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    • 1. 发明授权
    • Braking force control system of vehicle
    • 车辆制动力控制系统
    • US5474369A
    • 1995-12-12
    • US179723
    • 1994-01-11
    • Hiromi InagakiWataru SaitoKazuya SakuraiYoshimichi KawamotoShinji Suto
    • Hiromi InagakiWataru SaitoKazuya SakuraiYoshimichi KawamotoShinji Suto
    • B60T8/1755B60T8/32B60T8/36B60T8/62B60T8/64
    • B60T8/326B60T8/1755B60T8/3665B60T2220/04
    • A braking force control system of a vehicle, capable of independently controlling at least braking forces of front wheel brakes, a braking force of a left rear wheel brake and a braking force of a right rear wheel brake. The braking force control system includes front wheel-side controls for controlling the braking forces of the front wheel brakes on the basis of a quantity of operation of a brake operating member and a deceleration of the vehicle, and rear wheel-side controls for independently controlling the braking forces of the left rear wheel brake and the right rear wheel brake on the basis of a turning level of the vehicle. Thus, it is possible to provide a sufficient braking force, while stabilizing the behavior of the vehicle, during braking in a turning state of the vehicle, by conducting a control of deceleration for the front wheels increased in load during braking, and by conducting a control of turning for the rear wheels largely contributing to the control of turning.
    • 一种能够独立地控制前轮制动器的制动力,左后轮制动器的制动力和右后轮制动器的制动力的车辆的制动力控制系统。 制动力控制系统包括根据制动操作构件的操作量和车辆的减速度来控制前轮制动器的制动力的前轮侧控制装置和用于独立控制的后轮侧控制装置 基于车辆的转弯水平,左后轮制动器和右后轮制动器的制动力。 因此,通过在制动期间对前轮增加的负载进行减速控制,能够在车辆的转弯状态下的制动期间稳定车辆的行为,并且通过进行 后轮的转向控制大大有助于车削的控制。
    • 2. 发明授权
    • Brake System for vehicle
    • 车辆制动系统
    • US5613740A
    • 1997-03-25
    • US307228
    • 1994-09-16
    • Yoshimichi KawamotoHiromi InagakiKazuya SakuraiShinji Suto
    • Yoshimichi KawamotoHiromi InagakiKazuya SakuraiShinji Suto
    • B60T8/00B60T8/32B60T8/36B60T8/40B60T8/48B60T13/14B60T13/66B60T13/68B60T17/18B60T17/22B60T13/16
    • B60T8/4081B60T13/14B60T13/662B60T13/686B60T17/221B60T8/3665B60T8/4827
    • A brake system for a vehicle includes a master cylinder for outputting a liquid pressure corresponding to a braking operation quantity, an electric actuator capable of outputting the liquid pressure corresponding to the braking operation quantity, and a switch-over valve capable of switching the connection and disconnection between the master cylinder and wheel brake. The electric actuator is connected to the wheel brake to block the back flow of a working liquid from the wheel brake. Braking pressure applied to the wheel brake is detected by pressure detector. When a difference between the detected braking pressure and a target braking pressure corresponding to the braking operation quantity exceeds a predetermined range, an output liquid pressure from the master cylinder is applied to the wheel brake. Thus, even if a trouble is produced in the electric actuator, itself, or a drive circuit for driving the electric actuators, the braking pressure for the wheel brake is prevented from being reduced undesirably.
    • 一种用于车辆的制动系统包括用于输出与制动操作量对应的液体压力的主缸,能够输出与制动操作量相对应的液压的电致动器,以及能够切换连接的切换阀, 主缸和车轮制动器之间断开。 电动执行器连接到车轮制动器,以阻止来自车轮制动器的工作液体的回流。 通过压力检测器检测施加在车轮制动器上的制动压力。 当检测到的制动压力和与制动操作量对应的目标制动压力之间的差超过预定范围时,来自主缸的输出液压被施加到车轮制动器。 因此,即使在电致动器本身或用于驱动电动致动器的驱动电路中产生故障,也防止了车轮制动器的制动压力不希望地降低。
    • 4. 发明授权
    • Braking force control system of vehicle
    • 车辆制动力控制系统
    • US5375917A
    • 1994-12-27
    • US179722
    • 1994-01-11
    • Hiromi InagakiWataru SaitoKazuya SakuraiYoshimichi Kawamoto
    • Hiromi InagakiWataru SaitoKazuya SakuraiYoshimichi Kawamoto
    • B60T8/32B60T8/00B60T8/174B60T8/1755B60T8/36B60T15/36
    • B60T8/326B60T8/00B60T8/1755B60T8/3665
    • A braking force control system of a vehicle includes a deviation reference control quantity determining device for determining an operation control quantity for the actuator on the basis of a deviation between a target deceleration determined on the basis of a quantity of operation of a brake operating member and a detected deceleration of the vehicle. In this control system, the level of operation speed is judged in accordance with whether or not the variation per unit time in quantity of operation of the brake operating member exceeds a preset value. Following two states are switched over from one to another by a switch device: a state 1) in which the operation of the actuator is controlled with an operation control quantity determined in the deviation reference control quantity determining device, when it is decided that the operation speed is slow or low, and a state 2) in which the operation of the actuator is controlled with an operation control quantity determined in an operation quantity reference quantity determining device for determining the operation control quantity on the basis of the quantity of operation of the brake operating member, when the operation speed is fast or high. Thus, the generation of an overshooting can be avoided to improve the responsiveness.
