EP3458333B1 - Method and device for detecting the length of a rail-bound vehicle - Google Patents

Method and device for detecting the length of a rail-bound vehicle Download PDF

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Publication number
EP3458333B1
EP3458333B1 EP17730096.9A EP17730096A EP3458333B1 EP 3458333 B1 EP3458333 B1 EP 3458333B1 EP 17730096 A EP17730096 A EP 17730096A EP 3458333 B1 EP3458333 B1 EP 3458333B1
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EP
European Patent Office
Prior art keywords
track
detection
control device
reference point
vehicle
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EP17730096.9A
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German (de)
French (fr)
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EP3458333A1 (en
Inventor
Peter Lührs
André Marco
Karsten Rahn
Christina Zaldivar Aparicio
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Siemens Mobility GmbH
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Siemens Mobility GmbH
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Publication of EP3458333A1 publication Critical patent/EP3458333A1/en
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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 vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle 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
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0072—On-board train data handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
    • 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 vehicle train, e.g. braking curve calculation
    • B61L2027/204—Trackside control of safe travel of vehicle or vehicle train, e.g. braking curve calculation using Communication-based Train Control [CBTC]

Definitions

  • track-bound vehicles which can be, for example, rail vehicles, track-guided vehicles with rubber tires or magnetic levitation trains
  • knowledge of the length of the respective track-bound vehicle is of fundamental importance.
  • different vehicle lengths can result in particular for such track-bound vehicles that operate in different configurations.
  • the respective vehicle length is regularly required in particular by a train control and / or train protection system used to operate the track-bound vehicles, which can be, for example, a CBTC (Communications-Based Train Control) system.
  • CBTC Common-Based Train Control
  • Corresponding systems are particularly widespread in local transport and enable safe and efficient operation for metros and subways, for example.
  • the length of the respective track-bound vehicle can, for example, affect the braking parameters of the respective vehicle, possible speed restrictions, the control of the relevant track-bound vehicle and / or a further track-bound vehicle following it on a route, for example in the context of determining a driver's license in the form of a " Movement Auhority ".
  • one way of detecting the length of a track-bound vehicle is for a vehicle driver of the respective track-bound vehicle to enter information about the vehicle length or the vehicle type or the vehicle configuration, for example, into a control device of the respective train control system based on his knowledge of the respective vehicle configuration.
  • this procedure is comparatively complex or cumbersome, especially since it is generally necessary to take appropriate measures to ensure that possible incorrect entries are excluded and the entered value can be used as safety-related information.
  • the vehicle length could also be provided as a fixed configuration parameter, which, however, would result in the fact that no different vehicle configurations are supported during operation.
  • the present invention is based on the object of specifying a method and an apparatus which enable a length of a track-bound vehicle to be determined in an automated, particularly reliable and at the same time feasible manner with comparatively little effort.
  • the first track-bound detection device of the track-bound vehicle as seen in the direction of travel, and a second direction of travel, are seen a track-side reference point is detected in the rear detection device of the track-bound vehicle.
  • a distance covered by the track-bound vehicle between the detection of the route-side reference point by means of the first detection device and the detection of the route-side reference point by means of the second detection device can be determined in any known manner. This can be done, for example, in such a way that by means of an on-board odometry device, for example in the form of a displacement encoder, a radar device and / or a device for satellite-based determination of the position of the track-bound vehicle, that of the track-bound vehicle between the detection of the track-side reference point by means of the first detection device and the detection of the reference point on the route side is determined by means of the second detection device.
  • an on-board odometry device for example in the form of a displacement encoder, a radar device and / or a device for satellite-based determination of the position of the track-bound vehicle, that of the track-bound vehicle between the detection of the track-side reference point by means of the first detection device and the detection of the reference point on the route side is determined by means of the
  • the detection of the reference point on the track side by means of the first detection device thus serves as a "starting point” for determining or measuring the distance traveled by the track-bound vehicle and the detection of the reference point on the track side by means of the second detection device as the "end point” of this determination.
  • the length of the track-bound vehicle is now determined from the determined route.
  • the method according to the invention is advantageous because it allows an automated determination of the length of the track-bound vehicle without the need for manual inputs by an operator or a vehicle driver. In this way, a particularly reliable determination of the length of the track-bound vehicle is made possible, depending on the specific design of the parties involved Components signal safety can be achieved, ie the high safety requirements in the field of railway signal technology can be met.
  • the length of the track-bound vehicle corresponds to the determined route.
  • the length of the track-bound vehicle is determined from the determined route and a first distance between the first detection device and a first vehicle end viewed in the direction of travel and a second distance between the second detection device and a second vehicle end viewed in the direction of travel.
  • the first distance and the second distance can be of different sizes or also identical, in which case the two detection devices are each arranged at the same distance from the respective vehicle end.
  • the first distance and the second distance are each stored in at least one storage device of the track-bound vehicle, with the storage device
  • a vehicle-side database with data of the track-bound vehicle can be used.
  • detection devices and track-side reference points of any type can be used within the scope of the method according to the invention.
  • the detection devices are suitable for both detecting or detecting a reference point on the track side.
  • a track-side reference point of any type can be determined by means of vehicle-side detection devices in the form of cameras or optical sensors.
  • the track-side reference point used it is possible for the track-side reference point used to be a component specially provided for this purpose, for example in the form of a board with an optical pattern, barcode or even a positional specification in writing or character form.
  • the background or the surroundings of the track-bound vehicle are detected by means of the detection devices and the track-side reference point is extracted from the captured images or image data. This can be done in such a way that artificial or natural landmarks are identified and used as a reference point on the track side.
  • the method according to the invention can preferably also be developed in such a way that a balise is used as the reference point on the track side and a balise reader is used as the first and second detection device.
  • a balise as a track-side reference point and of balise readers as detection devices is advantageous in that track-bound vehicles often already have balise readers for detecting or detecting track-side balises.
  • the balises in question can serve, for example, as reference points for locating the track-bound vehicle.
  • those track-bound vehicles that do not have a fixed one Having the direction of travel, that is to say can be operated with both the vehicle ends facing forwards generally have a balise reader in the area of both vehicle ends.
  • these balise readers can advantageously be used to determine the length of the track-bound vehicle.
  • the method according to the invention is designed such that, in the case of a track-bound vehicle with a first control device assigned to the first detection device and a second control device assigned to the second detection device, the first control device sends a first detection signal to the second control device upon detection of the reference point on the track side by the first detection device is transmitted.
  • the first control device and the second control device can be, for example, vehicle devices or control computers of a train control system.
  • the fact that the first control device transmits a first detection signal to the second control device upon detection of the route-side reference point by the first detection device advantageously enables the latter to determine the starting point for determining the distance traveled by the track-bound vehicle or to take this into account.
  • the first control device and the second Control devices are synchronized in time in order to enable a precise determination of the distance covered by the track-bound vehicle between the detection of the route-side reference point by means of the first detection device and the detection of the route-side reference point by means of the second detection device.
  • a corresponding synchronization in time is necessary or expedient, in particular in relation to the time required for the transmission of the first detection signal. If the first detection signal contains the point in time of the detection of the route-side reference point by the first detection device and there is a temporal synchronization of the two control devices, the second control device can advantageously determine the distance traveled and thus ultimately also the length of the track-bound vehicle particularly precisely.
  • a second detection signal is transmitted from the second control device to the first control device upon detection of the reference point on the track side by the second detection device.
  • the method according to the invention is further developed such that the first detection signal contains information about the first distance and the second detection signal contains information about the second distance.
  • the first control device is only the first distance and the second control device only the second distance needs to be known. With the respective detection signal, the relevant one Distance then communicated to the other control device.
  • the length of the track-bound vehicle is determined independently of one another by the first and the second control device. This is advantageous because it eliminates the need for further communication between the first control device and the second control device for the purpose of tuning or comparing the specific length of the track-bound vehicle. If this is expedient in the respective application, a corresponding comparison can also be provided for the purpose of checking the vehicle length determined in each case.
  • the object on which the present invention is based is achieved by a device having the features of claim 3.
  • the device according to the invention is developed in such a way that the at least one control device for determining the length of the track-bound vehicle from the determined route and a first distance between the first detection device and a first vehicle end viewed in the direction of travel and a second distance between the second detection device and one second, rear vehicle end is seen in the direction of travel.
  • the first and the second detection device are each designed as a balise reader for detecting a track-side reference point in the form of a balise.
  • the device according to the invention is also designed such that it has a first control device assigned to the first detection device and a second control device assigned to the second detection device.
  • the device according to the invention is developed in such a way that the first control device is designed to transmit a first detection signal to the second control device upon detection of the track-side reference point by the first detection device.
  • the second control device is designed to detect the line-side Reference point through the second detection device to transmit a second detection signal to the first control device.
  • the device according to the invention is also developed such that the first control device is designed to transmit a first detection signal containing an indication of the first distance and the second control device is designed to transmit a second detection signal containing an indication of the second distance.
  • the device is designed such that the length of the track-bound vehicle is determined independently of one another by the first and the second control device.
  • Figure 1 shows to explain an embodiment of the method according to the invention in a schematic sketch an arrangement with an embodiment of the invention Device at a first time.
  • a track-bound vehicle 10 can be seen, which consists of two carriages that are coupled or coupled to one another.
  • the track-bound vehicle 10 could of course also have any number of identical or completely or partially different cars or vehicles.
  • the track-bound vehicle 10 has a front vehicle end 11 and a rear vehicle end 12, it being assumed here that the track-bound vehicle is moving from left to right in a direction of travel 40 indicated by an arrow.
  • the track-bound vehicle 10 further comprises a first detection device 21 and a second detection device 22.
  • the two detection devices 21, 22 are each designed as balise readers.
  • a first control device 31 and a second control device 32 can be seen, each of which is assigned to the first detection device 21 or the second detection device 22, that is to say in particular is connected to the relevant detection device 21 or 22 in terms of signal technology or communication technology.
  • a track-side reference point 60 is arranged on a track or track 50, which should be a balise within the scope of the exemplary embodiment described.
  • Figure 1 just the situation shown, in which the track-side reference point 60 is detected or detected by the first detection device 21 in the form of the balise reader.
  • the first detection device 21 can in particular also identify or read out an identification of the track-side reference point 60. In this way - if required or appropriate under the respective circumstances - a clear identification of the track-side reference point 60.
  • Figure 2 shows for a further explanation of the embodiment of the method according to the invention in a second schematic sketch the arrangement with the embodiment of the device according to the invention at a second, later point in time.
  • the representation of the Figure 2 corresponds essentially to that of Figure 1 , wherein the track-bound vehicle 10 in the in Figure 2 illustrated situation has moved in the direction of travel 40 such that the track-side reference point 60 in the form of the balise is now detected or detected by the second detection device 22 in the form of the rear balise reader.
  • the identification of the track-side reference point 60 can optionally be detected or read out.
  • a first detection signal has been transmitted from the first control device 31 to the second control device 32 upon detection of the track-side reference point 60 by the first detection device 21.
  • the first detection signal can contain an indication of the identification of the track-side reference point 60.
  • the first detection signal can be transmitted by wire or wirelessly in a manner known per se.
  • radio-based communication is preferably provided between the control devices 31 and 32, since this means that corresponding cables are required is avoided by the track-bound vehicle 10. Regardless of the type of communication between the first control device 31 and the second control device 32, these are preferably synchronized in time, ie they have a common time base.
  • the second control device 32 can now be used to determine a distance D covered by the track-bound vehicle between the detection of the reference point 60 on the track side by the first detection device 21 and the detection of the reference point 60 on the track side by the second detection device 22.
  • the first control device 31 and the second control device 32 each comprise a corresponding measuring device, which is not shown in the figures for reasons of clarity.
  • the at least one measuring device could also be designed as a separate component, in which case it is connected to the first control device 31 and / or the second control device 32 in terms of communication technology.
  • the point in time of the detection of the reference point 60 on the track side by means of the first front detection device 21 seen in the direction of travel 40 serves as the starting point for the measurement and the time of detection of the reference point 60 on the track side by means of the second, in Direction 40 seen rear detection device 22 as an end point for the corresponding determination.
  • a comparison of the identified identification of the track-side reference point 60 can take place.
  • the second control device 32 is now able to determine the length L of the track-bound vehicle 10.
  • the second control device 32 advantageously takes into account a first distance d1 between the first detection device 21 and the first vehicle end 11, viewed in the direction of travel, and a second distance d2 between the second detection device 22 and the second vehicle end 12, viewed in the direction of travel, of the track-bound vehicle 10
  • the distances d1 and d2 correspond to the representation in Figure 2 may be identical, but may also have different values in the case of a track-bound vehicle formed from different cars or components.
  • the second control device 32 transmits a second detection signal to the first control device 31 upon detection of the track-side reference point 60 by the second detection device 22.
  • the first detection signal preferably contains an indication of the first distance d1 and the second detection signal contains an indication of the second distance d2.
  • the communication between the two control devices 31 and 32 advantageously takes place in a signal-safe, "vital" manner.
  • a resulting measurement inaccuracy is advantageously taken into account. This is composed of an inaccuracy in the detection of the track-side reference point 60 in the form of the balise and an inaccuracy in the determination of the distance covered, the measurement inaccuracy with respect to the detection of the track-side reference point 60 being twice due to the detection by the two detection devices 21 and 22 the resulting total inaccuracy is received. Taking into account the resulting measurement inaccuracy, the length L of the track-bound vehicle 10 can thus be determined such that it lies in an interval between the determined length L (i.e. D + d1 + d2) plus the measurement inaccuracy and the determined length L minus the measurement inaccuracy.
  • the method advantageously works without the need for inputs by a vehicle driver.
  • the method in the form of the detection devices 21, 22 and the control devices 31, 32 (and possibly the reference point 60) preferably uses components which a train control system, for example in the form of a CBTC system, often already has for redundancy reasons, for example.
  • the method works both for wired and wirelessly connected detection devices 21, 22 and is advantageously independent of the respective position of the detection devices 21, 22 within the track-bound vehicle 10. Because reference points of any kind can be used in principle, the length of the track-bound can Vehicle depending on the type of reference point used can be determined at any time or local intervals, so that a corresponding length determination can be carried out quasi continuously in extreme cases.

