基于参数自整定模糊PID的BLDC控制研究

Research on BLDC Control Based on ParametricAutotuning Fuzzy PID

为解决传统PID控制在无刷直流电机调速系统中的控制精度低、效果不佳等问题,设计了一种基于参数自整定模糊PID控制的调速系统。通过在Matlab/Simulink仿真软件中建立了无刷直流调速系统的模型,分别采用传统PID控制、模糊PID控制和参数自整定模糊PID控制来对转速环进行调控,而电流环则采用PID控制。通过对比研究结果发现,采用参数自整定模糊PID控制的调速系统具有许多优势。系统的超调量较小,控制效果较好,同时提高了系统的鲁棒性。通过搭建模型并进行仿真实验,证明了采用参数自整定模糊PID控制的调速系统在解决无刷直流电机调速系统控制精度低、效果不佳等问题方面具有优势。这一方法能够有效提升系统的控制性能,并增强系统的鲁棒性。该无刷直流电机的调速系统可以稳定、可靠运行,满足使用需求。

A speed control system based on parameter self-tuning fuzzy PID control was designed to solve the problems of low control accuracy and poor effect of traditional PID control in the speed control system of brushless DC motor.The brushless DC speed control system was modelled in Matlab/Simulink simulation software,and traditional PID control,fuzzy PID control and parametric self-tuning fuzzy PID control were used to regulate the speed loop respectively,while PID control was used for the current loop.The results of the comparative study revealed that the speed control system using parametric self-tuning fuzzy PID control has many advantages.The overshoot of the system is smaller and the control effect is better,while the robustness of the system was improved.Through building models and conducting simulation experiments,it is demonstrated that the speed control system using parametric self-tuning fuzzy PID control has advantages in solving the problems of low control accuracy and ineffectiveness of the brushless DC motor speed control system.This method can effectively improve the control performance of the system and enhance the robustness of the system.This speed control system for brushless DC motors can operate stably and reliably to meet the usage requirements.