说明：  为了在现代异步电机高性能调速系统中实现磁链的准确观测，提出了一种基于模型参考方法的自适应转子磁链观测器。PMSM
(Primary system file for the Real Implementation of Sensored Field Orientation Control for Three Phase Permanent-Magnet Synchronous Motor (PMSM) )