无位置传感器车载冷凝风扇无刷直流电机控制系统研究  

Research on Sensorless Control System of Brushiess DC Motor Used for Vehicle-mounted Condenser Fan

作　　者：杨婧 高江魁 

机构地区：[1]成都华川电装有限责任公司,四川成都610106 [2]西南交通大学电气工程学院,四川成都610031

出　　处：《自动化信息》2014年第8期41-43,共3页Automation Information

摘　　要：无刷直流电机因其具有结构简单、调速灵活的优点而被用于多种行业，尤其在汽车电子领域得到了广泛的应用。本文对该电机的工作原理和数学模型进行分析与研究，重点讨论了起动及负载突变时电机的控制策略。通过Madab／Simulink进行验证分析，仿真结果表明，所建立的模型具有非常良好的可用性和稳定性。Brushless DC motor has been widely applied to the various industries due to its merits of simple structure and flexible speed control, especially in the field of automotive electronics. In this paper, the working principle and mathematical models of the brushless motor are analyzed and researched with the emphasis on the discussions of the motor＇s control strategies while it is in starting and sudden load change. The models are verified and analyzed by means of Matlab/Simulink, the simulation results indicate that the established models are of well availability and stability.

关 键 词：直流无刷电机 反电势 过零点 三段式启动 换相 

分 类 号：TM33[电气工程—电机]