Sensorless Position and Speed Estimation with Improved Integrator for PMLSM Drive

摘要：

This paper describes a sensorless position and speed detection algorithm designed for permanent magnet linear synchronous motor (PMLSM) drive. Measured line currents and terminal voltages are used to estimate the flux of the α-β axis in stator frame, integrating the back electromotive force (EMF). Position and speed signals are derived from angle of the flux linkage and its change rate. A new improved integrator is presented and analyzed for compensate DC offsets and drift, which invariably exist in any practical implementation based on combination of low-pass filter, highpass filter and PI regulator. Experimental results are presented to show the realization of the objectives.

作者: Huacai Lu Manhua Li Yuetong Xu

作者单位: Anhui Provincial Key Laboratory of Electric and Control,Anhui University of Technology and Science,W Modern Education Center of Anhui University of Technology and Science,Wuhu 241000,China Zhejiang Province Key Lab of Advanced Manufacturing Technology,Zhejiang University,Hangzhou 310027,C

会议类型: 国际会议

会议名称: 2009 IEEE International Conference on Information and Automation(2009年 IEEE信息与自动化国际学术会议)

会议地点: 珠海、澳门

会议语种:英文

页码: 380-384

在线出版日期: 2009-06-22（万方平台首次上网日期，不代表论文的发表时间）