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    • 3. 发明公开
    • Method for controlling an MR-fluid hydraulic mount connected to a vehicle engine
    • Verfahren zur Steuerung eines mit einem Fahrzeugmotor verbundenen magnetorheologischen Fluidlagers
    • EP2113681A2
    • 2009-11-04
    • EP09158466.4
    • 2009-04-22
    • Delphi Technologies, Inc.Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    • Bodie, Mark O.Barta, David J.Brobeil, ThorstenUjhasi, MarcoKoch, Thorsten
    • F16F13/30F16F15/00
    • F16F13/305F16F15/002
    • A method of the invention is for controlling an MR-fluid hydraulic mount (12) connected to a vehicle engine. The mount includes an internal MR-fluid cavity (14). The mount includes a partition plate assembly (16) partitioning the cavity into first and second MR-fluid chambers (18,20). The partition plate assembly has an orifice (40) extending from the first MR-fluid chamber to the second MR-fluid chamber. The mount includes an electric coil (42) positioned to magnetically influence the orifice. The method includes, when the vehicle engine is at idle, determining a reference pressure as a fluid pressure within the second MR-fluid chamber. The method includes, when the vehicle engine is above idle, determining a command electric current to be applied to the electric coil using at least a difference between the reference pressure and a current fluid pressure within the second MR-fluid chamber. The method includes applying the command electric output current to the electric coil.
    • 本发明的一种方法是用于控制连接到车辆发动机的MR液体液压支架(12)。 安装件包括内部MR流体腔(14)。 安装座包括将空腔分成第一和第二MR流体室(18,20)的分隔板组件(16)。 分隔板组件具有从第一MR流体室延伸到第二MR流体室的孔口(40)。 安装件包括定位成磁力影响孔口的电线圈(42)。 该方法包括当车辆发动机处于空转状态时,将参考压力确定为第二MR流体室内的流体压力。 该方法包括:当车辆发动机处于空转状态时,使用第二MR流体室内的参考压力和当前流体压力之间的至少差异来确定施加到电线圈的指令电流。 该方法包括向电线圈施加指令电输出电流。
    • 4. 发明公开
    • Control method for vehicle suspension system
    • Verfahren zum Steuern einesFahrzeugaufhängungssystems
    • EP1705039A1
    • 2006-09-27
    • EP06075562.6
    • 2006-03-09
    • Delphi Technologies, Inc.
    • Barta, David J.
    • B60G17/08
    • B60G17/08B60G2400/202B60G2400/206
    • A first method for differentiating between a wheel event and a body event in a control algorithm for a controllable suspension damper for a vehicle wheel. An input signal corresponding to the vertical velocity of the vehicle wheel is obtained. The input signal is filtered to obtain an output signal. The frequency of the input signal is determined using the input and output signals. Another step includes distinguishing between a wheel event and a body event using the determined frequency. A second method for controlling a controllable suspension damper for a vehicle wheel includes the first three steps of the first method. Another step includes applying a vehicle-wheel-event control signal to the controllable suspension damper for at least some determined frequencies greater than a predetermined low value. Another step includes applying no vehicle-wheel-event control signal to the controllable suspension damper if the determined frequency is below the predetermined low value.
    • 用于在用于车辆车轮的可控悬挂阻尼器的控制算法中区分车轮事件和车身事件的第一种方法。 获得与车轮的垂直速度对应的输入信号。 输入信号被滤波以获得输出信号。 使用输入和输出信号确定输入信号的频率。 另一步骤包括使用确定的频率来区分车轮事件和身体事件。 用于控制用于车轮的可控悬挂阻尼器的第二种方法包括第一种方法的前三个步骤。 另一步骤包括将车轮事件控制信号应用于可控制的悬架阻尼器,其中至少一些确定的频率大于预定的低值。 如果所确定的频率低于预定的低值,另一步骤包括不将车轮事件控制信号施加到可控制的悬挂阻尼器。