学術成果Wide Frequency Band Equivalent Circuit of Interior Permanent Magnet Motor for Static State and Frequency Response Evaluation Based on the Equivalent Circuit論文誌Electrical Engineering in Japan2026.06DOI著者Kazumasa IdeSatoshi OgasawaraKoji ShiozakiRen TsunataMasatsugu TakemotoDaisuke SatoYoshiaki Zaizen関連メンバー竹本 真紹