EP3549841B1 - Train traffic control system and method for carrying out safety critical operations within a train traffic control system - Google Patents

Train traffic control system and method for carrying out safety critical operations within a train traffic control system Download PDF

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Publication number
EP3549841B1
EP3549841B1 EP18166202.4A EP18166202A EP3549841B1 EP 3549841 B1 EP3549841 B1 EP 3549841B1 EP 18166202 A EP18166202 A EP 18166202A EP 3549841 B1 EP3549841 B1 EP 3549841B1
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EP
European Patent Office
Prior art keywords
control system
route
command
rtcs
train control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18166202.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3549841A1 (en
Inventor
Michael Schäfer
Klaus Michael SCHULDES
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.)
Thales Management and Services Deutschland GmbH
Original Assignee
Thales Management and Services Deutschland 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
Priority to LTEP18166202.4T priority Critical patent/LT3549841T/lt
Application filed by Thales Management and Services Deutschland GmbH filed Critical Thales Management and Services Deutschland GmbH
Priority to PL18166202.4T priority patent/PL3549841T3/pl
Priority to EP18166202.4A priority patent/EP3549841B1/en
Priority to ES18166202T priority patent/ES2919925T3/es
Priority to SI201830695T priority patent/SI3549841T1/sl
Priority to RS20220543A priority patent/RS63288B1/sr
Priority to HRP20220807TT priority patent/HRP20220807T1/hr
Priority to PT181662024T priority patent/PT3549841T/pt
Priority to DK18166202.4T priority patent/DK3549841T3/da
Priority to HUE18166202A priority patent/HUE059124T2/hu
Priority to RS20220616A priority patent/RS63339B9/sr
Priority to SI201830714T priority patent/SI3549842T1/sl
Priority to PL18177217.9T priority patent/PL3549842T3/pl
Priority to LTEP18177217.9T priority patent/LT3549842T/lt
Priority to HUE18177217A priority patent/HUE059058T3/hu
Priority to HRP20220827TT priority patent/HRP20220827T1/hr
Priority to EP18177217.9A priority patent/EP3549842B9/en
Priority to PT181772179T priority patent/PT3549842T/pt
Priority to ES18177217T priority patent/ES2923182T3/es
Priority to DK18177217.9T priority patent/DK3549842T5/da
Priority to KR1020207031789A priority patent/KR102536023B1/ko
Priority to PCT/EP2019/058618 priority patent/WO2019193145A1/en
Priority to AU2019249938A priority patent/AU2019249938B2/en
Publication of EP3549841A1 publication Critical patent/EP3549841A1/en
Priority to SA520420235A priority patent/SA520420235B1/ar
Application granted granted Critical
Publication of EP3549841B1 publication Critical patent/EP3549841B1/en
Active legal-status Critical Current
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • B61L21/06—Vehicle-on-line indication; Monitoring locking and release of the route
    • 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
    • B61L27/30—Trackside multiple control systems, e.g. switch-over between different systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation
    • B61L2019/065—Interlocking devices having electrical operation with electronic means

