EP3577006A1 - Dispositif pour la détermination d'au moins une valeur de mesure liée à un lieu et/ou à au moins une grandeur de mouvement d'un véhicule guidé ainsi que procédé pour faire fonctionner un tel dispositif - Google Patents

Dispositif pour la détermination d'au moins une valeur de mesure liée à un lieu et/ou à au moins une grandeur de mouvement d'un véhicule guidé ainsi que procédé pour faire fonctionner un tel dispositif

Info

Publication number
EP3577006A1
EP3577006A1 EP18710383.3A EP18710383A EP3577006A1 EP 3577006 A1 EP3577006 A1 EP 3577006A1 EP 18710383 A EP18710383 A EP 18710383A EP 3577006 A1 EP3577006 A1 EP 3577006A1
Authority
EP
European Patent Office
Prior art keywords
integrity level
safety integrity
track
safety
confidence interval
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.)
Granted
Application number
EP18710383.3A
Other languages
German (de)
English (en)
Other versions
EP3577006B1 (fr
Inventor
Bernhard PÖSEL
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
Original Assignee
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 EP3577006A1 publication Critical patent/EP3577006A1/fr
Application granted granted Critical
Publication of EP3577006B1 publication Critical patent/EP3577006B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
    • 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
    • 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
    • B61L25/026—Relative localisation, e.g. using odometer

