无刷直流电机单神经元PI控制器的设计

Design of Single-neuron PI Controller in Timing System for DC Brushless Motor

研究了一种基于专家系统的单神经元PI控制器,并将其应用于无刷直流电机调速系统中。控制器实现了PI参数的在线调整,在具有PID控制器良好动态性能的同时,减少微分项对系统稳态运行时的影响,并较好地克服了无刷直流电机非线性、参数易变的影响。仿真结果表明,基于专家系统的单神经元PI控制器自适应能力好,响应快,鲁棒性强,系统静态和动态特性良好。

One kind of single-neuron PI controller based on expert system was proposed.This kind of controller is used in the timing system for DC brushless motor.Regulating the parameters of the PID,the controller can reduce the effect brought by differential item which is harmful to the static performance of system.Also the controller has the good dynamic performance such as the PID controller.The controller can conquer the problem such as non-linear and parameter variety of brushless DC motor.The simulation results show that the single-neuron PI controller based on expert system has high robustness and adaptive ability and the system has good static and dynamic performance.