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    • 1. 发明授权
    • Apparatus and method of testing anti-lock brake system
    • 防抱死制动系统测试装置及方法
    • US5495753A
    • 1996-03-05
    • US185417
    • 1994-01-24
    • Shinichi WatanabeTakao ShibayamaKimitake UzuyamaKazuyuki FukamachiKeiichiro MaekawaMasaru Maruo
    • Shinichi WatanabeTakao ShibayamaKimitake UzuyamaKazuyuki FukamachiKeiichiro MaekawaMasaru Maruo
    • B60T8/88B60T17/22G01L5/28
    • B60T8/885B60T17/22G01L5/282B60T2270/406
    • An apparatus for testing an anti-lock brake system has rolls and device for detecting rotational changes of the rolls. The test is performed by running a vehicle having mounted thereon the anti-lock brake system while wheels of the vehicle are placed on the rolls, actuating the anti-lock brake system when a predetermined speed has been attained, and judging operating conditions of the anti-lock brake system from rotational changes of the rolls at the time of braking. In the apparatus, the friction coefficient of each of the rolls is set to such a value that a frictional force to act between each of the rolls and each of the wheels at the time of braking exceeds an inertia force of each of the rolls. Also the inertia weight of each of the rolls is set to such a value that deceleration of each of the wheels at the time of braking can be increased to a predetermined level which is required to start an anti-lock control and that each of the wheels does not stop before the completion of a first braking pressure reduction by the anti-lock control.
    • 用于测试防抱死制动系统的装置具有用于检测辊的旋转变化的辊和装置。 通过在车辆的车轮被放置在辊子上的同时运行安装有防抱死制动系统的车辆来执行该测试,当达到预定速度时致动防抱死制动系统,并且判断反作用力的操作条件 - 制动系统从制动时辊的旋转变化。 在该装置中,每个辊的摩擦系数被设定为使得在制动时每个辊和每个车轮之间作用的摩擦力超过每个辊的惯性力的值。 另外,每个辊子的惯性重量也被设定为使制动时的每个车轮的减速度可以增加到开始防抱死控制所需的预定水平,并且每个车轮 在通过防抱死控制完成第一制动压力降低之前不停止。
    • 6. 发明授权
    • Method of inspecting cornering control mechanism of vehicle
    • 检查车辆转弯控制机构的方法
    • US06257056B1
    • 2001-07-10
    • US09114280
    • 1998-07-13
    • Takao ShibayamaKazuyuki FukamachiKeiichiro Maekawa
    • Takao ShibayamaKazuyuki FukamachiKeiichiro Maekawa
    • G01L528
    • G01M17/065
    • While a vehicle is running on a bench type of testing apparatus for inspecting a cornering control mechanism, the connection of one of drums on which one of the left and right driving wheels is mounted is released from the other drums. Then, the rotational speed of one of the driving wheels increases and the rotational speed of the other of the driving wheels decreases. At this time, a controller mounted on the vehicle judges that the vehicle is in an oversteering state, and the brake of one of the driving wheels is switched on (or operated). Then, based on the deceleration of one of the driving wheels, a discrimination is made as to whether the cornering control mechanism has operated normally or not. Since the rotational speed of one of the driving wheels decreases also when an accelerator is switched off (or pressing down of the accelerator pedal is released), a discrimination is made based on the deceleration of the other of the driving wheels as to whether the accelerator is switched off or not. When a discrimination is made that the accelerator has been switched off, the discrimination of operation of the cornering control mechanism based on the deceleration of one of the driving wheels is prohibited.