Definitions

  • Device for determining at least one measured value related to a location and / or at least one movement variable of a track-bound vehicle and method for operating such a device
  • ⁇ sensors may be, for example, Wegimpulsgeber, acceleration sensors, radar systems, Baiisensysteme or satellite-based sensors or Ortungssys ⁇ systems, such as on the basis of GPS (Global Positioning System), act.
  • GPS Global Positioning System
  • SIL safety integrity level
  • the safety integrity level is the highest and the Safety Integrity Level 1 is the lowest level of safety integrity.
  • the respective safety integrity level affects the confidence interval of a measured value embarkge ⁇ Given that the confidence interval is particularly great in the case that the part is to meet the respective device, a high safety integrity level or be ⁇ riding determine.
  • limitations due to relatively inaccurate readings and so ver ⁇ -bound comparatively large confidence interval in particular ⁇ sondere result of such systems that meet the highest safety integrity level SIL 4 or SIL3.
  • a device of the type mentioned is beispielswei ⁇ se from the German patent application DE 10 2005 046 456 AI known.
  • This describes a device in which sensor data from several sensors are combined and, taking into account the respective sensor quality, the location or the respective motion variable of the track-bound vehicle is determined.
  • the present invention is based on the object of specifying a device for determining at least one measured value relating to a location and / or at least one movement variable of a track-bound vehicle which can be flexibly adjusted. can be set and at the same time reduces operational restrictions due to inaccurate measured values and associated large confidence intervals.
  • the device In the context of the present invention may be in the at least one quantity of motion in particular to a distance traveled by the track-bound vehicle travel distance, a Ge ⁇ speed of the track-bound vehicle and / or a Be ⁇ acceleration of the track-bound vehicle to act.
  • The/2017in- least one measured value may be the direct result of a Mes ⁇ solution or a value derived from one or more corresponding measurement or determined value.
  • the device according to the invention is designed such that a safety integrity level can be predetermined.
  • a safety integrity level can be predetermined.
  • This ⁇ be indicated that the device according to the invention deviating start of the previously known corresponding devices in the determination of measured values of the location and / or the at least one movement variable of the tracked vehicle different safety integrity level or can lay zugrun ⁇ de.
  • the security integrity level is not fixed, but flexibly predetermined.
  • the device detects the respective measurement value, a corresponding confidence interval. In the event that the device is given a lower safety integrity level, it will thus determine a smaller confidence interval than in the case that it is given a higher security integrity level.
  • the device according to the invention has the advantage that it is not set to a safety integrity level. Instead, the same device for the realization of different safety integrity level can be used to ⁇ . To avoid misunderstandings, it should be pointed out at this point that a safety integrity level specified for the device will generally have an effect on the determination of the respective confidence interval.
  • a Vorrich ⁇ processing which is to meet for example the highest Safety Integrity ⁇ level SIL4 is and possibly also by software basically perform hardware so that this safety integrity level is reached relationship ⁇ as can be achieved. This may include, for example, using a fail-safe computer and developing the software in accordance with applicable regulations.
  • the device according to the invention can therefore basically be SIL4-compatible, for example, it is characterized by the fact that it is able to determine the confidence intervals of the measured values in accordance with different safety integrity levels with respect to the measured variables it provides ,
  • the size of the respective confidence interval insbeson ⁇ particular depends on the figures underlying the respective Safety Integrity Level confidence from.
  • a confidence interval ⁇ for example, at a confidence level of 95% significantly less than in the case of a confidence level of 99 to 9999%.
  • the device according to the invention will be arranged on the vehicle side or be provided for use on the vehicle side.
  • the device may optionally include trackside components depending on the particular implementation.
  • the ⁇ special is that the determination of the superiors of the respective In principle, the given security integrity level can be dependent on the trust interval on both the vehicle side and the side of the route.
  • Vorrich ⁇ processing is preferably configured fail safe. This means that by means of appropriate measures known per se to the person skilled in the art of railway signaling, it is ensured that the device satisfies the particularly stringent safety requirements of railway operations in accordance with the regulations applicable by the respective licensing authority. In this case, a corresponding signal-technically secure execution will generally be expedient or necessary, in particular with regard to the specification of the security integrity level and the determination of the confidence interval dependent on the respective given security integrity level.
  • the device according to the invention is designed such that its
  • the device according to the invention also ⁇ art may further be formed such that the safety integrity level of the device is predetermined by a corresponding configuration, parameter or setting.
  • a specification of the safety integrity level of Vorrich ⁇ processing by a corresponding configuration, parameter or setting is advantageous in that thereby the respective desired or required safety level of health integrity is adjustable in a particularly simple and flexible manner.
  • the configuration, parameterization or setting can advantageously be effected in particular software-based. This may for example with- means of a corresponding configuration parameter happen used depending on the value of the device different safety integrity level Bezie ⁇ hung as are recognized.
  • the safety integrity level of the device can be predetermined depending on the application and / or situation. This makes it advantageously possible for example that applications rela ⁇ hung as features that have high security requirements, with a conservative, that is great, Chrissinter- can count or work. In a corresponding function may take an overall point security with safety integrity level rela ⁇ hung as safety integrity level SIL4 act, for example. On the other hand, applications or functions for which a smaller safety integrity level is sufficient, ie for example, a change of passengers or a passenger evacuation, expect a smaller confidence interval or work and thus improved, adapted to the specific safety integrity level achieved accuracy Exactly ⁇ .
