Attitude controlling system for a steering wheel

Details Attitude controlling system for a steering wheel Attitude controlling system for a steering wheel

1985-09-10

1987-04-28

Shoop, Jr., William M.

Electricity: motive power systems

Limitation of motor load, current, torque or force

307 10R, 364424, H02P 700

Patent

active

046617523

ABSTRACT:
A safety system in an apparatus for adjusting attitudes of a tilt mechanism and a telescopic mechanism of a steering wheel by means of an electric motor. A change speed of attitude is monitored and, when the monitored result becomes less than a predetermined value, this is judged as the presence of overload, whereupon the direction of driving of the electric motor is reversed. When a time of the reverse operation or the number of strokes during the reverse operation reaches a predetermined value, the electric motor is set to stop. Attitude information is sampled with intervals of a predetermined time and, when a change amount of the attitude information is less than a predetermined value, this is judged as the presence of overload.

REFERENCES:
patent: 4272708 (1981-06-01), Carle et al.
patent: 4503504 (1985-03-01), Suzumura et al.
patent: 4578592 (1986-03-01), Nakazawa et al.

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