Description

Für einen möglichst effizienten und sicheren Betrieb spurgebundener Fahrzeuge, bei denen es sich beispielsweise um Schienenfahrzeuge, spurgeführte Fahrzeuge mit Gummibereifung oder Magnetschwebebahnen handeln kann, ist eine Kenntnis der Länge des jeweiligen spurgebundenen Fahrzeugs von grundlegender Bedeutung. So können sich in der Praxis insbesondere für solche spurgebundenen Fahrzeuge, die in verschiedenen Konfigurationen verkehren, unterschiedliche Fahrzeuglängen ergeben. Dabei wird die jeweilige Fahrzeuglänge regelmäßig insbesondere von einem zum Betrieb der spurgebundenen Fahrzeuge verwendeten Zugbeeinflussungs- und/oder Zugsicherungssystem als sicherungstechnische Information benötigt, bei dem es sich zum Beispiel um ein CBTC (Communications-Based Train Control)-System handeln kann. Entsprechende Systeme sind insbesondere im Nahverkehr weitverbreitet und ermöglichen beispielsweise für Metros und U-Bahnen einen sicheren und effizienten Betrieb. Dabei kann die Länge des jeweiligen spurgebundenen Fahrzeugs beispielsweise Auswirkungen auf die Bremsparameter des jeweiligen Fahrzeugs, mögliche Geschwindigkeitseinschränkungen, die Steuerung des betreffenden spurgebundenen Fahrzeugs und/oder eines diesem auf einer Fahrstrecke nachfolgenden weiteren spurgebundenen Fahrzeugs, etwa im Rahmen einer Bestimmung einer Fahrerlaubnis in Form einer "Movement Auhority", haben.For the most efficient and safe operation of track-bound vehicles, which can be, for example, rail vehicles, track-guided vehicles with rubber tires or magnetic levitation trains, knowledge of the length of the respective track-bound vehicle is of fundamental importance. In practice, different vehicle lengths can result in particular for such track-bound vehicles that operate in different configurations. The respective vehicle length is regularly required in particular by a train control and / or train protection system used to operate the track-bound vehicles, which can be, for example, a CBTC (Communications-Based Train Control) system. Corresponding systems are particularly widespread in local transport and enable safe and efficient operation for metros and subways, for example. The length of the respective track-bound vehicle can, for example, affect the braking parameters of the respective vehicle, possible speed restrictions, the control of the relevant track-bound vehicle and / or a further track-bound vehicle following it on a route, for example in the context of determining a driver's license in the form of a " Movement Auhority ".

