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????? [1] LI Yudong, et.al.Sensorless Control of PMSM Based on Low-Frequency Current Signal Injection in the Direct Axis at Low and Zero Speed. Applied Mechanics and Materials, 2012,Vol.143-144:103-107. [2] ÀîÓñ¶«£¬ÀîÇàµÈ.Ë«±äÁ¿½»-½»±äƵÆ÷µ÷ËÙÁ¿»¯¿ØÖÆËã·¨Ñо¿[J].ºÓÄÏÀí¹¤´óѧѧ±¨£¬2012 Vol.31 No.2 P196-200. [3] LI Yudong, ZHOU Bo, etc. Analysis and Simulation of Low Speed Sensorless Vector Control With Two Current Signal Injection Schemes. Advanced Materials Research.2012,Vol.722:361-368. [4] Yudong LI, Shan LU,etc. Research of Sensorless Vector Control with Two Signal Injection Schemes, International Journal of Digital Content Technology and its Applications(JDCTA), 2013,Vol.7,No.6:1097-1106.[5] ÀîÓñ¶«£¬Â¬É¼µÈ.ú¿óÖ±Á÷¼ÜÏßµç»ú³µ±äƵÇý¶¯×°ÖÃ[J].µç»úÓë¿ØÖÆÓ¦ÓÃ2013 £¨4£©£ºP54-57.[6] Yudong LI, Yujun Zhang,etc. Simulation and Experimental Studies of Speed Sensorless Control of Permanent Magnet Synchronous Motors for Mine Electric Locomotive Drive. International Journal of Control and Automation. 2014,Vol.7, No.1:55-68.[7] Yudong LI, Xiaobang YANG ,etc. Speed Sensorless Control of Permanent Magnet Synchronous Motors in Mine Electric Locomotive Drive.Sensors & Transducers. 2014,Vol.169,Issue4:9-17.
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