    • 车辆的制动力控制系统包括:偏差基准控制量决定装置,其根据基于制动操作部件的动作量确定的目标减速度和 检测到车辆的减速度。 在该控制系统中,根据制动操作部件的运转量的每单位时间的变化量是否超过预设值来判断运转速度的水平。 以下两种状态通过开关装置从一个状态切换到另一状态:状态1),其中致动器的操作由在偏差基准控制量确定装置中确定的操作控制量进行控制,当确定操作 速度为慢或低,以及状态2),其中通过在操作量参考量确定装置中确定的操作控制量来控制致动器的操作,用于基于操作量的操作量来确定操作控制量 制动操作部件,运转速度快或高时。 因此,可以避免产生过冲以提高响应性。
    • 5. 发明授权
    • Brake control system for vehicle
    • 车辆制动控制系统
    • US5864769A
    • 1999-01-26
    • US680416
    • 1996-07-15
    • Hiromi InagakiYoshimichi KawamotoShinji SutoToshio Hayashi
    • Hiromi InagakiYoshimichi KawamotoShinji SutoToshio Hayashi
    • B60T8/24B60T8/1755B60T8/32
    • B60T8/1755B60T2220/03B60T2250/03
    • In a brake control system for yaw control in a vehicle, the conditions for starting a brake operation are that the absolute value of a deviation between a target yaw rate determined in a target yaw rate determining device and an actual yaw rate detected by a yaw rate detecting device is equal to or greater than a preset deviation value and that the absolute yaw rate is equal to or greater than a preset value. The wheel brake for an outer wheel, during turning of the vehicle, is operated by the yaw control system based on the deviation between both the yaw rates. However, brake control does not occur when both of the yaw rates are the same in direction and are large. Thus, yaw control is conducted immediately when necessary, but the conduction of unnecessary yaw control is avoided, thereby reducing the frequency of the brake operation.
    • 在用于车辆中的偏航控制的制动控制系统中,用于开始制动操作的条件是在目标横摆率确定装置中确定的目标横摆角速度与由横摆率检测到的实际横摆角速度之间的偏差的绝对值 检测装置等于或大于预设偏差值,并且绝对横摆率等于或大于预设值。 用于外轮的车轮制动器在车辆转动期间由偏航控制系统基于两个偏航率之间的偏差来操作。 然而,当两个横摆率在方向上相同并且大时,不会发生制动控制。 因此,必要时立即进行偏航控制,但是避免了不必要的偏航控制的传导,从而降低了制动操作的频率。
    • 8. 发明授权
    • Steering angle detecting device
    • 转向角检测装置
    • US5119302A
    • 1992-06-02
    • US546150
    • 1990-06-28
    • Masaru AbeYoshimichi KawamotoMitsuya SerizawaOsamu Tsurumiya
    • Masaru AbeYoshimichi KawamotoMitsuya SerizawaOsamu Tsurumiya
    • G01B21/22B62D5/04B62D5/06B62D7/15B62D15/02
    • B62D15/0245
    • A steering angle detecting device employs an analog sensor and a digital sensor to detect a displacement of a component which is displaceable depending on a change in a steering angle in a steering apparatus. The steering angle detecting device includes an analog sensor for detecting a displacement of the component and producing an analog signal having a potential corresponding to the position of the component, a digital sensor for detecting the displacement of the component and producing a predetermined number of pulses corresponding to a unit change in the steering angle, a basic count determining unit for determining a basic count corresponding to the steering angle based on the analog signal produced by the analog sensor when a steering angle starts to be detected, a counter for generating and holding a count corresponding to the steering angle by adding or subtracting the number of pulses produced by the digital sensor to or from the basic count, a steering angle calculating unit for calculating a steering angle based on the count, and a correcting unit for correcting the count when the component is positioned in a position corresponding to a predetermined reference steering angle.
    • 转向角检测装置使用模拟传感器和数字传感器来检测根据转向装置中的转向角的变化可移动的部件的位移。 转向角检测装置包括模拟传感器,用于检测部件的位移并产生具有对应于部件位置的电位的模拟信号;数字传感器,用于检测部件的位移并产生相应的预定数量的脉冲 基本计数确定单元,用于当开始检测转向角时,基于由模拟传感器产生的模拟信号来确定与转向角相对应的基本计数;计数器,用于产生和保持转向角; 通过将数字传感器产生的脉冲数与基本计数相加或减去对应于转向角的计数,用于基于计数计算转向角的转向角计算单元,以及用于校正计数的校正单元 该部件被定位在与预定的参考转向角对应的位置。