IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0205086
(2008-09-05)
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등록번호 |
US-8165796
(2012-04-24)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Michael Best & Friedrich LLP
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
6 |
초록
▼
Systems and methods for avoiding a collision. A first sensor is located, for example, in a front portion of a vehicle and is configured to monitor a first area. A second sensor is located, for example, in a top portion of the vehicle and is configured to execute a 360-degree sweep of the area surrou
Systems and methods for avoiding a collision. A first sensor is located, for example, in a front portion of a vehicle and is configured to monitor a first area. A second sensor is located, for example, in a top portion of the vehicle and is configured to execute a 360-degree sweep of the area surrounding the vehicle. In a first position, the second sensor is retracted below an outer surface of the vehicle. In a second position, the second sensor is protracted above the outer surface of the vehicle. A controller is configured to detect a critical situation using the first sensor, detect zero or more additional critical situations using the second sensor, and initiate an evasive driving maneuver to avoid each of the critical situations.
대표청구항
▼
1. A collision avoidance system comprising: a first sensor configured to be coupled to a vehicle at a first location and monitor a first area;a second sensor configured to be coupled to the vehicle at a second location and to monitor a second area through 360 degrees, where the second location is ei
1. A collision avoidance system comprising: a first sensor configured to be coupled to a vehicle at a first location and monitor a first area;a second sensor configured to be coupled to the vehicle at a second location and to monitor a second area through 360 degrees, where the second location is either on a top portion or a bottom portion of the vehicle;wherein the second sensor is configured to be movable along and rotatable about a vertical axis with respect to the vehicle; anda controller configured to be coupled to the first and second sensors, detect a primary critical situation using the first sensor, generate a signal to move the second sensor from a first retracted position to a second protracted position only if a primary critical situation is detected, generate a control signal to cause the second sensor to sweep an area surrounding the vehicle through 360 degrees, identify zero or more secondary critical situations, determine if the primary critical situation remains, and initiate an evasive driving maneuver. 2. The system of claim 1, wherein the sweep of the area surrounding the vehicle is a radial sweep. 3. The system of claim 1, wherein the second sensor is protracted from the first retracted position to the second protracted position. 4. The system of claim 1, wherein the second sensor is a light detection and ranging sensor. 5. The system of claim 1, wherein the first area is in front of the vehicle. 6. The system of claim 1, wherein the first area is behind the vehicle. 7. The system of claim 1, wherein the evasive driving maneuver is a braking maneuver. 8. The system of claim 1, wherein the evasive driving maneuver is a steering maneuver. 9. The system of claim 1, wherein the evasive driving maneuver is an acceleration maneuver. 10. The system of claim 1, wherein the second sensor is positioned below an outer surface of the vehicle when in the first retracted position. 11. The system of claim 1, wherein the second sensor is positioned above an outer surface of the vehicle when in the second protracted position. 12. The system of claim 1, wherein the controller is further configured to generate a signal to warn an operator about the primary critical situation. 13. A method of avoiding a vehicle collision, the method comprising: coupling a controller to a first sensor and a second sensor, the second sensor movable along and rotatable about a vertical axis with respect to the vehicle;monitoring a first area with the first sensor;identifying, with the controller, a primary critical situation using the first sensor;moving, with respect to a vehicle, the second sensor from a first retracted position to a second protracted position only if a primary critical situation is identified;monitoring a second area through 360 degrees using the second sensor;identifying, with the controller, zero or more secondary critical situations using the second sensor;determining if the primary critical situation remains; andinitiating an evasive driving maneuver. 14. The method of claim 13, wherein monitoring the second area includes executing a radial sweep of the second area. 15. The method of claim 13, wherein moving the second sensor from the first retracted position to the second protracted position includes protracting the second sensor from the first retracted position to the protracted second position. 16. The method of claim 13, wherein coupling the controller to the second sensor includes coupling the controller to a light detection and ranging sensor. 17. The method of claim 13, wherein monitoring the first area with the first sensor includes monitoring an area in front of the vehicle. 18. The method of claim 13, wherein monitoring the first area with the first sensor includes monitoring an area behind the vehicle. 19. The method of claim 13, wherein initiating the evasive driving maneuver includes initiating a braking maneuver. 20. The method of claim 13, wherein initiating the evasive driving maneuver includes initiating a steering maneuver. 21. The method of claim 13, wherein initiating the evasive driving maneuver includes initiating an acceleration maneuver. 22. The method of claim 13, wherein moving the second sensor from the first retracted position includes moving the second sensor from a position below an outer surface of the vehicle. 23. The method of claim 13, wherein moving the second sensor to the second protracted position includes moving the second sensor to a position above an outer surface of the vehicle. 24. The method of claim 13, further comprising warning an operator about the primary critical situation.
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