EP3964419A1 - Transmission des données entre un véhicule guidé sur rails et un dispositif terrestre - Google Patents

Transmission des données entre un véhicule guidé sur rails et un dispositif terrestre Download PDF

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Publication number
EP3964419A1
EP3964419A1 EP21190062.6A EP21190062A EP3964419A1 EP 3964419 A1 EP3964419 A1 EP 3964419A1 EP 21190062 A EP21190062 A EP 21190062A EP 3964419 A1 EP3964419 A1 EP 3964419A1
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EP
European Patent Office
Prior art keywords
data
land
vehicle
track
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21190062.6A
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German (de)
English (en)
Inventor
Roland Porsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility GmbH
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Siemens Mobility GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP3964419A1 publication Critical patent/EP3964419A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0018—Communication with or on the vehicle or train
    • B61L15/0027—Radio-based, e.g. using GSM-R
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/70—Details of trackside communication

Definitions

  • the invention relates to a method for controlling a transmission of data between a track-bound vehicle and a land-based device.
  • a rail vehicle e.g an operations control center
  • the operations control center can e.g. B. are in a train station or in a signal box.
  • Various types of transmission e.g. radio, light, etc.
  • data transmission also known as communication between a vehicle and the land-based facility.
  • WO 2007/147700 describes a method for transmitting data, in particular between a rail vehicle and an operations control center. For the period of time in which a broadband transmission path is available, this transmission path is automatically activated and the previous transmission path is deactivated.
  • the type of data to be transmitted is determined as a first step.
  • the transmission paths suitable for this type of data are determined.
  • the accessibility of a recipient is then determined one after the other via these individual transmission paths.
  • the fourth step is to transmit the data via this current transmission path. If, however, the recipient cannot be reached via any of the previously determined transmission paths, at least one new transmission path is determined. The same procedure is then used with this transmission path as with the previously determined transmission paths. If a transmission path has been determined via which the recipient can be reached, the data is transmitted.
  • the object of the invention is to specify an improved method for controlling the transmission of data between a track-bound vehicle and a land-based device.
  • a method for controlling a transmission of data between a track-bound vehicle and a land-based device includes: determining whether the transmission of the data between the rail-based vehicle and the land-based device is permissible based on a rule which assigns a result to at least one condition.
  • the method further includes: transmitting the data via a communication link between the vehicle and the land-based device depending on the result.
  • the invention is based on the knowledge that amounts of data intended for transmission from a land-based device to a rail-bound vehicle (and vice versa) are generally increasing. At the same time, the conditions of the track-bound vehicle and the route traveled by the vehicle only allow data transmission under certain conditions.
  • the data transmission proceeds from a land-based device to a track-bound vehicle in a push mode.
  • the land-based device has no knowledge of the location of the vehicle, the operating mode of the vehicle or the existence of databases on the vehicle, which must be transmitted to the land-based device with a high priority.
  • a vehicle can either refuse the push of data by the land-based device or ignore the request for data transmission.
  • the data transmission may have to be repeated by the land-based facility during further operation. This leads to an increased volume of communication and, particularly when transmitted over a cellular network, at higher costs.
  • the solution according to the invention eliminates these problems by taking the result of the rule into account during data transmission. In particular, it is taken into account whether the at least one condition is met.
  • the wording according to which the data is transmitted depending on the result should preferably be understood to mean that the data is only transmitted if the result indicates that the at least one condition is met (and the transmission of the data is permissible). More preferably, the determination takes place before the transmission.
  • the data transmission preferably takes place using a network protocol.
  • the data is preferably transmitted between the rail-bound vehicle and the land-based device by means of a communication device which has a transmitting unit and a receiving unit.
  • a communication device which has a transmitting unit and a receiving unit.
  • the transmission unit is arranged on the track-bound vehicle and the receiving unit is arranged on the land-side.
  • the transmitting unit is land-based and the receiving unit is arranged on the track-bound vehicle.
  • the transmission unit and reception unit of the rail-bound vehicle or the land-based device is formed by a single transmission/reception unit.
  • the rail vehicle is preferably a rail vehicle, for example a multiple unit.
  • the rail vehicle is a subway.
  • the result preferably represents an admissibility of the data transmission. For example, the result is "TRUE” if data transfer is allowed, or "FALSE” if data transfer is not allowed.
