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1、汽车技术杂志2009年第5期摘要目 次汽车动力总成节能环保先进技术分析（摘要链接）1基于实测载荷谱的白车身疲劳寿命计算（摘要链接）2概念设计与FE仿真评估在行人腿部保护车身设计中的应用（摘要链接）3基于分形理论的同步器接触磨损模型（摘要链接）4汽车动力总成隔振难点与被动悬置改进设计（摘要链接）5轻型汽车天然气发动机CA4SH-NE3的开发（摘要链接）6试验模态分析技术在车辆降噪中的应用（摘要链接）7机动车用喇叭声压级测量不确定度分析（摘要链接）8基于CATIA二次开发的仪表盘视野校核（摘要链接）9基于体压分布信息的乘客识别系统设计研究（摘要链接）10汽车AFS前照灯转角动力学建模及仿真分析（摘
2、要链接）11油气弹簧可调阻尼阀系设计及特性试验（摘要链接）12新能源汽车的技术专利研究（摘要链接）13全电调节橡胶带式CVT的试验研究（摘要链接）14HVAC风道空气泄漏检测方法研究（摘要链接）15汽车后桥半轴用高性能非调质钢的开发及应用研究（摘要链接）16锯齿形内齿主动齿轮冷挤压成型技术研究（摘要链接）17汽车动力总成节能环保先进技术分析李骏 曲卫东 高巍（中国第一汽车集团公司技术中心）【摘要】指出，汽车动力总成已由单纯的追求性能发展成为目前面向节能、环保、安全及发展循环经济的国际竞争。分析了中国汽车动力总成节能环保的主要课题，阐述了目前汽车动力总成产品的主要技术，包括汽油直喷技术、汽油增压
3、技术、发动机起停技术、发动机可控配气机构、Downsizing技术、新一代柴油共轨技术、发动机电子控制技术、柴油机后处理技术、多挡自动变速器技术、油电混合动力技术，并剖析了中国第一汽车集团公司的技术对策及产品战略。关键词：汽车 动力总成 节能 环境保护 The Automobile Powertrain Core Technology & FAWs Strategy for Environmental Protection and Energy Conservation Li Jun, Qu Weidong, Gao Wei(FAW Group Corporation R&D Center)【
4、Abstract】The automobile powertrain has changed from performance development to international competition which aimed at energy conservation, environmental protection, safety and developing cycle economy. In this paper, the main subjects of energy conservation and environmental protection for Chinese
5、 automobile powertrain were analyzed, the main technology were discussed, including gasoline direct injection(GDI), gasoline turbo, engine start & stop, VTEC, downsizing, new generation diesel common rail, engine electronic control, diesel after treatment, multi-gears AT and fuel-electric hybrid, fi
6、nally FAWs technology and product strategy were analyzed.Key words: Automobile; Powertrain; Energy conservation; Environmental protection基于实测载荷谱的白车身疲劳寿命计算朱涛 宋健 李亮（清华大学 汽车安全与节能国家重点实验室）【摘要】通过六分力轮测试系统实测了某型乘用车在试车场运行的载荷谱数据，以此作为输入，并综合有限元分析、多体动力学分析和疲劳分析等多种CAE手段，对该乘用车白车身在实测载荷谱作用下的疲劳寿命分布进行了计算分析。同时，给出了符合真实工况的
7、试验与虚拟相结合的白车身一体化疲劳分析流程，该流程同样适用于底盘零部件的疲劳分析。关键词：白车身 疲劳寿命 道路载荷谱 Fatigue Calculation of BIW Based on the Measured Road Load DataZhu Tao, Song Jian, Li Liang(State Key Laboratory of Automotive Safety and Energy Conservation, Tsinghua University) 【Abstract】The road load data of a car in the proving ground
8、is measured by the 6-Axis Wheel Load Measurement System, based on it and with the aid of many CAE methods, including FEA, MBD analysis and Fatigue analysis, the fatigue life distribution of the BIW of this car is calculated and analyzed under such measured RLD. And the integrated fatigue analysis fl
9、ow, which combined testing according with real condition and virtual analysis, is presented. Such flow can also be used for the fatigue analysis of the chassis parts. Key Words: BIW, Fatigue life, RLD概念设计与FE仿真评估在行人腿部保护车身设计中的应用苗 强1 高卫民2 王大志2 马美林2 刘军勇2(1.同济大学;2.上海汽车集团公司技术中心)【摘要】综合运用mode FRONTIER和MADYM
10、O软件，以上海汽车集团公司自主研发车型为研究对象，对腿部碰撞区域的接触刚度进行了优化设计，在满足2003/102/EC第一阶段法规要求的前提下，获得了腿部碰撞区域所需的最小变形空间；结合有限元仿真分析评估该车型的行人腿部保护性能，并对车身设计进行了改进。仿真结果表明，改进后的车身能够满足2003/102/EC第一阶段法规的相关要求。主题词：车身 行人腿部碰撞 概念设计 有限元仿真The Application of Concept Design and FE Simulation Assessment in the Design of Pedestrian Leg ProtectionMiao
11、 Qiang 1, Gao Weimin2,Wang Dazhi 2, Ma Meilin 2,Liu Junyong2(1.Tongji University; 2.SAIC Technical Center)【Abstract】Based on a car developed by SAIC, the optimization design of contact stiffness of pedestrian leg impact areas was carried out with the software mode FRONTIER and MADYMO, and the minimu
12、m deformation space required for leg impact areas under the prerequisite of meeting the requirement of 2003/102/EC Directive Phase I was also gotten; combined with FE simulation and analysis, pedestrian leg protection performance was assessed and the modified design of cab was carried out. The resul
13、ts showed that the modified body could meet the requirements of 2003/102/EC Directive Phase I.Key words: Body, Pedestrian leg impact, Concept design, FE Simulation 基于分形理论的同步器接触磨损模型戴丰 鲁统利 张建武（上海交通大学） 【摘要】基于磨合磨损的分形理论，结合粘着磨损理论和Majumdar-Bhushan分形接触模型，建立了换挡同步器接触磨损的数学模型，研究了AMT、DCT快速平稳换挡过程中换挡力对同步器磨损的影响。仿真结
14、果表明，相对于低挡位，高挡位时同步时间短，所需要的换挡力小，所带来的同步齿环磨损深度率小；适当增大换挡力可缩短磨合时间和同步时间，减少同步器磨损量。 主题词：同步器 接触磨损 换挡力 分形理论 A Model for Synchronizer Contact Wear Based on Fractal TheoryDai Feng, Lu Tongli, Zhang Jianwu(Shanghai Jiao Tong University)【Abstract】Based on fractal theory of break-in wear, adhesive wear theory and f
15、ractal contact model Majumdar-Bhushan, a mathematical model of shifting synchronizer contact wear was established in this paper, and the influence of shifting force on synchronizer wear in the process of quick and steady shifting for AMT and DCT was also studied. The simulation results showed that the synchronization time was short; the shifting force was small, and the wear ratio of gears was small at high gears position; appropriate increase of shifting force could shorten the break-in and synchronization time, at the same time reduce wear of synchronizer. Key words
