EP3028920B1 - Procédé et système de communication pour l'échange d'informations entre véhicules guidés - Google Patents

Procédé et système de communication pour l'échange d'informations entre véhicules guidés Download PDF

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Publication number
EP3028920B1
EP3028920B1 EP14380039.9A EP14380039A EP3028920B1 EP 3028920 B1 EP3028920 B1 EP 3028920B1 EP 14380039 A EP14380039 A EP 14380039A EP 3028920 B1 EP3028920 B1 EP 3028920B1
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EP
European Patent Office
Prior art keywords
guided vehicle
rfid
data
icm
rfid tag
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EP14380039.9A
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German (de)
English (en)
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EP3028920A1 (fr
Inventor
Carlos Melchor Terleira Irazabal
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Siemens Rail Automation SA
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Siemens Rail Automation SA
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Priority to PCT/EP2015/077115 priority Critical patent/WO2016087221A1/fr
Publication of EP3028920A1 publication Critical patent/EP3028920A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0018—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
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/048—Indicating or recording train identities using programmable tags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/021—Measuring and recording of train speed
    • 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

Definitions

  • the present invention concerns a system and a method of communication for the exchange of information between a first guided vehicle and a second guided vehicle.
  • the present invention is essentially related to the communication and information exchange between guided vehicles, wherein “guided vehicle” refers to public transport means such as buses, trolleybuses, streetcars, subways, trains or train subunits, etc., as well as load transporting means such as, for example, freight trains, for which safety is a very important factor and which are guided along a route or railway by at least one rail, in particular by two rails.
  • guided vehicle refers to public transport means such as buses, trolleybuses, streetcars, subways, trains or train subunits, etc.
  • load transporting means such as, for example, freight trains, for which safety is a very important factor and which are guided along a route or railway by at least one rail, in particular by two rails.
  • the communication "guided vehicle to guided vehicle” involves complex devices and/or actions directly performed by the guided vehicle driver.
  • An objective of the present invention is to propose a system and a method of communication between guided vehicles that is simple, cheap, automatic, and in particular free of any intervention of a guided vehicle driver.
  • the present invention proposes to use Radio-Frequency Identification (RFID) techniques and systems for the communication between guided vehicles.
  • RFID Radio-Frequency Identification
  • US 2005/0088320 discloses a transmission system and method applying such RFID-techniques for communication between street vehicles.
  • the present invention concerns an RFID system configured for being installed on-board a guided vehicle in order to allow the latter to automatically exchange information with another guided vehicle comprising also said RFID system, the RFID system according to the invention comprising an Information Collector Module (hereafter ICM), an RFID reader and an RFID tag.
  • ICM Information Collector Module
  • the present invention also concerns a method of communication for automatically exchanging information between a guided vehicle and another guided vehicle characterized in that an RFID technique is used for automatically exchanging said information when said guided vehicle and said another guided vehicle cross each other.
  • the guided vehicle will be called the “first guided vehicle”, said another guided vehicle will be called the “second guided vehicle”; the RFID system configured for equipping the first guided vehicle will be called “the RFID system C_A”, the RFID system configured for equipping the second guided vehicle will be called “the RFID system C_B”; the RFID reader, RFID tag and ICM of the RFID system C_A and respectively C_B will be called respectively, the RFID reader R_A, RFID tag T_A, ICM I_A, and RFID reader R_B, RFID tag T_B, ICM I_B.
  • the RFID tag may comprise a memory
  • the RFID tag T_A and/or the RFID tag T_B may comprise a memory
  • the present invention concerns thus an RFID system C_A, as defined by claim 1. It is configured for being installed in a first guided vehicle in order to allow the latter to automatically exchange information with a second guided vehicle comprising an RFID system C_B that is for example identical to the RFID system C_A, the RFID system C_A comprising:
  • said place/location wherein the RFID tag and RFID reader are installed/mounted is a side of the guided vehicle.
  • the RFID tag and RFID reader are installed/mounted on each side of the guided vehicle that might face a side of another guided vehicle when said guided vehicle and said another guided vehicle cross each other.
  • the distance separating an RFID tag T_A, respectively an RFID reader R_A, and the running surface of the first guided vehicle is identical to the distance separating an RFID reader R_B, respectively an RFID tag T_B, and the running surface of the second guided vehicle in order to improve the exchange of information between the RFID systems equipping the guided vehicles, the running surface being the plane defined by the contact "rail - guided vehicle wheels".