Grundsätzlich besteht eine Möglichkeit zur Erfassung der Länge eines spurgebundenen Fahrzeugs darin, dass ein Fahrzeugführer des jeweiligen spurgebundenen Fahrzeugs basierend auf seiner Kenntnis von der jeweiligen Fahrzeugkonfiguration eine Information zur Fahrzeuglänge oder zum Fahrzeugtyp beziehungsweise zur Fahrzeugkonfiguration beispielsweise in eine Steuereinrichtung des jeweiligen Zugbeeinflussungssystems eingibt. Diese Vorgehensweise ist jedoch vergleichsweise aufwendig beziehungsweise umständlich, insbesondere da in der Regel durch entsprechende Maßnahmen sicherzustellen ist, dass mögliche Fehleingaben ausgeschlossen sind und der eingegebene Wert als sicherungstechnische Information verwendet werden kann. Alternativ zu einer manuellen Eingabe durch eine Bedienperson könnte die Fahrzeuglänge auch als fester Konfigurationsparameter vorgesehen werden, was jedoch im Ergebnis dazu führen würde, dass im Betrieb keine unterschiedlichen Fahrzeugkonfigurationen unterstützt werden.Basically, one way of detecting the length of a track-bound vehicle is for a vehicle driver of the respective track-bound vehicle to enter information about the vehicle length or the vehicle type or the vehicle configuration, for example, into a control device of the respective train control system based on his knowledge of the respective vehicle configuration. However, this procedure is comparatively complex or cumbersome, especially since it is generally necessary to take appropriate measures to ensure that possible incorrect entries are excluded and the entered value can be used as safety-related information. As an alternative to manual input by an operator, the vehicle length could also be provided as a fixed configuration parameter, which, however, would result in the fact that no different vehicle configurations are supported during operation.

Aus der Druckschrift DE 10 2006 062 559 A1 ist ein Verfahren zum Messen einer maximalen Zuglänge bekannt. Dabei wird mit Hilfe von GPS zu vorbestimmten Zeitpunkten eine Position der Spitze des Zuges und gleichzeitig eine Position des Endes des Zuges ermittelt und eine gesamte Zuglänge durch mehrfache Messung und Mittelung der Messergebnisse abgeschätzt.From the publication DE 10 2006 062 559 A1 a method for measuring a maximum train length is known. With the help of GPS, a position of the top of the train and at the same time a position of the end of the train are determined at predetermined times and an entire train length is estimated by multiple measurements and averaging of the measurement results.

Aus der Druckschrift KR 2011 008 1416 A ist ein System zum Erfassen einer Trennung eines Zuges, eine Berechnung einer Kilometerleistung während der Fahrt des Zuges und eine Zuglängenermittlung bekannt.From the publication KR 2011 008 1416 A a system for detecting a separation of a train, a calculation of a mileage while the train is traveling and a train length determination is known.

Aus der Druckschrift EP 0 341 827 A1 ist ein Eisenbahnsignalsystem bekannt, bei dem die Länge eines Zuges durch eine On-Board-Messung beim Durchfahren einer Strecke berechnet wird.From the publication EP 0 341 827 A1 a railroad signal system is known in which the length of a train is calculated by an on-board measurement when driving a route.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren sowie eine Vorrichtung anzugeben, welche eine Bestimmung einer Länge eines spurgebundenen Fahrzeugs in automatisierter, besonders zuverlässiger sowie zugleich mit vergleichsweise geringem Aufwand realisierbarer Art und Weise ermöglichen.The present invention is based on the object of specifying a method and an apparatus which enable a length of a track-bound vehicle to be determined in an automated, particularly reliable and at the same time feasible manner with comparatively little effort.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren zum Bestimmen einer Länge eines spurgebundenen Fahrzeugs mit den Merkmalen des Anspruchs 1.This object is achieved according to the invention by a method for determining a length of a track-bound vehicle with the features of claim 1.

Gemäß den ersten beiden Schritten des erfindungsgemäßen Verfahrens zum Bestimmen einer Länge eines spurgebundenen Fahrzeugs wird sowohl mittels einer ersten, in Fahrtrichtung gesehen vorderen Detektionseinrichtung des spurgebundenen Fahrzeugs als auch mittels einer zweiten, in Fahrtrichtung gesehen hinteren Detektionseinrichtung des spurgebundenen Fahrzeugs ein streckenseitiger Referenzpunkt erfasst.According to the first two steps of the method according to the invention for determining a length of a track-bound vehicle, the first track-bound detection device of the track-bound vehicle, as seen in the direction of travel, and a second direction of travel, are seen a track-side reference point is detected in the rear detection device of the track-bound vehicle.

Gemäß dem nächsten Schritt des erfindungsgemäßen Verfahrens wird eine zwischen dem Erfassen des streckenseitigen Referenzpunktes mittels der ersten Detektionseinrichtung und dem Erfassen des streckenseitigen Referenzpunktes mittels der zweiten Detektionseinrichtung von dem spurgebundenen Fahrzeug zurückgelegte Strecke ermittelt. Dabei kann die Ermittlung der zurückgelegten Strecke auf beliebige, für sich bekannte Art und Weise erfolgen. Dies kann beispielsweise derart geschehen, dass mittels einer fahrzeugseitigen Odometrieeinrichtung, etwa in Form eines Wegimpulsgebers, eines Radargerätes und/oder einer Vorrichtung zum satellitengestützten Bestimmen der Position des spurgebundenen Fahrzeugs, die von dem spurgebundenen Fahrzeug zwischen dem Erfassen des streckenseitigen Referenzpunktes mittels der ersten Detektionseinrichtung und dem Erfassen des streckenseitigen Referenzpunktes mittels der zweiten Detektionseinrichtung zurückgelegte Strecke ermittelt wird. Das Erfassen des streckenseitigen Referenzpunktes mittels der ersten Detektionseinrichtung dient hierbei somit als "Startpunkt" für das Ermitteln beziehungsweise Messen der von dem spurgebundenen Fahrzeug zurückgelegten Strecke und das Erfassen des streckenseitigen Referenzpunktes mittels der zweiten Detektionseinrichtung als "Endpunkt" dieser Ermittlung.According to the next step of the method according to the invention, a distance covered by the track-bound vehicle between the detection of the route-side reference point by means of the first detection device and the detection of the route-side reference point by means of the second detection device. The distance traveled can be determined in any known manner. This can be done, for example, in such a way that by means of an on-board odometry device, for example in the form of a displacement encoder, a radar device and / or a device for satellite-based determination of the position of the track-bound vehicle, that of the track-bound vehicle between the detection of the track-side reference point by means of the first detection device and the detection of the reference point on the route side is determined by means of the second detection device. The detection of the reference point on the track side by means of the first detection device thus serves as a "starting point" for determining or measuring the distance traveled by the track-bound vehicle and the detection of the reference point on the track side by means of the second detection device as the "end point" of this determination.

Gemäß dem nächsten Schritt des erfindungsgemäßen Verfahrens wird nun aus der ermittelten Strecke die Länge des spurgebundenen Fahrzeugs bestimmt.According to the next step of the method according to the invention, the length of the track-bound vehicle is now determined from the determined route.

Das erfindungsgemäße Verfahren ist vorteilhaft, da es eine automatisierte Bestimmung der Länge des spurgebundenen Fahrzeugs erlaubt, ohne dass hierfür manuelle Eingaben einer Bedienperson beziehungsweise eines Fahrzeugführers erforderlich sind. Hierdurch wird eine besonders zuverlässige Bestimmung der Länge des spurgebundenen Fahrzeugs ermöglicht, wobei in Abhängigkeit von der konkreten jeweiligen Ausführung der beteiligten Komponenten signaltechnische Sicherheit erzielt werden kann, d.h. die hohen Sicherheitsanforderungen im Bereich der Eisenbahnsignaltechnik erfüllt werden können.The method according to the invention is advantageous because it allows an automated determination of the length of the track-bound vehicle without the need for manual inputs by an operator or a vehicle driver. In this way, a particularly reliable determination of the length of the track-bound vehicle is made possible, depending on the specific design of the parties involved Components signal safety can be achieved, ie the high safety requirements in the field of railway signal technology can be met.

Im einfachsten Fall entspricht die Länge des spurgebundenen Fahrzeugs der ermittelten Strecke. Dies setzt jedoch voraus, dass die erste Detektionseinrichtung sowie die zweite Detektionseinrichtung jeweils im Wesentlichen unmittelbar am vorderen beziehungsweise hinteren Fahrzeugende angeordnet sind, so dass der Abstand zwischen den beiden Detektionseinrichtungen im Rahmen bestehender Messungenauigkeiten oder Toleranzen mit der Länge des spurgebundenen Fahrzeugs gleichgesetzt werden kann.In the simplest case, the length of the track-bound vehicle corresponds to the determined route. However, this presupposes that the first detection device and the second detection device are each arranged essentially directly at the front or rear end of the vehicle, so that the distance between the two detection devices can be equated with the length of the track-bound vehicle within the scope of existing measurement inaccuracies or tolerances.

