'émission sans fil disposées successivement le long de la voie et aptes à communiquer avec un bloc de réception sans fil embarqué sur le véhicule ferroviaire, ledit dispositif de pilotage étant adapté pour déterminer un premier message de signalisation destiné à un véhicule ferroviaire, en fonction d'informations de signalisation dernièrement reçues par ledit dispositif, ledit premier message comprenant au moins une première portion de message et une deuxième portion de message ;
ledit dispositif de pilotage étant adapté pour transmettre la première portion de premier message à la première balise et la deuxième portion de premier message à la deuxième balise, pour émission sélective, par ladite première balise, de la première portion de premier message et pour émission sélective par la deuxième balise, de ladite deuxième portion de premier message ;
ledit dispositif de pilotage étant adapté pour recevoir des données indiquant le passage du véhicule ferroviaire au niveau de la première balise et étant caractérisé en ce que le dispositif de pilotage est adapté pour, dès réception desdites données, geler, pendant un temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message.According to a second aspect, the present invention proposes a beacon control device for controlling railway vehicles traveling on at least one lane, said steering device being adapted to control at least a first beacon and a second beacon of a group of beacons. wireless transmission beacons disposed successively along the track and able to communicate with a wireless reception unit on board the railway vehicle, said control device being adapted to determine a first signaling message intended for a railway vehicle, in signaling information function recently received by said device, said first message comprising at least a first message portion and a second message portion;
said control device being adapted to transmit the first portion of the first message to the first beacon and the second portion of the first message to the second beacon, for selective transmission, by said first beacon, of the first portion of the first message and for selective transmission by the second beacon, said second portion of the first message;
said control device being adapted to receive data indicating the passage of the railway vehicle at the level of the first beacon and being characterized in that the control device is adapted to, upon receipt of said data, freeze, for a given time, any transmission said first and second beacons, signaling messages for railway vehicles other than said first message.

Suivant un troisième aspect, la présente invention propose un système de contrôle de véhicules ferroviaires comprenant un dispositif de pilotage suivant le deuxième aspect de l'invention, et un groupe de balises d'émission sans fil disposées successivement le long de la voie comprenant au moins une première balise et une deuxième balise aptes à communiquer avec un bloc de réception sans fil embarqué sur le véhicule ferroviaire et pilotées par le dispositif de pilotage, lesdites première et deuxième balises étant aptes à communiquer avec un bloc de réception sans fil embarqué sur le véhicule ferroviaire ; ladite première balise étant adaptée pour émettre sélectivement la première portion de premier message et la deuxième balise étant adaptée pour émettre sélectivement ladite deuxième portion de premier message.According to a third aspect, the present invention provides a rail vehicle control system comprising a steering device according to the second aspect of the invention, and a group of wireless transmit beacons arranged successively along the track comprising at least a first beacon and a second beacon capable of communicating with a wireless reception block on board the railway vehicle and controlled by the control device, said first and second beacons being able to communicate with a wireless reception block on the vehicle rail; said first beacon being adapted to selectively transmit the first first message portion and the second beacon being adapted to selectively transmit said second first message portion.

Ces caractéristiques et avantages de l'invention apparaîtront à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple, et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 représente une vue schématique d'un système de contrôle ferroviaire dans un mode de réalisation de l'invention ;
  • la figure 2 est un organigramme d'étapes mises en oeuvre dans un mode de réalisation de l'invention.
These features and advantages of the invention will appear on reading the description which follows, given solely by way of example, and with reference to the appended drawings, in which:
  • the figure 1 is a schematic view of a railway control system in one embodiment of the invention;
  • the figure 2 is a flowchart of steps implemented in one embodiment of the invention.

La figure 1 représente un système de contrôle ferroviaire 20 dans un mode de réalisation de l'invention, dans le cas considéré conforme à la norme ETCS et permettant de fournir de l'information et des autorités de mouvement à des ordinateurs embarqués à bord de véhicules ferroviaires.The figure 1 represents a railway control system 20 in one embodiment of the invention, in the case considered compliant with the ETCS standard and for providing information and movement authorities to computers onboard railway vehicles.

Le système de contrôle ferroviaire 20 comprend une unité électronique latérale ETCS 3 de contrôle de balises et notamment d'eurobalises, nommée LEU 3 ou dispositif de pilotage, un bloc d'enclenchement de la signalisation 1 (en anglais « interlocking unit »), un groupe 5 de deux eurobalises ETCS 4 et 4b disposés au sol également appelées balises par la suite. Les eurobalises 4 et 4b, appelées balises ci-après, sont disposées toutes deux entre les rails d'une voie ferroviaire 8, la balise 4 étant disposée avant la balise 4b selon le sens de circulation sur la voie 8 considéré ici.The rail control system 20 comprises a lateral ETCS 3 electronic control unit for beacons and in particular eurobalises, called LEU 3 or control device, a signal interlocking unit 1, group 5 of two ETCS 4 and 4b ETCs arranged on the ground also called beacons thereafter. Eurobalises 4 and 4b, called beacons below, are both arranged between the rails of a railway track 8, the beacon 4 being arranged before the beacon 4b according to the direction of traffic on the track 8 considered here.

Chacune des balises participe à l'envoi d'un message au véhicule ferroviaire, la partie envoyée par une balise est appelée télégramme.Each of the tags participates in sending a message to the railway vehicle, the part sent by a tag is called a telegram.

