The ultra-compact electric vehicle has recently experienced increasing popularity for\nshort-distance travel. However, one of the issues with ultra-compact electric vehicles is that although\nthe engine is silent, exterior road and wind noise have a significant impact on the occupantâ??s comfort\nin the interior space. We propose an ANC system whereby a kind of small actuator is installed on the\nroof of an ultra-compact electric vehicle. In this paper, we consider the noise control effects of using a\ngiant magnetostrictive actuator and conduct an experimental study on feed-forward and feedback\ncontrol systems.
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