limit-cycle method 极限环法
The first one is about how to build the connection between describing function method and phase plane method through limit cycle analysis.
第一个是关于如何通过极限环分析建立描述函数法与相平面法之间联系；
To compensate for this effect, a method is proposed in which velocity feedback signal is added to the original controller to reduce the limit cycle amplitude.
为补偿间隙的影响，本文提出了在不改变原有的控制器基础上，通过引入速度反馈而减小间隙极限环的方法。
The method of weakening integral when meeting limit is used in the common rail pressure PID control. The sampling cycle is obtained from the stepping curve, and many factors are considered.
在系统共轨管油压的控制中引入遇限制削弱积分法，采样周期是从试验测出的阶跃响应曲线获取的，并考虑诸多的影响因素。
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