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    • 1. 发明授权
    • Brake system for vehicle
    • 车辆制动系统
    • US5988769A
    • 1999-11-23
    • US620208
    • 1996-03-22
    • Hiromi InagakiKazuhiko MochizukiShinji SutoToshio Hayashi
    • Hiromi InagakiKazuhiko MochizukiShinji SutoToshio Hayashi
    • B60T7/12B60T8/1766B60T8/24B60T8/36B60T8/44B60T8/48B60T13/66B60T13/68B60T8/38
    • B60T8/4072B60T13/686B60T7/12B60T8/24B60T8/3665B60T8/445B60T8/4827
    • A brake system for a vehicle includes a liquid pressure generating device for generating a liquid pressure for braking dependent upon a manual operation, an actuator for generating a liquid pressure for braking dependent upon an electrical command signal, and an electromagnetic switchover valve which is switchable between a first state in which a wheel brake is connected to the liquid pressure generating device upon deenergization of the electromagnetic switchover valve, and a second state in which the wheel brake is connected to the actuator upon energization of the electromagnetic switchover valve. The brake system further includes a controller. The controller determines whether the regulation of braking force is necessary depending upon the behavior of the vehicle or a wheel, determines an amount of braking force required to be generated by the brake, and determines an electrical command signal to be applied to the actuator, dependant upon the required amount of braking force, when the regulation of brake force is necessary. Further, the controller controls the switching operation of the electromagnetic switchover valve device between the first state in which the regulation of braking force is unnecessary, and the second state in which the regulation of braking force is necessary. The switching of states may be based upon an elapsed time or based upon equalizing pressures between the actuators and the liquid pressure generating device. Thus, it is possible to reduce the frequency of operation of each of the actuator and the electromagnetic switchover valve device and to eliminate the need for a stroke accumulator, thereby providing a simplified structure.
    • 一种用于车辆的制动系统包括:液压发生装置,用于根据手动操作产生用于制动的液压;用于根据电命令信号产生用于制动的液压的致动器;以及电磁切换阀,其可在 在电磁切换阀断电时车轮制动器连接到液压发生装置的第一状态,以及在电磁切换阀通电时车轮制动器连接到致动器的第二状态。 制动系统还包括控制器。 控制器根据车辆或车轮的行为来确定是否需要调节制动力,确定制动器产生的制动力量,并确定要施加到执行器的电气指令信号,依赖 在需要的制动力量时,需要制动力的调节。 此外,控制器控制电磁切换阀装置在不需要制动力的调节的第一状态和需要调节制动力的第二状态之间的切换操作。 状态的切换可以基于经过的时间或基于致动器和液体压力产生装置之间的均压来实现。 因此,可以降低致动器和电磁切换阀装置的操作频率,并且消除对行程蓄能器的需要,从而提供简化的结构。
    • 2. 发明授权
    • Antilock brake control process for vehicle
    • 车辆防抱死制动控制过程
    • US5865513A
    • 1999-02-02
    • US660408
    • 1996-06-07
    • Hiromi InagakiKazuhiko MochizukiShinji SutoToshio Hayashi
    • Hiromi InagakiKazuhiko MochizukiShinji SutoToshio Hayashi
    • B60T8/58B60T8/1755B60T8/1761B60T8/36B60T8/40B60T8/84
    • B60T8/3665B60T8/1755B60T8/4072B60T2250/03
    • In an antilock brake control for a vehicle for individually regulating braking forces of left and right wheel brakes in accordance with a locking tendency of left and right wheels during braking of the vehicle, a steering angle, a vehicle speed and a yaw rate of the vehicle are detected. A reference yaw rate is determined based on the steering angle and the vehicle speed. When a locking tendency of only an outer wheel during turning of the vehicle, of the left and right wheels is detected during turning of the vehicle, the braking force for the outer wheel is regulated in accordance with the tendency of the outer wheel, and the braking force for an inner wheel during turning of the vehicle is regulated in accordance with a difference between the reference yaw rate and the detected actual yaw rate. Thus, it is possible to enhance the turning characteristic while avoiding a loss in total braking force during turning of the vehicle.
    • 在用于车辆的防抱死制动控制中,用于根据车辆制动期间左右车轮的锁定趋势单独调节左右车轮制动器的制动力,车辆的转向角,车速和偏航率 被检测到。 基于转向角和车速确定基准偏航率。 当在车辆转动期间仅在车辆转动期间检测到左右车轮的锁定趋势时,根据外轮的趋势来调节外轮的制动力,并且, 根据参考横摆率和检测到的实际横摆率之间的差异来调节车辆转向期间内轮的制动力。 因此,可以提高转弯特性,同时避免在车辆转动期间的总制动力的损失。
    • 3. 发明授权
    • Antilock brake control system for vehicle
    • 车辆防抱死制动控制系统
    • US5733019A
    • 1998-03-31
    • US660404
    • 1996-06-07
    • Hiromi InagakiKazuhiko MochizukiShinji SutoToshio Hayashi
    • Hiromi InagakiKazuhiko MochizukiShinji SutoToshio Hayashi
    • B60T8/58B60T8/172B60T8/1764B60T8/36B60T8/40B60T8/62B60T8/84
    • B60T8/3665B60T8/1764B60T8/4072
    • An antilock brake control system for a vehicle is capable of switching between an individual control mode and a collective control mode. The individual control mode regulates the braking forces of left and right wheel brakes in accordance with locking tendencies of the left and right wheels during braking. The collective control mode collectively regulates the braking forces of the left and right wheel brakes in accordance with one of the detected locking tendencies of the wheels, the direction of a vehicle's yaw rate and the steering direction. When these directions coincide with each other, the individual control mode is selected, but when these directions do not coincide with each other, the collective control mode is selected. Thus, it is possible to easily determine a state where the friction coefficients of the road sections, with which the left and right wheels are contacted, are different. Thus, stability is insured in the collective control mode. At other times, the individual control mode can be selected to provide a sufficient braking force.