Definitions

  • the invention concerns a train traffic control system comprising a traffic management system for executing safety critical operations, a route and train control system, and a command and status adapter, wherein the train traffic control system is adapted to exchange information and commands between the traffic management system and the route and train control system via the command and status adapter, and wherein the command and status adapter comprises software components for carrying out functions with basic integrity, wherein the traffic control system further comprises at least one software component for carrying out a function for controlling safety critical operations.
  • the invention also concerns a method for carrying out safety critical operations within a train traffic control system.
  • Route and train control systems are adapted to manage safely the routes and movement-authorities in the railway network for running trains and to control protect and protect trains from running to fast or beyond their end of movement-authority.
  • Route and train control systems can comprise an interlocking system, a radio-block-center or a similar system.
  • the different route and train control systems which have to be controlled by the remote operator, transmit status information to the traffic management system in form of specific protocols.
  • the command and status adapter (COST-adapter) converts the specific protocols to generic protocols and provides the status of the route and train control system for further processing by the traffic management system in a normalized form. Additionally it converts operational commands to the specific format of a specific route and train control system.
  • the traffic management system comprises a human machine interface for operating the route and train control system by a human operator.
  • the route and train control system receives commands from the traffic management system concerning regular operation as well as concerning safety critical operations for supervision of an approval procedure.
  • Safety critical operations are carried out in special operational situations or in case of disturbances by using the route and train control system.
  • safety critical operations are instructed by the operator while bypassing elements of the route and train control system (e.g. the radio block center or the interlocking system).
  • Safety critical operations are operator actions, e.g. safety critical route clearing, safety critical point change, etc., i.e. the operator can circumvent a safe setting of the system.
  • COST-adapter are therefore developed based on fail-safe computer systems (for example as the SAM or SCM on basis of the Thales proprietary TAS-PLF System). Yet, this results in high hardware costs for this dedicated computer and also in high costs for software development, integration and test, because all these components have to developed according a high Safety Integrity Level (typically SIL4) according the standard EN 50128 [4].
  • SIL4 Safety Integrity Level
  • [5] discloses an interlocking computer system as well as a method for error disclosure when displaying information concerning auxiliary controls (Hilfsbedienungen).
  • the system comprises an operating channel with SIL 0 and a reference channel with a higher SIL level.
  • the operating channel is used to send auxiliary operation instructions to the ESTW interlocking.
  • the reference channel provides the display backup.
  • a data link exists between the operating channel and the reference system, via which element specifics of the elements relevant for operation can be requested and transmitted.
  • the reference system reads a relevant image section from the display and uses it to form a checksum, which is compared with a checksum from process status data from the operating channel. This allows the operating channel to have a SIL level of 0.
  • [6] concerns monitoring of the execution of regular operations by the control system. [6] teaches how to ensure that regular operations are performed correctly as long as no exceptional situation occurs, such as a malfunction of a monitoring device.
  • the function for controlling safety critical operations is outsourced from the command and status adapter (COST-adapter).
  • COST-adapter the safety related functions (function for controlling safety critical operations) are functional separated from the functions with basic integrity and can (but don't have to be installed in separate locations.
  • the COST-adapter is developed according SILO, which is much cheaper compared to the high safety level COST-adapter known from the state of the art.
  • the function for controlling safety critical operations is integrated in the route and train control system. No further computer is required. This makes this embodiment especially cost effective. Yet an additional function has to be integrated in all route and train control systems, which are to be managed by the traffic management system.
  • system further comprises a controller, which is separated from the command and status adapter (COST), wherein the function for controlling safety critical operations is integrated in the controller.
  • COST command and status adapter
  • the controller is adapted to control safety critical operations. No further functions have to be integrated in the route and train control system. Thus, command and status adapter of foreign companies can be used.
  • the traffic control system comprises route and train control systems of different types, e.g. electronic interlocking systems and relay based interlocking systems or interlocking systems produced by different companies.
  • the software components for carrying out functions with basic integrity for the different types of route and train control system are provided within one (the same) computer. Due to the low safety level, which is required for the command and status adapter of the present invention, only little power is required for operating the command and status adapter. Thus, several functions with basic integrity for the different types of route and train control system can be supplied with power by the same computer.
  • the controller is adapted to control safety critical operations for all types of route and train control systems of the traffic control system.
  • At least one of the functions with basic integrity is integrated in the traffic management system.
  • the according software components can be integrated in an operator workstation.
  • the traffic management system then comprises at least parts of the COST-adapter. In case all functions with basic integrity are integrated in the traffic management system, no separate computer is required for the command and status adapter.
  • the command and status adapter comprises a decrypter. This allows transmission of encrypted messages comprising information concerning safety critical operations via the command and status adapter, thereby ensuring that the command and status adapter cannot modify the message unintendedly.
  • the decryptor is preferably arranged at the output side.
  • decryption of the messages can be carried out within the route and train control system.
