EP4126634A1 - Fahrzeugsteuerverfahren und fahrzeugsteuersystem - Google Patents
Fahrzeugsteuerverfahren und fahrzeugsteuersystemInfo
- Publication number
- EP4126634A1 EP4126634A1 EP21718036.3A EP21718036A EP4126634A1 EP 4126634 A1 EP4126634 A1 EP 4126634A1 EP 21718036 A EP21718036 A EP 21718036A EP 4126634 A1 EP4126634 A1 EP 4126634A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- new
- vehicle
- previous
- lrbg
- nid
- 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
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
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
Definitions
- the invention relates to a vehicle control method in which a trackside device initially states that the vehicle position is unreliable when a vehicle starts running.
- the invention also relates to a vehicle control system in which a trackside device is set up to initially state a vehicle position as unreliable when a vehicle starts running and to respond to a driver permission request of the vehicle with an authorization to drive in personal responsibility.
- ETCS European train control system
- ERTMS European Rail Traffic Management System
- ETCS European Train Control System
- GSM-R Global System for Mobile Communication-Railway
- ETCS in-vehicle equipment consists of several components.
- the essential component is a vehicle-side equipment in the form of an ETCS on-board device or ETCS on-board device (English: ETCS Onboard Unit, ETCS OBU for short) with a vehicle-side computer system in the form of a secure ETCS vehicle computer (English: European Vital Computer, EVC for short).
- ETCS OBU ETCS Onboard Unit
- ETCS OBU European Vital Computer
- GSM-R transmission facility including Eurora dio
- ETCS European train control system
- Level STM which from specification version SRS Baseline 3 is no longer referred to as Level STM, but as Level NTC (National Train Control);
- the route information is transmitted directly to the vehicle via balises (level 1 LS) or via the GSM-R mobile radio system (level 2 and level 3) between the vehicle and an ETCS control center (RBC) wear.
- balises level 1 LS
- GSM-R mobile radio system level 2 and level 3
- RRC ETCS control center
- level 1 level 2 and level 3 in particular, data points in the form of balises or groups of balises are used in a known manner.
- ETCS has the full functionality of train control with discontinuous transmission and continuous monitoring. Information is transmitted with balises (Eurobalises) and can be supplemented by infill elements (Infill balises or infill radio). A track-side (infrastructure-side) track vacancy report is still required.
- the functionality of the DMI means that stationary signals can be dispensed with.
- so-called transparent data balises are used in Level 1, by means of which a respective driver's permit (English: Movement Authority) is transmitted to the vehicle being driven over. They are arranged at least at the virtual locations of the main and distant signals.
- Level 2 is a train control system with continuous transmission and monitoring. This makes it possible to transfer data from the vehicle to the infrastructure.
- the vehicle is located using fixed data balises and odometry.
- the central interface between the respective vehicle and a signal box is a trackside facility in the form of an ETCS track control center (English: Radio Block Center, RBC for short).
- the interlocking is still responsible for route security and transmits information about it to the respective ETCS route control center, which in turn issues the respective driver's license nis generated.
- ETCS level 2 continuous communication between the vehicle and the route takes place using GSM-R. Track-side track vacancy detection is required.
- ETCS level 3 works in the same way as level 2, but here there is no need for track-side track vacancy detection.
- the RBC also takes on the function of track vacancy detection.
- the train completeness must be monitored by the ETCS on-board equipment.
- ETCS level 3 also enables a "moving block", so that in some cases a further increase in capacity can be achieved.
- the route is no longer divided into fixed block distances.
- balises are arranged in groups of 1-8 balises, thus forming a group of balises. At least two balises are required to recognize the direction; more are used if a larger amount of information is to be transmitted or a particularly high level of availability is required, which is achieved using redundant telegrams.
- the vehicle is located using fixed data balises, which are measured very precisely and reflect the relocated location. Between these balises, the respective vehicle is located by extrapolating the distance traveled, which is measured with the odometry. Since the extrapolation is subject to errors, this must be taken into account when calculating the vehicle position. For this purpose, a confidence interval is formed which increases linearly with increasing distance from the last position balise - i.e. the last relevant balise group (English: Last Relevant Balise Group, LRBG for short).
