A new designed total pressure control valve,which can keep the sum of high and low pressures of actuating cylinder be a constant and also make the two chambers pressures be controllable,was added to the classic pump controlled electro-hydraulic actuator(EHA)to enhance its natural frequency.
针对经典泵控电液作动器固有频率低的问题,对原系统增加了一个新设计的总压力控制阀,它可保证作动筒两个工作腔的压力之和始终为一常数并使两腔压力可控,从而使泵控系统达到和阀控系统相当的固有频率。
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