  • the rule preferably assigns the result to the condition in such a way that the result indicates the permissibility of the data transmission if the specified condition is met. More preferably, the rule assigns the result to a number of conditions in such a way that the result indicates the permissibility of the data transmission if all of the conditions are met.
  • the determination is carried out by executing a computer program.
  • the data for transmission by means of a transmission unit are only sent when the corresponding rule is met.
  • the check is carried out, for example, by a control device of the vehicle.
  • the control unit preferably includes a computing unit which is designed to run the computer program.
  • the data intended for transmission are received, for example, by means of a receiving unit only received if the corresponding rule is met.
  • the check is carried out, for example, by a control device of the land-based device.
  • This control device preferably includes a computing unit which is designed to run the computer program.
  • the type of data includes, for example, control data, diagnostic data, software packages, media data (relating to entertainment media), etc.
  • the location of the rail-bound vehicle is, for example, a bus stop, a depot, a predetermined location on the route, etc.
  • the vehicle state is, for example, a driving operation, a maintenance operation and/or a parked state.
  • Network quality includes, for example, the connectivity of the wireless communication network in which the vehicle is located.
  • the size of the data volume is, for example, the size (in bytes) of a file to be transferred.
  • the prioritization of the data to be transmitted is determined, for example, by the fact that control data is transmitted with a higher priority than media data for passenger entertainment (passenger entertainment).
  • the period provided for the transmission of the data is, for example, a period at night.
  • network utilization is low at night and the track-bound vehicle is usually parked or being serviced.
  • condition "speed of the track-bound vehicle” is met if it is below a predetermined threshold value.
  • the operator action is, for example, enabling the transmission of the data by the vehicle driver.
  • the request for release is displayed to the vehicle driver, for example, on an operating display in the driver's cab. By confirming the request, the vehicle driver can release the transmission of the data.
  • the status of a component of a subsystem is, for example, a status in which data access to the component or access to the component is enabled. In other words: the component is blocked in another state for data access or access to achieve increased security.
  • the data can only be transmitted if the temperature in the area surrounding the vehicle exceeds a specified threshold value.
  • the coupling process indicates, for example, that two vehicles are being joined together to form a common vehicle, which can lead to a data connection between the two vehicles' communication systems. This can be a reason to allow or prevent a transmission of data between the vehicle and the land-based device.
  • the track-bound vehicle is an underground train and the at least one condition comprises a plurality of conditions.
  • a first condition is determined by a location of the rail-bound vehicle and a second condition is determined by a vehicle state.
  • the conditions are determined in such a way that the transmission of the data is permitted when the rail-bound vehicle is in a station, in a depot or in a parking area and is in a maintenance mode (maintenance operation).
  • condition determined by the location is met when the vehicle is in the depot.
  • condition determined by the vehicle status is met when the vehicle is in the maintenance mode.
  • This embodiment is based on the finding that data transmission in subways is generally only possible while staying in a station, while staying on a siding and/or while staying in a maintenance depot. This is because land-based communication facilities are generally not available outside of stations and maintenance depots.
  • the station is a subway station.
  • the siding area is, for example, a siding.
  • the depot is a maintenance depot.
  • the first condition is preferably only met when the track-bound vehicle is in the depot.
  • the determination of whether the transmission of the data between the track-bound vehicle and the land-based device is permissible is repeated during the operation of the track-bound vehicle.
  • the operation within the meaning of this embodiment can be, for example, a driving operation or a maintenance operation.
  • the determination is preferably repeated at regular time intervals. In other words: the at least one condition is continuously evaluated.
  • the conditions are stored, for example, in a file that is read when the computer program is run.
  • the read conditions are checked to see whether they are met. If all of the read conditions are met, the result indicates that the data transfer is allowed.
  • the conditions and the rule can be permanently programmed in the computer program (ie incorporated into the source code of the computer program).
  • a determination device of the vehicle is used to determine whether the transmission of the data between the track-bound vehicle and the land-based device is permissible.
  • a determination device of the land-based device is used to determine whether the transmission of the data between the track-bound vehicle and the land-based device is permissible.
  • An embodiment in which the determination device is present on the vehicle and on the land side has advantages for the implementation from the point of view of the software architecture due to the symmetry.
  • the determination device of the vehicle and/or the land-based device preferably includes a computing device for executing the aforementioned computer program.
