EP1723021B1 - System zum verfolgen von schienenfahrzeugen - Google Patents

System zum verfolgen von schienenfahrzeugen Download PDF

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Publication number
EP1723021B1
EP1723021B1 EP05713989A EP05713989A EP1723021B1 EP 1723021 B1 EP1723021 B1 EP 1723021B1 EP 05713989 A EP05713989 A EP 05713989A EP 05713989 A EP05713989 A EP 05713989A EP 1723021 B1 EP1723021 B1 EP 1723021B1
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EP
European Patent Office
Prior art keywords
rail car
locomotive
data
location
rail
Prior art date
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Not-in-force
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EP05713989A
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English (en)
French (fr)
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EP1723021A1 (de
Inventor
Bradley Charles Hendrickson
Daniel Malachi Ballesty
Glenn Robert Shaffer
Jeffrey James Kisak
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General Electric Co
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General Electric Co
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Publication of EP1723021B1 publication Critical patent/EP1723021B1/de
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    • 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
    • B61L15/0081—On-board diagnosis or maintenance
    • 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
    • B61L15/0018—Communication with or on the vehicle or vehicle train
    • B61L15/0027—Radio-based, e.g. using GSM-R
    • 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
    • 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
    • B61L25/021—Measuring and recording of train speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/023—Determination of driving direction of vehicle or vehicle train
    • 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
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/40—Handling position reports or trackside vehicle data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2205/00—Communication or navigation systems for railway traffic
    • B61L2205/04—Satellite based navigation systems, e.g. GPS

Definitions

  • This invention relates generally to the field of rail transportation, and more particularly to tracking locations of rail cars within a rail transportation system.
  • Rail cars may be equipped with radio frequency identification (RFID) tags such as Automatic Equipment Identification (AEI) tags that may be read by a wayside tag reader positioned at known locations within the rail system and configured to recognize and report when an AEI tagged railcar passes.
  • RFID radio frequency identification
  • AEI Automatic Equipment Identification
  • Such reports are known as Car Location Messages (CLM's).
  • a location and a time of passage of the rail car may be reported from the wayside tag reader to a centralized database that may be accessed by shippers or the railroad companies to track the last reported locations of their tagged rail cars.
  • a centralized database that may be accessed by shippers or the railroad companies to track the last reported locations of their tagged rail cars.
  • such an AEI system can only provide location information of the rail car at the time when the car passes the reader.
  • the exact location of a railcar at times after it has passed an AEI tag reader, such as in an industrial plant is not known through the use of the AEI tag system.
  • a significant length of track and thus a large number of possible railcar locations may exist between adjacent AEI tag readers.
  • Rail cars have also been equipped with locating equipment, such as a global positioning satellite (GPS) receiver, coupled to an on-board transmitter to transmit rail car location information to a central site for rail car tracking purposes.
  • GPS global positioning satellite
  • these systems typically transmit a large body of information in long messages so as to fully identify the location of the railcars and do so on regularly scheduled timed intervals, so that battery life has proven to be unacceptably short.
  • train-based local area networks LAN's
  • the present invention innovatively integrates information accumulated from multiple railway IT systems to provide a rail car tracking system operating on extended life intervals.
  • the present invention enables a rail car tracking system that provides location-reporting accuracy that is improved over existing AEI tag systems that are limited by the spacing between wayside readers.
  • the present invention also enables a rail car tracking system that provides high-value information transfer with low on-car power requirements by utilizing event-driven reporting and reduced message lengths.
  • the capabilities of AEI tag systems, locomotive communication systems and railcar GPS systems are integrated with railroad train, track and schedule databases to provide a cost effective and power effective solution to the problem of rail car tracking.
  • the figure is a functional block diagram of an exemplary system 10 for tracking rail cars in a rail transportation system.
  • the system 10 generally includes rail car location/transceiver equipment 12 forming a wireless message system mounted on a rail car 22.
  • the rail car location/transceiver equipment 12 may include a location determination device, such as a GPS receiver 24, a transceiver 26, a processor 28, and a memory 30 for storing processor instructions.
  • the rail car 22 may also be equipped with a sensor suite 32 for sensing operating conditions of the rail car 22, and a power source, such as a battery 34, for powering the sensor suite 32 and the rail car location/transceiver equipment 12.
  • the sensor suite 32 may include sensors such as an accelerometer for detecting movement of the rail car 22, a temperature sensor, a pressure sensor, a door position sensor, a cargo identification sensor, and a cargo seal condition sensor.