Gemäß des erfindungsgemäßen Verfahrens wird die Länge des spurgebundenen Fahrzeugs aus der ermittelten Strecke sowie einem ersten Abstand zwischen der ersten Detektionseinrichtung und einem ersten, in Fahrtrichtung gesehen vorderen Fahrzeugende und einem zweiten Abstand zwischen der zweiten Detektionseinrichtung und einem zweiten, in Fahrtrichtung gesehen hinteren Fahrzeugende bestimmt. Dies ist vorteilhaft, da durch eine Berücksichtigung des Abstands der Detektionseinrichtungen zum jeweiligen Fahrzeugende Einschränkungen in Bezug auf die Positionierung der Detektionseinrichtungen entfallen. Dies bedeutet, dass diese grundsätzlich an einem beliebigen Ort beziehungsweise einer beliebigen Position des spurgebundenen Fahrzeugs angebracht sein können. Allerdings ist zu beachten, dass die Genauigkeit der Ermittlung der Länge des spurgebundenen Fahrzeugs in der Regel umso besser sein wird, je größer der Abstand zwischen der ersten Detektionseinrichtung und der zweiten Detektionseinrichtung ist. Der erste Abstand und der zweite Abstand können unterschiedlich groß oder auch identisch sein, in welchem Fall die beiden Detektionseinrichtungen jeweils in demselben Abstand zum jeweiligen Fahrzeugende angeordnet sind. Vorzugsweise sind der erste Abstand und der zweite Abstand jeweils in zumindest einer Speichereinrichtung des spurgebundenen Fahrzeugs hinterlegt, wobei als Speichereinrichtung beispielsweise eine fahrzeugseitige Datenbank mit Daten des spurgebundenen Fahrzeugs verwendet werden kann.According to the method according to the invention, the length of the track-bound vehicle is determined from the determined route and a first distance between the first detection device and a first vehicle end viewed in the direction of travel and a second distance between the second detection device and a second vehicle end viewed in the direction of travel. This is advantageous because by taking into account the distance of the detection devices to the respective vehicle end, restrictions with regard to the positioning of the detection devices are eliminated. This means that they can in principle be attached to any location or position of the track-bound vehicle. However, it should be noted that the greater the distance between the first detection device and the second detection device, the better the accuracy of the determination of the length of the track-bound vehicle. The first distance and the second distance can be of different sizes or also identical, in which case the two detection devices are each arranged at the same distance from the respective vehicle end. Preferably, the first distance and the second distance are each stored in at least one storage device of the track-bound vehicle, with the storage device For example, a vehicle-side database with data of the track-bound vehicle can be used.

Im Rahmen des erfindungsgemäßen Verfahrens können grundsätzlich Detektionseinrichtungen sowie streckenseitige Referenzpunkte beliebiger Art verwendet werden. Wesentlich hierbei ist lediglich, dass die Detektionseinrichtungen geeignet sind, beide jeweils für sich einen streckenseitigen Referenzpunkt zu erfassen beziehungsweise zu detektieren. So ist es beispielsweise denkbar, dass mittels fahrzeugseitiger Detektionseinrichtungen in Form von Kameras beziehungsweise optischer Sensoren ein streckenseitiger Referenzpunkt beliebiger Art ermittelt wird. Dabei ist es einerseits möglich, dass es sich bei dem verwendeten streckenseitigen Referenzpunkt um eine speziell für diesen Zweck vorgesehene Komponente, etwa in Form einer Tafel mit einem optischen Muster, Barcode oder auch einer Positionsangabe in Schrift- beziehungsweise Zeichenform, handelt. Andererseits besteht auch die Möglichkeit, dass mittels der Detektionseinrichtungen der Untergrund oder die Umgebung des spurgebundenen Fahrzeugs erfasst wird und der streckenseitige Referenzpunkt aus den erfassten Bildern beziehungsweise Bilddaten extrahiert wird. Dies kann etwa derart geschehen, dass künstliche oder natürlich Landmarken identifiziert und als streckenseitiger Referenzpunkt verwendet werden.In principle, detection devices and track-side reference points of any type can be used within the scope of the method according to the invention. The only important thing here is that the detection devices are suitable for both detecting or detecting a reference point on the track side. For example, it is conceivable for a track-side reference point of any type to be determined by means of vehicle-side detection devices in the form of cameras or optical sensors. On the one hand, it is possible for the track-side reference point used to be a component specially provided for this purpose, for example in the form of a board with an optical pattern, barcode or even a positional specification in writing or character form. On the other hand, there is also the possibility that the background or the surroundings of the track-bound vehicle are detected by means of the detection devices and the track-side reference point is extracted from the captured images or image data. This can be done in such a way that artificial or natural landmarks are identified and used as a reference point on the track side.

Vorzugsweise kann das erfindungsgemäße Verfahren auch derart weitergebildet sein, dass als streckenseitiger Referenzpunkt eine Balise und als erste und zweite Detektionseinrichtung jeweils ein Balisenlesegerät verwendet wird. Die Verwendung einer Balise als streckenseitiger Referenzpunkt sowie von Balisenlesegeräten als Detektionseinrichtungen ist dahingehend vorteilhaft, dass spurgebundene Fahrzeuge häufig bereits Balisenlesegeräte zum Erfassen beziehungsweise Detektieren streckenseitiger Balisen aufweisen. Dabei können die betreffenden Balisen beispielsweise als Referenzpunkte für eine Lokalisierung des spurgebundenen Fahrzeugs dienen. Insbesondere solche spurgebundenen Fahrzeuge, die keine fest vorgegebene Fahrtrichtung aufweisen, d.h. sowohl mit dem einen als auch mit dem anderen Fahrzeugende nach vorne ausgerichtet betrieben werden können, weisen in der Regel im Bereich beider Fahrzeugenden jeweils ein Balisenlesegerät auf. Diese Balisenlesegeräte können im Rahmen der genannten bevorzugten Weiterbildung des erfindungsgemäßen Verfahrens in Verbindung mit einer Balise vorteilhafterweise dafür verwendet werden, die Länge des spurgebundenen Fahrzeugs zu bestimmen.The method according to the invention can preferably also be developed in such a way that a balise is used as the reference point on the track side and a balise reader is used as the first and second detection device. The use of a balise as a track-side reference point and of balise readers as detection devices is advantageous in that track-bound vehicles often already have balise readers for detecting or detecting track-side balises. The balises in question can serve, for example, as reference points for locating the track-bound vehicle. In particular, those track-bound vehicles that do not have a fixed one Having the direction of travel, that is to say can be operated with both the vehicle ends facing forwards, generally have a balise reader in the area of both vehicle ends. In the context of the preferred development of the method according to the invention mentioned in connection with a balise, these balise readers can advantageously be used to determine the length of the track-bound vehicle.

Das erfindungsgemäße Verfahren ist derart ausgestaltet, dass bei einem spurgebundenen Fahrzeug mit einer der ersten Detektionseinrichtung zugeordneten ersten Steuereinrichtung und einer der zweiten Detektionseinrichtung zugeordneten zweiten Steuereinrichtung von der ersten Steuereinrichtung auf das Erfassen des streckenseitigen Referenzpunktes durch die erste Detektionseinrichtung hin ein erstes Detektionssignal an die zweite Steuereinrichtung übermittelt wird. Bei der ersten Steuereinrichtung sowie der zweiten Steuereinrichtung kann es sich hierbei beispielsweise um Fahrzeuggeräte oder Steuerrechner eines Zugbeeinflussungssystems handeln. Dadurch, dass die erste Steuereinrichtung auf das Erfassen des streckenseitigen Referenzpunktes durch die erste Detektionseinrichtung hin ein erstes Detektionssignal an die zweite Steuereinrichtung übermittelt, wird es dieser vorteilhafterweise ermöglicht, den Startpunkt für das Ermitteln der von dem spurgebundenen Fahrzeug zurückgelegten Strecke festzulegen beziehungsweise diesen zu berücksichtigen.The method according to the invention is designed such that, in the case of a track-bound vehicle with a first control device assigned to the first detection device and a second control device assigned to the second detection device, the first control device sends a first detection signal to the second control device upon detection of the reference point on the track side by the first detection device is transmitted. The first control device and the second control device can be, for example, vehicle devices or control computers of a train control system. The fact that the first control device transmits a first detection signal to the second control device upon detection of the route-side reference point by the first detection device advantageously enables the latter to determine the starting point for determining the distance traveled by the track-bound vehicle or to take this into account.