  • the device according to the invention can also be white ⁇ ned, and the at least output a measured value as well as the confidence interval determined for this at a Steuereinrich ⁇ processing of a train control system.
  • the device according to the invention can also be white ⁇ ned, and the at least output a measured value as well as the confidence interval determined for this at a Steuereinrich ⁇ processing of a train control system.
  • Quantities are used by the control device of the train control system in the control or securing the track bound ⁇ nen vehicle.
  • the invention further comprises a train control system with at least one device according to the invention or at least one device according to one of the previously described preferred developments of the device according to the invention.
  • the present invention furthermore relates to a method for operating a device for determining at least one nes measured value on a location and / or at least a movement amount ei ⁇ nes track-bound vehicle.
  • the object of the present invention is a method for operating a device for determining at least one location
  • This object is inventively achieved by a method for operating an apparatus for determining at least nes egg related to a location and / or at least one movement variable ei ⁇ nes track-bound vehicle measured value, wherein the device is a safety integrity level is defined and from the device to the measured value or to at least ei ⁇ nem of the measurement values is ermit ⁇ telt by the respective predefined safety and beauty integrity level dependent confidence interval.
  • the method according to the invention can also be designed such that the security integrity level of the device by an appropriate configuration, parameterization or setting is specified.
  • a track-bound vehicle 10 in the form of a rail vehicle can be seen.
  • it could also be a track-guided vehicle with rubber tires or a magnetic levitation train ⁇ at the track-bound vehicle 10, for example.
  • the track-bound vehicle 10 moves along a track or a track 100.
  • ge ⁇ accurate information is required in particular with respect to the respective location and the respective speed of the track-bound vehicle 10.
  • the location may be absolute or distance or traveled
  • Range relative to a reference point can be specified.
  • the acceleration of the track-bound vehicle can also be detected or determined as a movement variable and used for the control of the track-bound vehicle 10.
  • the tracked vehicle 10 includes a device 20, which may also be referred to as an odometry device.
  • the device 20 comprises a computer or odometry computer 30, which is designed to be safe in terms of signaling.
  • a first sensor 40 is connected communication technology, which may be, for example, a Wegimpulsgeber or a radar device.
  • the computer 30 is also connected to a second sensor 50 in terms of communication technology, which can serve, for example, for satellite-based position determination, for example by means of GPS, and for this purpose is connected to an antenna 60.
  • the device 20 could also comprise any other sensors known per se.
  • the computer 30 of the device 20 is furthermore connected to a memory device 70.
  • control software ie, for example, control software
  • an electronic route atlas ie, for example, control software
  • / or configuration parameters ie, for example, configuration parameters.
  • the figure shows only a schematic representation. This means that white ⁇ tere se known components are not shown for reasons of clarity and the device can also be constructed to ⁇ DERS 20th
  • the food may alternatively consist of several separate storage devices.
  • the computer 30 and the memory device 70 can of course also be designed as a common component.
  • the device 20 or, in the exemplary embodiment illustrated, the computer 30 thereof provides the control device 80 with measured values which relate to a location and / or at least one movement variable of the tracked vehicle 20.
  • control and securing of the track-bound vehicle 10 takes place by the control computer 80, optionally in conjunction with further vehicle-side and / or track-side components.
  • the safety integrity level or the safety requirement level of the train control system is ie ⁇ play SIL4, even in the case ensure or to ensure that the services provided by the device 20 measured values or data has a comparatively great inaccuracy.
  • the measured values have here in each case a loading accuracy relationship as inaccuracy indication in the form of a confidence interval on ⁇ .
  • the confidence interval indicates the recuperzi ⁇ sion able estimate of the respective measurement variable, wherein in each case a confidence level is assumed.
  • the confidence interval is ver ⁇ enlarges accordingly, with the result that the performance of the train control system may be limited. This is particularly true in relation to a possible VELOCITY ⁇ keitsreduzi réelle of the track-bound vehicle 10 and an enlarged attaching safety distances before Ge ⁇ drive points.
  • prior art devices in the form of appropriate
  • Odometry means is unchangeable with respect to certain measured values defined on a fixed safety integrity level of the connection between the Safety Integrity Level and the respective Carnegiesin ⁇ interval.
  • fixed safety integrity level is frequently ⁇ fig or usually to the highest safety integrity level SIL4.
  • SIL4 the highest safety integrity level
  • the fixed safety integrity level is adhered to each level of safety integrity is developed so that the device is specific to this safety integrity level, ie, for example, SIL2 or SIL4.
  • the device 20 is characterized by the fact that it can be specified a safety integrity level.
  • the corresponding specification of the security integrity level can take place in terms of hardware or software, in particular by means of an appropriate configuration, parameterization or setting. So it is for example conceivable that the depending ⁇ stays awhile safety integrity level by one in the storage device 70 stored configuration parameters
  • the device 20 is thus able to operate with a plurality of different levels of security integrity and to establish confidence intervals for the particular measured values, which depend on the respective given safety integrity level.
  • the security integrity levels are thus scalable to a high level
  • the apparatus of the invention enable and inventive Ver ⁇ drive the the result is a balancing between the respective safety requirements (defined by the respective Safety Integrity Level) and the respective confidence ⁇ interval (of provided measurement values or the associated confidence level, ie ultimately the underlying or required accuracy).

