New sensorless control for brushless DC motors using disturbance observers and adaptive velocity estimations. - Mutuwo Tomita; Tomonobu Senjyu; Shinji Doki; Shigeru Okuma (IEEE Trans. Ind. Electron., 1998)

New adaptive sliding observers for position- and velocity-sensorless controls of brushless DC motors. - Zhiqian Chen; Mutuwo Tomita; Shinji Doki; Shigeru Okuma (IEEE Trans. Ind. Electron., 2000)

An extended electromotive force model for sensorless control of interior permanent-magnet synchronous motors. - Zhiqian Chen; Mutuwo Tomita; Shinji Doki; Shigeru Okuma (IEEE Trans. Ind. Electron., 2003)

Sensorless control of permanent-magnet synchronous motors using online parameter identification based on system identification theory. - Shinji Ichikawa; Mutuwo Tomita; Shinji Doki; Shigeru Okuma (IEEE Trans. Ind. Electron., 2006)

A design method of full-order extended electromotive force observer for sensorless control of IPMSM. - Mutuwo Tomita; Masaru Hasegawa; Keiju Matsui (AMC, 2010)

A new design method of full-order extended electromotive force observer for position sensorless control of IPMSM. - Saki Nohara; Mutuwo Tomita; Masaru Hasegawa; Shinji Doki; Shinji Kato (IECON, 2013)

Realization of highly efficient and small IPM motors for the compressors of air-conditioners. - Mitsuhiko Satoh; Seiichi Kaneko; Mutuwo Tomita; Shinji Doki (ICIT, 2015)