Automobile speed control system

Details Automobile speed control system Automobile speed control system

1985-10-04

1987-11-17

Lall, Parshotam S.

Boots, shoes, and leggings

123352, 123492, 180176, B60K 3100

Patent

active

047077921

ABSTRACT:
An automobile speed control system wherein a speed deviation between a desired speed as set by the driver of the vehicle and the current running speed is corrected by changing the pulse width of a pulse signal applied to a throttle valve of an engine through an actuator for driving the throttle valve. The pulse width is calculated in a control circuit every predetermined time interval by using the speed deviation, the acceleration of the speed, the rate of change of the acceleration, and control parameters as proportional coefficient for the acceleration. The control parameters are selected according to the relationship between the acceleration and the rate of change of the acceleration.

REFERENCES:
patent: 3556245 (1971-01-01), Radin
patent: 4598370 (1986-07-01), Nakajima et al.
patent: 4620519 (1986-11-01), Nagao et al.

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