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    • 5. 发明授权
    • Hydraulic-pressure control apparatus and operation-characteristic obtaining apparatus
    • 液压控制装置和操作特性取得装置
    • US07481500B2
    • 2009-01-27
    • US11322562
    • 2006-01-03
    • Tetsuya MiyazakiMasaaki KomazawaYoshito Tanaka
    • Tetsuya MiyazakiMasaaki KomazawaYoshito Tanaka
    • B60T8/88
    • B60T8/4081B60T8/367B60T8/90
    • An operation-characteristic obtaining apparatus including an operation-characteristic obtaining portion which obtains, as an operation characteristic of an electromagnetic control valve which includes a coil and which is opened and closed according to at least a relationship between (a) an acting force corresponding to a difference of respective pressures of a working liquid on either side of the electromagnetic control valve and (b) an electromagnetic drive force corresponding to an electric current supplied to the coil, a relationship between (c) a valve switching current as an electric current that is supplied to the coil of the electromagnetic control valve at a time when the electromagnetic control valve is switched between a closed state thereof and an opened state thereof and (d) a difference at the time of the respective pressures on either side of the electromagnetic control valve; and a leakage detecting portion which detects, when the operation-characteristic obtaining portion obtains the operation characteristic of the electromagnetic control valve, whether the electromagnetic control valve has a leakage of the working liquid.
    • 一种操作特性获取装置,包括操作特性获取部分,其获得包括线圈的电磁控制阀的操作特性,所述电磁控制阀至少根据以下的关系而被打开和关闭:(a) 电磁控制阀的任一侧上的工作液体的压力差和(b)与供给线圈的电流对应的电磁驱动力的关系,(c)作为电流的阀开关电流之间的关系, 在电磁控制阀在其关闭状态和打开状态之间切换时提供给电磁控制阀的线圈,以及(d)电磁控制两侧各压力时的差值 阀; 以及泄漏检测部,其在所述操作特性获取部获得所述电磁控制阀的动作特性时,检测所述电磁控制阀是否具有所述工作液体的泄漏。
    • 7. 发明授权
    • Brake control apparatus
    • 制动控制装置
    • US08042887B2
    • 2011-10-25
    • US11836948
    • 2007-08-10
    • Takayuki YamamotoMasaaki KomazawaYasushi Hanaki
    • Takayuki YamamotoMasaaki KomazawaYasushi Hanaki
    • B60T8/60
    • B60T8/4081B60T7/042B60T8/885B60T13/686B60T13/745B60T2270/402B60T2270/413B60T2270/416
    • A brake control apparatus for controlling brakes of a vehicle having wheels, the apparatus including a stopped-state detecting portion which detects, based on a speed of at least one of the wheels detected by at least one wheel-speed sensor, a stopped state of the vehicle; an operation-force limiting portion which limits, based on a detection of the stopped state of the vehicle by the stopped-state detecting portion, an operation force of at least one of the brakes, such that an upper limit of the operation force is an intermediate level of an operation-force range used when the stopped state is not detected; a sensor ignoring portion which ignores, when an electric voltage supplied from a power source to the at least one wheel-speed sensor is not higher than a reference value, the at least one wheel-speed sensor; a limitation canceling portion which cancels, when the sensor ignoring portion ignores the at least one wheel-speed sensor, a limitation of the operation force by the operation-force limiting portion; and a rapid-change restraining portion which restrains a rapid change of the operation force caused by a cancellation of the limitation of the operation force by the limitation canceling portion.
    • 一种用于控制具有车轮的车辆的制动器的制动控制装置,该装置包括停止状态检测部分,其基于由至少一个车轮速度传感器检测到的至少一个车轮的速度来检测停止状态, 机动车; 操作力限制部,其基于所述停止状态检测部对车辆的停止状态的检测来限制至少一个所述制动器的操作力,使得所述操作力的上限为 当未检测到停止状态时使用的操作力范围的中间水平; 当从电源向所述至少一个车轮速度传感器提供的电压不高于参考值时,所述传感器忽略部分忽略所述至少一个车轮速度传感器; 限制取消部,当所述传感器忽视部忽略所述至少一个车轮速度传感器时,限制所述操作力限制部的操作力; 以及快速变化抑制部,其抑制由限制取消部的操作力的限制的抵消引起的操作力的快速变化。
    • 8. 发明申请
    • BRAKE CONTROL APPARATUS
    • 制动控制装置
    • US20080036294A1
    • 2008-02-14
    • US11836948
    • 2007-08-10
    • Takayuki YAMAMOTOMasaaki KomazawaYasushi Hanaki
    • Takayuki YAMAMOTOMasaaki KomazawaYasushi Hanaki
    • B60T8/40G06F17/00
    • B60T8/4081B60T7/042B60T8/885B60T13/686B60T13/745B60T2270/402B60T2270/413B60T2270/416
    • A brake control apparatus for controlling brakes of a vehicle having wheels, the apparatus including a stopped-state detecting portion which detects, based on a speed of at least one of the wheels detected by at least one wheel-speed sensor, a stopped state of the vehicle; an operation-force limiting portion which limits, based on a detection of the stopped state of the vehicle by the stopped-state detecting portion, an operation force of at least one of the brakes, such that an upper limit of the operation force is an intermediate level of an operation-force range used when the stopped state is not detected; a sensor ignoring portion which ignores, when an electric voltage supplied from a power source to the at least one wheel-speed sensor is not higher than a reference value, the at least one wheel-speed sensor; a limitation canceling portion which cancels, when the sensor ignoring portion ignores the at least one wheel-speed sensor, a limitation of the operation force by the operation-force limiting portion; and a rapid-change restraining portion which restrains a rapid change of the operation force caused by a cancellation of the limitation of the operation force by the limitation canceling portion.
    • 一种用于控制具有车轮的车辆的制动器的制动控制装置,该装置包括停止状态检测部分,其基于由至少一个车轮速度传感器检测到的至少一个车轮的速度来检测停止状态, 机动车; 操作力限制部,其基于所述停止状态检测部对车辆的停止状态的检测来限制至少一个所述制动器的操作力,使得所述操作力的上限为 当未检测到停止状态时使用的操作力范围的中间水平; 当从电源向所述至少一个车轮速度传感器提供的电压不高于参考值时,所述传感器忽略部分忽略所述至少一个车轮速度传感器; 限制取消部,当所述传感器忽视部忽略所述至少一个车轮速度传感器时,限制所述操作力限制部的操作力; 以及快速变化抑制部,其抑制由限制取消部的操作力的限制的抵消引起的操作力的快速变化。