  • the rail car 22 may also be equipped with an AEI tag 33 to uniquely identify the car 22 to a wayside AEI tag reader 36 that the car 22 passes.
  • the AEI tag is preferably an active tag including a processor that allows the tag to read as well as being read and to communicate the results of the reading of external tags such as those on wayside markers or on other rail vehicles (rail cars and locomotives, for example) to the equipment 12 so that the location of the external tags can be communicated to a remote rail system monitoring and tracking operation. This enables comparison of different AEl data for determining location of rail assets.
  • the railcar may also sense attributes of the cargo contained within the railcar.
  • an RFID reader (not shown) may be in communication with the processor 28 for sensing RFID tagged cargo in the railcar 22. Such information may be provided to customers of the railroad via the shipper interface 56.
  • the rail car location/transceiver equipment 12 may be in communication with a rail car tracking interface 16 controlled by a central processor 19 having access to a centralized train and car tracking database 18.
  • the rail car tracking interface 16 is off-board of the railcar and remote from the rail car location transceiver equipment 12 as indicated by dotted line 20.
  • the rail car tracking interface 16 may include a transceiver for communication to and from one or more rail cars, a processor, a memory, and a communication interface, such as a LAN or Internet interface, for communication with the central processor 19.
  • the rail car location/transceiver equipment 12 may communicate with the rail car tracking interface 16 over a suitable wireless rail car radio link 14, such as a satellite or cellular network.
  • the rail car transceiver 26 may be configured for bi-directional operation so that the rail car 22 may transmit rail car data and receive instructions, for example, from the rail car tracking interface 16.
  • Information such as railcar location data, speed data, heading data, sensor data, and battery power data, may be transmitted from the rail car 22 in accordance with programmed instructions, upon request from the rail car tracking interface 16, and/or upon occurrence of an exceptional event.
  • dwell alert information indicating, for example, that the rail car has remained motionless for a certain period of time, may also be transmitted from the rail car 22 on a periodic basis or upon request.
  • Dwell alert data may be obtained by the processor 28 monitoring timing and GPS position from GPS 24.
  • geo-fencing information such as a time when the rail car 22 has traversed a predetermined geographic boundary, may be transmitted by the rail car 22 when the rail car 22 crosses the this virtual boundary.
  • the configurable geo-fences may be used to simulate AEI readers by providing CLM messages when the rail car passes a certain location.
  • the rail car location/transceiver equipment 12 may be configured to communicate with a locomotive 38 over a locomotive communication link 40 such as a wireless local area network (LAN), for example, when the rail car 22 is connected in a train powered by the locomotive 38.
  • the locomotive 38 may include locomotive communication equipment 42 for communicating with the rail car 22 over the LAN, and for communicating with a locomotive interface 48 over a wireless locomotive radio link 46.
  • the locomotive communication equipment 42 may sense and report the status of onboard locomotive systems 44.
  • the locomotive communication equipment 42 may be configured to transmit locomotive location from various sources such as an AEI reader and GPS receiver 45, speed, heading, dwell alert information, geo-fencing information, and train handling information to the locomotive interface 48.
  • locomotive operation indicative of a decoupling maneuver may be transmitted to the locomotive interface 48 to alert a possible decoupling of rail cars 22 from a train pulled by the locomotive 38.
  • the locomotive interface 48 may include a transceiver for communication with one or more locomotives, a processor, a memory, and a communication interface, such as a LAN or Internet interface, for communication with the central processor 19.
  • the system 10 may further include a system interface 50 for receiving other inputs that may be useful for tracking rail cars in the system 10.
  • the system interface 50 may include input communication interfaces appropriate for receiving these other inputs, such as a wireless communications interface, a wide area network (WAN) interface, or an Internet interface; a processor; a memory; and an output communication interface; such as a LAN or Internet interface, for communication with the central processor 19.
  • the system 10 may be configured to receive data from one or more AEI readers 36.
  • the system interface 50 may be configured to provide a location of a rail car 22 at certain point in time when the rail car 22 passes the reader 36.
  • the present system 10 may utilize AEI reader data to recognize an assemblage of rail cars as a train and to associate that train with one or more locomotives. In this manner, locomotive position data received from the locomotive interface 48 may be applied to all of the rail cars in the train to update rail car position information without the need for any car-specific data transmission.
  • the system interface 50 may also include inputs for railroad (RR) work order information, RR estimated time of arrival (ETA) information, weather information, train schedule information, track circuit information and computer aided dispatch (CAD) information.
