无刷直流电机的一种预测控制方法  

A Prediction Control Method for Brushless DC Motor

作　　者：王妍哲[1] 程冰[2] 卢秀和[2] 刘超[2] 

机构地区：[1]吉林长春市长春工程学院,吉林长春市长春工业大学130012 [2]吉林长春市长春工业大学,130012

出　　处：《微计算机信息》2006年第11S期76-78,共3页Control & Automation

摘　　要：在分析直流无刷电机工作原理的基础上,本文依据电机学理论和采用坐标变换的方法,通过检测定子电压和电流并经过坐标变换处理,依据无刷直流电机的电压回路方程给出了一种进行转子角位移和角速度的递推预测控制方法,并利用误差补偿控制较好地解决了接近目标値时预测精度的问题,为实现无刷直流电机无位置传感器的闭环控制系统提供了一种可借鉴的理论控制方法。仿真结果表明,该方法具有良好的转速、位置预测精度。A control method of increase by degrees for angle displacement and angle velocity of rotor was presented in this paper according to the theory of motor and the method of coordinate counterchange,based on the principle analysising of sensorless brushless dc motor.And it was done by dectecting the voltage and current of motor and by coordinate counterchange and based on the equation of dc motor＇s voltage loop,It solved the problem of prediction precision preferably when the actual value is closed to the objeet＇s by error compensation control and it provide a theory control method used for reference to implement the closed-loop control for sensorless brushless dc motor.At the same time it has the good prediction precision to rotation speed and position proved by simulation subsequently.

关 键 词：无刷直流电机 坐标变换 位置预测 误差补偿 

分 类 号：TP273.1[自动化与计算机技术—检测技术与自动化装置]