L'invention concerne le cas des messages volumineux tels que la partie variable d'un message ne peut être inséré dans un seul télégramme, et est ainsi distribué dans le contenu de plusieurs télégrammes. Un tel message comprend ainsi plusieurs télégrammes ordonnés selon un ordre déterminé. Il est émis par des balises proches les unes des autres, mais disposées successivement le long de la voie et formant un groupe de balises, tel le groupe 5 : chaque télégramme du message est émis par une balise respective. Dans le mode de réalisation considéré, l'ordre des balises respecte l'ordre des télégrammes (dans un autre mode de réalisation, l'ordre des balises n'est pas forcément l'ordre des télégrammes dans le message, et alors l'ordre des télégrammes peut être reconstitué par un n° d'ordre dans l'en-tête de chaque télégramme).The invention relates to the case of large messages such that the variable part of a message can not be inserted into a single telegram, and is thus distributed in the contents of several telegrams. Such a message thus comprises several telegrams ordered according to a determined order. It is issued by beacons close to each other, but arranged successively along the path and forming a group of beacons, such as group 5: each telegram of the message is transmitted by a beacon respectively. In the embodiment considered, the order of the tags respects the order of the telegrams (in another embodiment, the order of the tags is not necessarily the order of the telegrams in the message, and then the order telegrams can be reconstructed by a serial number in the header of each telegram).

Les balises 4 et 4b sont connectées au LEU 3 par des connexions 21, 21b, par exemple filaires et le LEU 3 est, dans l'exemple considéré, connecté au bloc d'enclenchement de la signalisation 1 par une connexion 22. Ces connexions 21, 21b, 22 sont par exemple filaires et permettent de mettre en oeuvre les communications décrites ci-dessous. Dans le cas considéré, le bloc d'enclenchement de la signalisation 1 est en outre connecté par une connexion 23 à un feu tricolore de signalisation 2 disposé sur le bord de la voie à proximité des balises 4 et 4b.The beacons 4 and 4b are connected to the LEU 3 by connections 21, 21b, for example wired, and the LEU 3 is, in the example in question, connected to the interlocking block of the signaling 1 by a connection 22. These connections 21 , 21b, 22 are, for example, wired and make it possible to implement the communications described below. In the case considered, the interlocking block of the signaling 1 is further connected by a connection 23 to a tricolor signaling light 2 disposed on the edge of the path near the beacons 4 and 4b.

Le système de contrôle ferroviaire 20 comprend en outre une unité embarquée 6, nommée OBU 6 (acronyme anglais de « On Board Unit »), installée dans un véhicule ferroviaire 12, dans le cas considéré un train, circulant sur la voie 8, et une unité d'antenne 7, elle aussi embarquée à bord du train 12.The rail control system 20 further comprises an onboard unit 6, called OBU 6 (acronym for "On Board Unit"), installed in a railway vehicle 12, in the case considered a train, circulating on the track 8, and a antenna unit 7, it also boarded the train 12.

Dans le cas considéré, le bloc d'enclenchement de la signalisation 1 est donc adapté pour à la fois commander le feu 2 via la connexion 23 et pour transmettre au LEU 3 les données relatives à la signalisation du feu 2 ainsi commandée (par exemple, des données descriptives de la signalisation commandée) via la connexion 22.In the case considered, the signaling unit 1 of the signaling block is therefore adapted to both control the light 2 via the connection 23 and to transmit to the LEU 3 the data relating to the signaling of the fire 2 thus controlled (for example, descriptive data of the commanded signaling) via the connection 22.

Le LEU 3 est adapté pour élaborer en fonction de ces données un message découpé en N (N≥2), ici, N=2, télégrammes ETCS successifs. Puis le LEU 2 transmet chacun de ces 2 télégrammes à la balise à laquelle il est destiné. Chacune des balises du groupe 5 a ainsi un télégramme distinct à émettre.The LEU 3 is adapted to elaborate according to these data a message cut in N (N≥2), here, N = 2, successive telegrams ETCS. Then LEU 2 transmits each of these 2 telegrams to the beacon for which it is intended. Each of the beacons of group 5 thus has a separate telegram to be sent.

En variante le LEU 3 est connecté à la connexion 23 via la connexion 22 afin de récupérer les données relatives à la signalisation du feu 2.In a variant, the LEU 3 is connected to the connection 23 via the connection 22 in order to recover the data relating to the signaling of the light 2.

Chaque balise 4, 4b, est adaptée pour émettre un télégramme au format ETCS comportant des données d'un volume maximal donné et composé d'un en-tête et d'un corps de télégramme.Each beacon 4, 4b is adapted to transmit a telegram in ETCS format comprising data of a given maximum volume and composed of a header and a telegram body.

