Acceleration control of AC servo motor considering cogging torque at low velocities for haptics. - Toshio Hiraide; Kenji Takahashi; Manuel Nandayapa; Kiyoshi Ohishi (ISIE, 2012)

Current harmonics reduction method of electrolytic capacitor-less diode rectifier using inverter-controlled IPM motor. - Toshio Hiraide; Kodai Abe; Kiyoshi Ohishi; Hitoshi Haga (IECON, 2013)

Input harmonic current reduction method for electrolytic capacitor-less inverter for IPMSM drive system. - Toshio Hiraide; Kiyoshi Ohishi; Hitoshi Haga (ISIE, 2013)