| 摘要 |
A speed control apparatus for a vehicle performs cruise control at high vehicle speeds, creep control at low vehicle speeds, and wheel slip suppression at high and low vehicle speeds by controlling the degree of opening of the throttle valve of the vehicle. During creep control, a control unit controls the degree of opening of the throttle valve in accordance with the vehicle speed and the amount of depression of the brake pedal by the driver. When the brake pedal is not depressed, the control unit controls the throttle valve so that the vehicle runs at a predetermined creep speed. When the brake pedal is depressed, the brakes are applied and the control unit decreases the opening of the throttle valve. When a wheel slip sensor detects slipping of the wheels, the control unit decreases the throttle valve opening until slipping is no longer detected.
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