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    • 5. 发明授权
    • Suspension apparatus for a vehicle
    • 车辆悬挂装置
    • US5301111A
    • 1994-04-05
    • US007814
    • 1993-01-22
    • Yoshihiko UtsuiMasahiro TadoHidehiko SugimotoShunichi Wada
    • Yoshihiko UtsuiMasahiro TadoHidehiko SugimotoShunichi Wada
    • B60G17/015B60G17/018
    • B60G17/0157B60G17/018B60G2202/422B60G2400/102B60G2400/204B60G2400/206B60G2400/252B60G2400/31B60G2400/34B60G2400/41B60G2400/44B60G2400/91B60G2500/10B60G2600/02B60G2600/602B60G2600/604B60G2800/012B60G2800/014B60G2800/18B60G2800/22B60G2800/24
    • An improved support apparatus such as a suspension apparatus for a vehicle is disclosed which has excellent response characteristics, can save power consumption and has excellent vibration-isolating capacity for isolating the transmission of high-frequency vibrations from a support member such as a road wheel to an object such as the body of a vehicle. To these end, in one embodiment, a linear motor is disposed between the object and the support member for telescopically supporting the object under magnetic effects. A position sensor senses the position of the object relative to a reference position. A low-pass filter filters high-frequency components of the output signal of the position sensor above a prescribed upper frequency limit. Based on the output signals of the position sensor and the low-pass filter, the current supply to the linear motor is controlled in such a manner as to offset a change in the output signal of the low-pass filter. In another embodiment, an elastic member is further disposed between the object and the support member in parallel with the linear motor for elastically supporting the object on the support member. A high-pass filter filters low-frequency components of the output signal of the position sensor below a prescribed lower frequency limit. Based on the output signal of the high-pass filter, a correction is calculated for offsetting a change in the operating force of the elastic member. The current supply to the linear motor is controlled based on a change in the output signal of the low-pass filter and the correction thus calculated.
    • 公开了一种改进的支持装置,例如用于车辆的悬挂装置,其具有优异的响应特性,可以节省功率消耗,并且具有优异的隔振能力,用于将高频振动的传输从诸如路车的支撑构件隔离到 诸如车辆的车身的物体。 为此,在一个实施例中,线性马达设置在物体和支撑构件之间,用于在磁力作用下可伸缩地支撑物体。 位置传感器感测对象相对于参考位置的位置。 低通滤波器将位置传感器的输出信号的高频分量滤除在规定的上限频率以上。 基于位置传感器和低通滤波器的输出信号,线性电动机的电流供给被控制为抵消低通滤波器的输出信号的变化。 在另一个实施例中,弹性构件进一步设置在物体和支撑构件之间,与线性电动机平行,用于将物体弹性地支撑在支撑构件上。 高通滤波器将位置传感器的输出信号的低频分量滤波到低于规定的下限频率。 基于高通滤波器的输出信号,计算用于抵消弹性构件的操作力的变化的校正。 基于低通滤波器的输出信号的变化和如此计算的校正来控制对线性电动机的电流供应。