The performance of electrohydraulic servomechanism has been analyzed . the clutch operation mechanism driven by dc servomotor was put forward 分析高速开关阀控制液压缸系统的性能缺点，提出采用直流伺服电机作为离合器执行机构。
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The mathematic models of dc servomotor and clutch operation mechanism have been built . and controller has been designed . simulation results indicate that the operation mechanism and controller has good performance 建立了伺服电机数学模型和基于膜片弹簧的离合器机械执行系统模型，设计了伺服电机驱动离合器执行机构及控制器，仿真结果表明，采用本文设计的离合器执行机构及控制器，响应快，控制精度高，满足车辆起步的要求。
