吉利D 轿车柴油机轻量化技术应用研究

1、吉利D 轿车柴油机轻量化技术应用研究 作者： 日期：2 个人收集整理 勿做商业用途目 次自主汽车电子软件架构技术战略解析与规划（摘要链接)1吉利4D20轿车柴油机轻量化技术应用研究（摘要链接)2用于轮胎路面摩擦状态识别的胎内传感技术研究（摘要链接）3氧传感器劣化判定的排放等值线法（摘要链接）4电动助力转向系统组合型助力特性研究（摘要链接）5高比例甲醇汽油燃料的生命周期分析（摘要链接）6解析目标分流法在汽车多学科设计优化中的应用（摘要链接）7汽车排气系统疲劳耐久性的CAE分析研究（摘要链接）8某商用车驾驶室全浮式悬置系统开发（摘要链接）9汽车滑行阻力系数的测定方法研究(摘要链接）10用于汽车点火

2、线圈失火检测的程控扫频信号源设计（摘要链接）11汽车轮胎非稳态温度场的有限元分析与试验验证（摘要链接）12压力连接模具参数的设计方法（摘要链接)13自主汽车电子软件架构技术战略解析与规划陈虹（上海汽车集团股份有限公司）【摘要】通过分析当前主流汽车电子嵌入式软件架构和国外同行软件架构标准规范以及商业解决方案，结合自主品牌汽车电子系统的应用实践，定义兼容相关国际标准且满足自主品牌汽车电子功能需求的软件架构，并开发出基于该软件架构的嵌入式软件产品，应用于自主品牌整车电子电器系统，以提升自主品牌整车的差异化竞争优势。主题词：汽车电子 软件架构 自主品牌 Interpretation and Plann

3、ing of Technology Strategy for Independent Vehicle Electronics Software ArchitectureChen Hong（SAIC Motor Corporation Limited）【Abstract】By analyzing the currently prevailing builtin software architecture of automotive electronics and the foreign software architecture standard criteria as well as comm

4、ercial solution, also combined with the application practice of electronics system of independent vehicle brand, a software architecture which integrates relevant international standard and satisfies electronics function demand of independent vehicle brand is defined， and a builtin software product

5、based on this software architecture is developed and applied to the electronics electric system of independent vehicle brand, enhancing the differentiated competition edge of independent vehicle brand.个人收集整理，勿做商业用途本文为互联网收集，请勿用作商业用途Key words： Automotive electronics; Software architecture; Independent

6、 brand吉利4D20轿车柴油机轻量化技术应用研究袁兆成1 赵福全2 董仁1 方舟2（1吉林大学 汽车动态模拟国家重点实验室; 2浙江吉利汽车研究院)【摘要】节能减排是发动机设计的核心目标,采用轻量化技术是实现节能减排的有效措施之一。分别对吉利4D20轿车柴油机气缸体、气缸盖、梯型框架和油底壳、双质量飞轮、活塞及连杆、气缸盖罩和链条罩盖等关键零部件的轻量化技术进行了应用分析。吉利4D20轿车柴油机大量采用铝合金以及经过优化设计轻量化结构,使其单位功率质量达到2。12kg/kW。主题词： 轿车柴油机 轻量化技术 Research on Application of Lightweight Te

7、chnology of Geely4D20 Car Diesel EngineYuan Zhaocheng1 Zhao Fuquan2 Dong Ren1 Fang Zhou1 (1。 State Key Laboratory of Automobile Dynamic Simulation of Jilin University； 2 Automobile Research Institute of Zhejiang Geely Co。，Ltd） 【Abstract】Energy conservation and emission reduction always are the core

8、goal of engine design， and adoption of lightweight technology is one of the efficient measures to achieve energy conservation and emission reduction。 In this paper, lightweight technology adopted on key assemblies of Geely4D20 car diesel engine, including cylinder block， cylinder head， trapezoid fra