- ETCS modes are also defined.
- the modes describe the states in which the EVC can be. There are the following modes, among others:
- - SH (Shunting) mode mode for maneuvering; the permitted range can be specified by the ETCS; in many countries only a maximum speed of 30 km / h is allowed.
- This mode is automatically adopted by ETCS if no driver's cab is occupied and the vehicle control system recognizes the vehicle as being driven by another vehicle.
- Typical applications are push-pull train operation and multiple traction.
- Non Leading mode must be selected manually by the vehicle driver if he has to operate a motor vehicle of the vehicle (i.e., in contrast to the SL, a driver's cab is occupied), but this motor vehicle is not at the front of the vehicle.
- the vehicle may have been maneuvered to another track via switches without having to drive on and read new groups of balises. Then the position information of the ETCS on-board unit is in reality ambiguous.
- An RBC (the ETCS center) must take this possible ambiguity into account and be able to exclude it before it creates and sends a driving license for the FS operating mode or, if applicable, for the OS operating mode for the vehicle in question.
- An RBC must therefore check the position report of the vehicle at the start of a journey to determine whether the position has been caused by vehicle movements - for example under level STM, level 0 or in the operating modes SH (Shunting), SL (Sleeping) or NL (Non Leading) may have become invalid.
- the information regarding the position to which the RBC reaches via the position reports sent by the vehicle can indicate an apparent crossing of a balise group by changing the directional information, even if a balise group itself has not been read.
- the route control center can trust that a valid position transmitted by an ETCS component of the rail vehicle is also correct.
- the route control center can, for example, issue a driving license in OS mode or in FS mode for this rail vehicle.
- TAB balises at the edge of the secured section (also referred to as TAB balises; TAB: Trusted Area Border);
- TAO balises outside the secured area (also known as TAO balises; TAO: Trusted Area Outside);
- balise groups are therefore necessary for the solution with secured sections (trusted areas). This is a high cost factor for any customer project.
- balise groups are also necessary for this solution.
- the object of the invention is to provide an even more cost-efficient solution.
- the invention provides that the trackside device is in a configuration mode under each of the following two conditions (i, ii ) and only if one of these two conditions (i, ii) is fulfilled, a new vehicle position determined on the basis of a new position report of the vehicle is considered reliable:
- the invention provides that the track-side device is in a configuration mode each of the following two conditions (i, ii) and only if one of these two conditions (i, ii) is met, a new vehicle position determined on the basis of a new position report of the vehicle is deemed reliable:
- the trackside device is set up in a further configuration mode under each of the following three conditions (i, ii, iii) and only if one of these three conditions (i, ii , iii) is fulfilled, the new vehicle position determined on the basis of the new position report of the vehicle is to be stated as reliable:
- the trackside device after it has initially stated the vehicle position as unreliable, responds to a driving license request of the vehicle with an authorization to drive in personal responsibility, or if in the vehicle control system according to the invention the track-side device is set up after it has initially statuiert the vehicle position as unreliable to respond to a driver permission request of the vehicle with an authorization to drive in personal responsibility.
- the track-side device only issues a driving license to drive in a track-side mode after it has established the new vehicle position as reliable, or if the vehicle control system according to the invention has the track-side device is set up, only then to issue a driving license to drive in a track-side guided mode after it has statuiert the new vehicle position as reliable.
- a track-side computer system of the track-side device receives the position reports at a track-side interface to a communication path and, on the basis of these position reports, determines the data point identifiers, the direction information and the confidence intervals
- Vehicle control system a trackside computer system of the trackside facility is set up, the position reports on a trackside gen interface to a communication path and using these position reports to determine the data point identifiers, the direction information and the confidence intervals.
- a vehicle-based computer system of the vehicle generates the position reports on the basis of data provided on the track side by data points and data provided on the vehicle side and makes them available at a vehicle-side interface to the communication path, or if a vehicle control system according to the invention is used
- the vehicle-side computer system of the vehicle is set up to generate the position reports on the basis of data provided on the track side by data points and data provided on the vehicle side and to provide them at a vehicle-side interface to the communication path.