Die erste Steuereinrichtung und die zweite Steuereinrichtung sind hierbei zeitlich synchronisiert, um eine präzise Ermittlung der von dem spurgebundenen Fahrzeug zwischen dem Erfassen des streckenseitigen Referenzpunktes mittels der ersten Detektionseinrichtung und dem Erfassen des streckenseitigen Referenzpunktes mittels der zweiten Detektionseinrichtung zurückgelegten Strecke zu ermöglichen. Eine entsprechende zeitliche Synchronisierung ist insbesondere in Bezug auf die zur Übermittlung des ersten Detektionssignals benötigte Zeit erforderlich beziehungsweise zweckmäßig. Sofern das erste Detektionssignal den Zeitpunkt des Erfassens des streckenseitigen Referenzpunktes durch die erste Detektionseinrichtung enthält und eine zeitliche Synchronisierung der beiden Steuereinrichtungen vorliegt, kann die zweite Steuereinrichtung die zurückgelegte Strecke und damit letztlich auch die Länge des spurgebundenen Fahrzeugs vorteilhafterweise besonders präzise bestimmen.The first control device and the second Control devices are synchronized in time in order to enable a precise determination of the distance covered by the track-bound vehicle between the detection of the route-side reference point by means of the first detection device and the detection of the route-side reference point by means of the second detection device. A corresponding synchronization in time is necessary or expedient, in particular in relation to the time required for the transmission of the first detection signal. If the first detection signal contains the point in time of the detection of the route-side reference point by the first detection device and there is a temporal synchronization of the two control devices, the second control device can advantageously determine the distance traveled and thus ultimately also the length of the track-bound vehicle particularly precisely.

Gemäß des erfindungsgemäßen Verfahrens wird von der zweiten Steuereinrichtung auf das Erfassen des streckenseitigen Referenzpunktes durch die zweite Detektionseinrichtung hin ein zweites Detektionssignal an die erste Steuereinrichtung übermittelt. Dies bietet den Vorteil, dass damit auch der ersten Steuereinrichtung eine Ermittlung der von dem spurgebundenen Fahrzeug zwischen dem Erfassen des streckenseitigen Referenzpunktes durch die beiden Detektionseinrichtungen zurückgelegten Strecke und damit letztlich auch der Länge des spurgebundenen Fahrzeugs ermöglicht wird.According to the method according to the invention, a second detection signal is transmitted from the second control device to the first control device upon detection of the reference point on the track side by the second detection device. This offers the advantage that it also enables the first control device to determine the distance traveled by the track-bound vehicle between the detection of the track-side reference point by the two detection devices and thus ultimately also the length of the track-bound vehicle.

Das erfindungsgemäße Verfahren ist weiterhin derart fortgebildet dass das erste Detektionssignal eine Angabe zu dem ersten Abstand enthält und das zweite Detektionssignal eine Angabe zu dem zweiten Abstand enthält. Dies bietet den Vorteil, dass damit der ersten Steuereinrichtung lediglich der erste Abstand und der zweiten Steuereinrichtung lediglich der zweite Abstand bekannt zu sein braucht. Mit dem jeweiligen Detektionssignal wird der betreffende Abstand dann der jeweils anderen Steuereinrichtung mitgeteilt.The method according to the invention is further developed such that the first detection signal contains information about the first distance and the second detection signal contains information about the second distance. This offers the advantage that the first control device is only the first distance and the second control device only the second distance needs to be known. With the respective detection signal, the relevant one Distance then communicated to the other control device.

Gemäß des erfindungsgemäßen Verfahrens wird die Länge des spurgebundenen Fahrzeugs von der ersten und der zweiten Steuereinrichtung jeweils unabhängig voneinander bestimmt. Dies ist vorteilhaft, da somit die Notwendigkeit einer weiteren Kommunikation zwischen der ersten Steuereinrichtung und der zweiten Steuereinrichtung zwecks Abstimmung beziehungsweise Vergleichs der bestimmten Länge des spurgebundenen Fahrzeugs entfällt. Sofern dies im jeweiligen Anwendungsfall zweckmäßig ist, kann jedoch auch ein entsprechender Vergleich zwecks Überprüfung der jeweils bestimmten Fahrzeuglänge vorgesehen werden.According to the method according to the invention, the length of the track-bound vehicle is determined independently of one another by the first and the second control device. This is advantageous because it eliminates the need for further communication between the first control device and the second control device for the purpose of tuning or comparing the specific length of the track-bound vehicle. If this is expedient in the respective application, a corresponding comparison can also be provided for the purpose of checking the vehicle length determined in each case.

Hinsichtlich der Vorrichtung wird die der vorliegenden Erfindung zugrunde liegende Aufgabe gelöst durch eine Vorrichtung mit den Merkmalen des Anspruchs 3.With regard to the device, the object on which the present invention is based is achieved by a device having the features of claim 3.

Die Vorteile der erfindungsgemäßen Vorrichtung entsprechen im Wesentlichen denjenigen des erfindungsgemäßen Verfahrens, so dass diesbezüglich auf die entsprechenden vorstehenden Ausführungen verwiesen wird. Gleiches gilt hinsichtlich der im Folgenden genannten bevorzugten Weiterbildungen der erfindungsgemäßen Vorrichtung in Bezug auf die jeweilige bevorzugte Weiterbildung des erfindungsgemäßen Verfahrens, so dass auch diesbezüglich auf die entsprechenden vorstehenden Erläuterungen verwiesen wird.The advantages of the device according to the invention essentially correspond to those of the method according to the invention, so that reference is made in this regard to the corresponding statements above. The same applies with regard to the preferred developments of the device according to the invention mentioned below in relation to the respective preferred Further development of the method according to the invention, so that reference is also made in this regard to the corresponding explanations above.

Die erfindungsgemäße Vorrichtung ist derart weitergebildet, dass die zumindest eine Steuereinrichtung zur Bestimmung der Länge des spurgebundenen Fahrzeugs aus der ermittelten Strecke sowie einem ersten Abstand zwischen der ersten Detektionseinrichtung und einem ersten, in Fahrtrichtung gesehen vorderen Fahrzeugende und einem zweiten Abstand zwischen der zweiten Detektionseinrichtung und einem zweiten, in Fahrtrichtung gesehen hinteren Fahrzeugende ausgebildet ist.The device according to the invention is developed in such a way that the at least one control device for determining the length of the track-bound vehicle from the determined route and a first distance between the first detection device and a first vehicle end viewed in the direction of travel and a second distance between the second detection device and one second, rear vehicle end is seen in the direction of travel.

Gemäß einer weiteren besonders bevorzugten Ausführungsform der erfindungsgemäßen Vorrichtung sind die erste und die zweite Detektionseinrichtung jeweils als Balisenlesegerät zum Erfassen eines streckenseitigen Referenzpunktes in Form einer Balise ausgebildet.According to a further particularly preferred embodiment of the device according to the invention, the first and the second detection device are each designed as a balise reader for detecting a track-side reference point in the form of a balise.

Die erfindungsgemäße Vorrichtung ist auch derart ausgestaltet, dass sie eine der ersten Detektionseinrichtung zugeordnete erste Steuereinrichtung und eine der zweiten Detektionseinrichtung zugeordnete zweite Steuereinrichtung aufweist.The device according to the invention is also designed such that it has a first control device assigned to the first detection device and a second control device assigned to the second detection device.

Die erfindungsgemäße Vorrichtung ist derart weitergebildet, dass die erste Steuereinrichtung ausgebildet ist, auf das Erfassen des streckenseitigen Referenzpunktes durch die erste Detektionseinrichtung hin ein erstes Detektionssignal an die zweite Steuereinrichtung zu übermitteln.The device according to the invention is developed in such a way that the first control device is designed to transmit a first detection signal to the second control device upon detection of the track-side reference point by the first detection device.

Gemäß der erfindungsgemäßen Vorrichtung ist die zweite Steuereinrichtung ausgebildet, auf das Erfassen des streckenseitigen Referenzpunktes durch die zweite Detektionseinrichtung hin ein zweites Detektionssignal an die erste Steuereinrichtung zu übermitteln.According to the device according to the invention, the second control device is designed to detect the line-side Reference point through the second detection device to transmit a second detection signal to the first control device.

Die erfindungsgemäße Vorrichtung ist auch derart weitergebildet, dass die erste Steuereinrichtung ausgebildet ist, ein eine Angabe zu dem ersten Abstand enthaltendes erstes Detektionssignal zu übermitteln und die zweite Steuereinrichtung ausgebildet ist, ein eine Angabe zu dem zweiten Abstand enthaltendes zweites Detektionssignal zu übermitteln.The device according to the invention is also developed such that the first control device is designed to transmit a first detection signal containing an indication of the first distance and the second control device is designed to transmit a second detection signal containing an indication of the second distance.

Gemäß der erfindungsgemäßen Vorrichtung ist diese derart ausgebildet, dass die Länge des spurgebundenen Fahrzeugs von der ersten und der zweiten Steuereinrichtung jeweils unabhängig voneinander bestimmt wird.According to the device according to the invention, it is designed such that the length of the track-bound vehicle is determined independently of one another by the first and the second control device.

Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen näher erläutert. Hierzu zeigt

Figur 1
zur Erläuterung eines Ausführungsbeispiels des erfindungsgemäßen Verfahrens in einer schematischen Skizze eine Anordnung mit einem Ausführungsbeispiel der erfindungsgemäßen Vorrichtung zu einem ersten Zeitpunkt und
Figur 2
zur weiteren Erläuterung des Ausführungsbeispiels des erfindungsgemäßen Verfahrens in einer zweiten schematischen Skizze die Anordnung mit dem Ausführungsbeispiel der erfindungsgemäßen Vorrichtung zu einem zweiten, späteren Zeitpunkt.
The invention is explained in more detail below on the basis of exemplary embodiments. This shows
Figure 1
to explain an embodiment of the method according to the invention in a schematic sketch an arrangement with an embodiment of the device according to the invention at a first time and
Figure 2
to further explain the exemplary embodiment of the method according to the invention in a second schematic sketch, the arrangement with the exemplary embodiment of the device according to the invention at a second, later point in time.

Aus Gründen der Übersichtlichkeit werden in den Figuren für gleiche oder gleich wirkende Komponenten identische Bezugszeichen verwendet.For reasons of clarity, identical reference numerals are used in the figures for identical or identically acting components.

Figur 1 zeigt zur Erläuterung eines Ausführungsbeispiels des erfindungsgemäßen Verfahrens in einer schematischen Skizze eine Anordnung mit einem Ausführungsbeispiel der erfindungsgemäßen Vorrichtung zu einem ersten Zeitpunkt. Im Detail ist ein spurgebundenes Fahrzeug 10 erkennbar, das aus zwei miteinander gekuppelten beziehungsweise gekoppelten Wagen besteht. Alternativ hierzu könnte das spurgebundene Fahrzeug 10 selbstverständlich auch eine beliebige Anzahl gleicher oder auch ganz oder teilweise unterschiedlicher Wagen beziehungsweise Fahrzeuge aufweisen. Das spurgebundene Fahrzeug 10 weist ein vorderes Fahrzeugende 11 sowie ein hinteres Fahrzeugende 12 auf, wobei hierbei angenommen ist, dass sich das spurgebundene Fahrzeug in eine durch einen Pfeil gekennzeichnete Fahrtrichtung 40 von links nach rechts bewegt. Figure 1 shows to explain an embodiment of the method according to the invention in a schematic sketch an arrangement with an embodiment of the invention Device at a first time. In detail, a track-bound vehicle 10 can be seen, which consists of two carriages that are coupled or coupled to one another. As an alternative to this, the track-bound vehicle 10 could of course also have any number of identical or completely or partially different cars or vehicles. The track-bound vehicle 10 has a front vehicle end 11 and a rear vehicle end 12, it being assumed here that the track-bound vehicle is moving from left to right in a direction of travel 40 indicated by an arrow.

Das spurgebundene Fahrzeug 10 umfasst weiterhin eine erste Detektionseinrichtung 21 sowie eine zweite Detektionseinrichtung 22. Im Rahmen des beschriebenen Ausführungsbeispiels sei hierbei angenommen, dass die beiden Detektionseinrichtungen 21, 22 jeweils als Balisenlesegeräte ausgebildet sind. Darüber hinaus sind in Figur 1 eine erste Steuereinrichtung 31 und eine zweite Steuereinrichtung 32 erkennbar, die jeweils der ersten Detektionseinrichtung 21 beziehungsweise der zweiten Detektionseinrichtung 22 zugeordnet sind, d.h. insbesondere signaltechnisch beziehungsweise kommunikationstechnisch mit der betreffenden Detektionseinrichtung 21 beziehungsweise 22 verbunden sind.The track-bound vehicle 10 further comprises a first detection device 21 and a second detection device 22. In the context of the exemplary embodiment described, it is assumed here that the two detection devices 21, 22 are each designed as balise readers. In addition, in Figure 1 A first control device 31 and a second control device 32 can be seen, each of which is assigned to the first detection device 21 or the second detection device 22, that is to say in particular is connected to the relevant detection device 21 or 22 in terms of signal technology or communication technology.

An einem Fahrweg beziehungsweise Gleis 50 ist ein streckenseitiger Referenzpunkt 60 angeordnet, bei dem es sich im Rahmen des beschriebenen Ausführungsbeispiels um eine Balise handeln soll. Dabei ist in Figur 1 gerade die Situation gezeigt, in der der streckenseitige Referenzpunkt 60 durch die erste Detektionseinrichtung 21 in Form des Balisenlesegerätes erfasst beziehungsweise detektiert wird. Neben der Tatsache des Erfassens des streckenseitigen Referenzpunktes 60 als solcher kann hierbei durch die erste Detektionseinrichtung 21 insbesondere auch eine Identifizierung des streckenseitigen Referenzpunktes 60 erfasst beziehungsweise ausgelesen werden. Hierdurch kann - sofern unter den jeweiligen Umständen erforderlich beziehungsweise zweckmäßig - eine eindeutige Identifizierung des streckenseitigen Referenzpunktes 60 vorgenommen werden.A track-side reference point 60 is arranged on a track or track 50, which should be a balise within the scope of the exemplary embodiment described. Here is in Figure 1 just the situation shown, in which the track-side reference point 60 is detected or detected by the first detection device 21 in the form of the balise reader. In addition to the fact that the track-side reference point 60 is detected as such, the first detection device 21 can in particular also identify or read out an identification of the track-side reference point 60. In this way - if required or appropriate under the respective circumstances - a clear identification of the track-side reference point 60.

Im Weiteren soll nun im Zusammenhang mit Figur 2 genauer beschrieben werden, wie die dargestellte Anordnung beziehungsweise Vorrichtung derart betrieben werden kann, dass eine Bestimmung einer Länge L des spurgebundenen Fahrzeugs 10 in automatisierter sowie besonders zuverlässiger und sicherer Art und Weise ermöglicht wird.In the following should now be in connection with Figure 2 will be described in more detail how the arrangement or device shown can be operated in such a way that a determination of a length L of the track-bound vehicle 10 is made possible in an automated, particularly reliable and safe manner.

Figur 2 zeigt zur weiteren Erläuterung des Ausführungsbeispiels des erfindungsgemäßen Verfahrens in einer zweiten schematischen Skizze die Anordnung mit dem Ausführungsbeispiel der erfindungsgemäßen Vorrichtung zu einem zweiten, späteren Zeitpunkt. Figure 2 shows for a further explanation of the embodiment of the method according to the invention in a second schematic sketch the arrangement with the embodiment of the device according to the invention at a second, later point in time.

Die Darstellung der Figur 2 entspricht im Wesentlichen derjenigen der Figur 1, wobei sich das spurgebundene Fahrzeug 10 in der in Figur 2 dargestellten Situation derart in Fahrtrichtung 40 weiterbewegt hat, dass der streckenseitige Referenzpunkt 60 in Form der Balise nun durch die zweite Detektionseinrichtung 22 in Form des hinteren Balisenlesegerätes erfasst beziehungsweise detektiert wird. Auch hierbei kann gegebenenfalls die Identifizierung des streckenseitigen Referenzpunktes 60 erfasst beziehungsweise ausgelesen werden.The representation of the Figure 2 corresponds essentially to that of Figure 1 , wherein the track-bound vehicle 10 in the in Figure 2 illustrated situation has moved in the direction of travel 40 such that the track-side reference point 60 in the form of the balise is now detected or detected by the second detection device 22 in the form of the rear balise reader. Here, too, the identification of the track-side reference point 60 can optionally be detected or read out.

Es sei angenommen, dass von der ersten Steuereinrichtung 31 auf das Erfassen des streckenseitigen Referenzpunktes 60 durch die erste Detektionseinrichtung 21 hin ein erstes Detektionssignal an die zweite Steuereinrichtung 32 übermittelt worden ist. Dabei kann das erste Detektionssignal eine Angabe zu der Identifizierung des streckenseitigen Referenzpunktes 60 enthalten. Die Übermittlung des ersten Detektionssignals kann drahtgebunden oder drahtlos auf für sich bekannte Art und Weise erfolgen. Vorzugsweise ist hierbei eine funkbasierte Kommunikation zwischen den Steuereinrichtungen 31 und 32 vorgesehen, da hierdurch die Notwendigkeit entsprechender Kabel durch das spurgebundene Fahrzeug 10 vermieden wird. Unabhängig von der Art der Kommunikation zwischen der ersten Steuereinrichtung 31 und der zweiten Steuereinrichtung 32 sind diese vorzugsweise zeitlich synchronisiert, d.h. weisen eine gemeinsame Zeitbasis auf.It is assumed that a first detection signal has been transmitted from the first control device 31 to the second control device 32 upon detection of the track-side reference point 60 by the first detection device 21. The first detection signal can contain an indication of the identification of the track-side reference point 60. The first detection signal can be transmitted by wire or wirelessly in a manner known per se. In this case, radio-based communication is preferably provided between the control devices 31 and 32, since this means that corresponding cables are required is avoided by the track-bound vehicle 10. Regardless of the type of communication between the first control device 31 and the second control device 32, these are preferably synchronized in time, ie they have a common time base.

