Torque-Maximizing Design of Double-Stator, Axial-Flux, PM Machines Using Simple Non-Linear Magnetic Analysis. - Yoshiaki Kano; K. Tonogi; Takashi Kosaka; Nobuyuki Matsui (IAS, 2007)

Operation evaluations in high speed range of wound field synchronous motor drive integrated with ZSI. - G. Tajima; Takashi Kosaka; Nobuyuki Matsui; K. Tonogi; N. Minoshima; T. Yoshida (ICM, 2015)