- the invention also relates to a track-side computer program with program instructions which, when the computer is executed by a track-side computer system, cause the computer system to carry out the steps of the method according to one of claims 1 to 6.
- the invention relates to a trackside provision device for the trackside computer program according to claim 7, wherein the trackside provision device stores and / or provides the computer program.
- the invention also relates to a vehicle-side computer program with program commands which, when the vehicle-side computer program is executed by a vehicle-side computer system, cause the vehicle-side computer system to execute the steps of generating the position reports and providing the position reports at the vehicle-side interface.
- the invention relates to a vehicle-side provision device for the vehicle-side computer program according to claim 9, wherein the vehicle-side provision device stores and / or provides the vehicle-side computer program.
- the vehicle is, for example, a track-guided vehicle, in particular a rail vehicle.
- the trackside device is, for example, an ETCS track control center, the trackside computer system being formed by at least one secure RBC computer.
- the vehicle-mounted device is, for example, an ETCS vehicle device, the vehicle-mounted computer system being formed by at least one secure vehicle computer.
- the communication path is formed by at least one GSM-R digital radio channel, for example.
- the solution to the problem according to the invention lies in the evaluation of the position reports sent by the vehicle (position reports) in relation to the crossing of a balise group.
- the reported confidence interval can remain the same if only short distances are covered, but does not exceed a total value of approx. 30m.
- the value of 30m is an empirically determined empirical value.
- Switching to SR mode enables the driver to begin driving.
- the RBC retains the "untrustworthy" position information.
- the position for a vehicle driving in the SR becomes a "credible" position in a configuration mode CM only with one of the events (i) and (ii) described below.
- an RBC recognizes the crossing of a balise group by evaluating the position reports in the one configuration mode CM through the following events:
- the vehicle reports a balise group that has changed compared to the last position report;
- the vehicle reports its position with a new LRBG, this means with a different BG than in the SoM-PR or changes its position from unknown to a known position, which can only happen when reading a new BG.
- the vehicle reports the current LRBG with a change of direction and a collapsed confidence interval within a single position report.
- the RBC is based on the fact that a cyclically sent position report cannot have a collapsed confidence interval, based on the SRS (Subset026, 3.6.4).
- the values of the new position report (the new position report) are identified with the index "new".
- the values of the last position report received before the new position report are identified with the index "old”.
- a vehicle drives over a balise group and thereby "reads” the information from this balise group, it sends a position report (English: Position Report, PR for short) with precisely this balise group just passed over as a location reference (LRBG - last relevant balise group) So in the previous PR another LRBG was reported or the position was sent as "unknown", then the reporting of a "new" LRBG is an indication that the vehicle has just passed this LRBG. The RBC can therefore trust this reported position Position becomes “trustworthy” ("credible”).
- a vehicle starts up again after turning (e.g. vehicle has entered a terminus such as Leipzig or Stuttgart and must now exit in the opposite direction), it sends a SoM-PR in which the position of the vehicle in relation to a LRBG is sent, which is in front of the vehicle tip of the "turned around" vehicle. If the vehicle drives off now, it will run over the LRBG last driven over again, but now in the surrounding area. in the opposite direction than before entering the station. As a result, the LRBG always remains the same in the PR sent, but the directional information with regard to this LRBG changes. In addition, when the Beauty group crossing is recognized again, the distance measurement error is reset on the vehicle side, which results in a coincident confidence interval. The combination of a simultaneous change in directional information and a coincident confidence interval is seen as a reliable indicator that the vehicle has actually driven over and read the LRBG.
- an RBC according to the solution according to the invention recognizes the crossing of a balise group by evaluating the position reports from the following events:
- the vehicle sends a position report in relation to the same balise group with changed direction information Q_DLRBG and unchanged confidence interval, the total size of the confidence interval not exceeding a defined size.
- the further configuration mode CM * is a function that can be configured using design data and can be activated or deactivated. You have to know that due to the definition of the UNISIG specification, a vehicle can also send / send changed direction information if, after turning, it reaches the position of the last read balise group again according to its distance measurement, but has not read the balise group itself.