    • 用于车辆的防抱死制动控制系统能够在单独控制模式和集体控制模式之间切换。 单个控制模式根据制动期间左右轮的锁定倾向来调节左右制动器的制动力。 集体控制模式根据检测到的车轮的锁定倾向,车辆横摆率的方向和转向方向,共同地调节左右制动器的制动力。 当这些方向彼此一致时,选择单独的控制模式,但是当这些方向彼此不一致时,选择集合控制模式。 因此,可以容易地确定左右车轮接触的路段的摩擦系数不同的状态。 因此,集体控制模式下的稳定性得到保障。 在其他时间,可以选择单独的控制模式以提供足够的制动力。
    • 4. 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。
    • 5. 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。
    • 6. 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。
    • 7. 发明授权
    • Anti-lock control method for vehicle
    • 车辆防抱死控制方法
    • US5435634A
    • 1995-07-25
    • US143904
    • 1993-11-02
    • Shinji SutoYoshiyuki SugimotoHiromi InagakiKazuya Sakurai
    • Shinji SutoYoshiyuki SugimotoHiromi InagakiKazuya Sakurai
    • B60T8/58B60T8/17B60T8/172B60T8/1763B60T8/62B60T8/32
    • B60T8/17636
    • An anti-lock control method for a vehicle includes the steps of: calculating an operation control quantity on the basis of a braking pressure at the start of an anti-lock control when a wheel is about to be locked during braking, and controlling the operation of an actuator, capable of adjusting the braking force of a wheel brake by the operation control quantity in order to reduce the braking force. In this process, the braking pressure at the start of anti-lock control is corrected with the locking tendency of the wheel to set an adjusted reference braking pressure, and the operation control quantity is calculated on the basis of the adjusted reference braking pressure. Thus, it is possible to determine the reference braking pressure with good accuracy, leading to an enhanced accuracy of the anti-lock control.
    • 一种用于车辆的防抱死控制方法包括以下步骤:当制动期间车轮即将被锁定时,基于防抱死控制开始时的制动压力来计算操作控制量,并且控制操作 的致动器,其能够通过操作控制量来调节车轮制动器的制动力,以便减小制动力。 在该过程中,以防止锁定控制开始时的制动压力以车轮的锁定倾向进行修正,以设定调整的参考制动压力,并且基于调整的参考制动压力来计算操作控制量。 因此,可以以良好的精度确定参考制动压力,从而提高防抱死控制的精度。
    • 9. 发明授权
    • Method for preventing slipping of vehicle
    • 防止车辆滑动的方法
    • US5415600A
    • 1995-05-16
    • US20092
    • 1993-02-19
    • Kazuhiko MochizukiKenji AkuzawaHiromi Inagaki
    • Kazuhiko MochizukiKenji AkuzawaHiromi Inagaki
    • F02D29/02B60K28/16F02D41/04F16H61/21F16H63/40B60K41/10
    • B60K28/16B60W2510/0604B60W2510/0638B60W2520/10B60W2540/106B60W2710/0644F16H61/21F16H63/40Y10T477/679
    • A method for preventing the slipping of a vehicle engine during braking, by judging whether or not there is an excessive slipping of driven wheels on the basis of detection values detected by driven wheel speed detectors for detecting driven wheel speeds and detection values detected by follower wheel speed detectors for detecting follower wheel speeds, such that if it is decided that there is excessive slipping during engine braking, an actuator capable of changing the output from an engine mounted in the vehicle is operated to increase the output from the engine, wherein the method comprises steps of: detecting a gear position in a transmission disposed between the engine and driven wheels; determining a target engine revolution number on the basis of the gear position and the detection values of the follower wheel speeds at the time when it is decided that there is the excessive slipping; and determining a control amount for operation of the actuator on the basis of the target engine revolution number. Thus, it is possible to provide improvements in responsiveness and accuracy of the control conducted when excessive slipping is produced during engine braking.
    • 一种用于在制动期间通过基于由用于检测从动轮速度的从动轮速度检测器检测到的检测值和由从动轮检测到的检测值来判定从动轮是否过度滑动来防止制动时车辆发动机滑动的方法 用于检测从动轮速度的速度检测器,使得如果确定在发动机制动期间存在过度滑动,则可以操作能够改变来自安装在车辆中的发动机的输出的致动器,以增加来自发动机的输出,其中所述方法 包括以下步骤:检测设置在发动机和从动轮之间的变速器中的档位; 根据齿轮位置和判断为过度滑动时的从动轮速度的检测值来确定目标发动机转速; 并基于目标发动机转速确定用于致动器的操作的控制量。 因此,可以提供在发动机制动期间产生过度滑动时进行的控制的响应性和精度的改进。