基于Fuzzy-PI的BLDCM控制系统的研究  

Study of BLDCM Control System Based on Fuzzy-PI

作　　者：周广旭[1] 章松发[1,2] 宋森森[1] 李珍国[2] 

机构地区：[1]山东省科学院自动化研究所,济南250014 [2]燕山大学,河北秦皇岛066004

出　　处：《电气技术》2011年第11期15-19,共5页Electrical Engineering

基　　金：山东省自然科学基金（ZR2010EL029）

摘　　要：无刷直流电机(BLDCM)以其效率高、噪声低、易维护等优点在工业控制的各个领域得到越来越广泛的应用。但BLDCM是一个高阶、强耦合的系统,有的领域对控制系统的要求越来越高,采用传统PI控制方法,难以达到理想的控制效果。因此,本文以数字信号处理器(DSP2812)为核心建立控制平台,主要研究的是基于Fuzzy-PI控制的BLDCM控制系统。介绍了无刷直流电机的基本组成、基本运行原理及其调速方法,给出了无刷直流电机的数学模型。在MATLAB中,利用M文件实现BLDCM传统电流环、转速环和模糊PI转速环控制系统的仿真。仿真结果表明,系统超调量小,具有较高的控制精度和较好的鲁棒性,从而验证所用控制方法的可行性。Brushless dc motor （BLDCM） with its high efficiency, low noise, easy maintenance in industrial control of each areas to be more and more widely. But BLDCM is a high order, strong coupling, and now the system of control system demand is higher and higher, used the traditional PI control method, it is difficult to achieve the ideal control effect. Therefore, in this paper, the digital signal processor （DSP2812） as the core establish control platform, the main research is based on Fuzzy PI control-of BLDCM control system. Introduction of brushless dc motor basic composition, basic operation principle and its control method are given, brushless dc motor of the mathematics model. In MATLAB, use M-file realize traditional current loop, rotational speed BLDCM ring and fuzzy PI speed loop control system simulation. The simulation results show that the system is small overshoot, has the high control accuracy and good robustness, which validated the control the feasibility of the method.

关 键 词：无刷直流电机 模糊PI 数字信号处理器 仿真 

分 类 号：TM33[电气工程—电机]