EP3697667A1 - Verfahren zum betreiben von schienenfahrzeugen im absoluten bremswegabstand - Google Patents
Verfahren zum betreiben von schienenfahrzeugen im absoluten bremswegabstandInfo
- Publication number
- EP3697667A1 EP3697667A1 EP18815520.4A EP18815520A EP3697667A1 EP 3697667 A1 EP3697667 A1 EP 3697667A1 EP 18815520 A EP18815520 A EP 18815520A EP 3697667 A1 EP3697667 A1 EP 3697667A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail vehicle
- speed
- distance
- rail
- additional distance
- 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
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/34—Control, warning or like safety means along the route or between vehicles or trains for indicating the distance between vehicles or trains by the transmission of signals therebetween
-
- 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
- B61L21/10—Arrangements for trains which are closely following one another
-
- 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 method for operating rail vehicles, wherein for a behind a vorausfah ing rail vehicle trailing rail vehicle, an absolute braking distance that avoids a collision on the vo outgoing rail vehicle or should avoid at least ver, is determined, and the trailing rail nensecurity such is operated that it complies with at least this absolute braking distance to the preceding rail vehicle.
- a method for operating rail vehicles wherein for a behind a vorausfah ing rail vehicle trailing rail vehicle, an absolute braking distance that avoids a collision on the vo outgoing rail vehicle or should avoid at least ver, is determined, and the trailing rail nensecurity such is operated that it complies with at least this absolute braking distance to the preceding rail vehicle.
- the railway standard IEEE Std 1474.1-2004 defines the basic requirements for train control systems for local traffic on CBTC (Communication-Based Train Control) basis.
- the essential parameter describing the performance is the attainable train time (referred to as the "Design Headway” in Section 5.1 of the standard).
- the Switzerlandfol is Tide from CBTC view and at CBTC systems by be realized safe spacing (as “Safe train Se ⁇ paration” (safe train separation) in Section 6.1.2 of the standard referred to) and "Safe Braking” used - Model (see brake model, see section 6.2.1 of the standard) with the parameter GEBR ("guaranteed emergency brake rate", guaranteed emergency braking deceleration) limited.
- the value GEBR is particularly critical here. Typical values are between 0.8 m / s 2 and 1.2 m / s 2 . For safety reasons, the GEBR value should be chosen small enough to cover all expected failures and environmental conditions, on the other hand, a smaller value deteriorates the achievable train time significantly. Operational practice shows that, in particular when operating on the surface (outside of tunnels), at times due to weather conditions (eg wet leaves) the rail) of the static coefficient of friction between the wheel and rail can be very small, so that then delay values of only 0.5 m / s 2 or even reached below who the.
- the invention has for its object to provide a method for operating rail vehicles, which allows a FITS safe operation of rail vehicles while still small train times.
- the invention provides that the hinterherfah-generating rail vehicle is operated such that it additional Lich to the absolute braking distance maintains an additional distance, which depends on the speed of the preceding rail vehicle.
- a significant advantage of the method according to the invention is to be seen in that a particularly large degree of operational safety is achieved by the additionally provided to rate distance, especially with regard to the above Ausure ments in connection with the uncertainty of delay values.
- the additional distance is set to zero when the preceding rail vehicle reaches or exceeds a pre-defined speed threshold.
- the set distance is preferably increased with increasing difference between the speed of the preceding rail vehicle and the speed threshold.
- the additional distance is preferably calculated according to:
- Braking delay value for the braking behavior of the vorausfah-generating rail vehicle preferably taking into account the influence of Fahrwegne Trent designated. It is particularly advantageous if the additional distance is determined as a function of a braking deceleration value which is calculated by summation of a basic deceleration value, which indicates the maximum or maximum expected deceleration of the preceding rail vehicle, and a given before Zuscherbremsverzögerungswert.
- the surcharge brake delay value is preferably determined taking into account the positional uncertainty in locating the vehicle going out of the vehicle, the greater the local uncertainty of the positioning, the greater the impact braking deceleration value.
- the speed of the trailing rail vehicle is preferably limited to the permissible retraction speed.
- the invention also relates to a Steuerein direction for operating one or more rail vehicles.
