Case Study of Motor Noise for In-Wheel Motor Electric Vehicle

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Takayuki Miyakawa, Nissan Motor Co.,Ltd.


EV is misunderstood that there are few noise and vibration issues. However, EV has peculiar issue. In the case of In-Wheel Motor, since the space of the motor unit is limited, new issue not existing in the conventional EV may occur depending on specifications. This time, I will present about factor analysis and countermeasures on the case of IWM-EV motor noise incorporating a motor in the rear wheels.

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