Vehicle steering control apparatus

Details Vehicle steering control apparatus Vehicle steering control apparatus

1991-11-12

1992-10-13

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Vehicular guidance systems with single axis control

36442402, 180168, G05D 102, B62D 102

Patent

active

051554267

ABSTRACT:
To smoothly switching the steering direction of the vehicle automatically driven along a road, leftward and rightward steering angles (.theta..sub.L, .theta..sub.R) are obtained on the basis of leftward and rightward white lines and by means of leftward and rightward cameras (7, 8) and image processors (9, 10) and a calculator (12), respectively. The obtained leftward and rightward steering angles are compared by a switching section (3). The steering angle output (.theta..sub.out) is switched to the leftward or rightward steering angle (.theta..sub.L, .theta..sub.R) only when both steering angles first roughly match each other, after the steering angle direction signal has been inputted to the switching section from another travel control unit.

REFERENCES:
patent: 3708668 (1973-01-01), Tilley
patent: 4003445 (1977-01-01), De Bruine
patent: 4278142 (1981-07-01), Kono
patent: 4307791 (1981-12-01), De Bruine
patent: 4530056 (1985-07-01), MacKinnon et al.
patent: 4996468 (1991-02-01), Field et al.
patent: 5032994 (1991-07-01), Wellman

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