Le LEU 3 transmet, en continu dans le mode de réalisation considéré, un télégramme respectif à émettre aux balises 4, respectivement 4b. Chaque balise est alors propre à transmettre le télégramme correspondant au train lorsque celui-ci passe à proximité de la balise comme cela est expliqué ci-dessous. La balise 4, respectivement 4b, est une balise dite transparente, c'est-à-dire qu'au contraire d'une balise dite fixe, elle est adaptée, tout en continuant à fonctionner nominalement, pour changer continuellement le télégramme émis, en fonction de commandes du LEU 3 indiquant le télégramme actualisé à émettre et reçues via la connexion 21, 21b, par exemple permanente, la reliant au LEU. Dès réception d'une telle commande indiquant le télégramme actualisé à émettre, le télégramme émis par la balise 4, 4b, est le télégramme actualisé.The LEU 3 transmits, continuously in the embodiment in question, a respective telegram to be transmitted to the beacons 4 and 4b respectively. Each tag is then able to transmit the telegram corresponding to the train when it passes close to the tag as explained below. The beacon 4, respectively 4b, is a so-called transparent beacon, that is to say that unlike a so-called fixed beacon, it is adapted, while continuing to function nominally, to continuously change the telegram transmitted, LEU 3 command function indicating the an updated telegram to be transmitted and received via the connection 21, 21b, for example permanent, connecting it to the LEU. Upon receipt of such a command indicating the updated telegram to be sent, the telegram sent by the beacon 4, 4b, is the updated telegram.

L'unité d'antenne 7 embarquée est adaptée pour générer un champ magnétique, produit dans une boucle de transmission de l'unité d'antenne.The on-board antenna unit 7 is adapted to generate a magnetic field produced in a transmission loop of the antenna unit.

Dans le cas considéré, une balise 4, respectivement 4b, comporte un transpondeur adapté pour émettre, par radiofréquence, un télégramme reçu du LEU 3.In the case considered, a beacon 4, respectively 4b, comprises a transponder adapted to transmit, by radiofrequency, a telegram received from the LEU 3.

En variante chaque balise est propre à mémoriser une pluralité de télégrammes et à transmettre un télégramme en fonction de commandes du LEU 3 indiquant le télégramme à émettre.In a variant, each beacon is capable of storing a plurality of telegrams and of transmitting a telegram according to commands from the LEU 3 indicating the telegram to be sent.

Lorsque la balise 4, respectivement 4b, et l'unité d'antenne 7 se retrouvent à proximité l'une de l'autre (sensiblement quand le train 12 passe au-dessus de la balise), le champ magnétique produit par l'unité d'antenne 7 induit une tension dans une boucle de réception de la balise menant à l'activation de la balise qui génère un champ magnétique, qui est détecté par l'unité d'antenne 7. Quand la tension dépasse un seuil déterminé (ce qui correspond sensiblement au passage de l'unité d'antenne sur la balise), la balise 4, respectivement 4b, est adaptée pour émettre par radiofréquence, de façon continue tant que la tension est supérieure à ce seuil, le télégramme reçu du LEU 3 et est en outre adaptée pour envoyer au LEU un signal nommé ici « signal présence train », et ce également de façon continue tant que la tension est supérieure à ce seuil. Ce « signal présence train » est transmis par une interface C4 de la connexion 21, respectivement 21b, reliant le LEU 3 et la balise 4, respectivement 4b.When the beacon 4, respectively 4b, and the antenna unit 7 are found close to each other (substantially when the train 12 passes above the beacon), the magnetic field produced by the unit antenna 7 induces a voltage in a receiving loop of the beacon leading to the activation of the beacon which generates a magnetic field, which is detected by the antenna unit 7. When the voltage exceeds a determined threshold (this which corresponds substantially to the passage of the antenna unit on the beacon), the beacon 4, respectively 4b, is adapted to transmit radiofrequency, continuously as long as the voltage is greater than this threshold, the telegram received from the LEU 3 and is further adapted to send to the LEU a signal here called "train presence signal", and also continuously as long as the voltage is greater than this threshold. This "train presence signal" is transmitted via an interface C4 of the connection 21, respectively 21b, connecting the LEU 3 and the beacon 4, respectively 4b.

L'unité d'antenne 7 est adaptée pour recevoir les télégrammes émis par les balises ECTS sur lesquelles elle passe et pour les transmettre à l'OBU 6.The antenna unit 7 is adapted to receive the telegrams transmitted by the ECTS beacons on which it passes and to transmit them to the OBU 6.

L'unité d'antenne 7 peut ainsi recevoir plusieurs fois le même télégramme émis par la balise 4, respectivement 4b, notamment lorsque le train circule lentement au niveau de ces balises.The antenna unit 7 can thus receive several times the same telegram transmitted by the beacon 4, respectively 4b, especially when the train is traveling slowly at these beacons.

L'OBU 6 est adaptée pour extraire l'information d'un message ETCS reçu qui lui a été fourni par l'unité d'antenne 7, pour l'analyser et pour déduire, en fonction de cette information, une commande de pilotage du train, par exemple une vitesse de circulation à adopter par le train associée éventuellement à une distance sur laquelle adopter cette vitesse de circulation, une courbe de freinage à adopter par le train, un freinage d'urgence... Cette commande est selon les cas mise en oeuvre automatiquement ou bien proposée au conducteur du train.The OBU 6 is adapted to extract the information of a received ETCS message supplied to it by the antenna unit 7, to analyze it and to deduce, according to this information, a control command of the train, for example a speed of movement to be adopted by the associated train possibly at a distance on which to adopt this speed of circulation, a braking curve to be adopted by the train, an emergency braking ... This command is according to the case implementation automatically or proposed to the driver of the train.