Durch die zweite Steuereinrichtung 32 kann nun eine zwischen dem Erfassen des streckenseitigen Referenzpunktes 60 mittels der ersten Detektionseinrichtung 21 und dem Erfassen des streckenseitigen Referenzpunktes 60 mittels der zweiten Detektionseinrichtung 22 von dem spurgebundenen Fahrzeug zurückgelegte Strecke D ermittelt werden. Diese entspricht dem Abstand zwischen der ersten Detektionseinrichtung 21 und der zweiten Detektionseinrichtung 22 und kann unter Verwendung zumindest einer Messeinrichtung etwa in Form einer Odometrieeinrichtung des spurgebundenen Fahrzeugs 10, beispielsweise in Form eines Wegimpulsgebers oder eines Radargerätes, durch die zweite Steuereinrichtung 32 ermittelt werden. Im Rahmen des beschriebenen Ausführungsbeispiels sei angenommen, dass die erste Steuereinrichtung 31 sowie die zweite Steuereinrichtung 32 jeweils eine entsprechende, in den Figuren aus Gründen der Übersichtlichkeit nicht dargestellte Messeinrichtung umfassen. Alternativ hierzu könnte die zumindest eine Messeinrichtung auch als separate Komponente ausgeführt sind, wobei sie in diesem Fall kommunikationstechnisch an die erste Steuereinrichtung 31 und/oder die zweite Steuereinrichtung 32 angebunden ist.The second control device 32 can now be used to determine a distance D covered by the track-bound vehicle between the detection of the reference point 60 on the track side by the first detection device 21 and the detection of the reference point 60 on the track side by the second detection device 22. This corresponds to the distance between the first detection device 21 and the second detection device 22 and can be determined by the second control device 32 using at least one measuring device, for example in the form of an odometry device of the track-bound vehicle 10, for example in the form of a displacement encoder or a radar device. In the context of the exemplary embodiment described, it is assumed that the first control device 31 and the second control device 32 each comprise a corresponding measuring device, which is not shown in the figures for reasons of clarity. Alternatively, the at least one measuring device could also be designed as a separate component, in which case it is connected to the first control device 31 and / or the second control device 32 in terms of communication technology.

Bei der Ermittlung der von dem spurgebundenen Fahrzeug zurückgelegten Strecke D dient somit der Zeitpunkt der Erfassung des streckenseitigen Referenzpunktes 60 mittels der ersten, in Fahrtrichtung 40 gesehenen vorderen Detektionseinrichtung 21 als Startpunkt der Messung und der Zeitpunkt des Erfassens des streckenseitigen Referenzpunktes 60 mittels der zweiten, in Fahrtrichtung 40 gesehen hinteren Detektionseinrichtung 22 als Endpunkt für die entsprechende Ermittlung. Um sicherzustellen, dass sowohl die erste Detektionseinrichtung 21 als auch die zweite Detektionseinrichtung 22 denselben streckenseitigen Referenzpunkt 60 erfasst haben, kann vorzugsweise ein Abgleich der jeweils ausgelesenen Identifizierung des streckenseitigen Referenzpunktes 60 erfolgen.When determining the distance D covered by the track-bound vehicle, the point in time of the detection of the reference point 60 on the track side by means of the first front detection device 21 seen in the direction of travel 40 serves as the starting point for the measurement and the time of detection of the reference point 60 on the track side by means of the second, in Direction 40 seen rear detection device 22 as an end point for the corresponding determination. To ensure that both the first detection device 21 and the second detection device 22 are the same Track-side reference point 60, preferably a comparison of the identified identification of the track-side reference point 60 can take place.

Aus der ermittelten zurückgelegten Strecke D ist es der zweiten Steuereinrichtung 32 nun möglich, die Länge L des spurgebundenen Fahrzeugs 10 zu bestimmen. Hierzu berücksichtigt die zweite Steuereinrichtung 32 vorteilhafterweise einen ersten Abstand d1 zwischen der ersten Detektionseinrichtung 21 und dem ersten, in Fahrtrichtung gesehen vorderen Fahrzeugende 11 und einen zweiten Abstand d2 zwischen der zweiten Detektionseinrichtung 22 und dem zweiten, in Fahrtrichtung gesehen hinteren Fahrzeugende 12 des spurgebundenen Fahrzeugs 10. Dies bedeutet, dass sich die Länge L des spurgebundenen Fahrzeugs 10 als Summe der zurückgelegten Strecke D, d.h. des Abstandes zwischen den beiden Detektionseinrichtungen 21, 22, sowie des ersten Abstands d1 und des zweiten Abstands d2 ergibt (L = D + d1 + d2). In diesem Zusammenhang sei darauf hingewiesen, dass die Abstände d1 und d2 entsprechend der Darstellung in Figur 2 identisch sein können, im Falle eines aus unterschiedlichen Wagen beziehungsweise Bestandteilen gebildeten spurgebundenen Fahrzeuges jedoch auch unterschiedliche Werte aufweisen können.From the determined distance D, the second control device 32 is now able to determine the length L of the track-bound vehicle 10. For this purpose, the second control device 32 advantageously takes into account a first distance d1 between the first detection device 21 and the first vehicle end 11, viewed in the direction of travel, and a second distance d2 between the second detection device 22 and the second vehicle end 12, viewed in the direction of travel, of the track-bound vehicle 10 This means that the length L of the track-bound vehicle 10 results as the sum of the distance D covered, ie the distance between the two detection devices 21, 22, and the first distance d1 and the second distance d2 (L = D + d1 + d2 ). In this context, it should be noted that the distances d1 and d2 correspond to the representation in Figure 2 may be identical, but may also have different values in the case of a track-bound vehicle formed from different cars or components.

Vorzugsweise wird von der zweiten Steuereinrichtung 32 auf das Erfassen des streckenseitigen Referenzpunktes 60 durch die zweite Detektionseinrichtung 22 hin ein zweites Detektionssignal an die erste Steuereinrichtung 31 übermittelt. Dies bietet den Vorteil, dass die Länge L des spurgebundenen Fahrzeugs 10 von der ersten Steuereinrichtung 31 und der zweiten Steuereinrichtung 32 jeweils unabhängig voneinander bestimmt werden kann. Hierzu enthält das erste Detektionssignal vorzugsweise eine Angabe zu dem ersten Abstand d1 und das zweite Detektionssignal eine Angabe zu dem zweiten Abstand d2. Dabei erfolgt die Kommunikation zwischen den beiden Steuereinrichtungen 31 und 32 vorteilhafterweise auf signaltechnisch sichere, "vitale" Art und Weise.Preferably, the second control device 32 transmits a second detection signal to the first control device 31 upon detection of the track-side reference point 60 by the second detection device 22. This offers the advantage that the length L of the track-bound vehicle 10 can be determined independently of one another by the first control device 31 and the second control device 32. For this purpose, the first detection signal preferably contains an indication of the first distance d1 and the second detection signal contains an indication of the second distance d2. The communication between the two control devices 31 and 32 advantageously takes place in a signal-safe, "vital" manner.

Bei der Bestimmung der Länge L des spurgebundenen Fahrzeugs 10 beziehungsweise bei deren anschließenden Verwendung wird vorteilhafterweise eine sich ergebende Messungenauigkeit berücksichtigt. Diese setzt sich aus einer Ungenauigkeit bei dem Erfassen des streckenseitigen Referenzpunktes 60 in Form der Balise sowie einer Ungenauigkeit bei der Ermittlung der zurückgelegten Strecke zusammen, wobei die Messungenauigkeit bezüglich des Erfassens des streckenseitigen Referenzpunktes 60 aufgrund der Erfassung durch die beiden Detektionseinrichtungen 21 und 22 zweifach in die resultierende Gesamtungenauigkeit eingeht. Unter Berücksichtigung der resultierenden Messungenauigkeit kann die Länge L des spurgebundenen Fahrzeugs 10 somit derart bestimmt werden, dass diese in einem Intervall zwischen der bestimmten Länge L (d.h. D + d1 + d2) plus der Messungenauigkeit sowie der bestimmten Länge L minus der Messungenauigkeit liegt.When determining the length L of the track-bound vehicle 10 or when using it subsequently, a resulting measurement inaccuracy is advantageously taken into account. This is composed of an inaccuracy in the detection of the track-side reference point 60 in the form of the balise and an inaccuracy in the determination of the distance covered, the measurement inaccuracy with respect to the detection of the track-side reference point 60 being twice due to the detection by the two detection devices 21 and 22 the resulting total inaccuracy is received. Taking into account the resulting measurement inaccuracy, the length L of the track-bound vehicle 10 can thus be determined such that it lies in an interval between the determined length L (i.e. D + d1 + d2) plus the measurement inaccuracy and the determined length L minus the measurement inaccuracy.