  • RR railroad
  • ETA estimated time of arrival
  • CAD computer aided dispatch
  • Such information acquired from various sources may be assimilated and used to provide more comprehensive data associated with rail car 22 locations in a single user-friendly presentation and in a more power efficient manner.
  • the rail car tracking interface 16, the locomotive interface 48, the system interface 50 and the track database 52 may be in communication with each other and the central processor 19 and train and car tracking database 18, such as over a suitable network, such as a LAN or Internet connection, to allow integration of information from among these sources.
  • the train and car tracking database 18, or portion of the database 18, may also be provided, for example, via the central processor 19, to a shipper interface 56 or railroad (RR) company interface that may be accessible by shippers, such as over a secure communication link, to allow shippers to locate their rail cars within the railway system.
  • a shipper interface 56 or railroad (RR) company interface may be accessible by shippers, such as over a secure communication link, to allow shippers to locate their rail cars within the railway system.
  • the information gathered from the input sources via the interfaces 16, 48, 50 may be used to provide real-time rail car location, car speed, car heading, notifications when a car arrives at a predetermined location, notification when cargo conditions changes, such as a seal opening or closing, temperature or pressure readings exceeding predetermined values, and ETA at a destination.
  • operating instructions based on input parameters such as rail car destination, train schedules, and cargo carried by the rail car 22 and generated by the train and car tracking database 18 may be provided to a rail car 22 via, for example, wireless transmission of instructions from the rail car tracking interface 16.
  • the rail car receives the operating information and may store the information in memory 30 as processor instructions to control operation of the rail car location/transceiver equipment 12 to conserve battery power.
  • Such information may be provided to the rail car 22 at any time, or in response to a change in condition of the rail car, such as when the rail car is connected to or disconnected from a train, or in response to changing parameters within the railway system, such as a change in weather or track conditions.
  • a change in condition of the rail car such as when the rail car is connected to or disconnected from a train
  • changing parameters within the railway system such as a change in weather or track conditions.
  • the system 10 may be configured to transmit as little data as possible from the rail car, while at the same time ensuring that high value information is transmitted in a timely manner.
  • Data that can be obtained directly or indirectly from other sources need not be generated at the railcar (and thus need not be transmitted from the rail car), such as the example described above of car location being derived from train location that is reported as locomotive location.
  • the central processor 19, based on input information provided by the interfaces 16, 48, 50, and information stored in the train and car tracking database 18, may generate instructions for transmission to a rail car 22 for reducing a transmission frequency and/or amount of information transmitted by the rail car 22 to conserve battery power.
  • Data transmitting frequency may be a function of variables other than time, such as distance from a destination, initiation of movement, location, etc. Typically, only data that is new or revised (or otherwise not available from another source) would be transmitted.
  • An innovative method of achieving reduced power consumption by a rail car may include limiting transmission of information to occurrences of an exception to an expected operation profile, instead of transmitting, at a fixed periodic rate, information that may not be changing or is not varying within a predetermined range of desired values.
  • the rail car location/transceiver equipment 12 and sensor suite 32 may be configured to remain in a minimum power state until an exception occurs, such as when a condition detected by a sensor changes or exceeds a predetermined value.
  • the processor 28 may then transmit an exception signal to the rail car tracking interface 16.
  • Such an exception signal may be formatted as a message having a limited length to contain only the minimum amount of information needed to report the exception condition.
  • the rail car tracking interface 16 may be configured to send a response signal to the rail car 22 from which an exception signal was received.
  • the response signal may contain new instructions for the rail car location/transceiver equipment 12 based on the nature of the exception, or the response may contain an acknowledgement indication verifying that the exception signal was received.
  • the rail car location/transceiver equipment 12 may be configured to transmit exception signals at a periodic rate when an exception occurs until a response is received from the rail car tracking interface 16 to verify that the exception signal is received.
  • the processor 28 may be programmed with instructions allowing it to recognize conditions indicative of not being attached to a locomotive. When a rail car is on a siding and is not moving, processor 28 may be programmed to report that it is parked and then to provide no further report until it is moved, or until it is moved past a known location such as an AEI location. During such dormant periods, programmed messages may be prepared via the system interface 50 and may be stored in a virtual in-box for the rail car. The rail car equipment may be programmed to awaken periodically to check its in-box for messages, such as revised reporting schedule instructions.