  • Encryption of the messages can be carried out within the controller (if applicable).
  • the controller comprises an encryptor.
  • the functions with basic integrity comprise the function of adaption of regular operations and/or the function of adaption a status of the route and train control system, and/or the function of converting protocols to be transmitted between the route and train control system, and the traffic management system.
  • the invention also concerns a method for carrying out safety critical operations within a train traffic control system comprising a traffic management system a route and train control system, and a command and status adapter, the method comprising the steps of claim 10.
  • safety critical operations are controlled outside the command and status adapter, i.e. in a dedicated component for carrying out a function for controlling safety critical operations.
  • the messages are transmitted via the command and status adapter. Only one interface is required at the route and train control system.
  • the safety critical operations are controlled within the route and train control system.
  • the safety critical operations are controlled within a controller, which is separated from the command and status adapter.
  • the inventive architectural principle of separation of basic integrity components (SILO) and safety related components (SIL>0) enables cost effective control of different types of route and train control systems.
  • Fig. 1 shows an architecture of a traffic control system for executing safety critical operations according to the state of the art.
  • a route and train control system RTCS is connected with a traffic management system TMS. Between traffic management system TMS and route and train control system TRCS status information and commands are exchanged. Since traffic management system TMS and route and train control system RTCS in general are not compatible concerning type of executable protocols, a command and status adapter COST' is provided which comprises functions for conversion of protocols, adaption of regular operations, adaption of status of the route and train control system RTCS and controlling safety critical operations. The command and status adapter COST'. In order to ensure the required safety the command and status adapter COST has to be developed on a high safety level (SIL>0).
  • SIL high safety level
  • the function for controlling safety critical operations is separated/outsourced from the command and status adapter COST and is provided separately.
  • safety related functions and functions with basic integrity are separated.
  • the command and status adapter COST does not comprise safety related functions, but only comprises functions with basic integrity, and is thus developed on a lower safety level SILO.
  • Fig. 2a shows the architecture of a first embodiment of the inventive traffic control system with a modified command and status adapter COST.
  • the command and status adapter COST according to the invention comprises software components in order to carry out the function of adaption of regular operations of the route and train control system, the function of adaption of a status of the route and train control system to the internal data model of the traffic control system, and the function of converting protocols of information/commands to be sent from the traffic management system TMS to the route and train control system RTCS from a generic protocol to a specific protocol and converting protocols of information to be sent from the route and train control system RTCS to the traffic management system TMS from a specific protocol to a generic protocol respectively.
  • the function for controlling safety critical operations is integrated in the route and train control system RTCS (instead of the command and status adapter COST'). I.e. the software components that controls the safety critical operation is transferred to the RTCS.
  • the remaining functionality of the command and status adapter COST is not safety related anymore. So, the command and status adapter COST is developed according SILO, which reduces the cost drastically compared to the command and status adapter COST' known from the state of the art.
  • Fig. 2b shows an according architecture for a traffic control system comprising multiple types of route and train control systems RTCS (type 1,..., type n). Only one command and status adapter COST is required which comprises the required software components (functions for adaption of regular operation, adaption of status and for conversion of protocols) for a multitude of types, preferably for all types of route and train control systems RTCS, which are connected to the respective traffic management system TMS.
  • COST command and status adapter
  • This first embodiment is particularly interesting for route and train control systems RTCS which are built by the same manufacturer as the other components of the traffic control system.
  • a second embodiment of the inventive traffic control system is preferable.
  • an additional computer controller CTRL
  • the software component that controls the safety critical operation is integrated in the controller CTRL.
  • the controller CTRL is connected to the traffic management system TMS for exchanging commands/information in form of generic protocols.
  • the procedure for exchanging information between controller CTRL and the traffic management system TMS checks that the correct safety critical operation will be executed. The result of this check, i.e.
  • the correct safety critical operation is then sent from the controller CTRL through the command and status adapter COST to the route and train control system RTCS, typically in an encrypted format, so that an unintended modification by the command and status adapter COST (that is implemented only with SILO) can be detected by the route and train control system RTCS.
  • SILO System for Lucent Reliable and Low Latency
  • Fig. 3b shows an according architecture for a traffic control system comprising multiple types of route and train control systems RTCS (type 1,..., type n).
  • RTCS route and train control systems
  • COST command and status adapter
  • a multitude of types preferably for all types of route and train control systems RTCS, which are connected to the respective traffic management system TMS.
  • controller CTRL comprising the software component for controlling safety critical operations is required for the multitude of route and train control systems RTCS.
  • the remaining functionalities inside the command and status adapter COST are adapted to only transmit the messages concerning the safety critical operation (instead of transmitting and processing).
  • the command and status adapter COST according to the invention works like a "transparent channel”. Otherwise, the function "Control safety critical operation” could not detect any misbehavior with the required safety integrity.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP18166202.4A 2018-04-06 2018-04-06 Train traffic control system and method for carrying out safety critical operations within a train traffic control system Active EP3549841B1 (en)

