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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0657233 (2015-03-13) |
| 등록번호 | US-9669851 (2017-06-06) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 1 인용 특허 : 315 |
A route examination system and method automatically detect (with an identification unit onboard a vehicle having one or more processors) a location of a break in conductivity of a first route during movement of the vehicle along the first route. The system and method also identify (with the identifi
A route examination system and method automatically detect (with an identification unit onboard a vehicle having one or more processors) a location of a break in conductivity of a first route during movement of the vehicle along the first route. The system and method also identify (with the identification unit) one or more of a location of the vehicle on the first route or the first route from among several different routes based at least in part on the location of the break in the conductivity of the first route that is detected.
1. A method comprising: electrically detecting, with one or more processors disposed onboard a vehicle, plural locations beneath the vehicle of breaks in electrical conductivity in one or more conductive rails of a route during movement of the vehicle along the route; comparing, with the one or more
1. A method comprising: electrically detecting, with one or more processors disposed onboard a vehicle, plural locations beneath the vehicle of breaks in electrical conductivity in one or more conductive rails of a route during movement of the vehicle along the route; comparing, with the one or more processors, the locations of the breaks in the electrical conductivity with designated locations of non-conductive areas in one or more routes, the one or more routes including the route traveled by the vehicle; determining, with the one or more processors, one or more of a location of the vehicle along the route or an identification of the route among the one or more routes based on the comparison of the locations of the breaks with the designated locations of the nonconductive areas; wherein electrically detecting the locations of one or more the breaks in the electrical conductivity in the one or more conductive rails of the route beneath the vehicle includes determining one or more separation distances between successive locations of the breaks in the electrical conductivity in the one or more conductive rails along the route; and controlling the movement of the vehicle responsive to determining the one or more of the location of the vehicle along the route or the identification of the route. 2. The method of claim 1, wherein electrically detecting the locations of the breaks in the electrical conductivity in the one or more conductive rails of the route beneath the vehicle includes electrically detecting locations of two or more insulated joints in the route, the designated locations of the non-conductive areas representing designated locations of the insulated joints in the one or more routes. 3. The method of claim 1, wherein electrically detecting the locations of the breaks in the electrical conductivity in the one or more conductive rails of the route beneath the vehicle includes electrically detecting locations of two or more switches in the route, the designated locations of the non-conductive areas representing designated locations of the switches in the one or more routes. 4. The method of claim 1, wherein electrically detecting the locations of the breaks in the electrical conductivity in the one or more conductive rails of the route beneath the vehicle includes injecting, beneath the vehicle, an electric examination signal into at least one of the one or more conductive rails of the route and monitoring an electrical characteristic of the one or more conductive rails beneath the vehicle responsive to injecting the electric examination signal, the breaks in the electrical conductivity detected based on changes in the electrical characteristic relative to a baseline value of the electrical characteristic. 5. The method of claim 1, wherein comparing the locations of the breaks in the electrical conductivity with the designated locations of the non-conductive areas in the one or more routes includes comparing the one or more separation distances to one or more designated separation distances in the one or more routes, the one or more designated separation distances defined between the designated locations of the non-conductive areas in the one or more routes. 6. The method of claim 1, further comprising electrically injecting an examination signal into a circuit formed by a first set of wheels and axles of the vehicle, a second set of wheels and axles of the vehicle, and a length of the one or more conductive rails of the route that extends from the wheels in the first set that contact the one or more conductive rails to the wheels in the second set that contact the one or more conductive rails, wherein the locations beneath of the vehicle of the breaks in the electrical conductivity are electrically detected within the circuit. 7. The system of claim 1, wherein the one or more routes includes multiple routes and the designated locations of the non-conductive areas in the one or more routes include different sets of designated locations of the non-conductive areas associated with different routes, wherein determining one or more of the location of the vehicle along the route or the identification of the route traveled by the vehicle among the multiple routes includes determining which of the different sets of the designated locations of the non-conductive areas most closely matches the detected locations of the breaks in the electrical conductivity in the one or more conductive rails of the route. 8. The system of claim 1, wherein the designated locations of the non-conductive areas in the one or more routes are stored in a route database onboard the vehicle, the one or more processors configured to access the route database to compare the detected locations of the breaks in the electrical conductivity in the one or more conductive rails of the route to the designated locations of the non-conductive areas. 