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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0722661 (1991-06-28) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 386 인용 특허 : 0 |
An automatic vehicle steering system is provided for automatically steering a vehicle along a lane in a road. A video sensor is included for generating a plurality of frames of video images of the road. A computer processor analyzes the frames to determine the lane boundaries of the road and the pos
An automatic vehicle steering system is provided for automatically steering a vehicle along a lane in a road. A video sensor is included for generating a plurality of frames of video images of the road. A computer processor analyzes the frames to determine the lane boundaries of the road and the position of the vehicle. The system advantageously utilizes engagement of a cruise control switch and a steering control switch to initiate processing of the image data and automatic steering of the vehicle. In such manner, the reliability and efficiency of the system is increased while at the same time minimizing complexity and cost.
A system for automatically steering a vehicle along a lane in a road, said system comprising: sensor means mounted to the vehicle for generating position information about the road in front of the vehicle; cruise control means for controlling the speed of the vehicle, the cruise control means includ
A system for automatically steering a vehicle along a lane in a road, said system comprising: sensor means mounted to the vehicle for generating position information about the road in front of the vehicle; cruise control means for controlling the speed of the vehicle, the cruise control means including a switch for initiating automatic speed control; processor means, coupled to the sensor means and also to the cruise control switch, for analyzing the information from the sensor means; the processor beginning the analysis of the information when the cruise control switch is engaged; and steering control means for automatically controlling the steering of the vehicle to maintain the vehicle within the lane in the road as a function of the analysis by the processor. The system of claim 1 wherein: said sensor means comprises detector means for generating the position information including distance and orientation of the vehicle relative to the lane on the road; said processor means comprising position information processing means for determining vehicle trajectory and contour of the lane in the vicinity of the vehicle; and wherein the cruise control switch is engaged manually by the driver.
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