自动变速器换挡机构的建模和结构参数优化(共16页).doc

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1、精选优质文档-倾情为你奉上目 次 自动变速器换挡机构的建模和结构参数优化郭孔辉1 周晓晖1 王爽1 孙胜利1 孟丹2（1.吉林大学 汽车动态模拟国家重点实验室；2.泰利福（沈阳）汽车零部件制造有限公司）【摘要】针对某车型平台在更换变速器过程中的换挡机构参数设计问题，利用ADAMS/View建立了自动变速器换挡操纵机构平面运动学模型，并将变速器换挡臂长度和初始位置以及变速器端换挡推拉索的球铰点坐标等关键结构变量参数化，取换挡操纵机构设计更改时换挡手柄行程变动最小作为目标进行优化。与原平台设计相比，优化后的方案仅改变N、D两个换挡手柄挡位就能满足与新变速器换挡的匹配要求，并在实际车辆上得到成功应用

2、。主题词：自动变速器 换挡操纵机构 结构参数 优化Modeling and Structure Parameter Optimization for the Shifting System of Automatic TransmissionGuo Konghui1, Zhou Xiaohui1,Wang Shuang1,Sun Shengli1,Meng Dan2(1. State Key Laboratory of Vehicle Dynamic Simulation, Jilin University;2. Teleflex(Shenyang) Auto Parts Manufacture

3、 Co., Ltd) 【Abstract】To meet the requirements in the upgrade design of automatic transmission system for a vehicle platform, a model is built for the shifting system of the vehicle in ADAMS/View, the length and the start angle of the shift lever of the transmission as well as the position of the pus

4、h-pull cable terminal ball joint coordinate areparameterized, and minimum change of shifter handle is taken as the optimization target. Compared with the original shifter system, the optimized solution only changed N and D positions of the handle to match with the new transmission, and is also appli

5、ed successfully in real vehicle platform.Key words：Automatic Transmission, Shifting System, Structure Parameter, Optimization基于有限元的车门模态分析与优化研究雷明准 张丰利 王建楠 陈剑（合肥工业大学）【摘要】利用Patran和Nastran软件对车门进行了有限元建模和模态分析，得到了车门的固有频率和振型。车门的计算结果和试验结果对比分析表明，所建立的有限元模型较好的反映了原结构的振动特性；车门与整车存在相近频率。通过优化车门上部分零件的厚度可避开相近频率，为今后新车门

6、开发打下了技术基础。关键词：车门, 模态分析, 有限元,优化Modal Analysis and Study on Optimization of Car Door Based on Finite Element MethodLei Mingzhun, Zhang Fengli ,Wang Jiannan, Chen Jian( Hefei University of Technology)【Abstract】The finite element modeling and modal analysis for a car door are carried out by using softwa

7、re Patran and Nastran, and the inherent frequency as well as vibration types are also gained. The contrastive analysis of the car doors computed results and tests results shows that the finite element model of car door well represents the vibration characteristics of the original structure; and the

8、car door and complete vehicle have similar frequency. It is possible to avoid having similar frequency by optimizing the thickness of some parts on the car door, which provides a techincal basis for car door development in the future.Key words: Car Door, Modal Analysis, Finite Element Method, Optimi

9、zation柴油机混合动力总成硬件在环仿真系统硬件设计刘志 羌嘉曦 陈自强 敖国强 杨林（上海交通大学）【摘要】介绍了一种新型集成硬件在环仿真系统，并利用该仿真系统进行了柴油机动力总成系统和混合动力控制器的仿真试验。结果表明，该集成式硬件在环系统在集成了两种硬件在环仿真系统功能的同时，还可以对仿真系统和仿真策略进行优化，可为柴油机动力总成控制系统和混合动力总成控制系统的前期开发提供很好的仿真平台。关键词：柴油机 混合动力总成 硬件在环仿真系统 Hardware Design for Hardware-in-the-loop Simulation System of Diesel Hybrid

10、PowertainLiu Zhi Qiang Jiaxi Chen Ziqiang Ao Guoqiang Yang lin(Shanghai Jiaotong University)【Abstract】An integrated hardware-in-the-loop simulation system was introduced in this paper, and diesel powertrain and hybrid powertrain controller simulation tests were carried out on this system. The result

11、s indicate that this system not only integrated two kinds of functions for hardware-in-the-loop simulation system, but also optimized the simulation system and simulation strategy, which provide a better simulation platform for the advance development of diesel powertrain and hybrid powertrain contr