  • the present invention concerns thus a method of communication for automatically exchanging information between a first guided vehicle and a second guided according to claim 8, wherein RFID systems as previously described and equipping each of said first and second guided vehicles automatically exchange information between said first guided vehicle and said second guided vehicle when they cross each other.
  • the method according to the invention comprises the following steps for transmitting information from the first guided vehicle to the second guided vehicle:
  • the method according to the invention comprises the following steps for allowing the first guided vehicle to receive information from the second guided vehicle:
  • the method according to the invention proposes thus a wireless use of electromagnetic fields, i.e. the RFID technique, for automatically transferring selected data between the first guided vehicle and the second guided vehicle, and vice versa, said transfer of selected data between the guided vehicles taking place and being possible only when said guided vehicles cross each other.
  • the method steps described from the point of view of the first guided vehicle apply mutatis mutandis when described from the point of view of the second guided vehicle.
  • the present invention is also directed to a guided vehicle comprising the previously described RFID system, and to a communication system between guided vehicles wherein said communication system comprises several RFID systems, each configured for equipping one guided vehicle.
  • a single guided vehicle may comprise one or several RFID systems according to the invention, wherein each of said system is for example dedicated to the exchange of specific information or has a function of redundancy.
  • FIG. 1 shows a preferred embodiment of the communication method and RFID system according to the invention.
  • a first guided vehicle A comprising several cars or guided vehicle units is shown crossing a second guided vehicle B comprising also several cars or guided vehicle units.
  • Each of said first and second guided vehicles A, B is equipped with an RFID system 1 according to the invention.
  • the guided vehicles A, B are running in opposite direction as illustrated by the arrows F. Of course, they can also cross each other when running in a same direction if their speed is different.
  • Each guided vehicle A, B comprises at least one RFID system 1 according the invention, but may also comprise several or redundant RFID systems according to the invention.
  • the first guided vehicle A comprises at least one RFID system C_A for example a first RFID system equipping the first car of the first guided vehicle A, and a second RFID system equipping the last car of the first guided vehicle A.
  • the second guided vehicle B may comprise at least one RFID system C_B, for instance a first RFID system installed in the first car and a second RFID system installed in the last car of the second guided vehicle B.
  • the cars situated between the first car and the last car of each guided vehicle are for example free of any RFID system according to the invention.
  • Each RFID system 1 according to the invention comprises:
  • each RFID system of the first guided vehicle A comprises at least one RFID reader R_A 12 and at least one RFID tag T_A 13 configured for being installed on a side of the first guided vehicle A.
  • it comprises two RFID readers R_A and two RFID tags T_A, so that each side of the first guided vehicle A that may face a side of the second guided vehicle B might be equipped with at least one RFID reader R_A and at least one RFID tag T_A.
  • each RFID system of the second guided vehicle B comprises at least one RFID reader R_B 12 and at least one RFID tag T_B 13 configured for being installed on a side of the first guided vehicle A.
  • each side of the second guided vehicle B that may face a side of the first guided vehicle A might be equipped with at least one RFID reader R_B and at least one RFID tag T_B.
  • the ICM 11, for example the ICM I_A of the first guided vehicle A, or the ICM I_B of the second guided vehicle B, is configured for being connected to at least one on-board device, said on-board device being for example a control system 2 or a sensor 3 of the guided vehicle it equips, or another ICM 11 installed on-board the same guided vehicle, for example in another car of the guided vehicle.
  • the connection of the IMC to the on-board device might be a wire or wireless communication, the IMC being in particular capable of wirelessly communicating with said on-board device.
  • the sensor 3 might be a speed sensor, or an environmental sensor (weather conditions), or a proximity sensor (for detecting obstacles on the track).
  • the ICM 11 is configured for collecting/acquiring data from said on-board device.
  • the ICM collected/acquired data might be at least one of the following: the guided vehicle ID, its speed, detected obstacles on the track, guided vehicle delay compared to a schedule, any change of a configuration of the guided vehicle, environmental conditions, alerts, emergency issues, adhesion factor, etc.
  • the ICM 11 according to the invention is for example an FPGA.
  • the ICM 11 according to the invention comprises a processor and a memory for analyzing said collected/acquired data and determining at least one set of data, wherein the data composing said set of data are called the "selected data" Ds and are the data transmitted by the ICM to the RFID tag of the RFID system of the guided vehicle for being communicated by said RFID tag to the RFID reader of the RFID system of another guided vehicle.
  • the ICM I_A may determine another set of data, wherein the data composing said another set of data are called the "written data" and are data transmitted by the ICM I_A to the RFID reader R_A for being written by said RFID reader R_A on a memory of the RFID tag R_B of the RFID system of the second guided vehicle B.