Dans le cas d'un message constitué de N télégrammes, pendant l'analyse mentionnée ci-dessus, l'OBU 6 vérifie qu'il a bien reçu N télégrammes, que ces N télégrammes sont bien cohérents, i.e. qu'ils font partie du même message ; l'OBU 6 vérifie également que le message est complet, i.e. que les N télégrammes constituent la globalité du message, puis il reconstitue le message en agglomérant les télégrammes dans l'ordre indiqué par leur en-tête. Si l'une de ces vérifications n'est pas concluante, le message est rejeté par l'OBU 6, qui, dans certains cas, commande alors un freinage, voire un freinage d'urgence, au vu du manque d'informations de signalisation exploitables.In the case of a message consisting of N telegrams, during the analysis mentioned above, OBU 6 verifies that it has indeed received N telegrams, that these N telegrams are indeed coherent, ie that they are part of same message; the OBU 6 also verifies that the message is complete, ie that the N telegrams constitute the entirety of the message, then it reconstitutes the message by agglomerating the telegrams in the order indicated by their header. If one of these checks is not conclusive, the message is rejected by the OBU 6, which in some cases then commands a braking or emergency braking, given the lack of signaling information. exploitable.

En référence à la figure 2, un ensemble d'étapes 100 est mis en oeuvre dans un mode de mise en oeuvre de l'invention où N est choisi égal à 2.With reference to the figure 2 a set of steps 100 is implemented in one embodiment of the invention where N is chosen equal to 2.

Dans une étape 101, le bloc d'enclenchement de la signalisation 1 commande la signalisation affichée par le feu 2 via la connexion 23 et transmet les données 11 descriptives de cette signalisation du feu 2 au LEU 3 via la connexion 22. Le LEU 3 élabore en fonction de ces données 11 un message découpé en deux télégrammes ETCS successifs, le premier de ces télégrammes est le télégramme 9, le deuxième de ces télégrammes est le télégramme 9b. Chacun de ces télégrammes comporte, entre autres, dans son en-tête un même identifiant de message, ainsi que, dans des modes de réalisation, le numéro d'ordre du télégramme (n°1/2 pour le télégramme 9, numéro 2/2 pour le télégramme 9b). Puis le LEU 2 transmet le télégramme 9 via la connexion 21 à la balise 4, et le télégramme 9b via la connexion 21b à la balise 4b.Le train 12, doté de son OBU 6 et de l'unité d'antenne 7, circule sur la voie 8 dans la direction considérée. Quand l'unité d'antenne 7 passe sur la balise 4, cette dernière détecte ce passage par la tension générée par le champ magnétique de l'unité d'antenne 7 et suite à cette détection, d'une part, la balise 4 émet par voie radio le télégramme 9 et, d'autre part, envoie au LEU 3 un « signal présence train » 10 via la connexion 21. Dans le mode de réalisation considéré, ce signal est le « Output Blocking signal » de l'interface C4 dans la normalisation ETCS/SUBSET036. Le télégramme 9 est selon les cas émis plusieurs fois par la balise 4. L'unité d'antenne 7 du train 12 reçoit le télégramme 9 (plusieurs fois selon les cas) et le fournit à l'OBU 6.In a step 101, the interlocking block of the signaling 1 controls the signaling displayed by the light 2 via the connection 23 and transmits the data 11 describing this signaling of the light 2 to the LEU 3 via the connection 22. The LEU 3 elaborates according to these data 11 a message cut into two successive telegrams ETCS, the first of these telegrams is the telegram 9, the second of these telegrams is the telegram 9b. Each of these telegrams contains, among other things, in its header the same message identifier, as well as, in some embodiments, the order number of the telegram (No. 1/2 for telegram 9, number 2 / 2 for telegram 9b). Then the LEU 2 transmits the telegram 9 via the connection 21 to the beacon 4, and the telegram 9b via the connection 21b to the beacon 4b. The train 12, equipped with its OBU 6 and the antenna unit 7, circulates on track 8 in the direction considered. When the antenna unit 7 passes on the beacon 4, the latter detects this passage by the voltage generated by the magnetic field of the antenna unit 7 and following this detection, on the one hand, the beacon 4 transmits by radio the telegram 9 and, on the other hand, sends the LEU 3 a "train presence signal" 10 via the connection 21. In the embodiment considered, this signal is the "Output Blocking signal" of the C4 interface in ETCS / SUBSET036 standardization. The telegram 9 is, as the case may be, transmitted several times by the beacon 4. The antenna unit 7 of the train 12 receives the telegram 9 (several times as the case may be) and supplies it to the OBU 6.

Dans une étape 102, dès réception du « signal présence train » 10, et seulement parce que la balise 4 est, dans le groupe 5, la première balise rencontrée par le train 12 dans la direction considérée, le LEU 3 arme un compteur de temps pour une durée prédéterminée T, et retarde jusqu'à la fin du temps T, tout changement de message et donc tout changement des télégrammes à émettre par les balises du groupe 5 dont la balise 4 fait partie, et ce même si le LEU 3 reçoit des données actualisées 11 de signalisation en provenance du bloc d'enclenchement de la signalisation 1 indiquant un changement quant à la signalisation ou à la circulation sur la voie ou au-delà.In a step 102, upon receipt of the "train presence signal" 10, and only because the beacon 4 is, in group 5, the first beacon encountered by the train 12 in the direction considered, the LEU 3 arms a time counter for a predetermined duration T, and delays until the end of the time T, any change of message and therefore any change of the telegrams to be transmitted by the beacons of the group 5 whose beacon 4 is part, even if the LEU 3 receives updated data 11 from signaling from the interlocking block of signaling 1 indicating a change in signaling or traffic on the track or beyond.

