The frequency variation of electrical power system would have effect the veracity of electric parameter evaluation, and possibility effect characteristic of automatic equipment.
工频频率变化会影响电量计算的准确性，甚至会影响到电力自动化装置的工作性能。
At the same time, a robust adaptive controller is designed to make the servo system be robust to the parameter variation since the parameters of the servo system are time-varying.
同时针对控制系统的参数时常变化的特点，设计了鲁棒自适应控制器提高伺服系统对参数变化的鲁棒性。
It avoids identifying parmeter on line and can give a rather accurate servo tracking result and is fairly robust to system parameter variation and load disturbance.
该系统具有较高的伺服跟踪精度和较强的鲁棒性，无需在线辨识。
As to the horizon motion system of Bridge Crane is a nonlinear, variation parameter and strong coupling system, the nonlinear PID controller is used for positioning and anti-swing.
针对桥式吊车水平运动系统是一个非线性、变参数、强耦合的对象，采用非线性PID控制器进行定位和防摆控制。仿真实验结果表明，系统具有良好的动态、静态特性和强的鲁棒性。
In view of the speed response requirement and the parameter time-variation of electro-hydraulic position servo system, the PID controller and the fuzzy controller are designed respectively.
针对电液位置伺服系统的快速性要求和参数时变性的特点，分别设计了PID控制器和模糊控制器。
In view of the speed response requirement and the parameter time-variation of electro-hydraulic position servo system, the PID controller and the fuzzy controller are designed respectively.
针对电液位置伺服系统的快速性要求和参数时变性的特点，分别设计了PID控制器和模糊控制器。
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