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1.发明授权Method of and apparatus for controlling steering operation of a motor vehicle with steerable front and rear wheels 失效用于控制具有可转向的前轮和后轮的机动车辆的转向操作的方法和装置
公开(公告)号：US4939653A
公开(公告)日：1990-07-03
申请号：US226070
申请日：1988-07-29
申请人： Osamu Tsurumiya , Masaru Abe , Yoshimichi Kawamoto , Takashi Kohata , Ikuo Nonaga , Masataka Izawa
发明人： Osamu Tsurumiya , Masaru Abe , Yoshimichi Kawamoto , Takashi Kohata , Ikuo Nonaga , Masataka Izawa
CPC分类号： B62D7/148 , B62D7/1581 , B62D7/159
摘要： The steering operation of a motor vehicle with steerable front and rear road wheels is controlled by steering the rear road wheels with an actuator such as an electric motor which produces a steering force dependent on a deviation of the actual rear wheel steering angle from a target rear wheel steering angle. The rear road wheels are thus controlled with a characteristic dependent on the coefficient of friction of a road on which the motor vehicle travels and the steering speed at which the motor vehicle is steered. Typically, a steering control method comprises the steps of detecting the steering angle of the front road wheels, determining a target steering angle for the rear wheels based on the steering angle of the front road wheels, detecting the actual steering angle of the rear road wheels, calculating a steering angle deviation of the actual rear wheel steering angle from the target steering angle, determining a rear wheel steering force based on the steering angle deviation, and steering the rear road wheels to the target steering angle with the determined rear wheel steering force.
摘要翻译： 具有可转向的前轮和后轮的机动车辆的转向操作通过用诸如电动机的致动器转向后轮来控制，该电动机产生取决于实际后轮转向角与目标后方的偏差的转向力 车轮转向角。 因此，后轮车轮的控制特性取决于机动车辆行驶的道路的摩擦系数和机动车辆转向的转向速度。 通常，转向控制方法包括以下步骤：检测前轮的转向角，基于前轮的转向角确定后轮的目标转向角，检测后轮的实际转向角 计算出实际后轮转向角与目标转向角的转向角偏差，基于转向角偏差来确定后轮转向力，并且通过所确定的后轮转向力将后轮转向目标转向角 。
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公开(公告)号：US5365440A
公开(公告)日：1994-11-15
申请号：US800070
申请日：1991-11-27
申请人： Masaru Abe , Yoshimichi Kawamoto , Ikuo Nonaga , Masataka Izawa
发明人： Masaru Abe , Yoshimichi Kawamoto , Ikuo Nonaga , Masataka Izawa
IPC分类号： B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00
CPC分类号： B62D7/159 , B62D7/1581
摘要： A four wheel steering system for a motor vehicle with steerable front and rear road wheels, a steering angle sensor for detecting a front wheel steering angle through which the front road wheels are steered, a vehicle speed sensor for detecting a vehicle speed of the motor vehicle, a rear wheel steering mechanism for steering the rear wheels, and a controller for controlling the rear wheel steering mechanism to steer the rear road wheels based on the detected front wheel steering angle and the detected vehicle speed when the front road wheels are steering. The controller controls the rear wheel steering mechanism to steer the rear road wheels in a direction which is opposite to the front road wheels if the detected vehicle speed is relatively low, and also controls the rear wheel steering mechanism to steer the rear road wheels in a direction which is the same as the front road wheels if the detected vehicle speed is relatively high. Furthermore, the controller controls the rear wheel steering mechanism to increase a rear wheel steering angle which through the rear road wheels are steered as the front wheel steering angle increases if a change in the front wheel steering angle is relatively small, and controls the rear wheel steering mechanism to reduce an increase in the rear wheel steering angle if a change in the front wheel steering angle is relatively large.
