某同源平衡及定位电液伺服系统模糊分数阶PID控制

针对某同源平衡及定位电液伺服系统,设计了一种用于该系统的模糊分数阶PID控制器。使用模糊规则来调节分数阶PID的参数,提高了分数阶PID控制器的响应速度,增强了分数阶PID鲁棒性。模糊分数阶PID控制器能使系统很快进入稳定状态,比分数阶PID控制器表现出较好的控制性能。通过半实物仿真实验可知模糊分数阶PID控制器在响应速度、超调量及稳定误差等方面均优于分数阶PID控制器,且对外部负载扰动具有较好的鲁棒性。

A Homologous Balance and Positioning Servo System of Fuzzy Fractional Order PID Control

For a homologous balance and position electro -hydraulic servo system, a fuzzy fractional order PID controller is designed. By using fuzzy rules to regulate the parameters of fractional order PID controller,the system can be into a stable state quickly. At the same time,the response speed and robustness of the system can be improved. Thus,the fuzzy fractional order PID controller has a better control performance than fractional PID controller. Hardware in the loop (HWIL) simulation experiment is designed and shows that the fuzzy fractional order PID controller is better than fractional order PID controller in terms of response speed,overshoot and steady-state error,and especially robustness of external load disturbances.