12、ol system.Key words: Diesel Engine; Hybrid Powertrain; Hardware-in-the-loop Simulation System汽车离合器起步阶段局部模糊控制研究肖勇明 孙冬野 秦大同 杜亮（重庆大学 机械传动国家重点实验室）【摘要】针对机械式自动变速器(AMT)的关键问题离合器起步控制，在模糊控制的基础上提出局部模糊控制策略，并建立了局部模糊控制规则。通过计算机仿真、试验分析表明，该控制策略能够反映驾驶员起步意图，使车辆迅速平稳起步，可进一步减少滑摩功；同时可提高模糊控制性能，增强离合器起步控制的实时性。关键词： 离合器 起步 模糊控

13、制 Research on Partial Fuzzy Control of Car Clutch in Starting PhaseXiao Yongming, Sun Dongye, Qin Datong, Du Liang (State Key Laboratory of Mechanical Transmission, Chongqing University)【Abstract】Aiming at the key problem for automated mechanical transmission (AMT) - control of clutch in the startin

14、g phase, the partial fuzzy control strategy is proposed on the basis of fuzzy control, and the rule of partial fuzzy control is set up. Through computer simulation and experimentation analysis, it was found that this strategy can reflect drivers starting intent, and enable the car start fast and smo

15、othly, so as to further cut down sliding friction power;. meanwhile the performance of fuzzy control is improved and the real time performance of the control of clutch starting is also enhanced. Key words: Clutch; Starting; Fuzzy control基于D-S证据理论的汽车换挡品质主观评价方法陈刚 张为公 龚宗洋 孙伟（东南大学）【摘要】针对汽车换挡品质传统主观评价方法的不

16、足，提出了一种基于D-S证据理论的换挡品质评价方法。该方法利用人的感觉器官作为“仪器”，通过D-S证据理论对不同驾驶员给出的评价结果进行数据融合，以实现群决策层次多人评价意见的证据合成。试验结果表明，该方法克服了传统主观评价方法的模糊和不确定性，得到的评价结果与实际情况一致，能准确、可靠地评价换挡品质。主题词：汽车 换挡品质 主观评价 D-S证据理论Subjective Evaluation Method for Automobile Shift Quality Based on D-S Evidence TheoryChen Gang Zhan Weigong Gong Zongyang S

17、un Wei(Southeast University)【Abstract】Aiming at the deficiency of traditional subjective evaluation methods for automobile shift quality, a new method for shift quality evaluation based on D-S evidence theory is proposed. Peoples sense organs are adopted as instrumentation in the proposed method and

18、 group decision making with evaluation results from various drivers is aggregated by means of D-S evidence theory. Experimental results show that the proposed method can solve the ambiguity and uncertainty of traditional subjective evaluation methods and achieve accurate and credible automobile shif

19、t quality evaluation with its results in consistence with reality.,.Key words: Automobile, Shift Quality, Evaluation, D-S Evidence Theory汽车钢板弹簧快速设计中相似度的计算方法何彬1,2 李刚炎1 汤银霞3（1.武汉理工大学；2.黄石理工学院；3.东风汽车悬架弹簧有限公司）【摘要】针对现有汽车钢板弹簧在设计效率、资源利用率及设计精度等方面的不足，立足于产品设计特点和工程实际需求，提出一种基于相似工程的汽车钢板弹簧快速设计中的相似度计算方法。以某型轻型载货车的前

20、悬架钢板弹簧设计为例进行试验验证，结果表明，利用所提出的设计计算方法得出的设计结果完全符合使用要求，证明了该方法的可行性。主题词：钢板弹簧，快速设计，相似工程，相似度A Method of Calculating Similarity in Rapid Design of Vehicle Leaf-SpringHe Bin1, 2 Li Gangyan1 Tang Yinxia(1. Wuhan University of Technology; 2. Huangshi Institute of Technology)【Abstract】Considering the current defi

21、ciencies of design efficiency, resource reuse and design accuracy of vehicle leaf-spring, a method of similarity calculation in rapid design for vehicle leaf-spring with similarity engineering is presented based on product design features and specific engineering requirements. The design of front su

22、spension leaf spring on a light-duty truck is taken as an example to testify this method, and the results show that the design with proposed calculation method is totally complied with the use requirements, and this method is feasible.Key words: Leaf-Spring, Rapid Design, Similarity Engineering, Sim

23、ilarity汽车减振器活塞孔对常通节流孔面积设计的影响刘瑞军 周长城 赵以强( 山东理工大学)【摘要】对减振器油液沿程和局部节流损失进行了分析，建立了基于速度特性的减振器常通节流孔面积曲线拟合优化设计方法，利用该方法对活塞孔的影响进行了研究。对常通节流孔面积进行实例优化设计，分别对活塞孔直径和个数的影响及变化规律进行了分析，并对不同活塞孔减振器进行了特性试验。结果表明，基于速度特性的常通节流孔面积优化设计方法及活塞孔的影响分析具有实际指导价值。关键词：筒式减振器 常通节流孔 流通面积 活塞孔Influence of Piston Holes on Design of Throttle Hol

