Speed control system with adaptive gain control during a speed a

Details Speed control system with adaptive gain control during a speed a Speed control system with adaptive gain control during a speed a

1991-08-09

1993-11-09

Chin, Gary

Boots, shoes, and leggings

123352, 180179, B60K 3100

Patent

active

052608760

ABSTRACT:
A speed control system controls the engine throttle to maintain vehicle speed at a desired speed and increments the desired speed to a previous reference speed during resume mode of operation or other speed alteration mode of operation. A control signal is generated which is related to both the difference between actual vehicle speed and desired speed. The control signal is multiplied by a gain value generated with a first amplitude when the vehicle speed is within a preselected range from the reference speed, a second amplitude when the vehicle speed is within the preselected range, and a third amplitude when the vehicle speed is greater than a desired speed. An actuator controls the engine throttle in response to the product of the error signal times the gain value for asymptotically approaching the previous reference speed.

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