- a control device is provided that it is designed such that it can betrei ben one or more rail vehicles, in particular a trailing behind a preceding rail vehicle rail vehicles, according to a method as described above.
- the control device preferably comprises a computer and a memory in which an operating program is stored.
- the operating program preferably forms the method described above, preferably in the form of a software code.
- the computer then performs a Ver drive in the manner described above.
- the invention also relates to a railway system with at least two driving thereon Schienenfahrzeu. According to the invention with respect to such a Eisenbahnan location provided that it has a control device, as has been described above.
- the invention also relates to a rail vehicle.
- the rail vehicle has a control device, as has been described above be.
- the control device is configured such that it determines a minimum distance of its rail vehicle to a preceding rail vehicle, by summation or at least by summation of an absolute braking distance, which avoids or avoid driving on the preceding rail vehicle, and an additional distance from a velocity of the preceding rail vehicle on giving speed value depends.
- FIG. 1 shows an exemplary embodiment of a railway installation in which rail vehicles communicate directly with one another and each rail vehicle determines its minimum distance to the preceding rail vehicle itself
- FIG. 2 shows an exemplary embodiment of a railway system in which rail vehicles determine their respective location and their respective speed themselves and transmit this information to a central office, which forwards the respective information to trailing rail vehicles
- Figure 3 shows an embodiment of a railway system, in which a central location and the speed of speeding on the railway system moving rail vehicles determined and transmitted the appropriate information to the rail vehicles, so that they can determine their own minimum distance to a preceding rail nentrust,
- Figure 4 shows an embodiment of a railway system, in which a center for each on the railway system moving rail vehicle each an additional distance and / or based on a consab calculated and transmitted to the respective rail vehicles witness, and
- Figure 5 shows an example of a path-time diagram for a possible
- FIG. 1 shows a railway system EA, which is used by two rail vehicles 1 and 2.
- the rail vehicles 1 and 2 may, for example, to trains han spins, so that they are referred to below as train 1 or train 2.
- the two rail vehicles 1 and 2 move along the direction of the arrow P in Figure 1 from left to right. Accordingly, in FIG. 1 the right-hand rail vehicle 1 can be referred to as a rail vehicle traveling out of the way and the rail vehicle 2 on the left in FIG. 1 can be referred to as a trailing rail vehicle.
- the two rail vehicles 1 and 2 may for example be of identical design, which is assumed below by way of example. They each have a communication ons worn 10 and a control device 20 for controlling a drive not shown.
- the Steuereinrich device 20 includes a computer 21 and a memory 22. In the memory 22, an operating program BP is stored, which determines the operation of the computer 21 and thus the working as the controller 20 in total.
- Rail vehicles 1 and 2 by means of their own sensors and / or their own measuring devices each have their own location XI (t) or X2 (t) and their own speed VI (t) or V2 (t) and send the corresponding measured values on their communication tion device 10th in each case at least to the trailing rail vehicle.
- the preceding rail vehicle 1 transmits its respective location XI (t) and its speed VI (t) to the following rail vehicle 2, which thus has both information about the location and speed of the preceding rail vehicle 1 and due to own measurements - the own place X2 (t) and the own speed V2 (t) is known.
- the operating program BP in the memory 22 of the control device 20 is configured such that the trailing rail nensecurity 2 determines its minimum distance Amin to the preceding drive the rail vehicle 1 itself, preferably as follows:
- Amin denotes the minimum distance
- Ab denotes an absolute brake distance away, which avoids a collision on the vorausfah-generating rail vehicle 1 or at least avoid
- Az denotes an additional distance, which depends on the Ge speed of the preceding rail vehicle.
- the absolute braking distance is preferably calculated in the usual way, as is known in the art; In this connection, reference should be made to the above statements in connection with the prior art and to the relevant standard IEEE Std 1474.1-2004. For example, the absolute braking distance can be calculated according to:
- the additional distance Az is preferably calculated according to:
- the additional brake delay value is preferably calculated taking into account the positional uncertainty in locating the rail vehicle 1 which is driving away, that is, taking into account the location uncertainty in the determination of XI (t). averages; In this case, the additional brake deceleration value is chosen to be larger, the greater the local uncertainty of the localization.