  • an exception signal reporting a sensed temperature extreme may be transmitted to the rail car tracking interface 16 and reported to the train and car tracking database 18. If the rail car 22 has onboard refrigeration capability, the train and car tracking data base 18 may recognize this and provide an instruction to be sent to the rail car 22 via the rail car tracking interface 16 to remedy the exception condition, such as by controlling the onboard refrigeration unit to provide additional cooling. Once an exception has occurred, exception reporting parameters may be changed, for example, by providing new parameters via the rail car tracking interface 16, to more closely monitor the exception condition. In another example, if a door sensor detects that a door on the rail car 22 has been opened, an exception signal may be transmitted reporting an open door condition.
  • Location information may be provided in the exception signal to allow maintenance personnel to locate the rail car 22 and correct the sensed condition, such as by closing the open door.
  • an accelerometer sensor on the rail car senses a pattern of movement indicative of decoupling rail cars, an exception signal identifying the condition, including location information, may be transmitted.
  • an accelerometer exception signal may be generated if a change from a moving condition to a stopped condition, or vice versa, is sensed. For example, if a rail car 22 has been disconnected from a train and left stationary in a siding or train yard, and the accelerometer detects movement of the rail car 22, an exception signal, which may include location information, may be generated to indicate the rail car 22 has moved. Similarly, if a rail car 22 has been moving, such as in a train, and a stopped condition is detected, an exception signal, which may include location information, may be transmitted to indicate an unexpected stop.
  • a mercury switch may be used to sense acceleration or deceleration.
  • power conservation on the rail car 22 may be achieved by limiting frequency of rail car transmissions, such as location information, depending on a distance from an intended destination. For example, a shipper may only want to know the location of a rail car 22 as the car 22 nears its destination.
  • a rail car 22 If a rail car 22 is traveling on a trip of a known distance, such as a one thousand mile trip, and an average speed of the rail car is known, such as may be inferred from locomotive information or estimated as an average speed for the trip based on historical data and current railway conditions, the rail car 22 may be instructed to transmit its location when it is projected to be at predetermined time, such as 10 hours, away from its destination, seen as a geo-fence, and may increase its frequency of transmitting location information after reaching this point.
  • the central processor 19 may perform speed, time and distance calculations to project when a rail car needs to report its location. The lack of such an expected may stimulate an inquiry being sent to the rail car's "in box" to prompt the rail car to report its present location/condition.
  • power conservation on the rail car 22 may be achieved by limiting frequency of rail car transmissions using the concept of geo-fences, or electronically bounded areas of railway operation.
  • an electronic boundary may be defined around the outskirts of a city to indicate to a train crossing the boundary that the train has left or entered the outskirts, depending on its direction of travel.
  • the direction of travel may be determined from train schedule data or locomotive data available in the system 10.
  • Direction of travel may also be provided by heading information developed from GPS data.
  • This concept may be implemented by defining a geographic location of the boundary so that when a train having self-locating equipment traverses the boundary, the train may be configured to recognize that it has crossed the boundary by correlating its current location with the defined geographic location of the boundary.
  • a rail car 22 may be provided with appropriate geo-fence locations by the rail car tracking interface 16 at the beginning of a trip, such as when the rail car 22 is coupled to train, based on the destination of the rail car 22. Then, instead of transmitting location information on a periodic basis, the rail car 22 may be instructed to limit sending of location information to an occurrence of the rail car traversing a geo-fence boundary. For example, the rail car may compare its current location, such as derived from received GPS position data, to geo-fence boundary information stored in memory 30 to determine if the rail car has crossed a geo-fence boundary, and, if a boundary crossing has occurred, the rail car 22 may transmit an indication that it has crossed the boundary.
  • Another innovative method of reducing power consumption may include decreasing a frequency of transmission of data when location information may be inferred using other means, such as by using locomotive or AEI position information to infer a rail car location when the rail car 22 is in a train attached to the locomotive 38.
  • locomotive information may be provided on a relatively frequent basis because power consumption by the locomotive communication equipment 42 is not a concern. Consequently, when the rail car 22 is attached to a train pulled by a locomotive 38 that is in communication with the locomotive interface 48, rail car location information may be inferred from a locomotive 38 location instead of requiring the rail car to independently report its location.
  • rail car status information may be inferred from locomotive action, such as when locomotive information provided to the locomotive interface 48 indicates that the locomotive is performing make/brake maneuvers, indicative of decoupling rail cars. If such locomotive maneuvers are detected, the rails car tracking interface 16 may instruct the rail car 22 to identify its location to determine if the car 22 has been decoupled or is still traveling with the train.