9、me and oil sump, double mass flywheel, piston, connecting rod， cylinder head cover and chaincase cover, etc。, is introduced and analyzed。 With large scale application of aluminum alloy and optimized lightweight structure, mass per unit power of Geely 4D20 car diesel engine reaches 2.12kg/kW.个人收集整理，勿

10、做商业用途文档为个人收集整理,来源于网络Key words： Car diesel engine; Lightweight technology用于轮胎路面摩擦状态识别的胎内传感技术研究庄 晔 郭孔辉 陈禹行（吉林大学 汽车动态模拟国家重点实验室)【摘要】介绍了目前几种轮胎胎内传感器（表面声波传感器、超声波传感器、光学传感器、胎侧扭转传感器、加速度传感器、PVDF传感器)的技术原理，分析了各种传感器的优缺点，并论述了胎内传感器的数据传输与供电的技术进展。由此指出，目前的胎内传感器已可以实现轮胎胎内变形和加速度信息的实时动态监测，可为底盘综合控制提供更准确的轮胎路面摩擦系数信息.关键词:智能轮胎

11、 轮胎路面摩擦状态 轮胎传感器Progress of Research on the In-tire Sensing Technology applied in Tireroad Friction Status RecognitionZhuang Ye; Guo Konghui; Chen Yuhang（State Key Laboratory of Automobile Dynamic Simulation, Jilin University）【Abstract】 The principle and technical features of the recent in-tire senso

12、rs （surface acoustic wave transducer， ultrasonic transducer, optical sensor， tire torsion sensor， acceleration sensor， PVDF sensor) are introduced in the paper， advantages and drawbacks of these sensors are analyzed. The technical progress of the data transmission and power supply of the intire sens

13、or are also discussed。 It is thus indicated that real-time dynamic monitoring can be realized on intire deformation and acceleration information with the current in-tire sensor, which can provide more accurate tireroad surface friction coefficient information for comprehensive control of chassis.个人收

14、集整理，勿做商业用途本文为互联网收集，请勿用作商业用途Key words: Intelligent tire； Tireroad surface friction status; Tire sensor氧传感器劣化判定的排放等值线法孔峰（德尔福动力总成系统-中国科技研发中心） 【摘要】对氧传感器电压跳变时间和劣化的排放结果进行了研究，介绍了氧传感器劣化判定的基本理论和现有方法单边法。针对力帆汽车项目中单边法无法适用的问题,绘出了氧传感器劣化的排放等值线曲线簇,给出了排放等值线法，并设计了相应的工程标定方法特征点法。试验结果表明，特征点法对于排放85等值线的拟合效果明显好于单边法,即排放等值线法

15、比单边法更能准确地判定氧传感器劣化。主题词：氧传感器 劣化判定 排放等值线 OBD Decision of Oxygen Sensor Degradation Using Contour Line MethodKong Feng（Delphi Powertrain Systems China Technical Center)【Abstract】 Voltage jump time of oxygen sensor and degraded emission result are studied in the paper， the basic principle and single-side

16、 method applied to judge degradation of oxygen sensor are introduced in the paper。 For the issues existing in Lifan Auto project in which the singleside method is inapplicable， emission contour-line curve cluster of oxygen sensor degradation is plotted， and emission contour-line method is proposed,

17、and characteristic-point method is designed。 The test results indicate that the fitting effect of the characteristic-point method on 85% emission contour line method is obviously superior to singleside method, in another word, compared with the singleside method, the contour line method can more acc

18、urately judge degradation of oxygen sensor.个人收集整理，勿做商业用途文档为个人收集整理，来源于网络Key words： Oxygen sensor； Degradation judgement; Contourline method; OBD电动助力转向系统组合型助力特性研究江浩斌1，杨晓峰1，宋海兵2，刘雁玲1（1.江苏大学;2.江苏罡阳股份有限公司）【摘要】 建立了装有EPS的整车转向动力学模型,以某微型轿车管柱式EPS为例，对常见的直线型、折线型和曲线型助力特性进行了对比分析.根据直线型和曲线型助力特性在转向轻便性和路感方面的互补性，设计了一种

