在上述基础上，本文设计了一个具有机端电压反馈和转速偏差反馈的双环非线性PID控制器。
Based on forenamed knowledge, the paper designs a double-loop NPID excitation controller, which has parallel feedback of voltage and error of rotate-speed.
设计的模糊控制器以电机的转速偏差及转速偏差率为输入，输出量用于控制斩波调速时的导通角。
The fuzzy logic controller designed in this study determines the required angular used in the DC chopper control based on motor speed error and its change.
提出了一种新的改进的粒子群优化算法，并以水轮机转速偏差的加权ITAE指标作为改进粒子群优化算法的适应度函数。
An improved particle swarm optimization (PSO) algorithm was designed. And a weighted ITAE index of turbine speed error was taken as the fitness function of the improved PSO algorithm.
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