新能源汽车结构特征及NVH性能分析  

Structural Characteristics and NVH Performance Analysis of New Energy Vehicles

作　　者：喻柄睿 YU Bingrui

机构地区：[1]重庆交通大学

出　　处：《汽车工程师》2021年第10期1-3,共3页Automotive Engineer

摘　　要：汽车的噪声、振动与声振粗糙度(NVH)受到多种因素影响,客观评价NVH指标对于汽车企业十分重要。文章从新能源汽车的结构特征为出发点,分析了混合动力汽车、纯电动汽车以及汽车自身的一些特征,如电控系统、热管理系统等的NVH影响因素及面临的挑战问题等。在客观地分析评价下,对存在的问题提出了合理的改进方法和建议,以利于进一步规划和发展汽车NVH领域,提升国内汽车的驾乘体验。Vehicle noise,vibration and acoustic roughness(NVH)are affected by many factors.It is very important to evaluate NVH index objectively for automobile enterprises.Starting from the structural characteristics of new energy vehicles,the influencing factors and challenges of NVH in electric control system and thermal management system of hybrid electric vehicles,pure electric vehicles and vehicles themselves were analyzed.Based on objective analysis and evaluation,reasonable improvement methods and suggestions are proposed to further plan and develop the automotive NVH field and improve the driving experience of domestic vehicles.

关 键 词：新能源汽车 NVH 汽车舒适性 

分 类 号：U469.7[机械工程—车辆工程] U461.4[交通运输工程—载运工具运用工程]