Sensorless control for electrically energized synchronous motor based on signal injection to field winding. - Jongwon Choi; Ilsu Jeong; Kwanghee Nam; Sung-Yoon Jung (IECON, 2013)

Sensorless Control of PMSM in a High-Speed Region Considering Iron Loss. - Junwoo Kim; Ilsu Jeong; Kwanghee Nam; Jaesik Yang; Taewon Hwang (IEEE Trans. Ind. Electron., 2015)