Entsprechend den vorstehenden Ausführungen im Zusammenhang mit dem beschriebenen Ausführungsbeispiel des erfindungsgemäßen Verfahrens sowie der erfindungsgemäßen Vorrichtung weisen diese insbesondere den Vorteil auf, dass sie eine automatisierte und zuverlässige Bestimmung der Länge L des spurgebundenen Fahrzeugs 10 ermöglichen, wobei dies vorteilhafterweise geschieht, ohne dass hierfür eine Kommunikation mit streckenseitigen Einrichtungen erforderlich ist (mit Ausnahme eines möglichen Auslesens einer Identifizierung des streckenseitigen Referenzpunktes 60). Durch eine Kombination der ermittelten beziehungsweise gemessenen Strecke beziehungsweise des Abstands D zwischen der ersten Detektionseinrichtung 21 und der zweiten Detektionseinrichtung 22 wird es, gegebenenfalls in Verbindung mit den Abständen d1 und d2, vorteilhafterweise ermöglicht, die Länge L des spurgebundenen Fahrzeugs 10 auf präzise und vergleichsweise einfache Art und Weise zu bestimmen. Vorteilhafterweise sind hierbei insbesondere keine speziellen streckenseitigen Einrichtungen zur Messung der Länge des spurgebundenen Fahrzeugs 10 erforderlich. Weiterhin funktioniert das Verfahren vorteilhafterweise ohne dass hierfür Eingaben durch einen Fahrzeugführer erforderlich wären. Hierbei nutzt das Verfahren in Form der Detektionseinrichtungen 21, 22 und der Steuereinrichtungen 31, 32 (sowie gegebenenfalls des Referenzpunktes 60) vorzugsweise Komponenten, die ein Zugbeeinflussungssystem, etwa in Form eines CBTC-Systems, häufig beispielsweise aus Redundanzgründen ohnehin bereits aufweist. Hierdurch ergeben sich Vorteile in Bezug auf eine vergleichsweise einfache und kostengünstige Realisierbarkeit. Weiterhin funktioniert das Verfahren sowohl für drahtgebunden als auch drahtlos angebundene Detektionseinrichtungen 21, 22 und ist vorteilhafterweise unabhängig von der jeweiligen Position der Detektionseinrichtungen 21, 22 innerhalb des spurgebundenen Fahrzeugs 10. Dadurch, dass grundsätzlich Referenzpunkte beliebiger Art verwendet werden können, kann die Länge des spurgebundenen Fahrzeugs in Abhängigkeit von der Art des verwendeten Referenzpunktes in beliebigen zeitlichen beziehungsweise örtlichen Abständen bestimmt werden, so dass eine entsprechende Längenbestimmung im Extremfall quasi kontinuierlich erfolgen kann.According to the above statements in connection with the described exemplary embodiment of the method according to the invention and the device according to the invention, these have the particular advantage that they enable automated and reliable determination of the length L of the track-bound vehicle 10, this advantageously taking place without communication for this with trackside devices is required (with the exception of a possible readout of an identification of the trackside reference point 60). A combination of the determined or measured distance or the distance D between the first detection device 21 and the second detection device 22 advantageously makes it possible, possibly in conjunction with the distances d1 and d2, to make the length L of the track-bound vehicle 10 precise and comparatively simple Way to determine. Advantageously, in particular no special trackside devices for measuring the length of the track-bound vehicle 10 are required. Furthermore, the method advantageously works without the need for inputs by a vehicle driver. Here the method in the form of the detection devices 21, 22 and the control devices 31, 32 (and possibly the reference point 60) preferably uses components which a train control system, for example in the form of a CBTC system, often already has for redundancy reasons, for example. This results in advantages in terms of a comparatively simple and inexpensive feasibility. Furthermore, the method works both for wired and wirelessly connected detection devices 21, 22 and is advantageously independent of the respective position of the detection devices 21, 22 within the track-bound vehicle 10. Because reference points of any kind can be used in principle, the length of the track-bound can Vehicle depending on the type of reference point used can be determined at any time or local intervals, so that a corresponding length determination can be carried out quasi continuously in extreme cases.

Claims (4)

  1. Method for determining a length (L) of a rail-bound vehicle (10),
    - wherein a track-side reference point (60) is detected by means of a first, front detection device (21) of the rail-bound vehicle (10), viewed in the direction of travel (40),
    - wherein the track-side reference point (60) is detected by means of a second, rear detection device (22) of the rail-bound vehicle (10), viewed in the direction of travel (40),
    - wherein a distance (D) covered by the rail-bound vehicle (10) between the detection of the track-side reference point (60) by means of the first detection device (21) and the detection of the track-side reference point (60) by means of the second detection device (22) is determined,
    - wherein the length (L) of the rail-bound vehicle (10) is determined from the determined distance (D) and a first distance (d1) between the first detection device (21) and a first, front vehicle end (11), viewed in the direction of travel (40), and a second distance (d2) between the second detection device (22) and a second, rear vehicle end (12), viewed in the direction of travel (40),
    - wherein with a first control device (31) assigned to the first detection device (21) and a second control device (32) assigned to the second detection device (22) a first detection signal is transmitted to the second control device (32) by the first control device (31) upon detection of the track-side reference point (60) by the first detection device (21),
    - wherein a second detection signal is transmitted to the first control device (31) upon detection of the track-side reference point (60) by the second detection device (22),
    - wherein the first detection signal contains an indication of the first distance (d1) and wherein the second detection signal contains an indication of the second distance (d2),
    - wherein the first control device and the second control device are synchronized in terms of time and wherein the first detection signal contains the time of detection of the track-side reference point by the first detection device,
    - wherein the length (L) of the rail-bound vehicle (10) is determined by the first and the second control device (31, 32) independently of one another.
  2. Method according to claim 1,
    characterised in that
    a balise is used as the track-side reference point (60) and a balise reader is used as the first and second detection device (21, 22) respectively.
  3. Device which is adapted for determining a length (L) of a rail-bound vehicle (10), having
    - a first, front vehicle-side detection device (21), viewed in the direction of travel (40), which is adapted for detecting a track-side reference point (60),
    - a second, rear vehicle-side detection device (22), viewed in the direction of travel (40), which is adapted for detecting the track-side reference point (60),
    - at least one vehicle-side measuring device which is adapted for determining a distance (D) covered by the rail-bound vehicle (10) between the detection of the track-side reference point (60) by means of the first detection device (21) and the detection of the track-side reference point (60) by means of the second detection device (22),
    - wherein at least one control device (31, 32) is configured to determine the length (L) of the rail-bound vehicle (10) from the determined distance (D) and a first distance (d1) between the first detection device (21) and a first, front vehicle end (11), viewed in the direction of travel (40), and a second distance (d2) between the second detection device (22) and a second, rear vehicle end (12), viewed in the direction of travel (40),
    - wherein a first control device (31) is assigned to the first detection device (21) and wherein a second control device (32) is assigned to the second detection device (22),
    - wherein the first control device (31) is configured to transmit a first detection signal to the second control device (32) upon detection of the track-side reference point (60) by the first detection device (21),
    - wherein the second control device (32) is configured to transmit a second detection signal to the first control device (31) upon detection of the track-side reference point (60) by the second detection device (22),
    - wherein the first control device (31) is configured to transmit a first detection signal containing an indication of the first distance (d1),
    - wherein the second control device (32) is configured to transmit a second detection signal containing an indication of the second distance (d2),
    - wherein the first control device and the second control device are synchronized in terms of time and wherein the first detection signal contains the time of detection of the track-side reference point by the first detection device,
    - wherein the first and the second control device (31, 32) are configured such that the length (L) of the rail-bound vehicle (10) is determined by the first and the second control device (31, 32) independently of one another.
  4. Device according to claim 3,
    characterised in that
    the first and the second detection device (21, 22) are each configured as a balise reader for detecting a track-side reference point (60) in the form of a balise.
EP17730096.9A 2016-07-07 2017-06-07 Method and device for detecting the length of a rail-bound vehicle Active EP3458333B1 (en)

Applications Claiming Priority (2)

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DE102016212395.5A DE102016212395A1 (en) 2016-07-07 2016-07-07 Method and device for determining a length of a track-bound vehicle
PCT/EP2017/063753 WO2018007084A1 (en) 2016-07-07 2017-06-07 Method and apparatus for determining the length of a railbound vehicle

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EP3458333B1 true EP3458333B1 (en) 2020-07-29

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