  • the rail car 22 may be monitored to determine remaining battery life based on past usage by the rail car location/transceiver equipment 12. For example, remaining battery life may be modeled based on the number and/or length of messages transmitted by the rail car location/transceiver equipment 12. If a cumulative number and/or cumulative length of messages transmitted by the rail car 22 exceeds a predetermined total number and total length indicating the battery power may soon be exhausted, the rail car 22 may be instructed to transmit its location and then refrain from transmitting until the battery 34 is replaced or recharged. Service personnel may also be alerted at the same time of the need to replace or recharge the battery onboard the railcar.
  • the rail car location/transceiver equipment 12 may be configured to perform this battery monitoring function, or the function may be performed remotely, such as by the rail car tracking interface 16, based on the number and length of transmissions received for the rail car 22.
  • the locomotive may be equipped with an AEI reader and may function as a roaming locator of rail cars.
  • the locomotive may be configured to identify cars within its train.
  • the locomotive may also be configured to locate other cars that it passes, such as cars stationary on a siding, by reading the AEI tags of those cars and by providing the corresponding tag and location information to the locomotive interface 28 for processing by the central processor 19.

Claims (16)

  1. Eisenbahnwagen-Tracking-System (10), aufweisend:
    eine an einem Eisenbahnwagen (22) angebrachte Eisenbahnwagen-Ortungsausrüstung (12);
    einen elektronisch lesbaren Tag (33), der an dem Eisenbahnwagen (22) angebracht ist, um den Eisenbahnwagen (22) gegenüber einem streckenseitigen Tag-Leser zu identifizieren (36), und
    eine Lokomotiven-Kommunikationsausrüstung (42), die in eine Lokomotive (38) eingebaut und für die Kommunikation mit der Eisenbahnwagen-Ortungsausrüstung (12) eingerichtet ist, wenn der Eisenbahnwagen (22) und die Lokomotive (38) in einen üblichen Zug eingekoppelt sind, wobei die Lokomotiven-Kommunikationsausrüstung (42) dazu dient, den angekoppelten Eisenbahnwagen (22) zu erkennen, und wobei auch ein Sender (48) zum Senden von Daten an einen Fernempfänger (21) enthalten ist, wobei die Daten Eisenbahnwagendaten umfassen, dadurch gekennzeichnet, dass
    die Eisenbahnwagen-Ortungsausrüstung (12) einen Sender (26) umfasst, um Eisenbahnwagen-Positionsdaten an den Fernempfänger (21) zu senden, wobei die Datenübertragung von dem Eisenbahnwagen über dessen Sender oder, wenn der Eisenbahnwagen sich in einem Zug befindet, den Sender der Lokomotive durchgeführt werden kann, so dass die von dem Sender des Eisenbahnwagens (26) erforderlichen Datenübertragungen reduziert werden.
  2. Eisenbahnwagen-Tracking-System nach Anspruch 1 mit einem LAN (40) für die Datenübertragung zwischen dem Eisenbahnwagen (22) und der Lokomotive (38).
  3. Eisenbahnwagen-Tracking-System nach Anspruch 2, mit einer Anzahl von mit dem Eisenbahnwagen verbundenen Statussensoren (32), wobei jeder der Sensoren (32) den Sender (26) der Fahrzeugsortungsausrüstung mit Daten versorgt, um diese über das LAN (40) an den Lokomotivensender (42) zu senden.
  4. Eisenbahnwagensystem nach Anspruch 3 mit einer Überwachungsausrüstung (44) zur Überwachung der Lokomotivensysteme, die mit der Kommunikationsausrüstung (42) der Lokomotive kommunizierend verbunden ist, um Lokomotivendaten an den Fernempfänger (21) zu senden.
  5. Eisenbahnwagensystem nach Anspruch 4, wobei der Fernempfänger (21) eine Eisenbahnwagen-Tracking-Schnittstelle (16) zum Empfang von Datenübermittlungen von der Eisenbahnwagen-Kommunikationsausrüstung (12), eine Lokomotiven-Tracking-Schnittstelle (48) zum Empfang der von der Lokomotiven-Kommunikationsausrüstung (42) gesendeten Daten, eine Systemschnittstelle (50) zum Erkennen von Eisenbahnwagen, die den Leser (36) passieren, und eine Zentrale Recheneinheit (19) aufweist, um Daten von allen Schnittstellen zu extrahieren, um die Position eines Eisenbahnwagens zu erkennen.