    • 当车辆运行在用于检查转弯控制机构的台式测试装置上时,其中安装有左驱动轮和右驱动轮之一的滚筒之一的连接从另一个滚筒释放。 然后,其中一个驱动轮的旋转速度增加,另一个驱动轮的旋转速度降低。 此时,安装在车辆上的控制器判断车辆处于过度转向状态,并且其中一个驱动轮的制动器被接通(或操作)。 然后,基于一个驱动轮的减速度,判断转弯控制机构是否正常动作。 由于当加速器关闭(或者加速踏板的下压被解除)时,一个驱动轮的旋转速度也减小,所以基于另一个驱动轮的减速度来判断是否加速器 是否关闭。 当判断出加速器已被切断时,禁止基于一个驱动轮的减速度来判断转弯控制机构的操作。
    • 8. 发明授权
    • Apparatus and method of testing anti-lock brake system
    • 防抱死制动系统测试装置及方法
    • US5339682A
    • 1994-08-23
    • US852960
    • 1992-03-17
    • Shinichi WatanabeTakao ShibayamaKimitake UzuyamaKazuyuki FukamachiKeiichiro MaekawaMasaru Maruo
    • Shinichi WatanabeTakao ShibayamaKimitake UzuyamaKazuyuki FukamachiKeiichiro MaekawaMasaru Maruo
    • B60T8/88B60T17/22G01L5/28
    • B60T8/885B60T17/22G01L5/282B60T2270/406
    • An apparatus for testing an anti-lock brake system has rolls and device for detecting rotational changes of the rolls. The test is performed by running a vehicle having mounted thereon the anti-lock brake system while wheels of the vehicle are placed on the rolls, actuating the anti-lock brake system when a predetermined speed has been attained, and judging operating conditions of the anti-lock brake system from rotational changes of the rolls at the time of braking. In the apparatus, the friction coefficient of each of the rolls is set to such a value that a frictional force to act between each of the rolls and each of the wheels at the time of braking exceeds an inertia force of each of the rolls. Also the inertia weight of each of the rolls is set to such a value that deceleration of each of the wheels at the time of braking can be increased to a predetermined level which is required to start an anti-lock control and that each of the wheels does not stop before the completion of a first braking pressure reduction by the anti-lock control.
    • 用于测试防抱死制动系统的装置具有用于检测辊的旋转变化的辊和装置。 通过在车辆的车轮被放置在辊子上的同时运行安装有防抱死制动系统的车辆来执行该测试,当达到预定速度时致动防抱死制动系统,并且判断反作用力的操作条件 - 制动系统从制动时辊的旋转变化。 在该装置中,每个辊的摩擦系数被设定为使得在制动时每个辊和每个车轮之间作用的摩擦力超过每个辊的惯性力的值。 另外,每个辊子的惯性重量也被设定为使制动时的每个车轮的减速度可以增加到开始防抱死控制所需的预定水平,并且每个车轮 在通过防抱死控制完成第一制动压力降低之前不停止。
    • 9. 发明授权
    • Method of inspecting limited slip differential for vehicle
    • 检查车辆限滑差速器的方法
    • US5335537A
    • 1994-08-09
    • US942190
    • 1992-09-09
    • Takao ShibayamaKeiichiro MaekawaAkihito FukutomeYoshiharu NakazonoYoshimichi Matsumoto
    • Takao ShibayamaKeiichiro MaekawaAkihito FukutomeYoshiharu NakazonoYoshimichi Matsumoto
    • G01M13/02G01M17/007G01M15/00
    • G01M13/02G01M17/0072
    • A limited slip differential which is incorporated into a differential gear for driving one wheel and the other wheel of a vehicle is inspected as follows. One wheel and the other wheel are mounted on one roll and on another roll, respectively. Acceleration of the vehicle is performed while the aforementioned one roll on which the aforementioned one wheel is mounted is being subjected to a force of restraining the rotation of the aforementioned one roll. A difference in rotational speed between the aforementioned one roll and the aforementioned another roll on which the other wheel is mounted is measured during the accelerating operation. A torque which operates on the aforementioned one roll is measured. A limited slip differential torque which is generated by the limited slip differential is measured from the measured torque. That standard value of the limited slip differential torque which is generated at the measured difference in rotational speed and the obtained limited slip differential torque are compared to judge whether the limited slip differential is acceptable or not.
    • 检查如下结合到用于驱动一个车轮的差速齿轮和车辆的另一个车轮的限滑差速器。 一个轮子和另一个轮子分别安装在一个辊子和另一个辊子上。 在安装上述一个车轮的上述一个辊受到限制上述一个辊的旋转的力的同时执行车辆的加速。 在加速操作期间测量上述一个辊与安装另一个轮的上述另一个辊之间的转速差。 测量对上述一个辊进行操作的扭矩。 根据测量的转矩测量由限滑差速器产生的限滑差速转矩。 比较在测定的转速差和生成的限滑差速转矩时产生的限滑差速转矩的标准值,判断限滑差速器是否可接受。