  • the ICM 11 equipping an RFID system of a guided vehicle is in particular also configured for receiving additional data Da from the RFID reader equipping the RFID system of said guided vehicle, wherein said additional data Da are the data read by the RFID reader when reading a RFID tag of an RFID system equipping another guided vehicle.
  • the selected data Ds might be all data collected by the ICM 11, or part of said data collected by the ICM 11, or new data calculated/determined from at least one of said collected data.
  • the written data might be for example data that have to be communicated to a guided vehicle running on the same track as the guided vehicle whose RFID system created said written data.
  • the RFID system equipping a first guided vehicle A running on a first track might thus use the RFID system installed in a second guided vehicle B running on second track adjacent to said first track for storing the written data and then providing said written data by means of the RFID system installed in said second guided vehicle B to subsequent guided vehicles running on said first track.
  • the written data might be used for providing information related to a specific track to the guided vehicles running on said specific track, wherein the RFID system of a guided vehicle running on a track adjacent to the specific track is used as a "mobile transporter" of the written data, i.e. of relevant information for said specific track.
  • the selected data transmitted by the RFID tag T_A to the ICM I_B by means of the reading of said RFID tag T_A by the RFID reader R_B might be configured for triggering a reconfiguration of the RFID tag T_B by means of the ICM_B so that the RFID tag T_B transmits said selected data previously received to guided vehicles running on said first track, i.e.
  • the ICM I_B of the RFID system C_B might be able to configure the RFID tag T_B in function of the additional data, i.e. in function of the selected data received by the RFID reader R_B, said selected data comprising instruction for triggering said configuration of the RFID tag T_B so that the latter transmits at least part of the previously received selected data to each next guided vehicle it crosses.
  • the selected data Ds collected/acquired by the ICM I_A are then transmitted by said ICM I_A to the RFID tag T_A in order to be stored in the RFID tag T_A and thus available for a reading by the RFID reader R_B.
  • the RFID tag 13 might be active or passive. It comprises in particular a memory for storing the selected data Ds and making them available for a reading by an RFID reader 12.
  • the RFID tag 13 might be configured for automatically storing each selected data it receives, or optionally the ICM might be able to store the selected data in the memory of the RFID tag 13 and/or to read said memory.
  • the ICM 11 and/or the RFID tag 13 are configured for managing the memory of the RFID tag 13, in particular for managing the selected data stored in the RFID tag memory.
  • the RFID tag according to the invention might be a "read-only” RFID tag (wherein the RFID reader can only read the selected data stored in the RFID tag) or a “read/write” RFID tag (wherein the RFID reader can read the selected data stored in the RFID tag, and if necessary write some other data in the memory of the RFID tag, i.e. the so-called written data).
  • Read-only and read/write RFID tags are well known by the skilled man and do not need further explanations.
  • each RFID system 1 comprises at least two RFID tags 13 and two RFID readers 12, wherein at least one RFID tag 13 and one RFID reader 11 are configured for being installed/mounted on one side of the guided vehicle, for example on one side of the first car of the guided vehicle, and at least one other RFID tag 13 and one other RFID reader 12 are configured for being installed/mounted on another side of said guided vehicle, so that both sides (in principle lateral sides, i.e. each side of the guided vehicle that faces a side of another guided vehicle when the guided vehicles cross each other) of the guided vehicle are equipped with at least one RFID reader 12 and at least one RFID tag 13 as illustrated in Figure 1 .
  • the first guided vehicle A and the second guided vehicle B preferentially exchange their respective selected data Ds stored in the memory of their respective RFID tags of their respective RFID systems when they cross each other, i.e. when the RFID tag T_A and the RFID reader R_B face each other so that the RFID reader R_B might read the selected data Ds from, and/or write the so-called written data on, the memory of the RFID tag T_A.
  • each RFID tag T_A, T_B installed on the first, respectively second, guided vehicle and each RFID reader R_B, R_A installed on the second, respectively first, guided vehicle are placed on the respective guided vehicles so that they may interact with each other when the first and second guided vehicles cross each other.
  • the RFID reader R_A equipping the first guided vehicle A may read and/or write the memory of the RFID tag T_B equipping the second guided vehicle B.
  • the read data are the selected data Ds transmitted by the ICM I_B to the RFID tag R_B equipping the second guided vehicle B and that are then read by the RFID reader R_A of the first guided vehicle A and transmitted by said RFID reader R_A to the ICM I_A as additional data Da.
