阐述了永磁同步电机的矢量控制原理、准线性化解耦，交流电流控制方式和伺服增益调整方法。
The vector control principle of the PMSM, the realization of the current control for SPWN inverter by quasi-linear decoupling, and a comparison between the AC and DC current control are described.
论文第二章以简化的位置伺服系统数学模型为基础，讨论了运动轨迹系统的伺服增益设计与轮廓误差的关系。
The chapter 2 discusses the relation between servo gain and contour error for motion path system based-on simplifying position servo system math model.
在伺服阀静态特性方面，完成了伺服阀的压力增益特性、空载流量特性、负载流量特性及泄漏特性的测试。
In static state characteristic test, pressure gain characteristic, runoff characteristic with load, runoff characteristic without load and leakage characteristic are completed.
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