Quand ensuite au fil de l'avancement du train 12, l'unité d'antenne 7 passe sur la balise 4b, la balise 4b d'une part émet par voie radio le télégramme 9b comme sélectionné à l'étape 101 et d'autre part, elle envoie elle aussi au LEU 3 un « signal présence train » 13 via l'interface C4 la connexion 21b. Le télégramme 9b est selon les cas émis plusieurs fois par la balise 4b. L'unité d'antenne 7 du train 12 reçoit le télégramme 9b (il peut être reçu plusieurs fois selon les cas) et le fournit à l'OBU 6.When then, as the train 12 advances, the antenna unit 7 passes on the beacon 4b, the beacon 4b on the one hand transmits by telegram the telegram 9b as selected in step 101 and on the other hand on the other hand, it also sends the LEU 3 a "train presence signal" 13 via the interface C4 the connection 21b. The telegram 9b is, as the case may be, sent several times by the beacon 4b. The antenna unit 7 of the train 12 receives the telegram 9b (it can be received several times depending on the case) and provides it to the OBU 6.

L'OBU 6 vérifie que les deux télégrammes reçus sont bien cohérents, i.e. qu'ils font partie du même message, en fonction de l'identifiant de message contenu dans l'en-tête des télégrammes ; l'OBU 6 vérifie également que le message est complet, i.e. que les N=2 télégrammes constituent la globalité du message, toujours à l'aide de l'en-tête des télégrammes, puis il reconstitue le message en agrégeant le contenu des corps des deux télégrammes 9 et 9b, en fonction des numéros d'ordre indiqués dans les en-têtes des télégrammes, puis élabore la commande de pilotage du train 12 en fonction des informations de signalisation indiquées dans le message reconstitué. Pendant tout le temps T, seuls les télégrammes 9 et 9b seront émis par les balises 4 et 4b.The OBU 6 verifies that the two telegrams received are coherent, i.e. they are part of the same message, depending on the message identifier contained in the header of the telegrams; the OBU 6 also verifies that the message is complete, ie that the N = 2 telegrams constitute the whole of the message, always using the header of the telegrams, then it reconstitutes the message by aggregating the contents of the bodies of the two telegrams 9 and 9b, according to the sequence numbers indicated in the telegram headers, then develops the command for controlling the train 12 according to the signaling information indicated in the reconstituted message. During all time T, only telegrams 9 and 9b will be transmitted by beacons 4 and 4b.

Dès que le temps T est écoulé à compter du « signal présence train » transmis par la première balise du groupe 5, dans une étape 103, le gel, jusqu'alors maintenu par le LEU 3, des changements de télégrammes à émettre par les balises 4 et 4b est terminé : ainsi, si des données 11 de définition de signalisation actualisées ont été transmises au LEU 3 par le bloc d'enclenchement de la signalisation 1 depuis l'enclenchement du compteur ou après l'écoulement du temps T, le LEU 3 élabore en fonction de ces dernières données 11 un message, comprenant l'élaboration du premier télégramme et du deuxième télégramme dont il est composé. Puis le LEU 3 transmet le premier télégramme à la balise 4, et le LEU 3 transmet le deuxième télégramme à la balise 4b, en vue de leur émission radio au prochain passage de train, sous réserve que ces télégrammes n'aient pas été changés entretemps par le LEU 3.As soon as the time T has elapsed from the "train presence signal" transmitted by the first beacon of the group 5, in a step 103, the freeze, hitherto maintained by the LEU 3, changes telegrams to be transmitted by the tags 4 and 4b is terminated: thus, if updated signaling definition data 11 has been transmitted to the LEU 3 by the signaling interlocking block 1 since the switching on of the counter or after the lapse of time T, the LEU 3 elaborates on the basis of the latter data 11 a message, including the development of the first telegram and the second telegram of which it is composed. Then the LEU 3 transmits the first telegram to the beacon 4, and the LEU 3 transmits the second telegram to the beacon 4b, with a view to their radio transmission at the next train passage, provided that these telegrams have not been changed meanwhile. by the LEU 3.

Dans le mode de réalisation considéré, à l'issue de la durée T, le gel des changements de télégrammes est forcément stoppé et les télégrammes sont mis à jour et ce même si le « signal présence train » est encore transmis par la balise 4. Après cette mise à jour, si le « signal présence train » est à nouveau transmis par la balise 4, un nouveau gel est mis en oeuvre pendant le temps T, avec les mêmes conditions.In the embodiment considered, at the end of the duration T, the freezing of the telegram changes is necessarily stopped and the telegrams are updated, even if the "train presence signal" is still transmitted by the beacon 4. After this update, if the "train presence signal" is again transmitted by the beacon 4, a new gel is implemented during the time T, with the same conditions.

Dans le mode de réalisation considéré, pour ne pas activer de manière erronée le gel des messages dans le cas d'un train circulant dans la direction inverse à celle considérée, il n'y a pas de gel du message (même s'il peut y subsister un gel du télégramme seul : cf. l'option du standard ECTS de l'art antérieur) déclenché sur réception d'un « signal présence train » de la 1ère balise dans la direction considérée si le LEU 3 reçoit d'abord un « signal présence train » d'une autre balise du groupe.In the embodiment considered, in order not to erroneously activate the message freeze in the case of a train traveling in the reverse direction to that considered, there is no freezing of the message (even if it can a gel of telegram only: cf. the standard option ECTS prior art) triggered on receipt of a "signal presence train" of 1 st beacon in the direction considered if the LEU 3 first receives a "presence signal train" of another group tag.