  • the so-called written data are data written by the RFID reader R_A on the memory of the RFID tag T_B, and that can be then read by other RFID readers that communicate with the RFID tag T_B whose memory comprises said written data.
  • Each RFID reader 12 equipping an RFID system according to the invention installed on a first guided vehicle A is configured for reading an RFID tag (i.e. for receiving radio signal from the RFID tag) equipping an RFID system installed on a second guided vehicle B when the first guided vehicle A crosses the second guided vehicle B.
  • an RFID tag i.e. for receiving radio signal from the RFID tag
  • selected data and/or written data if any are collected by the RFID reader.
  • the data collected by the RFID reader are transmitted by the latter to the ICM as additional data. Said additional data may trigger an action performed by the ICM.
  • the latter is in particular able to analyze said additional data and to determine the actions to be performed.
  • Examples of actions are sending an alert to the guided vehicle driver, sending data to an on-board device to which the ICM is connected, for example a control system or another ICM, displaying information in the cabin of the guided vehicle driver, etc.
  • the additional data might automatically trigger said action.
  • the present invention proposes a simple system and method of communication between guided vehicle based on the exchange of data (selected data/written data) by means of RFID techniques, wherein the data are instantaneously transferred from one RFID system to another RFID system equipping different guided vehicles when said guided vehicles cross each other and are close enough for allowing the communication between an RFID tag and an RFID reader.
  • the RFID systems according to the invention form a new kind of communication system for guided vehicles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Claims (14)

  1. Système RFID (1) conçu pour être installé à bord d'un premier véhicule guidé (A) afin de permettre à ce dernier d'échanger automatiquement des informations avec un second véhicule guidé (B), le système RFID (1) selon l'invention comprenant :
    - un lecteur RFID (12) conçu pour être installé dans un emplacement sur le premier véhicule guidé (A) qui permet audit lecteur RFID (12) de lire une étiquette RFID (13) d'un système RFID installé à bord du second véhicule guidé lorsque le premier véhicule guidé (A) et le second véhicule guidé (B) se croisent ;
    - une étiquette RFID (13) conçue pour être installée dans un emplacement sur le premier véhicule guidé (A) qui permet à ladite étiquette RFID (13) d'être lue par un lecteur RFID (12) du système RFID installé à bord du second véhicule guidé (B) lorsque le premier véhicule guidé (A) et le second véhicule guidé (B) se croisent ;
    - un module collecteur d'informations (11), ci-après nommé « ICM », dans lequel ledit ICM (11) est conçu pour être connecté à un dispositif embarqué (2, 3) du premier véhicule guidé (A) pour acquérir/transmettre des données provenant/audit dispositif embarqué (2, 3), ledit ICM (11) étant connecté au lecteur RFID (12) pour obtenir des données supplémentaires (Da), les données supplémentaires (Da) étant des données acquises par le lecteur RFID (12) lors de la lecture de l'étiquette RFID (13) du système RFID équipant le second véhicule guidé, ledit ICM (11) étant connecté en outre à l'étiquette RFID (13) pour fournir à cette dernière des données sélectionnées (Ds) qui sont des données sélectionnées à partir des données acquises du dispositif embarqué (2, 3) et désignées pour être lues par le lecteur RFID (12) du système RFID du second véhicule guidé (B), les données sélectionnées (Ds) étant conçues pour déclencher une reconfiguration de l'étiquette RFID (13) du système RFID équipant le second véhicule au moyen d'un ICM de ce dernier, de sorte que son étiquette RFID (13) transmet au moins une partie des données sélectionnées à chaque prochain véhicule guidé qu'il croise.
  2. Système RFID (1) selon la revendication 1, dans lequel l'étiquette RFID (13) comprend une mémoire et l'ICM (11) est capable d'écrire les données sélectionnées (Ds) sur ladite mémoire et/ou de lire ladite mémoire.
  3. Système RFID (1) selon la revendication 1 ou 2, dans lequel l'ICM (11) comprend une mémoire et un processeur.
  4. Système RFID (1) selon l'une des revendications 1 à 3, dans lequel l'ICM (11) est conçu pour déclencher une action lors de la réception des données supplémentaires Da.
  5. Système RFID (1) selon la revendication 4, dans lequel ladite action est l'une des actions suivantes : envoyer une alerte au conducteur du véhicule guidé ; envoyer des données à un dispositif embarqué (2, 3) auquel l'ICM (11) est connecté ; afficher des informations dans une cabine du premier véhicule guidé (A).