- the rail vehicle 1 on the right in FIG. 1 is preceded by a rail vehicle not shown in FIG. 1, the rail vehicle 1 preferably operates with respect to the location and speed data derived from the rail vehicle, not shown, such as the left rail in FIG.
- the Zent rale 100 receives from the railway vehicle EA traveling rail vehicles 1 and 2 respectively the location XI (t) and X2 (t) and the speed values VI (t) and V2 (t) and forwards this information to all rail vehicles on the railway system EA or at least to the respective trailing the rail vehicles on (ie the information of the rail vehicle 1 to this trailing rail vehicle 2, etc ..).
- the trailing rail vehicle 2 captures the location information XI (t) and the speed VI (t) from the vehicle in front
- FIG. 3 shows a variant embodiment for an iron railway installation EA, in which the control center 100 determines the location information XI (t) and X2 (t) and the speed data VI (t) and V2 (t) by means of trackside facilities and the determined values the rail vehicles 1 and 2 averages. The calculation of the minimum distance Amin or the additional distance Az is then performed on the rail vehicle side by means of the control devices 20 in the rail vehicles 1 and 2, as has been explained above in connection with FIGS. 1 and 2.
- FIG. 4 shows a variant embodiment for an iron railroad installation EA, in which the control center 100 determines the minimum distance and / or the additional distance for each of the rail vehicles 1 and 2 and transmits the respectively determined values to the assigned rail vehicles 1 and 2.
- Aminl denotes the minimum distance for the
- Rail vehicle 1 Amin2 the minimum distance for the rail nenGerman 2
- Azl the additional distance for the rail vehicle 1
- Az2 the additional distance for the rail vehicle. 2
- the rail vehicles 1 and 2 or their control devices 20 do not have to calculate the minimum distance Aminl or Amin2 and / or the additional distance Azl or Az2 themselves since they receive the corresponding values from the center 100.
- the above statements apply in connection with the embodiments according to Figures 1 to 3 accordingly.
- the Switzerland hotelzeit between two stops restricting point is typically where the leading rail nensecurity 1 (hereinafter referred to as train 1) a holding agency completely and additionally about the ride for a subsequent rail vehicle 2 (hereinafter referred to as train 2) required Protected area after the stop has vacated.
- train 1 leading rail nensecurity 1
- train 2 subsequent rail vehicle 2
- the most dangerous situation for the distance situation is when the preceding train 1 is in the stop, while the train 2 travels behind travels to this stop and the distance to the train 1 in advance steadily shortened.
- the additional safety distance Az is introduced behind the preceding train 1 and thus between the two consecutive trains 1 and 2, when the train 1 traveling slowly moves or stands.
- the safety distance Az is built continuously below a certain speed threshold of the preceding train 1 until it reaches its maximum value when the preceding train 1 is at a standstill. After the further travel of the train 1 vorausfah-generating this additional safety distance Az is reduced again with increasing speed.
- the additional safety distance Az is already reduced before the critical point for the train sequence time is reached, so that the train sequence time remains unaffected.
- the assembly and disassembly of the additionalongeab standes takes place in a CBTC system, for example in the context of Be calculation of the driving permission ("movement authority") of the train 2 behind, but can also elsewhere in the calculation of the safe distance ("safe train Separa tion "), and requires no additional hardware, since the speed of the preceding train 1 in the CBTC system is known.
- this function becomes applied continuously, irrespective of braking and acceleration, and VO should be adjusted at the critical point for the train following time.
- An additional safety distance Az can be operationally restrictive if the following train 2 is to approach close to the preceding train 1 in special situations, eg for coupling or tightly stopping trains.
- the effect of the additional safety distance can be limited to speeds V2 (t) of the following train 2, which are greater than a predetermined minimum speed.
