基于扩展卡尔曼滤波算法的感应电机定子磁链观测器设计  

Design of Stator Flux Observer for Induction Machine Based on Extended Kalman Filter

作　　者：张金良 赵小坤 李乐荣 ZHANG Jin-liang;ZHAO Xiao-kun;LI Le-rong(Guangzhou Automobile Group Co.,Ltd.,Automotive Engineering Institute,Guangzhou 510640,China)

机构地区：[1]广州汽车集团股份有限公司汽车工程研究院,广东广州510640

出　　处：《机电工程技术》2017年第6期130-133,共4页Mechanical & Electrical Engineering Technology

基　　金：国家科技支撑计划课题(编号:2011BAG02B02)

摘　　要：为了提升感应电机定子磁链的辨识精度,设计了基于扩展卡尔曼滤波算法的感应电机定子磁链观测器,并应用到感应电机无传感器直接转矩控制系统中。在Matlab/Simulink中构建感应电机无传感器直接转矩控制系统进行仿真,仿真结果表明所设计的观测器能够对感应电机定子磁链进行有效辨识。In order to improve the observation accuracy of stator flux of induction machine,a stator flux observer based on extended Kalman filter(EKF)is designed and applied for sensor less direct torque control system in this paper.Simulation results verify the performance of the designed stator flux estimator.

关 键 词：感应电机 卡尔曼滤波算法 定子磁链 观测器 

分 类 号：TM351[电气工程—电机]