摘要翻译： 一种用于具有可转向的前轮和后轮的机动车辆的四轮转向系统，用于检测前轮转向的前轮转向角的转向角传感器，用于检测机动车辆的车速的车速传感器 ，用于转向后轮的后轮转向机构，以及控制器，用于根据检测到的前轮转向角和前车轮转向时的检测车速来控制后轮转向机构转向后车轮。 如果检测到的车速相对较低，则控制器控制后轮转向机构以使前后轮与前车轮相反的方向转向，并且还控制后轮转向机构以使后车轮转向 方向与前车轮相同，如果检测到的车速相对较高。 此外，如果前轮转向角的变化相对较小，则控制后轮转向机构增加后轮转向角，该后轮转向角随着前轮转向角度的增加而通过后轮转向，并且控制后轮 转向机构，如果前轮转向角的变化相对较大，则减小后轮转向角的增加。
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公开(公告)号：US5083627A
公开(公告)日：1992-01-28
申请号：US329250
申请日：1989-03-27
CPC分类号： B62D7/1581 , B62D7/159
摘要： A steering system for a motor vehicle having front road wheels and rear road wheels which are steerable includes a rear wheel steering mechanism for steering the rear road wheels based on a vehicle speed and a front wheel steered angle. The rear wheel steering mechanism, has a correcting mechanism fo varying a rear wheel steering force dependent on the vehicle speed.
摘要翻译： 具有可转向的前轮和后轮的机动车辆的转向系统包括基于车速和前轮转向角来转向后车轮的后轮转向机构。 后轮转向机构具有根据车速而改变后轮转向力的校正机构。
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公开(公告)号：US5119302A
公开(公告)日：1992-06-02
申请号：US546150
申请日：1990-06-28
CPC分类号： B62D15/0245
摘要： 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.
摘要翻译： 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。
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5.发明授权Rear wheel steering mechanism with locking control for four-wheel-steerable vehicle 失效后轮转向机构，具有四轮转向车辆的锁定控制
公开(公告)号：US5096014A
公开(公告)日：1992-03-17
申请号：US333870
申请日：1989-04-04
申请人： Masaru Abe , Toru Yasuda , Yoshimichi Kawamoto , Takashi Kohata
发明人： Masaru Abe , Toru Yasuda , Yoshimichi Kawamoto , Takashi Kohata
CPC分类号： B62D7/1527 , B62D7/148
摘要： A four-wheel-steering system includes a rear wheel steering mechanism for turning rear wheels in response to energization of an actuator. A locking device is responsive to de-energization of the actuator for locking gears and a rack shaft to prevent the rear wheels from being turned. The locking device includes a longer arm on which first and second gears are rotatably mounted, a shorter arm pivotally coupled to the longer arm, a stopper coupled to the shorter arm and engageable with the second gear, and a spring acting on the stopper for normally urging the stopper into engagement with the second gear, the actuator comprising an electric motor angularly movable with respect to the second gear.
摘要翻译： 四轮转向系统包括用于响应于致动器的通电而转动后轮的后轮转向机构。 锁定装置响应用于锁定齿轮的致动器的断电和齿条轴，以防止后轮转动。 锁定装置包括长臂，第一和第二齿轮可旋转地安装在该臂上，可枢转地连接到较长臂的较短的臂，连接到较短臂并与第二齿轮接合的止动件，以及作用在止动件上的弹簧 促使止动器与第二齿轮接合，致动器包括相对于第二齿轮成角度地运动的电动马达。
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公开(公告)号：US4823898A
公开(公告)日：1989-04-25
申请号：US170829
申请日：1988-03-21
申请人： Masami Ogura , Kazuhiro Seki , Masaru Abe , Mitsuya Serizawa , Yoshimichi Kawamoto , Toru Yasuda , Takashi Kohata
发明人： Masami Ogura , Kazuhiro Seki , Masaru Abe , Mitsuya Serizawa , Yoshimichi Kawamoto , Toru Yasuda , Takashi Kohata
CPC分类号： B62D7/226 , F16F15/08 , Y10T74/1967 , Y10T74/2147
摘要： A steering gear box mount includes a resilient member interposed between a motor vehicle body and a steering gear box for allowing movement of the steering gear box. The mount also has a structure for limiting allowed movement of the steering gear box. The structure includes a mechanism for selectively fixing the steering gear box to a motor vehicle body, or a mechanism for continuously adjusting the allowed movement of the steering gear box.
