Vehicle control and guidance system

Details Vehicle control and guidance system Vehicle control and guidance system

1984-02-29

1988-02-23

Chin, Gary

Boots, shoes, and leggings

364450, 364571, 180169, G06F 1550, G05D 102

Patent

active

047274921

ABSTRACT:
A vehicle control and guidance system in which a desired route for the vehicle is stored in the vehicle in the form of co-ordinates in a ground reference frame. The `vectors` between these junction points are divided by successive reference points into incremental vectors, the reference points being generated ahead of the vehicle at regular intervals. A dead reckoning system predicts the position of the vehicle at the end of each interval and this estimate is corrected, using a Kalman filter, by an independent fixed-target detection system using a scanning laser. The error between the estimated vehicle position and the local incremental vector provides a steering angle correction for the vehicle and the vehicle speed is dependent upon the lag of the vehicle behind the generation of reference points.

REFERENCES:
patent: 3845289 (1974-10-01), French
patent: 4049961 (1977-09-01), Marcy
patent: 4225226 (1980-09-01), Davidson et al.
patent: 4328545 (1982-05-01), Halsall et al.
patent: 4403291 (1983-09-01), Von Tomkewitsch

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