| 摘要 |
A vehicle seat includes a seat movable along a path a motor for driving the seat on the path, a sensor generating a signal indicating movement of the seat on the path, and a controller operating the motor to move said seat along the path. The sensor is preferably a Hall-effect device or a potentiometer. The controller is in communication with the sensor to receive the signal and form a feed-back control loop. The controller accelerates the seat at a controlled rate of acceleration to a controlled constant speed and decelerates the seat from the constant speed at a controlled rate of deceleration. The controller controls the rate of acceleration of the seat at a stored predetermined rate of acceleration by adjusting operation of the motor to maintain the predetermined rate of acceleration. The controller controls the constant speed of the seat by determining an actual speed of the seat utilizing the feedback control loop, comparing the actual speed to a stored predetermined constant speed, and adjusting operation of the motor to maintain the actual speed substantially equal to the predetermined constant speed. The controller controls the rate of deceleration of the seat at a stored predetermined rate of deceleration by adjusting operation of the motor to maintain the predetermined rate of deceleration.
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