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    • 8. 发明专利
    • Electric suspension control apparatus
    • 电动悬挂控制装置
    • JP2013154843A
    • 2013-08-15
    • JP2012018947
    • 2012-01-31
    • Hitachi Automotive Systems Ltd日立オートモティブシステムズ株式会社
    • RI TOMOYUKIUCHIUMI NORIYUKIUCHIYAMA MASAAKI
    • B60G17/00B60G17/016
    • B60G17/0157B60G2202/42B60G2400/102B60G2400/104B60G2400/106B60G2400/204B60G2400/41B60G2500/20
    • PROBLEM TO BE SOLVED: To provide an electric suspension control device that can reduce a heating value of an electric actuator.SOLUTION: In each suspension device, a thrust force of electric actuators 6 and 9 is adjusted by a thrust force command value that a controller 27 outputs. The controller 27 distributes a required thrust force value that is a calculated value by a required thrust force calculation part 28, to a low frequency zone and a high frequency zone by a low frequency filter 29 and a high frequency filter 30. Output values of the low frequency filter 29 and the high frequency filter 30 are amplitude-limited by a low frequency limiter 31 and a high frequency limiter 32, respectively. Output values of the low frequency limiter 31 and the high frequency limiter 32 are added in an adding part 33, and the added value is output into an inverter 26 as a thrust force instruction value. In this case, a limit value of the low frequency limiter 31 is set to be smaller than a limit value of the high frequency limiter 32.
    • 要解决的问题:提供一种能够降低电致动器的发热值的电动悬架控制装置。解决方案:在每个悬架装置中,电动执行器6和9的推力通过推力指令值来调节,控制器 27个输出。 控制器27通过低频滤波器29和高频滤波器30将所需的推力计算部28的计算值所需的推力值分配给低频区域和高频区域。输出值 低频滤波器29和高频滤波器30分别被低频限幅器31和高频限幅器32限幅。 低频限幅器31和高频限幅器32的输出值相加在加法部33中,作为推力指令值输出到逆变器26。 在这种情况下,低频限幅器31的极限值被设定为小于高频限制器32的限制值。