19、新的组合型助力特性。实车仿真结果表明，所设计的组合型助力特性在路感方面优于直线型和折线型，在转向轻便性方面优于曲线型,能较好地协调不同车速时的转向轻便性和路感要求。关键词:电动助力转向系统；组合型助力特性;模型；仿真Research on Combinedtype Assistance Characteristics of Electric Power Steering SystemJiang Haobin1； Yang Xiaofeng1; Song Haibing2; Liu Yanling1(1.Jiangsu University; 2.Jiangsu Gangyang Stock C

20、o。, Ltd）【Abstract】 A car steering dynamic model with EPS is built。 Taking a mini cars column type EPS as the research object, three frequentlyused assistance characteristics which are called lineartype, folded linetype and curve-type are compared and analyzed。 Based on the complementarities of linea

21、r-type and curvetype assistance characteristics between the steering maneuverability and the road feel， a new combinedtype assistance characteristic is designed. The results of real-car simulation indicate that the designed combinedtype assistance characteristic is superior to linear-type and folded

22、 line-type on the road feel, is better than curve-type on the steering maneuverability， and alleviates the contradiction between the steering maneuverability and the road feel at different velocity.本文为互联网收集，请勿用作商业用途个人收集整理，勿做商业用途Key words: EPS； Combined-type assistance characteristics； Model； Simulat

23、ion 高比例甲醇汽油燃料的生命周期分析汪映（西安交通大学）【摘要】建立了甲醇汽油生命周期模型,并比较了M85、M90甲醇汽油混合燃料及普通汽油在车辆上应用的全生命周期指标。结果表明,与燃用普通汽油相比，在全生命周期内燃用甲醇汽油混合燃料车辆的VOC和SOx的排放分别降低,但车辆的总能耗、温室气体和PM10、NOx排放分别增加；能耗和大部分有害排放物排放的增加来自于燃料生产阶段。主题词：甲醇 汽油 混合燃料 生命周期 Life Cycle Analysis of High-proportion Methanol/gasoline Blended FuelWang Ying(Xian Jiaot

24、ong University）【Abstract】The lifecycle model of methanol/gasoline is established in the paper。 And the full lifecycle indicator of methanol/gasoline blended fuel M85, M90 and conventional gasoline used in vehicle are analyzed and compared in this paper. The results show that, compared with conventio

25、nal gasoline fuel, in the full life cycle, the VOC and SOx emissions decrease in the vehicle fuelled with methanol/gasoline blended fuel, however, the total energy consumption, greenhousegas， PM10 and NOx emission increase。 The increase of energy consumption and most of emissions are mainly from the

26、 fuel production phases。个人收集整理，勿做商业用途文档为个人收集整理，来源于网络Key words： Methanol; gasoline; blended fuel; Life cycle解析目标分流法在汽车多学科设计优化中的应用赵 迁1 陈潇凯1 林 逸1，2（1.北京理工大学；2。北京汽车研究总院）【摘要】在阐述分解协调策略和研究ATC方法计算流程基础上，利用基于二次罚函数的ATC方法对某发动机燃烧室进行多学科设计优化(MDO）研究.考虑几何和热力学两个学科，很好地解决了学科间复杂耦合带来的计算困难,计算结果与不分解优化的结果非常接近，验证了该方法在汽车设计中的有

27、效性.同时研究了步长对优化结果的影响,发现随着步长加大，误差变大，计算成本变低。主题词： 解析目标分流法 多学科设计优化 分解协调策略Application of Analytical Target Cascading Method in Multidisciplinary Design Optimization of AutomobileZhao Qian1, Chen Xiaokai1, Lin Yi1，2(1. Beijing Institute of Technology； 2. Beijing Automotive Technology Center）【Abstract】Decomp

