| 摘要 |
PURPOSE:To suppress the discomfortable feeling due to the swing back in the case when a car stops, by installing a hydraulic brake system, car speed detection means, increased brake pedal stepping-in detecting means, decompression pattern changing means, and a decompression control means onto a brake device for vehicle. CONSTITUTION:A hydraulic brake system for controlling the revolution of wheels according to the stepping-in of a brake pedal is provided, and a decompression control means which lowers the hydraulic pressure in the hydraulic brake system in exponential function form according to the previously set decompression pattern and reduces the deceleration speed to zero simultaneously with the reduction of car speed to zero is provided. Further, in a brake device, the increased stepping-in is detected by an increased brake pedal stepping-in detecting means, when the brake pedal is stepped in furthermore during the control by a decompression control means. The decompression pattern is changed to the more sharp decompression pattern on the basis of the detection by the increased stepping-in detecting means.
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