異なる巻線起因特性をもつ独立二重三相巻線永久磁石同期モータの効率駆動法;異なる巻線起因特性をもつ独立二重三相巻線永久磁石同期モータの効率駆動法;Efficient Drive of Permanent-Magnet Synchronous Motors with Double Independent Three-Phase Windings of Different Characteristics