28、osition and coordination strategy was presented and the computation flow of ATC method was studied， on this basis， ATC method based on quadratic penalty function was applied to multidisciplinary design optimization （MDO） of combustion chamber of an internal combustion engine. Two disciplines are con

29、sidered in the design case， namely geometry and thermodynamics. ATC method can deal with the complex coupling among these disciplines and the results extremely approximate to the results of non-decomposition optimization method. Validity of this method is proved in auto design. The effect of step le

30、ngth on the result of optimization is also studied， a phenomenon is found that error becomes bigger and computation cost becomes lower along with the step size increases。个人收集整理，勿做商业用途个人收集整理,勿做商业用途Key words： Analytical target cascading; Multidisciplinary design optimization; Decomposition and coordin

31、ation strategy汽车排气系统疲劳耐久性的CAE分析研究沈 渡1 丁渭平1 杨玲敏1 李洪亮2 顾灿松2 何森东2(1.西南交通大学;2。中国汽车技术研究中心)【摘要】针对某型汽车排气系统的结构疲劳耐久性问题，提出了基于MSC。Fatigue的CAE分析方法。即通过合理处理汽车排气系统的实体模型来建立有限元模型，并模拟装车时的行驶状态对有限元模型进行边界条件加载，进而利用MSC。Fatigue对应力计算结果进行疲劳寿命分析，从而解决了寻找排气系统疲劳损坏易发位置和模拟计算疲劳寿命的问题。主题词：排气系统 疲劳耐久性 CAE CAE Analysis Study of Automoti

32、ve Exhaust System Fatigue DurabilityShen Du1, Ding Weiping1, Yang Ling-min1， Gu Cansong2， He Sendong2（Southwest Jiaotong University； 2. China Automotive Technology Research Center）【Abstract】To solve the problem of the structural fatigue durability of an automotive exhaust system, a solution of using

33、 CAE analysis based on MSC。Fatigue is put forward。 That is， obtaining finite element model through dealing with a solid automotive exhaust model properly， and imitating the real driving status to load the finite element model boundary conditions， MSC.Fatigue is then used in the stress calculation re

34、sults for fatigue life analysis, the identification of the location in which fatigue failure is prone to occur in the exhaust system and fatigue life simulative calculation are thus solved。文档为个人收集整理，来源于网络个人收集整理，勿做商业用途Key words： Exhaust System； Fatigue durability; CAE某商用车驾驶室全浮式悬置系统开发叶福恒 许可 张延平 单勇（中国第

35、一汽车集团公司技术中心）【摘要】论述了某商用车驾驶室全浮式悬置系统结构设计及主要参数控制要点，提出了DMU运动分析校核、基于EXCEL的参数初始设计等设计手段，并运用有限元分析、动力学模拟等分析手段进行了优化,使该车较好的满足了可靠性和驾驶室振动舒适性要求,避免了后期大量的设计改进工作，从而缩短了产品开发周期并降低了产品研发成本。主题词:商用车 全浮式悬置 结构设计 参数优化 Development of Fullfloating Suspension System for a Commercial Vehicle CabYe Fuheng, Xu Ke， Zhang Yanping， Sha

36、n Yong（China FAW Group Corporation RD Center)【Abstract】This paper introduces key points of structural design and main parameters control of full-floating suspension system of a commercial vehicle cab， proposes DMU motion analysis check, design method， e。g. initial parameter design based on EXCEL， an

37、d performs optimization with finite element analysis, dynamic simulation, etc., which satisfy the requirement of reliability and cab vibration comfort, avoiding large amount of design modification in the later design stage, thus shortening product development cycle and cutting development cost。文档为个人

38、收集整理，来源于网络文档为个人收集整理，来源于网络Key words: Commercial vehicle； Fullfloating suspension； Structure design； Parameter optimization汽车滑行阻力系数的测定方法研究朱卫东 刘学琼 田勇（东风汽车有限公司 东风商用车技术中心) 【摘要】根据软件matlab的符号微分方程解法求出汽车滑行运动方程,将一定范围内的由滚动阻力系数和风阻系数计算出的滑行曲线和采样滑行曲线进行比较，找出了最能拟合采样滑行曲线的参数,该方法不需给定阻力系数的初始值就能找到各阻力系数的大小，阻力系数的精度由步长确定。通过

