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.
实验结果表明，当伺服放大器增益和输入信号的幅值较大时都有可能促成系统的相位突变。
The experiment results show that phase phenomena are probably caused while the servo amplifier gain and the amplitude of input signal increase to some extent.
文章在分析超精密数控机床误差模型的基础上，将变增益交叉耦合控制算法引入超精密数控机床的伺服控制。
On the basis of analysis on error model of ultra precision CNC machine tool, the variant gain cross coupling control algorithm is introduced into the servo control of ultra precision CNC machine tool.
介绍了应用在机载雷达伺服系统中的常增益滤波法的原理，以及实现模型和算法参数的选择方法。
This paper presents the principle of fix-gain filter to airborne radar servo system, the model of realizing, and the method of selecting parameters of the model.
结合设计实例详细论述了通信延时对雷达伺服系统跟踪精度的影响，提出了采用常增益滤波法的解决方案，并通过仿真和试验结果加以验证。
This paper discusses the effect of communication delay on radar servo systems track precision based on an engineering design, and offers a solution which applies fixed-gain filter.
针对电液伺服速度系统的非线性和参数时变特性，提出了模糊增益调度控制方法。
Considering the nonlinear and the parameters variability, which vary widely with the working condition in the electro-hydraulic servo velocity system, fuzzy gain scheduling controller was developed.
在对数控机床进给伺服系统进行动态分析的基础上，根据劳斯判据得出了系统稳定的条件，为数控系统的选择和位置增益的调整提供了理论基础。
This article has obtained the stable condition of the system according to the Routh criterion and provided a theoretical basis for the choice of CNC system and the adjustment of position gain.
由于DAC和齿轮减速比都影响着伺服系统的开环增益，当系统开环增益一定时，DAC位数的实际作用和减速比的选择相互限制，在设计雷达伺服系统中需注意。
When the open-loop gain of servo system is determined, the selection of DAC resolution and gear ratio is restricted each other and should be paid much attention in the design of servo system.
本文提出了一种简单的变增益PI控制器，并应用于液压伺服位置系统的控制。
This paper presents a simple gain-variable PI controller used for hydraulic servo system control.
实验结果表明，直线电动机的伺服刚度只受位置环比例增益的影响较大，而其它的控制参数对伺服刚度幅值影响不大。
The result presents that the servo rigidity is more influenced by proportion plus of position loop than by other parameters.
伺服运转中发生错误(马达处于震动状态)：请再调整增益。
If the error occurs while the servo is ON (the motor is vibrating) : Please re-adjust the gain.
伺服运转中发生错误(马达处于震动状态)：请再调整增益。
If the error occurs while the servo is ON (the motor is vibrating) : Please re-adjust the gain.
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