  • the determination device of the track-based vehicle is used to determine whether the transmission of data between the track-based vehicle and the land-based device is permissible, the condition being determined by condition information that is transmitted from the land-based device to the vehicle.
  • the condition information is preferably transmitted from the land-based device to the vehicle prior to the determination.
  • the condition information includes, for example, a request from the land-based device to be allowed to transmit data to the track-bound vehicle.
  • the determination device of the vehicle considers a first condition “request from the landside” to be fulfilled.
  • the investigative facility checks, for example, whether the vehicle is in a depot (second condition) and in a maintenance facility (third condition). If these three conditions are met, the vehicle requests (Get) the data to be transmitted, which were requested by the land-based device for transmission to the vehicle (Request).
  • the land-based device sends an HTTP request to the vehicle to want to transfer a comparatively large file.
  • the vehicle checks the rule if it wants to receive this file. Only when the vehicle is in the depot (location) and in maintenance mode (vehicle status) does the vehicle respond and request the file via HTTP-GET from the shore-based facility.
  • the condition information includes, for example, readiness information from the land-based receiving unit.
  • the readiness information indicates whether the receiving unit is ready to receive data.
  • the land-side receiving unit is not ready to receive data when it is in an overload situation.
  • the vehicle-side transmission unit would only initiate a data transmission when the land-side receiving unit is ready to receive data.
  • conditions in the form of data and parameters are also included, which are determined online by the respective partner system. For example, the vehicle would only initiate data transmission if the receiving end is not currently in an overload situation.
  • a determination device of the land-based device is used to determine whether the transmission of the data between the track-bound vehicle and the land-based device is permissible, the condition being determined by condition information, which is transmitted from the rail vehicle to the land-based facility.
  • condition information is preferably transmitted from the rail-bound vehicle to the land-based facility prior to the determination.
  • the condition information includes, for example, a request from the vehicle to be allowed to transmit data to the land-based device.
  • the determination device of the land-side device regards a first condition “request from the land-side” as fulfilled. The determination device then checks, for example, whether the land-based device is ready to receive the data. If these two conditions are met, the land-side device requests (GET) the data to be transmitted, which were requested by the vehicle for transmission to the land-side (request).
  • the condition information includes, for example, readiness information of the vehicle.
  • the readiness information indicates whether the vehicle's receiving unit is ready to receive data.
  • the land-side transmission unit would only initiate a data transmission when the vehicle-side receiving unit is ready to receive data.
  • the invention also relates to a computer program comprising instructions which, when the program is executed by a computing unit of a rail-bound vehicle and/or a land-based device, cause the latter to carry out the method of the type described above.
  • the invention also relates to a computer-readable storage medium, comprising commands that, when executed by a processing unit of a track-bound vehicle and/or a land-based facility cause them to carry out the method of the type described above.
  • figure 1 shows a schematic view of a system 1 with a rail-bound vehicle 3 and a land-based device 5.
  • the rail vehicle 3 is a rail vehicle 4, for example a subway.
  • the shore-based facility 5 is part of an operations control center.
  • the rail-bound vehicle 3 has a communication network 7 which is in the form of an Ethernet network.
  • a terminal 9 is connected to the communication network 7 in terms of data technology.
  • a mobile communication gateway 11 is connected to the communication network 7, which is connected to a wireless communication interface 13.
  • the mobile communication gateway 11 forms together with the wireless communication interface 13 a communication device 15, which is designed to send data to the land-side device 5 and to receive data from the land-side device 5.
  • the land-based device 5 has a communication network 17 which is in the form of an Ethernet network.
  • a server 19 is connected to the communication network 17 in terms of data technology.
  • a ground communication gateway 21 is connected to the communication network 17 which is connected to a wireless communication interface 23 .
  • the ground communication gateway 21 together with the wireless communication interface 23 forms a communication device 25 which is designed to send data to the track-bound vehicle 3 and to receive data from the track-bound vehicle 3 .
  • the communication devices 15 and 25 together form a communication link 30 for transmitting data between the rail vehicle 3 and the land-based device 5, i. H. starting from the track-based vehicle 3 to the land-based device 5 and starting from the land-based device 5 to the track-based vehicle 3.
  • figure 2 shows schematically the sequence of a first embodiment of the method according to the invention.
  • a method step A the terminal 9 sends data via the communication network 7 to the mobile communication gateway 11.
  • a method step B the mobile communication gateway 11 receives the data.