24、es Area for Shock AbsorberLiu Ruijun, Zhou Changcheng，Zhao Yiqiang(Shandong University of Technology) 【Abstract】The optimized design method for throttle holes area curve fit was established based on velocity characteristic after analyzing the flowing course and local throttle pressure loss of shock

25、absorber oil, ,and the influence on piston holes were studied with this method in the paper. A practical design example of throttle holes area was optimized, the influence and changing rule of piston holes diameter and quantities were analyzed, and the performance tests of shock absorber with differ

26、ent piston holes were carried out. The results show that the design methods of throttle holes area and the effect analysis of piston holes based on velocity characteristics are of practical guiding significance. Key words: Telescopic shock absorber，Throttle holes，Flow area，Piston holes基于行人保护的发动机罩铰链研

27、究葛如海 吴淼 陈晓东 车彬彬 （江苏大学）【摘要】针对发动机罩铰链区域对满足行人头部保护要求存在的不足，设计了一种新式压溃式铰链。采用Hypermesh软件建立了该铰链的有限元模型，并进行了试验验证。应用有限元软件Nastran对原始铰链和新铰链进行静强度仿真比较可知，新式压溃式铰链的横向强度更好。按照欧洲行人保护法规应用有限元软件LS-DYNA对新铰链和原铰链进行行人保护性能仿真比较可知，使用压溃式铰链使行人的头部伤害值HIC由原来的1420下降到了940，表明压溃式铰链在横向强度提高的基础上具有更好的行人头部保护性能。 关键词：行人头部保护 发动机罩铰链 碰撞 有限元Study on E

28、ngine Hood Hinge Based on Pedestrian ProtectionGe Ruhai, Wu Miao, Cheng Xiaodong, Che Binbin （Jiangsu University）【Abstract】Aiming at the deficiency of engine hood hinge area to fulfill the requirements of pedestrian head protection, a new type collapsible hinge is designed in this article. The FEA m

29、odel of the new hinge is established on software Hypermesh and is validated by tests. It is found that the new hinge has stronger horizontal strength by simulation and comparison of static strength for new hinge and original one on software NASTRAN. According to specifications set forth in European

30、Pedestrian Protection Law, software LS-DYNA is used to simulate and compare the performances of new hinge and original one in terms of pedestrian protection and it is found that the HIC drops to 940 from 1420 when the collapsible hinge is used, which indicates the collapsible hinge has stronger hori

31、zontal strength and better pefromacne of pedestrians head protection.Key words：Pedestrian Head Protection; Engine Hood Hinge; Collision; Finite Eelement新型车载油气回收装置设计韦海燕1,2 何仁1 蔡锦榕1(1.江苏大学；2.广西大学)【摘要】针对某液封式车载油气回收装置(ORVR)存在的缺陷进行了分析，提出了新型ORVR的技术方案，并设计了新型ORVR。试验结果表明，新型OVER加油枪可自动关闭而不受油气压力变化的影响，在加满油前不会出现提前

32、停喷的现象，且油气压力的升高比较平缓，加油管内的燃油不会反溅向加油者；采用新型ORVR后汽车的加油排放量相对减少，加油排放的控制更加安全可靠。关键词： 车载油气回收装置 设计 排放Design of New ORVR System for Gasoline VehicleWei Haiyan1,2 He Ren1 Cai JinRong1(1. Jiangsu University; 2. Guangxi University)【Abstract】 Based on the analysis of the defects for a liquid-seal ORVR, the new ORVR

33、 is designed with newly proposed technical scheme The test results show that the new type filling gun can turn off automatically, not affected by the changes of oil-gas pressure, and not stop filling before tank is full with a smooth increase of oil-gas pressure, which will not cause oil inside fill

34、ing pipe to splash over working staff; the refueling emissions are reduced correspondingly after applying this new type of ORVR system and the control of refueling emissions becomes more safer and reliable.Key words: ORVR; Design; Emission设计交叉双臂式升降系统应注意的问题 包寿红（浙江豪情汽车制造有限公司）【摘要】以某公司一段时间内的交叉双臂式升降器故障统计

35、数据为例，通过对交叉双臂式升降器运动特性的分析研究，阐述了用该种升降器设计升降系统时后方固定架、玻璃内密封条、玻璃导槽、后玻璃隔板泥槽、后方固定架与水平方向的夹角和玻璃升降导轨等对系统产生的影响。通过改进前、后的对比测试表明，改进后的升降系统在从动臂变形、泥槽破裂等方面有明显改善，解决了玻璃升降器从动臂变形和后方固定架变形的问题。主题词：交叉双臂式升降器 结构 改进Points for Attention in Designing Double-Arm Crossed Lifting SystemBao Shouhong(Zhejiang Haoqing Automobile Manufact

