The gear clearance in the driving device of the electromechanical servo system shall affect not only the servo accuracy of the system but also its stability.

机电伺服系统的齿轮传动装置，其齿隙不仅影响系统的伺服精度，更影响系统的稳定性。

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Inherency frequency of servomechanism is to have an influence on the key parameters of servo accuracy and response capability, and demands the calculation of inherency frequency in the design stage.

伺服机构固有频率是影响伺服系统伺服精度、响应能力的重要参数，在设计阶段就需要对伺服机构的固有频率进行计算。

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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.

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。

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