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    Vehicle operation control method and vehicle operation control apparatus
    3.
    发明授权
    Vehicle operation control method and vehicle operation control apparatus 有权
    车辆操作控制方法和车辆操作控制装置

    公开(公告)号：US06832144B2

    公开(公告)日：2004-12-14

    申请号：US10617122

    申请日：2003-07-11

    申请人： Minekazu Momiyama ,  Shinji Takeuchi ,  Toshio Kohno ,  Yuzo Imoto ,  Yoshiyuki Yasui ,  Wataru Tanaka ,  Yuji Muragishi

    发明人： Minekazu Momiyama ,  Shinji Takeuchi ,  Toshio Kohno ,  Yuzo Imoto ,  Yoshiyuki Yasui ,  Wataru Tanaka ,  Yuji Muragishi

    IPC分类号： B62D1100

    CPC分类号： B62D6/002 ,  B62D5/008

    摘要： The vehicle operation control apparatus multiplies the variable gain G controlled based on the vehicle velocity V, the steering angle &thgr;h, the steering angle velocity &ohgr;h and the actual steering angle &thgr;T with the steering angle &thgr;h, and controls the actual steering angle &thgr;T of the driven wheels on a result of this multiplication. Consequently, the additional turning time gear ratio Ga1 or the turning-back gear ratio Ga2, set up individually, can be selected depending on the turning direction of the steering wheel. Therefore, the steering feeling both at the time of additional turning and turning-back can be improved.

    摘要翻译： 车辆操作控制装置将基于车速V控制的可变增益G，转向角θt，转向角速度ωgah和实际转向角θT与转向角atah相乘，并且控制被驱动的实际转向角θT 轮对这个乘法的结果。 因此，可以根据方向盘的转向方向来选择单独设置的附加转弯时间齿轮比Ga1或回转齿轮比Ga2。 因此，可以提高在追加转弯和回转时的转向感。

    Steering unit and internal drag calculation apparatus used therein
    4.
    发明授权
    Steering unit and internal drag calculation apparatus used therein 有权

    公开(公告)号：US06619422B2

    公开(公告)日：2003-09-16

    申请号：US10000133

    申请日：2001-12-04

    申请人： Shinji Takeuchi ,  Toshihiro Takahashi ,  Minekazu Momiyama ,  Eiichi Ono ,  Shoji Asai ,  Hiroshi Kuroyanagi

    发明人： Shinji Takeuchi ,  Toshihiro Takahashi ,  Minekazu Momiyama ,  Eiichi Ono ,  Shoji Asai ,  Hiroshi Kuroyanagi

    IPC分类号： B62D504

    CPC分类号： B62D5/0463 ,  B62D5/0472 ,  B62D6/008

    摘要： A power steering apparatus is provided to generate an assistant force corresponding to a change of viscous friction in the steering unit or the like, without losing information on reaction force from a road surface. An external force calculation portion calculates an external force, that is, a force other than a force for steering (i.e. a steering force) among forces (action forces) acting on the steering unit of a vehicle. The external force is assumed to be composed of an outside force received from the road surface, such as an SAT (self-aligning torque), and an internal drag resulting from a viscous friction generated in the steering unit, and the like and these two forces are separated in an outside force and internal drag calculation portion. In separating these two forces, under the assumption that the outside force is a function of a side slip angle and an internal drag is a function of a steering angular velocity, and coefficients of functions are obtained. On the basis of the thus calculated internal drag, a motor control portion controls a motor so as to generate an adequate assistant force.

    Steering system for vehicle
    7.
    发明授权
    Steering system for vehicle 失效
    车辆转向系统

    公开(公告)号：US07257474B2

    公开(公告)日：2007-08-14

    申请号：US11097131

    申请日：2005-04-04

    申请人： Hiroaki Kato ,  Shinji Takeuchi ,  Minekazu Momiyama ,  Akihiro Ohno ,  Tsuyoshi Murakami

    发明人： Hiroaki Kato ,  Shinji Takeuchi ,  Minekazu Momiyama ,  Akihiro Ohno ,  Tsuyoshi Murakami

    IPC分类号： B62D6/00 ,  B62D5/00 ,  B62D6/04

    CPC分类号： B62D6/04 ,  B60W10/10 ,  B60W10/20 ,  B62D5/008 ,  B62D6/007 ,  B62D6/008

    摘要： In a steering system 30, a transmission ratio R1 which is determined in dependence on the vehicle speed by reference to a transmission ratio decision map is multiplied with a first transmission ratio alteration gain g10 which is determined in dependence on the distribution of a traveling drive torque from an engine 11 to front wheels 14 and rear wheels 15, thereby to alter the ratio R1 of steering torque distribution from a steering handle 31 to the front wheels 14, whereby the variation of the steering feeling due to an increase or decrease in the distribution of the traveling drive torque to the front wheels 14 can be suppressed. Further, the transmission ratio R1 is multiplied with a second transmission ratio alteration gain g11 which is determined in dependence on the gradient of the road surface by reference to a second transmission ratio alteration map, thereby to alter the transmission ratio R1, whereby the variation of the steering feeling due to the variation of the gradient can also be suppressed.

