Power steering apparatus and control system for power steering a

Details Power steering apparatus and control system for power steering a Power steering apparatus and control system for power steering a

1987-01-07

1989-02-07

Lall, Parshotam S.

Boots, shoes, and leggings

180142, 180 791, B62D 5006

Patent

active

048036293

ABSTRACT:
A control system for a power steering apparatus having a steering wheel angle detection device comprising a steering angle sensor for generating reference pulses at a plurality of steering wheel angle positions, including a neutral position of a steering wheel, and generating angle pulses as the steering wheel is rotated, an up/down counter for counting up or down the angle pulses supplied from the steering angle sensor depending on the direction of rotation of the steering wheel, and a vehicle velocity sensor for detecting the vehicle velocity. When the vehicle velocity detected by the vehicle velocity sensor is higher than a predetermined velocity and a reference pulse is detected by the steering angle sensor which is determined to be a steering wheel straight ahead position then the up/down counter is reset to zero.

REFERENCES:
patent: 4476529 (1984-10-01), Nakamura et al.
patent: 4572316 (1986-02-01), Kanazawa et al.
patent: 4602695 (1986-07-01), Takeshima et al.
patent: 4645025 (1987-02-01), Ohe et al.
patent: 4674587 (1987-06-01), Suzuki et al.
patent: 4691796 (1987-09-01), Tanooka et al.

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