Priority Applications (24)

Application Number Priority Date Filing Date Title
PL18166202.4T PL3549841T3 (pl) 2018-04-06 2018-04-06 System sterowania ruchem pociągów i sposób wykonywania operacji o kluczowym znaczeniu dla bezpieczeństwa w systemie sterowania ruchem pociągów
EP18166202.4A EP3549841B1 (en) 2018-04-06 2018-04-06 Train traffic control system and method for carrying out safety critical operations within a train traffic control system
ES18166202T ES2919925T3 (es) 2018-04-06 2018-04-06 Sistema de control de tráfico de trenes y método para llevar a cabo operaciones críticas para la seguridad dentro de un sistema de control de tráfico de trenes
SI201830695T SI3549841T1 (sl) 2018-04-06 2018-04-06 Sistem za vodenje železniškega prometa in postopek za izvajanje varnostno kritičnih operacij znotraj sistema za vodenje železniškega prometa
RS20220543A RS63288B1 (sr) 2018-04-06 2018-04-06 Sistem za kontrolu železničkog saobraćaja i postupak za izvođenje bezbednosnih kritičnih operacija unutar sistema za kontrolu železničkog saobraćaja
HRP20220807TT HRP20220807T1 (hr) 2018-04-06 2018-04-06 Sustav kontrole prometa vlakova i postupak za izvođenje radova kritičnih za sigurnost unutar sustava kontrole prometa vlakova
PT181662024T PT3549841T (pt) 2018-04-06 2018-04-06 Sistema de controlo do tráfego ferroviário e método para realizar operações críticas de segurança num sistema de controlo do tráfego ferroviário
DK18166202.4T DK3549841T3 (da) 2018-04-06 2018-04-06 Togtrafikstyringssystem og fremgangsmåde til udførelse af sikkerhedskritiske operationer i et togtrafikstyringssystem
HUE18166202A HUE059124T2 (hu) 2018-04-06 2018-04-06 Vonatforgalom irányító rendszer és eljárás biztonság szempontjából kritikus mûveletek végrehajtására egy vonatforgalom irányító rendszerben
LTEP18166202.4T LT3549841T (lt) 2018-04-06 2018-04-06 Traukinių eismo reguliavimo sistema ir svarbių saugos požiūriu operacijų vykdymo traukinių eismo reguliavimo sistemoje būdas
DK18177217.9T DK3549842T5 (da) 2018-04-06 2018-06-12 Togtrafikstyringssystem og fremgangsmåde til sikker visning af en tilstandsindikation af et rute- og togstyringssystem
PL18177217.9T PL3549842T3 (pl) 2018-04-06 2018-06-12 System sterowania ruchem pociągów i sposób bezpiecznego wyświetlania wskazania stanu systemu sterowania trasami i pociągami
RS20220616A RS63339B9 (sr) 2018-04-06 2018-06-12 Sistem za kontrolu železničkog saobraćaja i postupak za bezbedno prikazivanje pokazatelja stanja sistema za kontrolu rute i voza
HUE18177217A HUE059058T3 (hu) 2018-04-06 2018-06-12 Vasúti forgalomirányító rendszer és eljárás egy vágányút- és vonatbefolyásoló rendszer állapotjelzésének biztonságos megjelenítésére
HRP20220827TT HRP20220827T1 (hr) 2018-04-06 2018-06-12 Sustav za upravljanje željezničkim prometom i postupak prikazivanja indikacije sigurnog stanja sustava za upravljanje vlakovima
EP18177217.9A EP3549842B9 (en) 2018-04-06 2018-06-12 Train traffic control system and method for safe displaying a state indication of a route and train control system
PT181772179T PT3549842T (pt) 2018-04-06 2018-06-12 Sistema de controlo do tráfego ferroviário e método para visualização segura de uma indicação de estado de um sistema de controlo ferroviário e de itinerários
ES18177217T ES2923182T3 (es) 2018-04-06 2018-06-12 Sistema de control de tráfico de tren y método para visualizar con seguridad una indicación de estado de una ruta y sistema de control de tren
SI201830714T SI3549842T1 (sl) 2018-04-06 2018-06-12 Sistem za nadzor železniškega prometa in način za varno prikazovanje stanja proge in nadzorni sistem vlakov
LTEP18177217.9T LT3549842T (lt) 2018-04-06 2018-06-12 Traukinių eismo reguliavimo sistema ir maršrutų bei traukinių eismo reguliavimo sistemos būsenos indikacijos saugaus rodymo būdas
KR1020207031789A KR102536023B1 (ko) 2018-04-06 2019-04-05 열차 운행 제어 시스템 및 열차 운행 제어 시스템 내에서 필수 안전 작동을 수행하는 방법
PCT/EP2019/058618 WO2019193145A1 (en) 2018-04-06 2019-04-05 Train traffic control system and method for carrying out safety critical operations within a train traffic control system
AU2019249938A AU2019249938B2 (en) 2018-04-06 2019-04-05 Train traffic control system and method for carrying out safety critical operations within a train traffic control system
SA520420235A SA520420235B1 (ar) 2018-04-06 2020-09-28 نظام تحكم في حركة قطار وطريقة لتنفيذ عمليات سلامة حرجة