La présente invention permet ainsi à un véhicule ferroviaire de lire la totalité d'un message dont le contenu est réparti sur plusieurs balises, et ce même si le véhicule ferroviaire circule lentement.The present invention thus allows a railway vehicle to read the entire message whose content is distributed over several tags, even if the railway vehicle is traveling slowly.

Dans le mode de réalisation décrit ci-dessus, le groupe de balises comporte deux balises commutables. Dans d'autres modes de réalisation, le nombre de balises commutables est un nombre quelconque N strictement supérieur à deux, et selon l'invention, il est alors procédé au retardement de tout changement de télégrammes émis par ces N balises pendant le temps T déterminé après la réception du « signal présence train » transmis par la première balise. Dans un mode de réalisation, le groupe de balises comporte en outre des balises fixes, qui émettent un télégramme qui fait partie du message global.In the embodiment described above, the group of tags has two switchable tags. In other embodiments, the number of switchable beacons is any number N strictly greater than two, and according to the invention, it is then proceeded to the delay of any change of telegrams emitted by these N beacons during the time T determined after receiving the "train presence signal" transmitted by the first beacon. In one embodiment, the beacon group further includes fixed beacons, which transmit a telegram that is part of the global message.

Dans un mode de réalisation, le temps déterminé correspond au temps nécessaire pour que le véhicule passe au-dessus de l'ensemble des balises du groupe 5. En d'autres termes, dans un mode de réalisation, après que le LEU ait déjà reçu le « signal présence train » 10 et ait gelé tout changement de télégrammes émis par les N balises, dès réception par le LEU 3 du « signal présence train » 13, le gel, jusqu'alors maintenu par le LEU 3, des changements de télégrammes à émettre par les balises 4 et 4b est terminé. Ainsi, si des données 11 de définition de signalisation actualisées ont été transmises au LEU 3 par le bloc d'enclenchement de la signalisation 1 depuis l'enclenchement du gel des télégrammes, le LEU 3 élabore en fonction de ces dernières données 11 un message, comprenant l'élaboration du premier télégramme et du deuxième télégramme dont il est composé. Puis le LEU 3 transmet le premier télégramme à la balise 4, et le LEU 3 transmet le deuxième télégramme à la balise 4b, en vue de leur émission radio au prochain passage de train, sous réserve que ces télégrammes n'aient pas été changés entretemps par le LEU 3.In one embodiment, the determined time corresponds to the time required for the vehicle to pass over all the tags of group 5. In other words, in one embodiment, after the LEU has already received the "train presence signal" 10 and has frozen any change of telegrams emitted by the N beacons, upon receipt by the LEU 3 of the "train presence signal" 13, the gel, previously maintained by the LEU 3, changes telegrams to emit by tags 4 and 4b is completed. Thus, if updated signaling definition data 11 has been transmitted to the LEU 3 by the signaling unit 1 since the franking of the telegrams has started, the LEU 3 generates a message according to the latter data 11. including the preparation of the first telegram and the second telegram of which it is composed. Then the LEU 3 transmits the first telegram to the beacon 4, and the LEU 3 transmits the second telegram to the beacon 4b, with a view to their radio transmission at the next train passage, provided that these telegrams have not been changed meanwhile. by the LEU 3.

Dans un autre mode de réalisation, un temps maximal déterminé de gel de changement des télégrammes est fixé et le gel de changement des télégrammes enclenché après que le LEU ait déjà reçu le « signal présence train » 10 se termine soit lorsque le temps maximal déterminé est écoulé, soit dès réception par le LEU 3 du « signal présence train » 13 si un tel évènement arrive avant que le temps maximal soit écoulé.In another embodiment, a fixed maximum time of change freeze telegrams is fixed and the telegram change frost triggered after the LEU has already received the "train presence signal" 10 ends either when the maximum time determined is elapsed, ie upon reception by the LEU 3 of the "train presence signal" 13 if such an event occurs before the maximum time has elapsed.

Le système de contrôle ferroviaire 20 décrit ci-dessus dans un mode de réalisation de l'invention est conforme à la norme ETCS. Bien sûr, l'invention peut être mise en oeuvre indépendamment de cette norme, par exemple avec des balises non télé-alimentés, avec un dispositif de pilotage des balises, correspondant dans le cas décrit au LEU 3, non commandé par un bloc de déclenchement 1 etc.The rail control system 20 described above in one embodiment of the invention is in accordance with the ETCS standard. Of course, the invention can be implemented independently of this standard, for example with non-remote-powered beacons, with a beacon control device, corresponding in the case described in LEU 3, not controlled by a trigger block 1 etc.

Dans un mode de réalisation, la valeur de T pourrait être choisie entre 0,5 seconde (s) et 2 s. Pour des raisons de sécurité, la durée T sera ajustée de manière précise pendant l'ingénierie de la ligne ferroviaire pour que les messages émis ne soient pas relatifs à des trains précédents.In one embodiment, the value of T could be chosen between 0.5 second (s) and 2 s. For safety reasons, the duration T will be adjusted precisely during the engineering of the railway line so that the messages sent are not relative to previous trains.