Landscapes

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

Abstract

L'invention concerne un dispositif (20) pour la détermination d'au moins une valeur de mesure liée à un lieu et/ou à au moins une grandeur de mouvement d'un véhicule guidé (10). Selon l'invention, le dispositif (20) est formé de telle façon qu'un niveau d'intégrité de sécurité peut lui être prédéfini. Le dispositif (20) détermine en outre pour la valeur de mesure ou pour au moins une des valeurs de mesure un intervalle de confiance dépendant du niveau d'intégrité de sécurité prédéfini. Le dispositif (20) selon l'invention peut être utilisé de manière flexible et réduit en même temps les restrictions opérationnelles dues à des valeurs de mesure imprécises et aux grands intervalles de confiances qui y sont liés. L'invention concerne en outre un procédé pour faire fonctionner un tel dispositif (20).
EP18710383.3A 2017-03-30 2018-03-01 Dispositif pour la détermination d'au moins une valeur de mesure liée à un lieu et/ou à au moins une grandeur de mouvement d'un véhicule guidé ainsi que procédé pour faire fonctionner un tel dispositif Active EP3577006B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017205456.5A DE102017205456A1 (de) 2017-03-30 2017-03-30 Vorrichtung zur Bestimmung zumindest eines auf einen Ort und/oder zumindest eine Bewegungsgröße eines spurgebundenen Fahrzeugs bezogenen Messwertes sowie Verfahren zum Betreiben einer solchen Vorrichtung
PCT/EP2018/055043 WO2018177677A1 (fr) 2017-03-30 2018-03-01 Dispositif pour la détermination d'au moins une valeur de mesure liée à un lieu et/ou à au moins une grandeur de mouvement d'un véhicule guidé ainsi que procédé pour faire fonctionner un tel dispositif

Publications (2)

Publication Number Publication Date
EP3577006A1 true EP3577006A1 (fr) 2019-12-11
EP3577006B1 EP3577006B1 (fr) 2021-01-27

Family

ID=61622540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18710383.3A Active EP3577006B1 (fr) 2017-03-30 2018-03-01 Dispositif pour la détermination d'au moins une valeur de mesure liée à un lieu et/ou à au moins une grandeur de mouvement d'un véhicule guidé ainsi que procédé pour faire fonctionner un tel dispositif

Country Status (6)

Country Link
US (1) US11772693B2 (fr)
EP (1) EP3577006B1 (fr)
CN (1) CN110475704B (fr)
DE (1) DE102017205456A1 (fr)
ES (1) ES2867580T3 (fr)
WO (1) WO2018177677A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019204519A1 (de) * 2019-03-29 2020-10-01 Siemens Mobility GmbH Verfahren zum Erkennen von systematischen Abweichungen beim Bestimmen einer Bewegungsgröße eines bodengebundenen, insbesondere schienengebundenen, Fahrzeugs
CA3158147C (fr) * 2019-12-10 2024-04-09 Alon Green Systeme et procede de surveillance de l'integrite de positionnement d'un vehicule

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722899A1 (de) * 1997-05-29 1998-12-03 Siemens Ag Verfahren zum Bilden des sicherheitsrelevanten Vertrauensintervalls einer Ortungslösung
ATE352467T1 (de) * 2002-11-07 2007-02-15 Siemens Schweiz Ag Verfahren zur lage- und geschwindigkeitsbestimmung
PL1720754T3 (pl) * 2004-03-05 2009-07-31 Alstom Belgium Sa Sposób i urządzenie do niezawodnego wyznaczania położenia obiektu
DE102005046456B4 (de) 2005-09-20 2007-06-06 Siemens Ag Verfahren zur Bestimmung des Orts und/oder einer Bewegungsgröße von sich bewegenden Objekten, insbesondere von sich bewegenden spurgebundenen Fahrzeugen
PT1788461E (pt) * 2005-11-22 2009-09-24 Faculte Polytechnique De Mons Dispositivo e método para conceber uma configuração de sensores para um sistema de segurança automatizado sistema automatizado, elemento de programa e um meio legível por computador
CN102358334A (zh) * 2011-08-30 2012-02-22 北京交通大学 列车防撞预警系统
FR2988064B1 (fr) 2012-03-15 2014-04-18 Alstom Transport Sa Systeme embarque de generation d'un signal de localisation d'un vehicule ferroviaire
CN104139789B (zh) * 2014-07-30 2016-08-17 北京铁路信号有限公司 一种车载列车自动防护机柜检测设备
CN105539522A (zh) * 2015-12-21 2016-05-04 株洲南车时代电气股份有限公司 一种基于二乘二取二安全计算机架构的列车运行监控装置及用于该列车运行监控装置的方法

Also Published As

Publication number Publication date
DE102017205456A1 (de) 2018-10-04
US11772693B2 (en) 2023-10-03
ES2867580T3 (es) 2021-10-20
CN110475704B (zh) 2021-10-29
EP3577006B1 (fr) 2021-01-27
WO2018177677A1 (fr) 2018-10-04
US20200023869A1 (en) 2020-01-23
CN110475704A (zh) 2019-11-19

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