【摘要】 针对偏磁式消弧线圈很难实现对消弧线圈的精确控制,提出了基于PID的控制系统。通过对偏磁式消弧线圈机理的分析,建立了该系统的数学模型,并且利用遗传算法对PID控制器的参数进行了优化。通过M atlab仿真比较该系统和传统开环系统的阶跃响应,说明该系统具有较快的响应速度、较高的精度和较强的鲁棒性。更多还原

【Abstract】 It is difficult for arc-suppression-coil with magnetic bias to control accurately.PID based control system is presented.Through analyzing the mechanism of the system,its mathematical model is set up.The PID controller parameters are optimized by using Genetic algorithm.The result of step response of the proposed system is compared with the conventional opened-loop control system through MATLAB simulation.The simulation results show that the proposed system has fast response rate,high precision and strong robustness.更多还原