A system includes at least one application device, a control unit, at least one detection device, and at least one processor configured to be disposed on-board a vehicle system. The at least one application device is configured to be at least one of conductively or inductively coupled with at least
A system includes at least one application device, a control unit, at least one detection device, and at least one processor configured to be disposed on-board a vehicle system. The at least one application device is configured to be at least one of conductively or inductively coupled with at least one conductive track of a route traveled by the vehicle system. The control unit is configured to control the at least one application device to electrically inject at least one examination signal into the conductive tracks. The at least one detection device is configured to detect the examination signal passing through a test loop. The at least one processor is configured to identify a failure of the vehicle to adequately shunt electrical signals between the conductive tracks based upon the examination signal detected by the at least one detection device.
대표청구항▼
1. A system comprising: at least one application device configured to be disposed on-board a vehicle system having at least one vehicle traveling along a route having first and second conductive tracks, the at least one application device configured to be at least one of conductively or inductively
1. A system comprising: at least one application device configured to be disposed on-board a vehicle system having at least one vehicle traveling along a route having first and second conductive tracks, the at least one application device configured to be at least one of conductively or inductively coupled with at least one of the conductive tracks;a control unit configured to control supply of electric current from a power source to the at least one application device in order to electrically inject at least one examination signal into the conductive tracks via the at least one application device;at least one detection device configured to be disposed on-board the vehicle system, the at least one detection device configured to detect the at least one examination signal passing through a test loop; andat least one processor configured to be disposed on-board the vehicle system, the at least one processor operably coupled to the at least one detection device and configured to identify a failure of the vehicle system to adequately shunt electrical signals between the conductive tracks based upon the at least one examination signal detected by the at least one detection device. 2. The system of claim 1, wherein the at least one processor is configured to identify the failure of the vehicle system to adequately shunt electrical signals based on the detected signal having a signature corresponding to predetermined electrical characteristics of a failure to shunt. 3. The system of claim 1, wherein the at least one processor is configured to identify the failure of the vehicle system to adequately shunt electrical signals based on the detected signal having a signature duration that is longer than a duration of a signature corresponding to at least one of a broken rail or an insulated joint. 4. The system of claim 1, wherein the at least one processor is configured to identify the failure of the vehicle system to adequately shunt electrical signals based on a reception by the at least one detection device of a signal transmitted by an off-board transmitter via the conductive tracks. 5. The system of claim 1, further comprising a communication unit operably coupled to the at least one processor, wherein the communication unit is configured to communicate the identified failure to an off-board entity. 6. The system of claim 5, wherein the communication unit is configured to communicate a status of the identified failure, the status relating to a location of the failure to adequately shunt relative to at least one of a crossing or a signal, wherein a relatively higher status corresponds to a location relatively closer to the at least one of the crossing or the signal, and wherein a relatively lower status corresponds to a location relatively farther from the at least one of the crossing or the signal. 7. The system of claim 1, wherein the at least one processor is operably coupled to a propulsion system of the vehicle system, the at least one processor configured to control the propulsion system of the vehicle system to autonomously perform a mitigation activity based on the identified failure. 8. The system of claim 7, wherein the mitigation activity comprises at least one of stopping or slowing the vehicle system when the vehicle system is within a predetermined range of at least one of a signal or a crossing. 9. The system of claim 1, wherein the examination signal is coupled into the conductive tracks from a location between axles of a powered vehicle of the vehicle system, and wherein the at least one detection device is disposed between the axles of the powered vehicle. 10. A method comprising: electrically injecting, with at least one application unit disposed on-board a vehicle system having at least one vehicle, at least one examination signal into first and second conductive tracks of a route being traveled by the vehicle system;monitoring, via at least one detection device disposed on-board the vehicle system, the at least one examination signal passing through a test loop in response to the at least one examination signal being injected into the conductive tracks; andidentifying a failure of the vehicle system to adequately shunt electrical signals between the conductive tracks based upon the monitored at least one examination signal. 11. The method of claim 10, wherein identifying the failure of the vehicle system to adequately shunt electrical signals comprises determining if a signature of the monitored at least one examination signal corresponds to a predetermined signature corresponding to a failure to shunt. 12. The method of claim 10, wherein identifying the failure of the vehicle system to adequately shunt electrical signals comprises determining if a signature of the monitored at least one examination signal has a signature duration that is longer than a duration of a signature corresponding to at least one of a broken rail or an insulated joint. 13. The method of claim 10, wherein identifying the failure of the vehicle system to adequately shunt electrical signals comprises determining if a signal transmitted by an off-board transmitter via the conductive tracks has been received by the at least one detection device. 14. The method of claim 10, further comprising communicating the identified failure to an off-board entity. 15. The method of claim 10, further comprising communicating a status of the identified failure, the status relating to a location of the identified failure relative to at least one of a crossing or a signal. 16. The method of claim 10, further comprising performing a mitigation activity responsive to the identified failure. 17. The method of claim 16, wherein the mitigation activity is autonomously performed responsive to the identified failure. 18. The method of claim 17, wherein the autonomously performed mitigation activity comprises at least one of stopping or slowing the vehicle system when the vehicle system is within a predetermined range of at least one of a signal or a crossing. 19. A system comprising: a non-transitory memory configured to store electronic signatures including at least one signature representative of a failure to shunt; andat least one processor programmed to operate, in response to instructions stored on the non-transitory memory, to: electrically inject, via at least one application unit disposed on-board a vehicle system having at least one vehicle, at least one examination signal into first and second conductive tracks of a route being traveled by the vehicle system;monitor, via at least one detection unit disposed on-board the vehicle system, the at least one examination signal passing through a test loop in response to the at least one examination signal being injected into the conductive tracks; andidentify a failure of the vehicle system to adequately shunt electrical signals between the conductive tracks based upon correspondence of the monitored at least one examination signal to the at least one signature representative of the failure to shunt. 20. The system of claim 19, wherein the at least one processor is programmed to determine if a signature of the monitored at least one examination signal has a signature duration that is longer than a duration of a signature corresponding to at least one of a broken rail or an insulated joint, and to identify the failure to shunt if the signature duration of the monitored examination signal is longer than the duration of the signature corresponding to the at least one of the broken rail or the insulated joint. 21. The system of claim 19, wherein the at least one processor is programmed to autonomously perform a mitigation activity responsive to the identified failure.
Davenport, David Michael; Van Stralen, Nick Andrew; Batzinger, Thomas James; Gilmore, Robert Snee; Houpt, Paul Kenneth, Rail and train monitoring system and method.
Even Andr (Coignieres FRX) Fortier Christian (Egly FRX) Guillard Michel G. (Villejuif FRX) Hedoin Dominique (Sceaux FRX) Le Guen Serge (Verrieres le Buisson FRX) Raucourt Dominique (Longpont sur Orge, Railway track circuit.
Polivka, Alan Lee; Malone, Jr., Jerome J.; Smith, Brian Eric; Renfrow, Steven Mark, System and method for detecting broken rail and occupied track from a railway vehicle.
Van Der Hoek Marinus J. (Vlaardingen NLX) Moor Adolf H. K. (Alkmaar NLX) Bruinsma Anastasius J. A. (Delft NLX) Roos Jaap (Pijnacker NLX) Buisman Jacobus C. (Alkmaar NLX), System for detecting trains.
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