  • the mobile communication gateway 11 has a determination device 31 .
  • the determination device 31 has a computing unit 33 for executing a computer program, for example a rule engine.
  • the determination device 31 determines in a method step C whether the transmission of the data the shore-side device 5 is permissible: To this end, a number of predefined conditions are retrieved from a database 35 in a method step C1.
  • a first condition is determined by a location of the track-bound vehicle 3 .
  • a second condition is determined by a vehicle condition.
  • the data is transmitted when the track-bound vehicle 3 is in a depot and is in maintenance mode.
  • the determination device 31 If the vehicle is in a depot (according to which the first condition is met) and is in maintenance mode (according to which the second condition is met), the determination device 31 outputs in a method step C2 as a result of the rule that a transmission of the data via the communication link 30 is allowed.
  • the data is entered in a queue in a method step C22.
  • the communication device 15 sends the data via a push operation in a method step C3 to the communication device 25 via the communication link 30.
  • the ground communication gateway 21 can reject or ignore the transmission of the data to the land-based device 5 in a method step C4.
  • a determination device 37 of the ground communication gateway 21 checks whether predetermined conditions for receiving the data are met. These conditions can relate to the network quality and the network utilization of the land-based communication network 17, for example.
  • the ground communication gateway 21 rejects the transmission of the data in a method step C5. In this case, the data entered in a process step C55 on the track-bound vehicle 3 in a queue.
  • the ground communication gateway 21 accepts the transmission of the data in a method step C6.
  • a method step D the data are transmitted from the rail-bound vehicle 3 to the land-based device 5 by means of the communication link 30 . Since the transmission only takes place if the conditions checked in method step C are met, the data is transmitted depending on the result.
  • the determination of whether the transmission of the data is permissible is repeated during the operation (for example during the maintenance operation) of the vehicle 3 .
  • it is determined at regular time intervals (continuously) whether the transmission of the data is permissible.
  • the ground communication gateway 21 is determined by means of the determination device 37 in method step C it is determined whether the transmission of the data is permissible. If the result of the determination indicates that the data transmission is not permitted, the data is queued on the land side. The transfer takes place if the determination shows that the transfer of the data is permissible. The mobile communication gateway 11 can reject the transmission of the data if the determination device 31 determines that the transmission of the data is not permitted.
  • figure 3 shows schematically the sequence of a second embodiment of the method according to the invention.
  • a method step AA the terminal 9 sends data via the communication network 7 to the mobile communication gateway 11.
  • a method step BB the mobile communication gateway 11 receives the data.
  • the determination device 31 determines whether the transmission of the data to the land-based device 5 is permissible. The determination is carried out in accordance with the determination described above according to method step C of the first exemplary embodiment.
  • the communication device 15 sends a request to the communication device 25 via the communication connection 30 in a method step CC1.
  • the ground communication gateway 21 receives the request in a step CC2. Upon receipt, the determination device 37 of the ground communication gateway 21 determines in a method step CC3 whether appropriate conditions for receiving the data are met.
  • the request is placed in a queue in a method step CC4.
  • the ground communication gateway 21 accepts the transmission of the data in a procedural step CC5.
  • the ground communication gateway 21 reads the data from the track-bound vehicle 3 in a method step DD via a get operation.
  • the vehicle-side determination according to method step CC is repeated continuously after the request in a method step EE. If the result of this repeated determination (before the get operation) is that the transmission of the data is not permitted, the get operation is rejected by the mobile communication gateway 11 on the vehicle side. In this case, the ground communication gateway 21 enters the get operation in a queue and initiates the get operation again at a later point in time.
  • FIG 4 shows schematically the sequence of a third embodiment of the method according to the invention.
  • This third exemplary embodiment relates to data transmission from the land-based device 5 to the rail-bound vehicle 3, the communication being carried out in a manner analogous to that in relation to FIG figure 3 second exemplary embodiment described takes place, but in the opposite direction (land-based device 5 -> track-bound vehicle 3).
  • This third embodiment can be executed independently of the second embodiment. According to the invention, however, it can be carried out after or before the second exemplary embodiment:
  • a method step AAA the server 19 sends data via the communication network 17 to the ground communication gateway 21.
  • a method step BBB the ground communication gateway 21 receives the data.