9. A system comprising: one or more processors disposed onboard a vehicle and configured to electrically detect a plural locations beneath the vehicle of breaks in electrical conductivity in one or more conductive rails of a route from onboard a vehicle during movement of the vehicle along the route, the one or more processors also configured to compare the locations of the breaks in the electrical conductivity with designated locations of nonconductive areas in one or more routes that include the route traveled by the vehicle, the one or more processors configured to determine one or more of a location of the vehicle along the route or an identification of the route among the one or more routes based on the comparison of the locations of the breaks with the designated locations, wherein the one or more processors are configured to electrically detect the locations of the breaks in the electrical conductivity in the one or more conductive rails of the route by determining one or more separation distances between the successive locations of the breaks in the electrical conductivity in the one or more conductive rails along the route, the one or more separation distances representing one or more separation distances between successive non-conductive areas along the route, wherein the one or more processors also are configured to control movement of the vehicle responsive to determining the one or more of the location of the vehicle along the route or the identification of the route. 10. The system of claim 9, wherein the locations of the breaks in the electrical conductivity represent the locations of two or more insulated joints beneath the vehicle in the route, the designated locations of the non-conductive areas representing designated locations of the insulated joints in the one or more routes. 11. The system of claim 9, wherein the locations of the breaks in the electrical conductivity represent the locations of two or more switches beneath the vehicle in the route, the designated locations of the non-conductive areas representing designated locations of the switches in the one or more routes. 12. The system of claim 9, wherein the one or more processors also are configured to control injection, beneath the vehicle, of an electric examination signal into at least one of the one or more conductive rails of the route, the one or more processors also configured to monitor an electrical characteristic of the one or more conductive rails responsive to injecting the electric examination signal, wherein the one or more processors are configured to electrically detect the locations of the breaks in the electrical conductivity based on changes in the electrical characteristic relative to a baseline value of the electrical characteristic. 13. The system of claim 9, wherein the one or more processors are configured to compare the locations of the breaks in the electrical conductivity with the designated locations of the non-conductive areas in the one or more routes by comparing the one or more separation distances to one or more designated separation distances in the one or more routes, the one or more designated separation distances defined between the designated locations of the non-conductive areas in the one or more routes. 14. The system of claim 9, wherein the one or more processors are configured to electrically detect the locations beneath the vehicle of the breaks in the electrical conductivity of the one or more conductive rails inside a circuit formed by a first set of wheels and axles of the vehicle, a second set of wheels and axles of the vehicle, and a length of the one or more conductive rails of the route that extends from the wheels in the first set that contact the one or more conductive rails to the wheels in the second set that contact the one or more conductive rails. 15. A system comprising: one or more processors configured to be disposed onboard a vehicle system and to detect changes in an electrical characteristic of one or more conductive rails in a route being traveled upon by the vehicle system, the changes in the electrical characteristic detected beneath the vehicle during movement of the vehicle system along the route, the one or more processors also configured to determine locations of breaks in electrical conductivity in the route based on the changes in the electrical characteristic that are detected relative to a baseline value of the electrical characteristic, wherein the one or more processors also are configured to compare the locations of the breaks in the electrical conductivity with designated locations of the non-conductive areas in one or more routes stored in a route database to determine one or more of a location of the vehicle system along the route, an identification of the route among the one or more routes, a direction of travel of the vehicle system, or a speed of the vehicle system based at least in part on the changes in the electrical characteristic that are detected, wherein the one or more processors are configured to compare the locations of the breaks in the electrical conductivity with the designated locations of the non-conductive areas stored in the route database by comparing one or more separation distances between successive locations of the breaks with one or more designated separation distance stored in the route database, the one or more designated separation distances defined between the designated locations of the nonconductive areas, wherein the one or more processors are configured to control the movement of the vehicle system responsive to determining the one or more of the location of the vehicle along the route, the identification of the route, the direction of travel of the vehicle system, or the speed of the vehicle system. 16. The system of claim 15, wherein the one or more processors are configured to detect the changes in the electrical characteristic as openings in one or more circuits that are formed at least in part by segments of the one or more conductive rails in the route that are beneath the vehicle system. 17. The system of claim 15, wherein the one or more processors are configured to identify the changes in the electrical characteristic of the one or more conductive rails in the route as locations of insulated joints in the route. 18. The system of claim 17, wherein the one or more processors are configured to determine the one or more of the location of the vehicle system along the route, the identification of the route, the direction of travel of the vehicle system, or the speed of the vehicle system by comparing the locations of the insulated joints with the designated locations of the non-conductive areas stored in the route database. 19. The system of claim 15, wherein the one or more processors are configured to electrically detect the changes in the electrical characteristic within a circuit beneath the vehicle, the circuit formed by a first set of wheels and axles of the vehicle, a second set of wheels and axles of the vehicle, and a length of the one or more conductive rails of the route that extends from the wheels in the first set that contact the one or more conductive rails to the wheels in the second set that contact the one or more conductive rails.
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