  6. Integriertes Eisenbahnwagen-Tracking-System mit dem Eisenbahnwagen-Tracking-System nach Anspruch 1 und
    mit einer Anzahl feststehender streckenseitiger Automatischer Geräteerkennungs(AEI)-Leser (36), die sich beabstandet an vorgegebenen Positionen entlang einer Bahnstrecke befinden, um Identifizierungsdaten aus AEI-Tags (33) an Eisenbahnwagen (22) auszulesen, die die Strecke entlangfahren;
    wobei die Lokomotiven-Kommunikationsausrüstung (42) ein GPS-System (45) an Bord des Zuges aufweist, um Daten bereitzustellen, die die Position der Lokomotive (38) anzeigen, und
    mit einem an einem Eisenbahnwagen (22) angebrachten drahtlosen Eisenbahnwagen-Nachrichtensystem (12), zum Senden periodischer Nachrichten, die die Position des Eisenbahnwagens (22) anzeigen, wobei das Nachrichtensystem ein GPS-System (24) zur Erzeugung von Daten enthält, die die Position des Eisenbahnwagens anzeigen.
  7. Integriertes Eisenbahnwagen-Tracking-System (10) nach Anspruch 6, mit einem Fern-Datenprozessor (19) für die Verarbeitung von Daten, die von dem Fernempfänger (21) empfangen wurden, und um aus den Daten Informationen zu extrahieren, die die Position, Geschwindigkeit und Reiserichtung des zugehörigen Eisenbahnwagens (22) kennzeichnen.
  8. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 7, mit einer Vielzahl von Statussensoren (32), die an dem Eisenbahnwagen (22) angebracht sind, wobei die Sensoren (32) das Eisenbahnwagen-Nachrichtensystem (12) mit Statusdaten zum Senden an den Fernempfänger versorgen.
  9. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 8, wobei die Statussensoren (32) einen oder mehrere Türöffnungs-/Türschließsensoren, Drucksensoren, Temperatursensoren und Ladungsidentifikationssensoren umfassen.
  10. Eisenbahnwagen-Tracking-System nach Anspruch 8,
    mit einer Programmierung, die in einem Prozessor (28) an Bord betriebsfähig ist, um die Zeit und Position aus dem GPS (24) auszulesen, um die Haltezeit ohne bedeutende Bewegung anzuzeigen.
  11. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 7, mit einer Datenspeicherung (52) bei dem Fernprozessor (19) zur Speicherung von Daten, die die Zeitplanung für den Eisenbahnwagen darstellen, wobei der Prozessor (19) die Eisenbahnwagendaten mit der Eisenbahnwagen-Zeitplanung vergleicht, um Daten bereitzustellen, die Abweichungen vom Zeitplan zeigen.
  12. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 7, umfassend Programmmittel, die in dem Eisenbahnwagen-Nachrichtensystem (12) betriebsfähig sind, um periodische Nachrichten an den Fernempfänger (21) zu senden und bei Feststellen einer Statusänderung Statusänderungsnachrichten an den Fernempfänger (21) zu senden.
  13. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 7, mit Lokomotiven-Statussensoren (44), die in der Lokomotive (38) angebracht und mit dem Lokomotiven-Kommunikationssystem (42) verbunden sind, um den Fernempfänger (21) mit Daten zu versorgen, die den Lokomotivenstatus anzeigen.
  14. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 12, wobei eine der Statusänderungsnachrichten eine Nachricht umfasst, die die Bewegung über eine vorgegebene geografische Grenze anzeigt.
  15. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 7, mit einer Eisenbahnwagen-Batteriesparfunktion zur Reduzierung von Übertragungen des Eisenbahnwagens, wenn der Eisenbahnwagen mit der Lokomotive verbunden ist.
  16. Integriertes Eisenbahnwagen-Tracking-System nach Anspruch 7, mit einer Eisenbahnwagen-Batteriesparfunktion zur Reduzierung von Sendungen des Eisenbahnwagens, wenn der Eisenbahnwagen sich nicht bewegt.
EP05713989A 2004-02-24 2005-02-24 System zum verfolgen von schienenfahrzeugen Not-in-force EP1723021B1 (de)

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EP1723021A1 (de) 2006-11-22
WO2005082696A1 (en) 2005-09-09
BRPI0507219A (pt) 2007-06-19
AU2005217624A1 (en) 2005-09-09
RU2380261C2 (ru) 2010-01-27
US20050205719A1 (en) 2005-09-22
DE602005009335D1 (de) 2008-10-09
CA2556731A1 (en) 2005-09-09
RU2006133914A (ru) 2008-03-27
AU2005217624B2 (en) 2010-11-25

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