IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0641799
(2009-12-18)
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등록번호 |
US-8340936
(2012-12-25)
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발명자
/ 주소 |
- Brauer, Timothy G.
- Pruszynski, Charles J.
- Svane, Mark S.
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출원인 / 주소 |
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대리인 / 주소 |
Schwegman Lundberg & Woessner, P.A.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
10 |
초록
▼
A system target location includes one or more sensors operable to determine a location of a target and generate a set of coordinates corresponding to the target. The system further includes a system controller operable to receive one or more sets of coordinates from the one or more sensors, generate
A system target location includes one or more sensors operable to determine a location of a target and generate a set of coordinates corresponding to the target. The system further includes a system controller operable to receive one or more sets of coordinates from the one or more sensors, generate a combined estimate of the target location, and validate that each of the sets of coordinates correspond to the same target.
대표청구항
▼
1. A target location system comprising: a first sensor operable to: determine a first estimated target location of a target; andgenerate a first set of coordinates corresponding to the first estimated target location;a second sensor operable to: determine a second estimated target location of the ta
1. A target location system comprising: a first sensor operable to: determine a first estimated target location of a target; andgenerate a first set of coordinates corresponding to the first estimated target location;a second sensor operable to: determine a second estimated target location of the target; andgenerate a second set of coordinates corresponding to the second estimated target location; anda system controller operable to: receive the first set of coordinates from the first sensor;receive the second set of coordinates from the second sensor;generate a combined estimated target location, based on the first set of coordinates and the second set of coordinates;compare the first set of coordinates to the combined estimated target location; andcompare the second set of coordinates to the combined estimated target location to validate that each of the first set of coordinates and the second set of coordinates correspond to the same target. 2. The target location system of claim 1, wherein the first sensor is operable to determine the first estimated target location by: determining a location of the first sensor;determining a distance from the first sensor to the target;determining an azimuth angle to the target relative to the first sensor; anddetermining the first estimated target location based, at least in part, on the location of the first sensor, the distance from the first sensor to the target, and the azimuth angle to the target relative to the first sensor. 3. The target location system of claim 2, wherein: the first sensor is further operable to determine an elevation of the target; andthe first sensor is operable to determine the first estimated target location based at least in part on the elevation of the target. 4. The target location system of claim 1, wherein the system controller is operable to generate a combined estimated target location by combining the first set of coordinates and the second set of coordinates using a Kalman filter. 5. The target location system of claim 1, wherein the system controller is operable to: compare the first set of coordinates to the combined estimated target location by applying a chi-square test to the combined estimated target location and the first set of coordinates; andcompare the second set of coordinates to the combined estimated target location by applying a chi-square test to the combined estimated target location and the second set of coordinates. 6. A method of locating targets, comprising: determining a first estimated target location of a target;generating a first set of coordinates corresponding to the first estimated target location;determining a second estimated target location of the target:generating a second set of coordinates corrersponding to the second estimated target location;generating, at a system controller, a combined estimated target location based on the first set of coordinates and the second set of coordinates;comparing the first set of coordinates to the combined estimated target location; andcomparing the second set of coordinates to the combined estimated target location to validate, at the system controller that each of the first set of coordinates and the second set of coordinates correspond to the same target. 7. The method of claim 6, wherein determining the first estimated target location of the target comprises: determining a location of a sensor;determining a distance from the sensor to the target;determining an azimuth angle to the target relative to the sensor; anddetermining the first estimated target location based, at least in part, on the location of the sensor, the distance from the sensor to the target, and the azimuth angle to the target relative to the sensor. 8. The method of claim 7, further comprising determining an elevation of the target, and wherein determining the first estimated target location further comprises determining the first estimated target location based at least in part on the elevation of the target. 9. The method of claim 6, wherein generating a combined estimated target location comprises combining the first set of coordinates and the second set of coordinates using a Kalman filter. 10. The method of claim 6, wherein: comparing the first set of coordinates to the combined estimated target location comprises applying a chi-square test to the combined estimated target location and the first set of coordinates; andcomparing the second set of coordinates to the combined estimated target location comprises applying a chi-square test to the combined estimated target location and the second set of coordinates. 11. A target location system comprising: a sensor operable to: determine, from a first position, a first estimated target location of a target;determine, from a second position, a second estimated target location of the target;generate a first set of coordinates based on the first estimated target location; andgenerate a second set of coordinates based on the second estimated target location; anda system controller operable to: receive, from the sensor, the first set of coordinates and the second set of coordinates;generate a combined estimated target location, based on the first set of coordinates and the second set of coordinates;compare the first set of coordinates to the combined estimated target location; andcompare the second set of coordinates to the combined estimated target location to validate that each of the first set of coordinates and the second set of coordinates correspond to the same target. 12. The target location system of claim 11, wherein the sensor is operable to determine, from the first position, the first estimated target location of the target by: determining a location of the sensor while at the first position;determining a distance from the sensor to the target;determining an azimuth angle to the target relative to the sensor;determining the first estimated target location based, at least in part, on the location of the sensor while at the first point, the distance from the sensor to the target, and the azimuth angle to the target relative to the sensor. 13. The target location system of claim 12, wherein: the sensor is further operable to determine an elevation of the target; andthe sensor is operable to determine the first estimated target location based at least in part on the elevation of the target. 14. The target location system of claim 11, wherein the system controller is operable to generate a combined estimated target location by combining the first set of coordinates and the second set of coordinates using a Kalman filter. 15. The target location system of claim 11, wherein the system controller is operable to: compare the first set of coordinates to the combined estimated target location by applying a chi-square test to the combined estimated target location and the first set of coordinates; andcompare the second set of coordinates to the combined estimated target location by applying a chi-square test to the combined estimated target location and the second set of coordinates. 16. A system comprising: a first sensor operable to: determine a first estimated target location of a target; andgenerate a first set of coordinates corresponding to the first estimated target location;a second sensor operable to: determine a second estimated target location of the target; andgenerate a second set of coordinates corresponding to the second estimated target location; andlogic encoded on a tangible computer-readable storage medium, the logic operable, when executed on a processor, to:receive, from the first sensor, the first set of coordinates;receive, from the second sensor, the second set of coordinates;generate, at a system controller, a combined estimated target location based on the first set of coordinates and the second set of coordinates;compare the first set of coordinates to the combined estimated target location; andcompare the second set of coordinates to the combined estimated target location to validate that each of the first set of coordinates and the second set of coordinates correspond to the same target. 17. The system of claim 16, wherein the first sensor is operable to: determine a location of the first sensor;determine a distance to the target from the first sensor;determine an azimuth angle to the target relative to the first sensor;determine the first estimated target location of the target based, at least in part, on the location of the first sensor, the distance to the target from the first sensor, and the azimuth angle to the target relative to the first sensor. 18. The system of claim 17, wherein: the first sensor is further operable to determine an elevation of the target; andthe first sensor is further operable to determine the first estimated target location, based at least in part, on the elevation of the target. 19. The system of claim 16, wherein the logic is operable to generate a combined estimated target location by combining the first set of coordinates and the second set of coordinates using a Kalman filter. 20. The system of claim 16, wherein the logic is operable to: compare the first set of coordinates to the combined estimated target location by applying a chi-square test to the combined estimated target location and the first set of coordinates; andcompare the second set of coordinates to the combined estimated target location by applying a chi-square test to the combined estimated target location and the second set of coordinates.
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