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    • 2. 发明申请
    • STEERING SYSTEM FOR REAR WHEELS OF VEHICLE
    • 车辆后轮转向系统
    • US20100332083A1
    • 2010-12-30
    • US12918515
    • 2009-02-10
    • Takashi YanagiYutaka HoriuchiHiroaki Sasaki
    • Takashi YanagiYutaka HoriuchiHiroaki Sasaki
    • B62D6/00
    • B62D7/159B60G7/006B60G2200/44B62D7/146
    • A steering system for rear wheels of a vehicle without a dead zone in the vicinity of the steering wheel zero. The steering system includes a steering controller and control units that control the rear wheels to be steered in accordance with the steering angle of the steering wheel. The steering system performs a reduction control to provide a smaller steering control amount for the rear wheels in a range where a steering angle becomes smaller than a predetermined value, compared to a steering control amount for the rear wheels in the other ranges of the steering angle. When an angle speed of the steering angle becomes greater than a predetermined value, the steering system performs no reduction control or the reduction control with less reduced steering control amount for the rear wheels even in the range where the steering angle becomes smaller than the predetermined value.
    • 用于在方向盘附近没有死区的车辆的后轮的转向系统零。 转向系统包括转向控制器和控制单元,该控制单元根据方向盘的转向角来控制后轮的转向。 与转向角的其他范围内的后轮的转向控制量相比,转向系统执行减速控制,以在转向角变得小于预定值的范围内为后轮提供较小的转向控制量 。 当转向角的角速度大于预定值时,即使在转向角小于预定值的范围内,转向系统也不执行减速控制或后轮转向控制量少的减速控制 。
    • 3. 发明申请
    • VARIABLE TOE ANGLE CONTROL SYSTEM FOR A VEHICLE
    • 车辆变形角度控制系统
    • US20080051941A1
    • 2008-02-28
    • US11830391
    • 2007-07-30
    • Yutaka HoriuchiAkihko KoikeHiroaki SasakiTakashi Yanagi
    • Yutaka HoriuchiAkihko KoikeHiroaki SasakiTakashi Yanagi
    • G05B11/00G01B5/00
    • B62D17/00B62D7/148
    • A variable toe angle control system for a vehicle that can be incorporated with a fail-safe mechanism When a fault of the system is detected, at least one of toe-angle actuators is actuated to make toe angles of two wheels agree with each other. When one of the wheels has become fixed in position without regard to a control signal supplied to the corresponding actuator, the actuator for the other wheel is actuated so as to make the toe angles of the two wheels equal to each other. When at least one toe-angle sensor is found faulty, the actuators are both actuated until the actuators reach positions corresponding to stoppers. When information for determining target values of the toe angles of the right and left wheels is found faulty, the actuators are both actuated until the actuators reach positions corresponding to prescribed reference toe positions.
    • 用于车辆的可变的脚趾角度控制系统,其可以结合有故障保护机构当检测到系统的故障时,致动至少一个角度致动器以使两个车轮的脚趾角相互一致。 当其中一个车轮已经固定在适当位置而不考虑提供给相应的致动器的控制信号时,用于另一个车轮的致动器被致动以使得两个车轮的脚趾角相互相等。 当发现至少一个角度传感器有故障时,致动器被致动直到致动器到达与止动件对应的位置。 当确定用于确定左右车轮的脚趾角的目标值的信息有缺陷时,致动器都被致动直到致动器到达与规定的参考脚趾位置相对应的位置。
    • 4. 发明授权
    • Rear wheel steering angle controlling device for vehicles
    • 车辆后轮转向角控制装置
    • US08554416B2
    • 2013-10-08
    • US12311295
    • 2007-10-19
    • Yutaka HoriuchiTakashi YanagiHiroaki Sasaki
    • Yutaka HoriuchiTakashi YanagiHiroaki Sasaki
    • G06F19/00B62D7/15
    • B62D7/159
    • The present invention provides a rear wheel steering angle controlling device for vehicles comprising: a rear wheel steering mechanism (5R, 5L) for changing a rear wheel steering angle; a front wheel steering angle detector (9) for detecting a front wheel steering angle (δf); a vehicle velocity detector (10R, 10L) for detecting a vehicle velocity (V); a feedforward rear wheel steering angle control target value setting unit (21) for setting a feedforward control target value (δrFF) of said rear wheel steering angle according to said front wheel steering angle, said vehicle velocity, a steering yaw rate transfer function property (Gγ0) of the vehicle without a rear wheel steering angle control, and a prescribed reference steering yaw rate transfer function property (Gideal); and a controlling device (11) for controlling said rear wheel steering mechanism according to said feedforward rear wheel steering angle control target value; wherein a steady-state property of said reference steering yaw rate transfer function property is configured to be identical to said steering yaw rate transfer function property without said rear wheel steering angle control.