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18166202.4A EP3549841B1 (en) 2018-04-06 2018-04-06 Train traffic control system and method for carrying out safety critical operations within a train traffic control system

Publications (2)

Publication Number Publication Date
EP3549841A1 EP3549841A1 (en) 2019-10-09
EP3549841B1 true EP3549841B1 (en) 2022-06-01

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EP18166202.4A Active EP3549841B1 (en) 2018-04-06 2018-04-06 Train traffic control system and method for carrying out safety critical operations within a train traffic control system

Country Status (10)

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EP (1) EP3549841B1 (da)
DK (1) DK3549841T3 (da)
ES (1) ES2919925T3 (da)
HR (1) HRP20220807T1 (da)
HU (1) HUE059124T2 (da)
LT (1) LT3549841T (da)
PL (1) PL3549841T3 (da)
PT (2) PT3549841T (da)
RS (1) RS63288B1 (da)
SI (1) SI3549841T1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110888151A (zh) * 2019-12-26 2020-03-17 卡斯柯信号(北京)有限公司 导航定位系统的测试方法及装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221714A1 (de) * 2012-11-28 2014-05-28 Siemens Aktiengesellschaft Verfahren zur Fehleroffenbarung bei einem Stellwerksrechnersystem und Stellwerksrechnersystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005020802U1 (de) * 2004-11-15 2007-03-15 Abb As Steuersystem für Schienenfahrzeuge
US8328143B2 (en) * 2008-01-17 2012-12-11 Lockheed Martin Corporation Method for isolation of vital functions in a centralized train control system
EP2879008B1 (en) * 2013-11-28 2018-07-04 Thales Management & Services Deutschland GmbH Method for handling a safety critical command in a computer network
NO2696690T3 (da) * 2014-01-29 2018-03-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221714A1 (de) * 2012-11-28 2014-05-28 Siemens Aktiengesellschaft Verfahren zur Fehleroffenbarung bei einem Stellwerksrechnersystem und Stellwerksrechnersystem

Also Published As

Publication number Publication date
PT3549842T (pt) 2022-07-20
PT3549841T (pt) 2022-06-29
DK3549841T3 (da) 2022-06-27
ES2919925T3 (es) 2022-07-29
RS63288B1 (sr) 2022-06-30
HUE059124T2 (hu) 2022-10-28
HRP20220807T1 (hr) 2022-09-30
SI3549841T1 (sl) 2022-08-31
LT3549841T (lt) 2022-07-11
EP3549841A1 (en) 2019-10-09
PL3549841T3 (pl) 2022-07-25

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