限扭减振器阻尼对发动机起停过程振动特性的影响分析

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中图分类号：U463.21 文献标志码：A DOI：10.20104/j.cnki.1674-6546.20240376

【Abstract]Inorder to improve the NVHcharacteristicsof the Plug-in Hybrid Electric Vehicle （PHEV）driveline during engine start-stop，the working principleand structureofthe torque-limiting damperas wellas thefactors afecting its damping characteristicsareanalyzedinrelationtothetransmisionsystemofacertainhybridvehicle.Theefectofthedampingof the torque-limitingdamperonthevibrationcharacteristicsduringtheenginestart-stopprocessisinvestigatedthrough experiments.Theexperimentalresultsshowthatincreasing thedampingof the torque-limitingdamper moderatelywithinthe permissiblerangecan efectivelyoptimize theNVHcharacteristics oftheengine during start-stopprocessand significantly reduce the vibration and noise.

Keywords：Plug-in Hybrid Electric Vehicle （PHEV），Torque-limiting damper，Driveline， Damping，NVHcharacteristics

【引用格式】张正，赵健涛，王衡，等.限扭减振器阻尼对发动机起停过程振动特性的影响分析[J].汽车工程师，2025 （11）： 32-35. ZHANG Z， ZHAO JT，WANG H，etal.Analysis of the Effctof Damping of Torque-Limiting Damper on the Vibration Characteristics of Engine Start-Stop Process[J].Automotive Engineer，2O25（11）：32-35.

1前言

发动机起停过程中的振动主要来源于发动机起动瞬间的冲击和停止时的惯性力，不仅影响乘员的舒适性，还可能对车辆的机械部件造成磨损，降低其使用寿命。（剩余3711字）