    • 本发明提供一种用于车辆的后轮转向角控制装置,包括:用于改变后轮转向角的后轮转向机构(5R,5L); 用于检测前轮转向角(deltaf)的前轮转向角检测器(9); 用于检测车速(V)的车速检测器(10R,10L); 前轮后轮转向角控制目标值设定单元,用于根据所述前轮转向角,所述车速,转向偏航率传递函数特性(所述前轮转向角设定单元)设定所述后轮转向角的前馈控制目标值(deltarFF) Ggamma0),没有后轮转向角控制,规定的参考转向偏航率传递函数属性(Gideal); 以及控制装置(11),用于根据所述前馈后轮转向角控制目标值控制所述后轮转向机构; 其中所述参考转向横摆速度传递函数特性的稳态特性被配置为与所述转向横摆角速度传递函数特性相同,而没有所述后轮转向角控制。
    • 6. 发明授权
    • Variable toe angle control system for a vehicle
    • 用于车辆的可变束角控制系统
    • US07873440B2
    • 2011-01-18
    • US11830391
    • 2007-07-30
    • Yutaka HoriuchiAkihko KoikeHiroaki SasakiTakashi Yanagi
    • Yutaka HoriuchiAkihko KoikeHiroaki SasakiTakashi Yanagi
    • G05B13/00G06F7/00
    • B62D17/00B62D7/148
    • A variable toe angle control system for a vehicle that can be incorporated with a fail-safe mechanism. When a fault of the system is detected, at least one of toe-angle actuators is actuated to make toe angles of two wheels agree with each other. When one of the wheels has become fixed in position without regard to a control signal supplied to the corresponding actuator, the actuator for the other wheel is actuated so as to make the toe angles of the two wheels equal to each other. When at least one toe-angle sensor is found faulty, the actuators are both actuated until the actuators reach positions corresponding to stoppers. When information for determining target values of the toe angles of the right and left wheels is found faulty, the actuators are both actuated until the actuators reach positions corresponding to prescribed reference toe positions.
    • 一种用于车辆的可变的脚趾角度控制系统,其可结合有故障保护机构。 当检测到系统的故障时,至少一个角度致动器被致动以使两个车轮的脚趾角相互一致。 当其中一个车轮已经固定在适当位置而不考虑提供给相应的致动器的控制信号时,用于另一个车轮的致动器被致动以使得两个车轮的脚趾角相互相等。 当发现至少一个角度传感器有故障时,致动器被致动直到致动器到达与止动件对应的位置。 当确定用于确定左右车轮的脚趾角的目标值的信息有缺陷时,致动器都被致动直到致动器到达与规定的参考脚趾位置相对应的位置。
    • 7. 发明申请
    • STEERING SYSTEM
    • 转向系统
    • US20090140502A1
    • 2009-06-04
    • US12326365
    • 2008-12-02
    • Hiroaki SasakiYutaka HoriuchiTakashi Yanagi
    • Hiroaki SasakiYutaka HoriuchiTakashi Yanagi
    • B62D17/00
    • B62D7/146B62D17/00
    • The present invention improves response characteristics in turning traveling of a vehicle while traveling stability at the time of turning is kept. The present invention provides a system in which toe angles of left and right rear wheels are controlled based on a steering angular velocity, not a steering angle of a steering. In a steering system in which toe angles of left and right rear wheels are controlled independently, a steering angular velocity is calculated from a steering angle, and toe angle changers are controlled to tilt the toe angle of the right rear wheel to the left when the steering angular velocity is on the left side, and is controlled to tilt the toe angle of the left rear wheel to the left when the steering angular velocity is on the right side.
    • 本发明在保持车辆转弯时的行驶稳定性的同时提高了车辆行驶中的响应特性。 本发明提供了一种系统,其中基于转向角速度而不是转向的转向角来控制左后轮和后轮的趾角。 在独立地控制左右后轮的趾角的转向系统中,从转向角计算转向角速度,并且控制脚趾角变换器,以使右后轮的脚趾角度向左倾斜, 转向角速度在左侧,并且当转向角速度在右侧时被控制以使左后轮的脚趾角度向左倾斜。
    • 8. 发明授权
    • Steering system for rear wheels of vehicle
    • 车辆后轮转向系统
    • US08364350B2
    • 2013-01-29
    • US12918515
    • 2009-02-10
    • Takashi YanagiYutaka HoriuchiHiroaki Sasaki
    • Takashi YanagiYutaka HoriuchiHiroaki Sasaki
    • A01B19/00
    • B62D7/159B60G7/006B60G2200/44B62D7/146
    • A steering system for rear wheels of a vehicle without a dead zone in the vicinity of the steering wheel zero. The steering system includes a steering controller and control units that control the rear wheels to be steered in accordance with the steering angle of the steering wheel. The steering system performs a reduction control to provide a smaller steering control amount for the rear wheels in a range where a steering angle becomes smaller than a predetermined value, compared to a steering control amount for the rear wheels in the other ranges of the steering angle. When an angle speed of the steering angle becomes greater than a predetermined value, the steering system performs no reduction control or the reduction control with less reduced steering control amount for the rear wheels even in the range where the steering angle becomes smaller than the predetermined value.