摘要翻译： 转向齿轮箱安装件包括插入在机动车体和转向齿轮箱之间的弹性构件，用于允许转向齿轮箱的移动。 安装座还具有用于限制转向齿轮箱允许的运动的结构。 该结构包括用于将转向齿轮箱选择性地固定到机动车辆的机构，或用于连续地调节转向齿轮箱允许的运动的机构。
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公开(公告)号：US5199523A
公开(公告)日：1993-04-06
申请号：US369085
申请日：1989-06-20
申请人： Masaru Abe , Yoshimichi Kawamoto , Norio Ukai , Takashi Kohata
发明人： Masaru Abe , Yoshimichi Kawamoto , Norio Ukai , Takashi Kohata
CPC分类号： B62D7/1536
摘要： A front and rear wheel steering system for a vehicle which transmits a steering input from a front wheel steering gear box to a rear wheel steering gear box via a coupling shaft as a rotation thereof around its longitudinal line and varies a steering gear ratio of rear wheels to front wheels according to the speed of the vehicle. A steering rod for steering the rear wheels with its longitudinal movement is provided with a crank portion which is engaged with a swing shaft pivotally attached to the coupling shaft via a pivot shaft perpendicular thereto so as to perform a gyrating motion around an extension line of the coupling shaft and thereby move the steering rod along its longitudinal direction to achieve a steering action of the rear wheels. The steering rod can be rotated around its longitudinal line according to the vehicle speed so as to displace the crank portion relative to the extension line of the coupling shaft and change the relationship between the rotational angle of the coupling shaft or the steering input to the front wheel steering gear box and the longitudinal movement of the steering rod or the steering angle of the rear wheels.
摘要翻译： 一种用于车辆的前轮和后轮转向系统，其通过联接轴将其从前轮舵机传递到后轮舵机箱，转向输入沿其纵向线旋转，并且改变后轮的转向齿轮比 根据车辆的速度到前轮。 用于转向后轮的纵向运动的转向杆设置有曲柄部分，该曲柄部分通过与其垂直的枢转轴枢转地连接到联接轴上的摆动轴接合，以便围绕其延伸线执行旋转运动 从而使转向杆沿着其纵向方向移动，以实现后轮的转向动作。 转向杆可以根据车速绕其纵向线旋转，以使曲柄部分相对于联轴器的延长线移动，并改变联轴器或转向输入端的旋转角度与前方的关系 车轮转向齿轮箱和转向杆的纵向运动或后轮的转向角。
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8.发明授权Method of and apparatus for controlling camber of rear wheels of four-wheel-steerable vehicle 失效用于控制四轮转向车辆后轮的弯度的方法和装置
公开(公告)号：US4895383A
公开(公告)日：1990-01-23
申请号：US184262
申请日：1988-04-21
申请人： Masaru Abe , Yoshimichi Kawamoto , Takashi Kohata
发明人： Masaru Abe , Yoshimichi Kawamoto , Takashi Kohata
CPC分类号： B62D17/00 , B62D7/1545 , B60G2200/46
摘要： A method of and an apparatus for controlling rear road wheel camber of a four-wheel-steerable vehicle having front and rear road wheels steerable in the same or opposite directions. The camber with respect to ground of at least the rear road wheel on the outer side of a cornering curve followed by the vehicle is controlled. The apparatus includes detectors for detecting the direction in which the rear road wheels are steered with respect to the front road wheels, the self-aligning torque on the front road wheels, and the steering force acting on a steering wheel, camber varying devices associated with rear wheel suspensions, actuators for operating the camber varying devices, and a control unit responsive to detected signals from the detectors for applying a control signal to at least one of the actuators to control the camber of at least the rear road wheel on the outer side of the cornering curve when the rear wheels are steered.
