Vehicle power door speed control

Details Vehicle power door speed control Vehicle power door speed control

1993-05-20

1994-09-27

Ip, Paul

Electricity: motive power systems

Constant motor current, load and/or torque control

318282, 318266, 318466, 318286, G05B 501

Patent

active

053509862

ABSTRACT:
A motor is controlled to regulate the speed of a vehicle sliding door whose movement and speed are monitored. The motor control voltage is incrementally adjusted in direction to reduce a sensed speed error only if the door has moved a required distance while the door speed has been continuously outside of the desired speed range since the last incremental adjustment to the control voltage.

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