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    • 2. 发明申请
    • VEHICLE BRAKE DEVICE
    • 车辆制动装置
    • WO2012114893A3
    • 2012-11-08
    • PCT/JP2012053029
    • 2012-02-03
    • TOYOTA MOTOR CO LTDWATANABE YOSHINORIMATSUBAYASHI HIROYUKIKATO HIDEHISA
    • WATANABE YOSHINORIMATSUBAYASHI HIROYUKIKATO HIDEHISA
    • B60T8/17B60T8/171B60T8/172B60T8/88B60T13/46B60T13/64B60T13/66B60T13/74B60T17/22
    • B60T17/221B60T8/885B60T13/662B60T17/22B60T2250/06
    • To provide a vehicle brake device capable of appropriately updating the zero-point correction value of a pressure sensor for detecting a master cylinder pressure. In a vehicle brake device 20 having a hydraulic pressure sensor 40 for detecting an output value corresponding to the pressure of a fluid pressure adjusted by a master cylinder 23 and a master cylinder pressure calculating unit 52 for storing the output value of the hydraulic pressure sensor 40 at which the pressure of the master cylinder 23 becomes 0 as a zero-point correction value and calculating a master cylinder pressure by correcting the output value of the hydraulic pressure sensor 40 based on the zero-point correction value, the vehicle brake device 20 has a zero-point correction value updating unit 54 for setting, when the output value detected by the hydraulic pressure sensor 40 is smaller than the zero-point correction value stored in the master cylinder pressure calculating unit 52, the output value as a new zero-point correction value and updating the zero-point correction value.
    • 提供能适当地更新用于检测主缸压力的压力传感器的零点校正值的车辆制动装置。 在具有用于检测对应于由主缸23调节的流体压力的压力的输出值的液压传感器40的车辆制动装置20和用于存储液压传感器40的输出值的主缸压力计算单元52 主缸23的压力作为零点校正值为0,并且通过基于零点校正值校正液压传感器40的输出值来计算主缸压力,车辆制动装置20具有 零点校正值更新单元54,用于当由液压传感器40检测到的输出值小于存储在主缸压力计算单元52中的零点校正值时,将输出值设置为新的零点校正值, 点校正值和更新零点校正值。