摘要翻译： 一种用于控制四轮转向车辆的后轮车轮外倾的方法和装置，其具有可在相同或相反方向上转向的前轮和后轮。 控制车辆后方转弯曲线外侧至少后轮的地面的弯度。 该装置包括用于检测后轮相对于前车轮转向的方向的检测器，前车轮上的自对准转矩以及作用在方向盘上的转向力， 后轮悬架，用于操作外倾变速装置的致动器，以及响应于来自检测器的检测信号的控制单元，用于向至少一个致动器施加控制信号，以控制外侧的至少后轮的弯度 当后轮转向时的转弯曲线。
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公开(公告)号：US4836577A
公开(公告)日：1989-06-06
申请号：US137961
申请日：1987-12-24
申请人： Masaru Abe , Takashi Kohata , Yoshimichi Kawamoto
发明人： Masaru Abe , Takashi Kohata , Yoshimichi Kawamoto
CPC分类号： B60G21/007 , B60G7/006 , B60G7/008 , B62D17/00 , B60G2200/10 , B60G2200/31 , B60G2200/46 , B60G2200/462 , B60G2200/464 , B60G2202/40 , B60G2202/413 , B60G2202/422 , B60G2204/14 , B60G2204/149 , B60G2204/416 , B60G2204/62 , B60G2206/50
摘要： An automobile suspension includes a suspension member coupled to a vehicle body, a disc-shaped actuator mechanism detachably supported on the suspension member, and a knuckle having a swingable support shaft swingably supported for swinging movement about a central pivot through which the axis of the disc-shaped actuator mechanism passes, the knuckle being adapted to support a wheel rotatably. The disc-shaped actuator mechanism includes a pair of actuators disposed thereon at respective positions spaced substantially equally from the central pivot and located on at least one straight line passing through the central pivot, the actuators pivotally supporting the knuckle, respectively, for causing the knuckle to be angularly moved about the central pivot.
摘要翻译： 汽车悬架包括联接到车体的悬挂构件，可拆卸地支撑在悬挂构件上的盘形致动器机构，以及具有可摆动地支撑的可摆动支撑轴的转向节，所述转向节可摆动地支撑，以围绕中心枢轴摆动，通过该中心枢轴， 形状的致动器机构通过，转向节适于支撑轮可旋转。 盘形致动器机构包括一对致动器，其位于与中心枢轴基本上相等的位置上且位于穿过中心枢轴的至少一条直线上的相应位置上，致动器分别枢转地支撑转向节，以使转向节 围绕中心枢轴角度地移动。
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公开(公告)号：US5083626A
公开(公告)日：1992-01-28
申请号：US109232
申请日：1987-10-16
申请人： Masaru Abe , Takashi Kohata , Yoshimichi Kawamoto
发明人： Masaru Abe , Takashi Kohata , Yoshimichi Kawamoto
CPC分类号： B62D7/1581 , B60G7/006 , B62D5/0427 , B62D5/0448 , F16C19/54 , F16C35/061
摘要： A rear wheel steering device in a four-wheel-steerable vehicle includes a rod member having opposite ends coupled to tie rods for turning rear wheels, an electric motor, and a screw mechanism for converting rotation of the electric motor to axial motion of the rod member. The stator and rotor of the electric motor are disposed coaxially with the rod member, the motor and the screw mechanism being juxtaposed with respect to each other in the axial direction of the rod member. The screw mechanism comprises a threaded portion on the rod member and a nut engaging the threaded portion, the nut being axially pre-loaded.
摘要翻译： 四轮转向车辆中的后轮转向装置包括：杆部件，其相对端连接到用于转动后轮的拉杆;电动机;以及用于将电动机的旋转转换成杆的轴向运动的螺杆机构 会员。 电动机的定子和转子与杆构件同轴设置，电动机和螺杆机构在杆构件的轴向上相对于彼此并置。 螺杆机构包括杆构件上的螺纹部分和与螺纹部分接合的螺母，螺母被轴向预加载。
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