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49 条记录 (耗时 0.03 秒)

    Steering device for rear vehicle wheels
    7.
    发明授权
    Steering device for rear vehicle wheels 失效
    后车轮转向装置

    公开(公告)号：US5257191A

    公开(公告)日：1993-10-26

    申请号：US765529

    申请日：1991-09-25

    申请人： Shin Takehara ,  Ryuya Akita ,  Hiroshi Ohmura

    发明人： Shin Takehara ,  Ryuya Akita ,  Hiroshi Ohmura

    IPC分类号： B62D7/14 ,  B62D7/15

    CPC分类号： B62D7/1581 ,  B62D7/148

    摘要： A device for steering the rear wheels of a vehicle has a first motor controlled at least with respect to the steering angle of the steering wheel, a gear change mechanism for changing gear ratios, a second motor for controlling the gear ratio by driving the gear change mechanism, a steering mechanism for steering the rear wheels by transmitting a portion of the force equal to the product of the amount that the first motor is driven and the amount that the second motor is driven, a motor failure determination device for detecting motor failure when the amount that either of the first or second motors is driven is zero and the other of the motors is operated, and a control device for controlling both motors so that when motor failure is detected in one of the motors, the amount that the other motor is driven is brought to zero. The steering device may further have a sensor for detecting the steering angle of the rear wheels, and a sensor failure detecting device which monitors the steering angle detected by the sensor, and detects a failure of the sensor when the steering angle of the rear wheel changes although the amount that one of the motors is driven is zero. Also disclosed is a process for steering the rear wheels of a vehicle.

    Suspension control system cooperated with steering control system for vehicle
    8.
    发明授权
    Suspension control system cooperated with steering control system for vehicle 失效
    与车辆转向控制系统相结合的悬架控制系统

    公开(公告)号：US5116078A

    公开(公告)日：1992-05-26

    申请号：US608981

    申请日：1990-11-05

    申请人： Hirotaka Kanazawa ,  Shin Takehara ,  Hiroshi Ohmura

    发明人： Hirotaka Kanazawa ,  Shin Takehara ,  Hiroshi Ohmura

    IPC分类号： B60G17/015 ,  B60G17/016 ,  B62D6/02 ,  B62D7/14 ,  B62D7/15

    CPC分类号： B62D7/159 ,  B60G17/0163 ,  B60G2202/154 ,  B60G2400/102 ,  B60G2400/204 ,  B60G2400/206 ,  B60G2400/252 ,  B60G2400/41 ,  B60G2400/50 ,  B60G2400/5122 ,  B60G2400/60 ,  B60G2400/91 ,  B60G2500/10 ,  B60G2500/22 ,  B60G2500/30 ,  B60G2600/14 ,  B60G2600/16 ,  B60G2800/012 ,  B60G2800/014 ,  B60G2800/24

    摘要： A vehicle control system includes an active suspension mechanism for providing a rolling property of a vehicle in a cornering operation of the vehicle and a suspension control device for controlling the vehicle in accordance with the rolling property provided by the active suspension mechanism and changing from one rolling property to another. A rear wheel steering mechanism steers a rear wheel in connection with steering of a front wheel, and a steering control device controls the steering of the rear wheel in accordance with a predetermined steering property and changes the steering property for the rear wheel. One of the steering property and the rolling property is changed in synchronism with a change in the other of the steering property and the rolling property. When a reverse phase property is provided for the rear wheel as a steering property and a reverse rolling property is provided for the active suspension system, the visibility of the cornering direction and the operability are improved to accomplish an active operation property. Alternatively when a same phase property is provided for the rear wheel as a steering property, the running stability can be improved.

    摘要翻译： 车辆控制系统包括用于在车辆的转弯操作中提供车辆的滚动性能的主动悬挂机构和根据主动悬架机构提供的滚动特性来控制车辆的悬架控制装置，并且从一个滚动 财产到另一个。 后轮转向机构与前轮的转向相关联地转向后轮，并且转向控制装置根据预定的转向属性来控制后轮的转向，并改变后轮的转向性能。 转向属性和滚动属性之一与转向属性和滚动属性中的另一个的变化同步地改变。 当为后轮提供反相特性作为转向属性并且为主动悬架系统提供反向滚动特性时，提高了转弯方向的可视性和可操作性，以实现主动操作性能。 或者，当为后轮设置相同的相位特性作为转向属性时，可以提高行驶稳定性。

    Electric power steering system for vehicle
    9.
    发明授权
    Electric power steering system for vehicle 失效

    公开(公告)号：US06598699B2

    公开(公告)日：2003-07-29

    申请号：US09903677

    申请日：2001-07-13

    申请人： Shin Takehara ,  Kiyoshi Sakamoto

    发明人： Shin Takehara ,  Kiyoshi Sakamoto

    IPC分类号： B62D504

    CPC分类号： B62D5/0463 ,  B62D5/0466

    摘要： An electric power steering system determines an assist control quantity for assist control by multiplying a turning torque applied to a steering wheel by a control gain, a damping control quantity for damping control by multiplying a rotational speed of motor by a control gain and a feedback control quantity for steering angle feedback control from a deviation between a target rotational speed of motor determined on the basis of the turning torque and an actual rotational speed of motor, and controls an electric motor with a motor control quantity that is determined on the basis of the assist control quantity, the damping control quantity and the feedback control quantity.

    Electric power steering apparatus for motor vehicle
    10.
    发明授权
    Electric power steering apparatus for motor vehicle 有权

    公开(公告)号：US06564898B2

    公开(公告)日：2003-05-20

    申请号：US09922789

    申请日：2001-08-07

    申请人： Shin Takehara ,  Kiyoshi Sakamoto

    发明人： Shin Takehara ,  Kiyoshi Sakamoto

    IPC分类号： B62D504

    CPC分类号： B62D3/123 ,  B62D5/0421

    摘要： In an electric power steering apparatus for a motor vehicle comprising a rack shaft (1) provided with first and second rack portions (14 and 15), a pinion (21) of a steering shaft for meshing with the first rack portion (14), and a pinion (31) of an electric motor (34) for meshing with the second rack portion (15), the first rack portion (14) is constructed to have a constant gear ratio and the second rack portion (15) is constructed to have a variable ratio so that an abnormal feeling during a steering operation is prevented and the lock to lock of a steering wheel is reduced to a small value.