- the ⁇ 12m are the initial or default value of the UNISIG specification for a confidence interval when reading a balise group.
- the ⁇ 15m are derived from empirical experience.
- the limit value GW for the confidence interval can therefore be configured; Preferably, a limit value GW non 30m is planned.
- the functional part (iii) can be switched on or off by projecting.
- Vehicle position is at least "credible”.
- there are further framework conditions for the issuance of an MA - The reported new minimum safe front end of the vehicle must approach a signal in the direction of travel AND
- the signal When the "credible" PR new is received , the signal must indicate a free travel term.
- the MA window can be used to output an MA for each subsequent signal.
- SoM start-up run also start-up (English: Start of Mission)
- T Vehicle in the form of a track-guided vehicle, in particular a special rail vehicle
- ETCS on-board unit (English: ETCS Onboard Unit)
- EVC on-board computer system in the form of a secure ETCS vehicle computer (English: European Vital Compu ter)
- RBC trackside facility in the form of an ETCS track control center (English: Radio Block Center)
- RBC-C trackside computer system in the form of a secure RBC computer (English: RBC Core)
- CPEVC further computer program executed by the on-board computer system
- GSM-R communication path in the form of at least one GSM-R radio channel (English: GSM-R radio channel)
- eP oid previous approximate vehicle position (English: previous estimated position), in particular previous approximate positions of the vehicle tip (English: pre- vious estimated train front end or previus estimated front end)
- eP new new approximate vehicle position (English: new esti mated position)
- NID_LRBG 0id based on the previous position report determined previous data point identifier in the form of an identity number or identity of a previous, last relevant balise group, LRGB 0id for short ( English: Identity of previous Last Relevant Balise Group)
- NID_LRBG new new data point identifier determined on the basis of the new position report in the form of an identity number or identity of a new, last relevant balise group, LRBG new for short (English: Identity of new Last Relevant Balise Group)
- P-CI new L_DOUBTOVERn ew + L_DOUBTUNDER new new position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020205383.9A DE102020205383A1 (de) | 2020-04-29 | 2020-04-29 | Fahrzeugsteuerverfahren und Fahrzeugsteuersystem |
| PCT/EP2021/058074 WO2021219308A1 (de) | 2020-04-29 | 2021-03-29 | Fahrzeugsteuerverfahren und fahrzeugsteuersystem |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4126634A1 true EP4126634A1 (de) | 2023-02-08 |
| EP4126634B1 EP4126634B1 (de) | 2024-06-05 |
| EP4126634C0 EP4126634C0 (de) | 2024-06-05 |
Family
ID=75478006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21718036.3A Active EP4126634B1 (de) | 2020-04-29 | 2021-03-29 | Fahrzeugsteuerverfahren und fahrzeugsteuersystem |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4126634B1 (de) |
| DE (1) | DE102020205383A1 (de) |
| ES (1) | ES2987293T3 (de) |
| WO (1) | WO2021219308A1 (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013226728A1 (de) | 2013-12-19 | 2015-06-25 | Siemens Aktiengesellschaft | Steuerung eines Schienenfahrzeugs |
| EP3235706B1 (de) * | 2016-04-20 | 2018-08-01 | ALSTOM Transport Technologies | Verfahren zur initialisierung des fs-modus zur bewegung eines zuges auf schienen mit einem ertms-/etcs-signalisierungssystem |
-
2020
- 2020-04-29 DE DE102020205383.9A patent/DE102020205383A1/de active Pending
-
2021
- 2021-03-29 WO PCT/EP2021/058074 patent/WO2021219308A1/de not_active Ceased
- 2021-03-29 ES ES21718036T patent/ES2987293T3/es active Active
- 2021-03-29 EP EP21718036.3A patent/EP4126634B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4126634B1 (de) | 2024-06-05 |
| DE102020205383A1 (de) | 2021-11-04 |
| ES2987293T3 (es) | 2024-11-14 |
| WO2021219308A1 (de) | 2021-11-04 |
| EP4126634C0 (de) | 2024-06-05 |
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