  6. Système RFID (1) selon l'une des revendications 1 à 5, dans lequel le lecteur RFID (12) est conçu pour écrire des données sur une mémoire de l'étiquette RFID (13) du système RFID conçu pour équiper le second véhicule guidé (B).
  7. Premier véhicule guidé (A) comprenant le système RFID (1) selon l'une des revendications 1 à 6 permettant d'échanger des informations avec un second véhicule guidé (B) lorsqu'ils se croisent.
  8. Procédé de communication permettant d'échanger automatiquement des informations entre un premier véhicule guidé (A) et un second véhicule guidé (B), chacun desdits premier véhicule guidé (A) et second véhicule guidé (B) comprend un système RFID comprenant un lecteur RFID (12), une étiquette RFID (13) et un module collecteur d'informations (11), ci-après nommé « ICM », caractérisé en ce qu'une technique RFID est utilisée pour échanger lesdites informations lorsque le premier véhicule guidé (A) et le second véhicule guidé (B) se croisent, la transmission des informations du premier véhicule guidé (A) au second véhicule guidé (B) comprend :
    - l'utilisation de l'ICM (11) installé à bord du premier véhicule guidé (A) pour l'acquisition de données d'un dispositif embarqué installé à bord dudit premier véhicule guidé (A) ;
    - la détermination à partir des données acquises d'un ensemble de données, ci-après nommé les « données sélectionnées », devant être transmises au moyen de l'étiquette RFID (13) du système RFID (1) équipant le premier véhicule guidé (A) au lecteur RFID (12) du système RFID du second véhicule guidé (B) ;
    - l'utilisation de l'étiquette RFID (13) du système RFID (1) équipant le premier véhicule guidé (A) pour transmettre les données sélectionnées au lecteur RFID (12) du système RFID équipant le second véhicule guidé (B), la transmission des données sélectionnées se déroulant lorsque le premier véhicule guidé (A) et le second véhicule guidé (B) se croisent, les données sélectionnées (Ds) étant conçues pour déclencher une reconfiguration de l'étiquette RFID (13) du système RFID équipant le second véhicule au moyen de l'ICM de ce dernier, de sorte que son étiquette RFID (13) transmet au moins une partie des données sélectionnées à chaque prochain véhicule guidé qu'il croise.
  9. Procédé de communication selon la revendication 8, dans lequel le premier véhicule guidé (A) acquiert des informations à partir du second véhicule guidé (B) en fonction des étapes suivantes :
    - l'utilisation du lecteur RFID (12) installé à bord du premier véhicule guidé (A) pour lire automatiquement et acquérir des données supplémentaires (Da) en lisant l'étiquette RFID (13) du système RFID équipant le second véhicule guidé (B) ;
    - la transmission des données supplémentaires (Da) à l'ICM (11) du système RFID équipant le premier véhicule guidé (A) ;
    - le déclenchement d'une action en fonction des données supplémentaires (Da) au moyen de l'ICM (11).
  10. Procédé de communication selon la revendication 9, dans lequel le déclenchement d'une action comprend l'une des actions suivantes : l'envoi d'une alerte au conducteur du véhicule guidé ; l'envoi de données à un dispositif embarqué (2, 3) auquel l'ICM (11) est connecté ; l'affichage d'informations dans une cabine du premier véhicule guidé (A).
  11. Procédé de communication selon la revendication 9 ou 10, dans lequel les données supplémentaires (Da) sont des données sélectionnées par l'ICM (11) équipant le système RFID installé à bord du second véhicule guidé (B) et transmis au moyen de l'étiquette RFID (13) installée sur le second véhicule guidé (B) au lecteur RFID (12) installé sur le premier véhicule guidé (A) lorsque le premier véhicule guidé (A) et le second véhicule guidé (B) se croisent.
  12. Procédé de communication selon l'une des revendications 9 à 11, dans lequel l'ICM (11) déclenche ladite action après l'analyse des données supplémentaires (Da).
  13. Procédé de communication selon l'une des revendications 9 à 10 comprenant l'utilisation du lecteur RFID (12) du système RFID installé à bord du premier véhicule guidé (A) pour écrire des données, ci-après nommées « données écrites », sur une mémoire de l'étiquette RFID (13) du système RFID installé à bord du second véhicule guidé (B).
  14. Procédé de communication selon la revendication 13, dans lequel les données écrites sont des données spécifiques à la voie sur laquelle circule le premier véhicule guidé (A).
EP14380039.9A 2014-12-05 2014-12-19 Procédé et système de communication pour l'échange d'informations entre véhicules guidés Active EP3028920B1 (fr)

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EP3028920A1 (fr) 2016-06-08

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