A mechanical sensorless control system for salient-pole brushless DC motor with autocalibration of estimated position angles. - Nobuyuki Kasa; Hiroshi Watanabe (IEEE Trans. Ind. Electron., 2000)

Flyback Inverter Controlled by Sensorless Current MPPT for Photovoltaic Power System. - Nobuyuki Kasa; Takahiko Iida; Liang Chen (IEEE Trans. Ind. Electron., 2005)

A Flux Weakening Control Method for In-Wheel Motor Drives of Electric Vehicles. - Nobuyuki Kasa; Tomonori Katsuta (ISIE, 2019)