PMSM无速度传感器最优转矩控制系统的研究  

Study of sensorless optimal torque control system for PMSM

作　　者：侯利民[1,2] 张化光[1] 刘秀翀[1] 褚恩辉[1] 王强[1] 

机构地区：[1]东北大学信息科学与工程学院,沈阳110004 [2]辽宁工程技术大学电气与控制学院,葫芦岛125105

出　　处：《仪器仪表学报》2009年第4期706-710,共5页Chinese Journal of Scientific Instrument

基　　金：国家自然科学基金(60774048);国家高技术研究发展计划(863)重点项目(2006AA04Z183)资助

摘　　要：针对永磁同步电机自身特点及转子位置和速度检测问题,采用最优转矩控制策略,提出了将脉振高频电压信号注入法和模型参考自适应法有机结合的新型无速度传感器的复合方法,设计了PMSM无速度传感器的SVPWM最优转矩控制系统。通过设计速度切换方案,实现速度的平稳过渡。此复合方法解决了单一方法不能在全速度范围内同时兼顾良好的动态、稳态性能的问题。仿真结果表明:该方法能可靠地实现包括初始磁位在内的转子位置和速度的精确检测和控制,系统具有优良的动态、稳态性能。The problems of rotor position and speed detection in permanent magnet synchronous machine （PMSM） are studied in this paper. A novel compound rotor position self-sensing method is proposed and applied to SVPWM vector control system, which adopts optimal torque control strategy. The method is an organic combination of the fluctuating high frequency voltage signal injection method and model reference adaptive method. A speed-switcher is designed to realize the smoothly switching between the speed. This method can guarantee satisfactory balance between steady and dynamic states, which cannot be obtained using each of the methods. Simulation results illustrate that the proposed method can reliably realize the precise detection and control of the rotor position and speed, including initial position; and the system has good performance both in steady and dynamic states.

关 键 词：永磁同步电机 最优转矩控制 脉振高频电压信号 模型参考自适应 

分 类 号：TP341[自动化与计算机技术—计算机系统结构]