Importance

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Abstract

A constant-speed cruising control system for vehicles comprises a car-speed sensor, a command switch group, a car-speed memory, an actuator for driving a throttle, and a control mechanism which has a cruising control function, a resuming control function after cancelling the cruising control and controls the vehicle speed so as to coincide with a reset cruising speed stored in reponse to a reset operation during the resuming control by driving the throttle in the decelerative direction of the vehicle for the time given by subtracting set initialize time from the sum total of time the throttle is controlled in the accelerative direction of the vehicle during the time from the operation of the resume switch till the reset operation. It is possible to solve the undershooting of the vehicle speed at the transitional time from the acceleration state to the cruising state at the constant-speed.

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First Claim