本文从工程实际出发，分析了影响电液位置伺服系统精度误差的来源，并对各主要因素作了定量的分析计算。
This paper analyzes the sources of effecting the error of the accuracy in electrohydraulic position servo system, and carries out quantitative analysis and calculation to main factors.
在考虑不同误差属性的基础上，给出了脱靶量测量误差在伺服控制系统中的传递方法。
Based on the attributes of different errors, the method for transferring miss distance measurement error in servo control system is given.
仿真结果表明，采用这种控制策略可以十分有效地减小中凸变椭圆活塞直线伺服驱动系统的跟踪误差。
The simulation results show that the tracking error of middle-convex and varying ellipse piston linear servo drive system can be reduced effectively by this method.
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