| 摘要 |
PROBLEM TO BE SOLVED: To improve control performance or control amenity by correcting an operation signal value to a valve by a prescribed value in an operational situation for transferring to valve operation for reducing a pressure difference after valve operation for increasing the pressure difference on both sides of the valve. SOLUTION: A control unit 10 operates a valve device 48 through an output line 46, and the valve device 48 controls brake pressure in a wheel brake. The valve device 48 contains a pressure control valve, and the pressure control valve is electrically operated to increase or reduce pressure in the wheel brake. A pump 50 is arranged to be operated to form the brake pressure and/or to supply a pressure medium as a function of an operation state through an output line 52 to thereby reduce influence on a coil temperature, control performance of source voltage and control amenity to the minimum.
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