Claims (10)

Procédé de contrôle de véhicules ferroviaires (12) se déplaçant sur au moins une voie (8), selon lequel un groupe (5) de balises d'émission sans fil disposées successivement le long de la voie comprend au moins une première balise (4) et une deuxième balise (4b) pilotées par un dispositif de pilotage (3) desdites balises, lesdites première et deuxième balises étant aptes à communiquer avec un bloc de réception sans fil (7) embarqué sur le véhicule ferroviaire, ledit procédé comprenant les étapes suivantes : - détermination, par le dispositif de pilotage, d'un premier message de signalisation destiné à un véhicule ferroviaire, en fonction d'informations de signalisation dernièrement reçues, ledit premier message comprenant au moins une première portion de message et une deuxième portion de message ; - transmission, par le dispositif de pilotage, de la première portion de premier message à la première balise et de la deuxième portion de premier message à la deuxième balise, pour émission sélective, par ladite première balise, de la première portion de premier message et pour émission sélective par ladite deuxième balise, de la deuxième portion de premier message ; puis - réception, par le dispositif de pilotage, de données indiquant le passage du véhicule ferroviaire au niveau de la première balise ; ledit procédé étant caractérisé en ce que, dès réception desdites données, le dispositif de pilotage gèle, pendant un temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message.A method for controlling railway vehicles (12) traveling on at least one track (8), wherein a group (5) of wireless transmit beacons arranged successively along the track comprises at least a first beacon (4) and a second beacon (4b) driven by a control device (3) of said beacons, said first and second beacons being able to communicate with a wireless receiving block (7) on board the railway vehicle, said method comprising the following steps : determining, by the control device, a first signaling message intended for a railway vehicle, as a function of recently received signaling information, said first message comprising at least a first message portion and a second message portion; transmission, by the control device, of the first portion of the first message to the first beacon and the second portion of the first message to the second beacon, for selective transmission, by said first beacon, of the first portion of the first message and for selective transmission by said second beacon, of the second portion of the first message; then receiving, by the control device, data indicating the passage of the railway vehicle at the level of the first beacon; said method being characterized in that , upon receipt of said data, the control device freezes, during a determined time, any transmission to said first and second beacons of signaling messages intended for railway vehicles other than said first message. Procédé de contrôle de véhicules ferroviaires (12) selon la revendication 1, selon lequel le dispositif de pilotage (3) reçoit des informations de signalisation actualisées postérieurement à la réception desdites données, retarde jusqu'à la fin du temps déterminé, la transmission auxdites première et deuxième balises (4, 4b), d'un message de signalisation déterminé en fonction desdites informations de signalisation actualisées et destiné aux véhicules ferroviaires, et transmet, dès la fin du temps déterminé, auxdites première et deuxième balises, le message de signalisation déterminé en fonction desdites informations de signalisation actualisées, même en cas de données actualisées reçues indiquant encore le passage du véhicule ferroviaire au niveau de la première balise.A railway vehicle control method (12) according to claim 1, wherein the control device (3) receives updated signaling information after receipt of said data, delays until the end of the determined time, transmission to said first and second beacons (4, 4b), a signaling message determined according to said updated signaling information and intended for rail vehicles, and transmits, at the end of the time determined, said first and second beacons, the determined signaling message according to said updated signaling information, even in the case of updated data received further indicating the passage of the railway vehicle at the level of the first beacon. Procédé de contrôle de véhicules ferroviaires (12) selon l'une des revendications précédentes, selon lequel lesdites données indiquant le passage du véhicule ferroviaire sont transmises au dispositif de pilotage (3) par la première balise (4) dès détection, par ladite première balise, du passage du train.Railway vehicle control method (12) according to one of the preceding claims, wherein said data indicating the passage of the railway vehicle are transmitted to the control device (3) by the first beacon (4) upon detection, by said first beacon, of the passage of the train. Procédé de contrôle de véhicules ferroviaires (12) selon l'une des revendications précédentes, selon lequel la première balise (4) est localisée avant la deuxième balise (4b) selon un sens de circulation considéré sur ladite voie, et le dispositif de pilotage (3) gèle, pendant le temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message seulement s'il n'y a pas eu réception préalable, par le dispositif de pilotage, de données indiquant le passage dudit véhicule ferroviaire au niveau de la deuxième balise.Railway vehicle control method (12) according to one of the preceding claims, in which the first beacon (4) is located before the second beacon (4b) in a direction of circulation considered on said track, and the control device ( 3) freezes, during the determined time, any transmission to said first and second beacons of signaling messages intended for railway vehicles other than said first message only if the pilot device has not previously received data indicating the passage of said railway vehicle at the second beacon. Procédé de contrôle de véhicules ferroviaires (12) selon l'une des revendications précédentes, selon lequel les premières et secondes balises (4, 4b) sont des eurobalises ECTS, le dispositif de pilotage (3) est une unité électronique latérale ECTS et le bloc de réception sans fil embarqué (7) est une unité d'antenne embarquée ECTS.The rail vehicle control method (12) according to one of the preceding claims, wherein the first and second beacons (4, 4b) are ECTS Eurobalises, the steering device (3) is an ECTS lateral electronic unit and the block on-board wireless reception system (7) is an ECTS on-board antenna unit. Dispositif de pilotage (3) de balises pour contrôler des véhicules ferroviaires (12) se déplaçant sur au moins une voie (8), ledit dispositif de pilotage étant adapté pour piloter au moins une première balise (4) et une deuxième balise (4b) d'un groupe (5) de balises d'émission sans fil disposées successivement le long de la voie et aptes à communiquer avec un bloc de réception sans fil (7) embarqué sur le véhicule ferroviaire, ledit dispositif de pilotage étant adapté pour déterminer un premier message de signalisation destiné à un véhicule ferroviaire, en fonction d'informations de signalisation dernièrement reçues par ledit dispositif, ledit premier message comprenant au moins une première portion de message et une deuxième portion de message ;