- K4 shows the minimum permissible driving range (technical term "move ment authority") of the following train on the basis of the absolute braking distance Ab from the instantaneous driving speed. It can be seen that at the point RP relevant to the train sequence, at which the curve K4 of the curve approaches Kls closest, the additional distance Az is already completely degraded and thus does not worsen the train following time.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017221812.6A DE102017221812A1 (de) | 2017-12-04 | 2017-12-04 | Verfahren zum Betreiben von Schienenfahrzeugen |
| PCT/EP2018/081917 WO2019110293A1 (de) | 2017-12-04 | 2018-11-20 | Verfahren zum betreiben von schienenfahrzeugen im absoluten bremswegabstand |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3697667A1 true EP3697667A1 (de) | 2020-08-26 |
| EP3697667B1 EP3697667B1 (de) | 2024-02-28 |
| EP3697667C0 EP3697667C0 (de) | 2024-02-28 |
Family
ID=64661270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18815520.4A Active EP3697667B1 (de) | 2017-12-04 | 2018-11-20 | Verfahren zum betreiben von schienenfahrzeugen im absoluten bremswegabstand |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3697667B1 (de) |
| DE (1) | DE102017221812A1 (de) |
| ES (1) | ES2983618T3 (de) |
| WO (1) | WO2019110293A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018218368B3 (de) * | 2018-10-26 | 2019-12-19 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Schienenfahrzeugs |
| DE102020004463A1 (de) | 2019-08-19 | 2021-02-25 | Sew-Eurodrive Gmbh & Co Kg | Verfahren zum Betreiben eines Systems mit erstem und weiteren Mobilteilen und einer stationär angeordneten Steuerung und System zur Durchführung eines Verfahrens |
| CN112441086B (zh) * | 2019-08-30 | 2024-06-18 | 比亚迪股份有限公司 | 轨道车辆及其控制方法、系统和列车控制与管理系统 |
| FR3106803A1 (fr) * | 2020-02-01 | 2021-08-06 | Patrice Colsenet | Procédé de circulation d’un ensemble de trains, avec tous les arrêts possibles mais avec peu d’arrêts intermédiaires pour chaque train. |
| DE102020208797A1 (de) | 2020-07-15 | 2022-01-20 | Siemens Mobility GmbH | Verfahren zur Zugsicherung und Zugsicherungseinrichtung |
| CN113212497B (zh) * | 2021-06-03 | 2022-11-04 | 上海电气泰雷兹交通自动化系统有限公司 | 一种运营列车紧急制动率精确监控方法 |
| CN114802366A (zh) * | 2022-04-02 | 2022-07-29 | 浙江众合科技股份有限公司 | 一种基于信号和制动系统协同合作的限速控制方法 |
| CN116118822B (zh) * | 2023-04-13 | 2023-07-28 | 江西科骏实业有限公司 | 一种列车编组运行时的主动避碰控制方法、系统及介质 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19822803A1 (de) * | 1998-05-20 | 1999-11-25 | Alcatel Sa | Verfahren zum Betrieb von Schienenfahrzeugen sowie Zugsteuerzentrale und Fahrzeuggerät hierfür |
| DE19828878A1 (de) * | 1998-06-23 | 1999-12-30 | Siemens Ag | Verfahren zur Datenreduktion im Bahnbetrieb |
| DE50206314D1 (de) * | 2002-08-12 | 2006-05-18 | Alcatel Sa | Elektronische Deichsel |
| US8428798B2 (en) * | 2010-01-08 | 2013-04-23 | Wabtec Holding Corp. | Short headway communications based train control system |
| FR3026710B1 (fr) * | 2014-10-03 | 2017-10-06 | Metrolab | Vehicule ferroviaire, vehicules ferroviaires amont et aval, procede de regulation de distance entre un vehicule ferroviaire aval et un vehicule ferroviaire amont |
-
2017
- 2017-12-04 DE DE102017221812.6A patent/DE102017221812A1/de not_active Withdrawn
-
2018
- 2018-11-20 ES ES18815520T patent/ES2983618T3/es active Active
- 2018-11-20 EP EP18815520.4A patent/EP3697667B1/de active Active
- 2018-11-20 WO PCT/EP2018/081917 patent/WO2019110293A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ES2983618T3 (es) | 2024-10-23 |
| WO2019110293A1 (de) | 2019-06-13 |
| EP3697667B1 (de) | 2024-02-28 |
| DE102017221812A1 (de) | 2019-06-06 |
| EP3697667C0 (de) | 2024-02-28 |
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