Abstract
HEV (Hybrid Electric Vehicle) is the most promising vehicle among new energy vehicles. In view of the structuralchanges of hybrid electric vehicles compared with traditional fuel vehicles and the subsequent changes in NVH (Noise, Vibration, Harshness) performance, the main reasons for the vibration and noise of hybrid electric vehicles and the research results of NVH at home and abroad are detailed introduction. Through the classification and summary of the factors affecting the vibration and noise inside and outside the HEV, the advantages and disadvantages of the NVH control technology currently being developed and developed are summarized, and the future development of the NVH of the HEV is prospected.
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