混合動力汽車發(fā)動機啟停過程NVH特性及控制策略優(yōu)化研究

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中圖分類號：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

隨著環(huán)境污染和能源短缺問題日趨嚴峻，新能源汽車尤其是混合動力汽車受到了越來越多的關(guān)注，被譽為節(jié)能減排的重要技術(shù)路線之一。（剩余4320字）