    摘要翻译： 在转向系统30中，通过参照传动比决定图将根据车速确定的传动比R 1乘以第一传动比变更增益g 10，该第一变速比改变增益g 10根据行驶 从发动机11到前轮14和后轮15的驱动扭矩，从而改变转向转向分配从转向手柄31到前轮14的比率R 1，从而由于增加或减少转向感觉的变化 可以抑制向前轮14的行驶驱动扭矩的分配。 此外，传动比R 1与通过参照第二传动比变更图相对于路面的坡度而确定的第二传动比变更增益g 11相乘，从而改变传动比R 1，由此 也可以抑制由于梯度的变化引起的转向感的变化。

    Steering system for vehicle
    8.
    发明申请
    Steering system for vehicle 失效
    车辆转向系统

    公开(公告)号：US20050224277A1

    公开(公告)日：2005-10-13

    申请号：US11097131

    申请日：2005-04-04

    申请人： Hiroaki Kato ,  Shinji Takeuchi ,  Minekazu Momiyama ,  Akihiro Ohno ,  Tsuyoshi Murakami

    发明人： Hiroaki Kato ,  Shinji Takeuchi ,  Minekazu Momiyama ,  Akihiro Ohno ,  Tsuyoshi Murakami

    IPC分类号： B62D5/00 ,  B62D5/04 ,  B62D5/22 ,  B62D6/00 ,  B62D6/04 ,  B62D101/00 ,  B62D103/00 ,  B62D111/00 ,  B62D113/00 ,  B62D117/00 ,  B62D137/00

    CPC分类号： B62D6/04 ,  B60W10/10 ,  B60W10/20 ,  B62D5/008 ,  B62D6/007 ,  B62D6/008

    摘要： In a steering system 30, a transmission ratio R1 which is determined in dependence on the vehicle speed by reference to a transmission ratio decision map is multiplied with a first transmission ratio alteration gain g10 which is determined in dependence on the distribution of a traveling drive torque from an engine 11 to front wheels 14 and rear wheels 15, thereby to alter the ratio R1 of steering torque distribution from a steering handle 31 to the front wheels 14, whereby the variation of the steering feeling due to an increase or decrease in the distribution of the traveling drive torque to the front wheels 14 can be suppressed. Further, the transmission ratio R1 is multiplied with a second transmission ratio alteration gain g11 which is determined in dependence on the gradient of the road surface by reference to a second transmission ratio alteration map, thereby to alter the transmission ratio R1, whereby the variation of the steering feeling due to the variation of the gradient can also be suppressed.

    摘要翻译： 在转向系统30中，通过参照传动比决定图将根据车速确定的传动比R 1乘以第一传动比变更增益g 10，该第一变速比改变增益g 10根据行驶 从发动机11到前轮14和后轮15的驱动扭矩，从而改变转向转向分配从转向手柄31到前轮14的比率R 1，从而由于增加或减少转向感觉的变化 可以抑制向前轮14的行驶驱动扭矩的分配。 此外，传动比R 1与通过参照第二传动比变更图相对于路面的坡度而确定的第二传动比变更增益g 11相乘，从而改变传动比R 1，由此 也可以抑制由于梯度的变化引起的转向感的变化。

    Vehicle steering apparatus
    10.
    发明授权
    Vehicle steering apparatus 有权
    车辆转向装置

    公开(公告)号：US07739001B2

    公开(公告)日：2010-06-15

    申请号：US11098387

    申请日：2005-04-05

    申请人： Hiroaki Kato ,  Shinji Takeuchi

    发明人： Hiroaki Kato ,  Shinji Takeuchi

    IPC分类号： G05D1/00

    CPC分类号： B62D6/003 ,  B62D5/008 ,  B62D6/008

    摘要： A vehicle steering apparatus for improving steering feel when changing the angle of a steered wheel with a motor. An IFS torque compensation unit includes an oversteer IFS torque compensation gain calculation unit, which obtains a larger IFS torque compensation gain as a control target element increases during oversteer control. When an oversteer state occurs, the IFS torque compensation control unit outputs a corrected gain, which is based on the IFS torque compensation gain.

    摘要翻译： 一种用于在用电动机改变转向轮的角度时改善转向感觉的车辆转向装置。 IFS转矩补偿单元包括过度转向IFS转矩补偿增益计算单元，其在过度转向控制期间随着控制目标元件增加而获得较大的IFS转矩补偿增益。 当发生过度转向状态时，IFS转矩补偿控制单元输出基于IFS转矩补偿增益的校正增益。