混合动力汽车发动机启停过程NVH特性及控制策略优化研究

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中图分类号：U464 收稿日期：2025-03-20 DOI：10.19999/j.cnki.1004-0226.2025.07.010

NVH Characteristics and Control Strategy Optimization of Engine Start-stop Process in Hybrid Vehicles

YuGe Hunan Vocational College of Electronic and Technology，Changsha 41oooo，China

Abstract：Hybridvehicleshaveatractedwidespreadatentioninthefieldofnewenergyvehiclesduetotheiradvantagesinenergy savingandenvironmentalprotection.Theenginestartstoptechologysoneoftecoretechologiesofhybridveicles，utitlsofac essomeproblemssuchasoise，ibrationandharshness（NH）.ThispaperanalzestheNVHharacteristicsduringtheenginestart stopprocessofhybridvehicls.Ontisbasis，tepaperproposesanoptimzatiomethodfortheenginestartstopcontrolstrategyiming to minimize NVHlevels during the start-stop processand improve engine power response and fuel economy.

KeyWords：Hybrid vehicles;Engine start-stop;NVHcharacteristics;Control strategy optimization

1前言

随着环境污染和能源短缺问题日趋严峻，新能源汽车尤其是混合动力汽车受到了越来越多的关注，被誉为节能减排的重要技术路线之一。（剩余4320字）