    • 用于在方向盘附近没有死区的车辆的后轮的转向系统零。 转向系统包括转向控制器和控制单元,该控制单元根据方向盘的转向角来控制后轮的转向。 与转向角的其他范围内的后轮的转向控制量相比,转向系统执行减速控制,以在转向角变得小于预定值的范围内为后轮提供较小的转向控制量 。 当转向角的角速度大于预定值时,即使在转向角小于预定值的范围内,转向系统也不执行减速控制或后轮转向控制量少的减速控制 。
    • 9. 发明授权
    • Steering system
    • 转向系统
    • US08051942B2
    • 2011-11-08
    • US12326365
    • 2008-12-02
    • Hiroaki SasakiYutaka HoriuchiTakashi Yanagi
    • Hiroaki SasakiYutaka HoriuchiTakashi Yanagi
    • B62D5/06
    • B62D7/146B62D17/00
    • The present invention improves response characteristics in turning traveling of a vehicle while traveling stability at the time of turning is kept. The present invention provides a system in which toe angles of left and right rear wheels are controlled based on a steering angular velocity, not a steering angle of a steering. In a steering system in which toe angles of left and right rear wheels are controlled independently, a steering angular velocity is calculated from a steering angle, and toe angle changers are controlled to tilt the toe angle of the right rear wheel to the left when the steering angular velocity is on the left side, and is controlled to tilt the toe angle of the left rear wheel to the left when the steering angular velocity is on the right side.
    • 本发明在保持车辆转弯时的行驶稳定性的同时提高了车辆行驶中的响应特性。 本发明提供了一种系统,其中基于转向角速度而不是转向的转向角来控制左后轮和后轮的趾角。 在独立地控制左右后轮的趾角的转向系统中,从转向角计算转向角速度,并且控制脚趾角变换器,以使右后轮的脚趾角度向左倾斜, 转向角速度在左侧,并且当转向角速度在右侧时被控制以使左后轮的脚趾角度向左倾斜。
    • 10. 发明申请
    • Rear wheel steering angle controlling device for vehicles
    • 车辆后轮转向角控制装置
    • US20100023217A1
    • 2010-01-28
    • US12311295
    • 2007-10-19
    • Yutaka HoriuchiTakashi YanagiHiroaki Sasaki
    • Yutaka HoriuchiTakashi YanagiHiroaki Sasaki
    • B62D6/00G06F19/00
    • B62D7/159
    • The present invention provides a rear wheel steering angle controlling device for vehicles comprising: a rear wheel steering mechanism (5R, 5L) for changing a rear wheel steering angle; a front wheel steering angle detector (9) for detecting a front wheel steering angle (δf); a vehicle velocity detector (10R, 10L) for detecting a vehicle velocity (V); a feedforward rear wheel steering angle control target value setting unit (21) for setting a feedforward control target value (δrFF) of said rear wheel steering angle according to said front wheel steering angle, said vehicle velocity, a steering yaw rate transfer function property (Gγ0) of the vehicle without a rear wheel steering angle control, and a prescribed reference steering yaw rate transfer function property (Gideal); and a controlling device (11) for controlling said rear wheel steering mechanism according to said feedforward rear wheel steering angle control target value; wherein a steady-state property of said reference steering yaw rate transfer function property is configured to be identical to said steering yaw rate transfer function property without said rear wheel steering angle control.
    • 本发明提供一种用于车辆的后轮转向角控制装置,包括:用于改变后轮转向角的后轮转向机构(5R,5L); 用于检测前轮转向角(deltaf)的前轮转向角检测器(9); 用于检测车速(V)的车速检测器(10R,10L); 前轮后轮转向角控制目标值设定单元,用于根据所述前轮转向角,所述车速,转向偏航率传递函数特性(所述前轮转向角设定单元)设定所述后轮转向角的前馈控制目标值(deltarFF) Ggamma0),没有后轮转向角控制,规定的参考转向偏航率传递函数属性(Gideal); 以及控制装置(11),用于根据所述前馈后轮转向角控制目标值控制所述后轮转向机构; 其中所述参考转向横摆速度传递函数特性的稳态特性被配置为与所述转向横摆角速度传递函数特性相同,而没有所述后轮转向角控制。