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针对异步电动机调速系统的非线性和结构参数易变等特点,采用矢量变换,将模糊控制和PID控制结合起来,建立了模糊自适应PI调速系统的双闭环模糊控制仿真模型,对异步电动机模型参数进行分析整定。MATLAB仿真结果表明该控制器与常规PID相比较,具有良好的稳态精度和自适应能力,没有超调和振荡,明显改善了系统的动态性能,并且具有较强的鲁棒性,为煤矿安全生产发挥了重要的作用。
Aiming at the characteristics of asynchronous motor speed control system such as the variability of nonlinearity and structural parameters, vector control is combined with fuzzy control and PID control to establish a double closed-loop fuzzy control simulation model of fuzzy adaptive PI speed regulation system. Asynchronous motor Model parameters analysis and tuning. The simulation results of MATLAB show that compared with the conventional PID, the controller has good steady-state accuracy and self-adaptive ability without overshoot and oscillation, obviously improving the dynamic performance of the system and having strong robustness, Played an important role.