ledit dispositif de pilotage étant adapté pour transmettre la première portion de premier message à la première balise et la deuxième portion de premier message à la deuxième balise, pour émission sélective, par ladite première balise, de la première portion de premier message et pour émission sélective par la deuxième balise, de ladite deuxième portion de premier message ;
ledit dispositif de pilotage étant adapté pour recevoir des données indiquant le passage du véhicule ferroviaire au niveau de la première balise et étant caractérisé en ce que le dispositif de pilotage est adapté pour, dès réception desdites données, geler, pendant un temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message.Device for controlling (3) beacons for controlling railway vehicles (12) traveling on at least one track (8), said steering device being adapted to control at least a first beacon (4) and a second beacon (4b) a group (5) of wireless transmit beacons arranged successively along the track and able to communicate with a wireless reception block (7) on board the railway vehicle, said piloting device being adapted to determine a first signaling message for a railway vehicle, based on signaling information recently received by said device, said first message comprising at least a first message portion and a second message portion;
said control device being adapted to transmit the first portion of the first message to the first beacon and the second portion of the first message to the second beacon, for selective transmission, by said first beacon, of the first portion of the first message and for selective transmission by the second beacon, said second portion of the first message;
said control device being adapted to receive data indicating the passage of the railway vehicle at the level of the first beacon and being characterized in that the control device is adapted to, upon receipt of said data, freeze, for a given time, any transmission said first and second beacons, signaling messages for railway vehicles other than said first message. Dispositif de pilotage (3) selon la revendication 6, adapté pour recevoir des informations de signalisation actualisées postérieurement à la réception desdites données, pour retarder jusqu'à la fin du temps déterminé, la transmission auxdites première et deuxième balises (4, 4b), d'un message de signalisation déterminé en fonction desdites informations de signalisation actualisées et destiné aux véhicules ferroviaires, et pour transmettre, dès la fin du temps déterminé, auxdites première et deuxième balises, le message de signalisation déterminé en fonction desdites informations de signalisation actualisées, même en cas de données actualisées reçues indiquant encore le passage du véhicule ferroviaire au niveau de la première balise.Control device (3) according to claim 6, adapted to receive signaling information updated after receipt of said data, to delay until the end of the determined time, the transmission to said first and second beacons (4, 4b), a signaling message determined according to said updated signaling information and intended for railway vehicles, and for transmitting, at the end of the determined time, to said first and second beacons, the signaling message determined according to said updated signaling information, even if updated data received still indicating the passage of the railway vehicle at the level of the first beacon. Dispositif de pilotage (3) selon l'une des revendications 6 ou 7, adapté pour, la première balise (4) étant localisée avant la deuxième balise (4b) selon un sens de circulation considéré sur ladite voie, geler pendant le temps déterminé, toute transmission auxdites première et deuxième balises, de messages de signalisation destinés aux véhicules ferroviaires autres que ledit premier message seulement s'il n'y a pas eu réception préalable, par le dispositif de pilotage, de données indiquant le passage dudit véhicule ferroviaire au niveau de la deuxième balise.Steering device (3) according to one of claims 6 or 7, adapted for, the first beacon (4) being located before the second beacon (4b) in a direction of circulation considered on said channel, freeze for the determined time, any transmission to said first and second beacons of signaling messages intended for railway vehicles other than said first message only if there has been no prior receipt by the steering device of data indicating the passage of said railway vehicle at the level of of the second beacon. Dispositif de pilotage (3) selon l'une des revendications 6 à 8, comprenant une unité électronique latérale ECTS.Steering device (3) according to one of claims 6 to 8, comprising an ECTS lateral electronic unit. Système de contrôle de véhicules ferroviaires (12) comprenant un dispositif de pilotage (3) selon l'une des revendications 6 à 9, et un groupe (5) de balises d'émission sans fil disposées successivement le long de la voie comprenant au moins une première balise (4) et une deuxième balise (4b) aptes à communiquer avec un bloc de réception (7) sans fil embarqué sur le véhicule ferroviaire et pilotées par le dispositif de pilotage, lesdites première et deuxième balises étant aptes à communiquer avec un bloc de réception sans fil (7) embarqué sur le véhicule ferroviaire ;
ladite première balise étant adaptée pour émettre sélectivement la première portion de premier message et la deuxième balise étant adaptée pour émettre sélectivement ladite deuxième portion de premier message.Railway vehicle control system (12) comprising a control device (3) according to one of claims 6 to 9, and a group (5) of wireless transmit beacons arranged successively along the track comprising at least a first beacon (4) and a second beacon (4b) able to communicate with a wireless reception unit (7) on board the railway vehicle and controlled by the control device, said first and second beacons being able to communicate with a wireless reception unit (7) on the railway vehicle;
said first beacon being adapted to selectively transmit the first first message portion and the second beacon being adapted to selectively transmit said second first message portion.
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