作者: Takashi Miyoshi , Atsuhiko Yoneda , Yasuo Shimizu
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摘要: An electric steering system is provided with: a torque detection unit which detects acting on the shaft; brushless motor includes rotor and stator having multi-phase coils, generates an assisting for torque; current supply switching drives motor; rotary angle estimation outputs estimated angle; determination determines whether or not appropriate by comparison with direction of control in accordance determined to be generation torque.