39、计算实例表明, 根据阻力系数计算的滑行数据与采样数据曲线重合，验证了拟合结果的正确性.主题词:汽车 滑行 阻力系数 平均偏差Research on the Method to Determine Vehicle Coasting Resistance CoefficientZhu Weidong, Liu Xueqiong, Tian Yong(Dongfeng Motor Company Limited; Dongfeng Commercial Vehicle Technical Center）【Abstract】Vehicle coasting motion equation is sol

40、ved with matlab symbolic differential equation， the coasting curve calculated with rolling resistance coefficient and air drag coefficient is compared with sampling coasting curve, then the parameter which most fits the sampling coasting curve is found. With this method， the value of resistance coef

41、ficients can be found without the initial value of given resistance coefficient， with the accuracy of resistance coefficient is determined by step length。 The example of calculation indicates that the coasting data calculated according to resistance coefficient is identical with the sampling data cu

42、rve, proving credibility of the fitting result。本文为互联网收集，请勿用作商业用途个人收集整理，勿做商业用途Key words： Vehicle; Coasting； Resistance coefficient; Mean deviation用于汽车点火线圈失火检测的程控扫频信号源设计熊 健 王启松 赵永平 李木天(哈尔滨工业大学)【摘要】针对原有终检设备无法有效识别汽车点火线圈偶发失火与故障隐患的问题，设计了一种新的程控扫频信号源。该信号源可工作于扫频、定频2种方式下，具有2路互锁的点火信号，可同时激励线圈在4个气缸产生高压信号，覆盖68064

43、00r/min的发动机转速范围,扫频步长可精确到1r/min，线圈储能时间可在320ms内任意设定。实际运行结果表明，该信号源在恶劣电磁环境下工作稳定，具有操作灵活、成本低等优点，有效实现了对潜在故障线圈的筛选.主题词：点火线圈 失火检测 扫频信号Design of Programmable Sweep Signal Source used in Automotive Ignition Coil Misfire DetectionXiong Jian, Wang Qisong， Zhao Yongping， Li Mutian（Harbin Institute of Technology)【A

44、bstract】 To solve the problems of accidental misfire and hidden fault existing in automotive ignition coils， which can not be effectively identified by original final inspection equipment, a new programmable sweep signal source is designed。 The source works in two ways of fixed and swept frequency m

45、ode， possesses twoway interlocking ignition signals, has the ability of simultaneously excite coil in four cylinders to generate high voltage, covering engine speed from 680r/min to 6400r/min。 The sweep step length can be as accurate as to 1r/min, and coil energy storage time can be set freely in th

46、e range of 320ms。 The actual operation results indicate that the source is stable in harsh electromagnetic environment， and it has many advantages, such as flexible operation， low cost etc.， and is effective to screen and remove the potential faulty coil。本文为互联网收集，请勿用作商业用途文档为个人收集整理，来源于网络Key words: Ig

47、nition coil, Misfire detection, Sweep signal汽车轮胎非稳态温度场的有限元分析与试验验证王泽鹏（青岛科技大学)【摘要】建立了滚动轮胎三维力学分析有限元模型，在对轮胎力学场有限元分析的基础上，采用傅立叶级数拟合滚动轮胎应力应变并计算轮胎节点生热率,作为节点载荷导入到温度场有限元模型中,分析了轮胎在额定工况下的温升温度场变化。通过台架试验表明，计算值与试验值基本一致，验证了该有限元分析方法的可行性。主题词:轮胎 非稳态温度场 有限元 试验Finite Element Analysis and Test Verification on Unsteady-State Thermal Field Characteristics of Vehicle TireWang Ze