  • the determination device 37 determines whether the transmission of the data to the track-bound vehicle 3 is permissible. The determination is made in accordance with the determination according to the first and second embodiments described above, with other conditions being retrieved from the land-side determination device 37 . These conditions can relate to the network quality and the network utilization of the land-based communication network 17, for example.
  • the communication device 25 sends a request to the communication device 15 via the communication link 30 in a method step CCC1.
  • the request indicates that the data can be transmitted from the land-side device 5 .
  • the request indicates that a comparatively large file is being offered for transmission to the track-bound vehicle 3 .
  • the mobile communication gateway 11 receives the request in a method step CCC2. Upon receipt, the determination device 31 of the mobile communication gateway 11 determines in a method step CCC3 whether the corresponding conditions for receiving the data are met. For example, in a method step CCC31, several predefined conditions are retrieved from the database 35: A first condition is determined by the location of the track-bound vehicle and a second condition is determined by a vehicle status. The data is transmitted when the track-bound vehicle 3 is in a depot and is in maintenance mode.
  • the determination device 31 If the vehicle is in a depot (according to which the first condition is met) and is in maintenance mode (according to which the second condition is met), the determination device 31 outputs in a method step CCC32 as a result of the rule that a transmission of the data via the communication link 30 is allowed.
  • the request is placed in a queue in a method step CCC4.
  • the vehicle-side determination according to method steps CCC3, CCC31 and CCC32 is continuously repeated in a method step EEE. If the result of this repeated determination is that the transmission of the data is permissible, the request (request) is removed from the queue.
  • the mobile communication gateway 11 accepts the transmission of the data in a method step CCC5.
  • the mobile communication gateway 11 reads the data in a method step DDD via a get operation from the land-based device 5.
  • the land-side determination according to method step CCC is repeated continuously after the request CCC1 in a method step EEEE. If the result of this repeated determination (before the get operation DDD) is that the transmission of the data is not permissible, the get operation is rejected by the ground communication gateway 21 . In this case, the ground communication gateway 21 enters the get operation in a queue.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP21190062.6A 2020-09-02 2021-08-06 Transmission des données entre un véhicule guidé sur rails et un dispositif terrestre Pending EP3964419A1 (fr)

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DE102020211046 2020-09-02

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EP3964419A1 true EP3964419A1 (fr) 2022-03-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4299413A1 (fr) * 2022-06-30 2024-01-03 Siemens Mobility GmbH Procédé, dispositif de planification et système de communication pour une transmission de données entre des véhicules guidés sur rails et un dispositif côté terrain
EP4311737A1 (fr) * 2022-07-29 2024-01-31 Siemens Mobility GmbH Procédé et système de transmission de données pendant le déplacement d'un véhicule guidé
WO2024041940A1 (fr) * 2022-08-24 2024-02-29 Siemens Mobility GmbH Transmission de blocs de données utilisant un processus de stockage intermédiaire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007147700A1 (fr) 2006-06-22 2007-12-27 Siemens Aktiengesellschaft Procédé pour la transmission de données
DE102011085304A1 (de) * 2011-10-27 2013-05-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur drahtlosen Kommunikation mit einem Schienenfahrzeug
WO2020249366A1 (fr) * 2019-06-12 2020-12-17 Siemens Mobility GmbH Procédé pour établir une liaison de données sans fil entre un véhicule et une unité extérieure, unité d'établissement de liaison et véhicule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007147700A1 (fr) 2006-06-22 2007-12-27 Siemens Aktiengesellschaft Procédé pour la transmission de données
DE102011085304A1 (de) * 2011-10-27 2013-05-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur drahtlosen Kommunikation mit einem Schienenfahrzeug
WO2020249366A1 (fr) * 2019-06-12 2020-12-17 Siemens Mobility GmbH Procédé pour établir une liaison de données sans fil entre un véhicule et une unité extérieure, unité d'établissement de liaison et véhicule

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4299413A1 (fr) * 2022-06-30 2024-01-03 Siemens Mobility GmbH Procédé, dispositif de planification et système de communication pour une transmission de données entre des véhicules guidés sur rails et un dispositif côté terrain
EP4311737A1 (fr) * 2022-07-29 2024-01-31 Siemens Mobility GmbH Procédé et système de transmission de données pendant le déplacement d'un véhicule guidé
WO2024041940A1 (fr) * 2022-08-24 2024-02-29 Siemens Mobility GmbH Transmission de blocs de données utilisant un processus de stockage intermédiaire

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