36、uring Co., Ltd.)【Abstract】 Based on the statistical data of troubles and the kinematical characteristics analysis for the double-arm crossed lifter in a company, the effects of rear fix bracket, glass inner sealing strip, glass guide slot, rear glass mud slot, angle between rear fix bracket and hori

37、zontal direction, glass lifting guide rail etc on the lifting system during design process are discussed. The comparison tests before and after improvement show that the modified lifting system has obvious improvement in terms of deformation of driven lever and fracture of mud slot etc, which solves

38、 the problems of driven lever and rear fix bracket deformations.Key words: Double-arm Crossed Lifter, Structure, Modification基于耐撞性能的白车身简化模型建模研究李楠1 高卫民1,2 戴轶2（1.同济大学； 2. 上海汽车股份有限公司技术中心）【摘要】以白车身前纵梁为例，基于白车身的耐撞性能对设计初期简化模型的建模进行了研究。引入神经网络技术实现了白车身耐撞性能参数与梁单元特性参数的非线性映射，通过提取和储存梁单元的特性参数，实现了梁单元模型对传统壳单元有限元模型的等效替

39、代和模型优化。研究表明，通过神经网络技术得到的梁单元模型能够准确体现白车身的正碰特性参数，可在概念设计阶段对车身耐撞性进行有效预测。关键词：白车身 碰撞 神经网络 梁单元 建模Research on Simplified BIW Model Base on Vehicle CrashworthinessLi Nan1, Gao Weimin1,2, Dai Yi2(1.Tongji University; 2. SAIC Motor R&D Center.)【Abstract】BIW front side rail is taken as an example to study modelin

40、g of the simplified BIW model at design initial phase base on vehicle crashworthiness. The non-linear imaging of BIW crashworthiness parameters and beam element characteristic parameters is implemented by using neural network technology, and through extracting and saving characteristic parameters of

41、 beam element, the equivalent replacement and model optimization are achieved between beam element and conventional shell element models. The analysis shows that the optimized beam element model can accurately capture the frontal crash characteristics of BIW, and predict the vehicle body-in-white cr

42、ash performance in concept design stage.Key words: BIW; Crash; Neural Network; Beam Eelement; Modeling在用车ASM测试结果的分析研究刘平 李人宪(西南交通大学) 【摘要】基于ASM的测试方法建立了测试数据库，并以数据库的数据为基础，研究了速度波动对排放测量结果的影响，讨论了公差带宽与司机助显示模式和车辆技术状况的关系，并对ASM各工况段排放不合格率的规律进行了分析.基于分析结果对ASM测试提出了改进建议。主题词:排放 ASM测试 车速波动 Analysis and Study of ASM M

43、easurement Results for In-use Gasoline VehicleLiu Ping Li Renxian(Southwest Jiaotong University)【Abstract】The testing database is founded based on ASM method and its data is used to study the effects of speed fluctuation on emission results, to discuss the relation between tolerance range, driver di

44、splay mode and vehicle technical status, and to analyze the rule of unqualified emission rate in different ASM stages. Finally the improvement proposal to ASM test is presented based on the analysis results.Key words：Emission; ASM Test; Speed Fluctuation预置条件对汽油车工况法排放影响的试验研究闵照源 金松涛 刘剑(重庆车辆检测研究院 国家客车质

45、量监督检验中心)【摘要】根据GB18352.3-2005的规定，在不同预置条件下对同一辆样车进行型排放试验。分析了预置条件的变化对样车排放测试结果的影响，指出造成测试结果波动的主要原因是起动瞬间的空燃比在不同机油温度下发生了变化，预置温度越高，起动时的空燃比越高，CO和HC排放量会越低。指出在车辆标定时要控制好起动空燃比，在试验过程中要严格控制预置温度和时间。主题词：汽油车 排放 预置条件 Test and Study on Influence of Preset Condition on Gasoline Vehicle EmissionMin Zhaoyuan, Jin Songtao,

46、Liu Jian(National Coach Quality Inspection and Test Center, Chongqing Vehicle Test and Research Institute)【Abstract】According to GB18352.3-2005, type I emission test is done on a vehicle under different preset conditions. After analyzing the influence of preset condition changes on vehicle emission,

47、 the main reason for the fluctuation of test results is pointed out: air-fuel ratio changes with engine oil temperature at the moment of starting-up, the higher the preset temperature is, the higher air-fuel ratio becomes at the moment of starting-up, and the lower the CO and HC emission would be. I

48、t also indicates that starting-up air-fuel ratio should be under proper control during calibration, and the preset temperature as well as time should also be controlled strictly in the process of tests.Key words: Gasoline vehicle; Emission; Preset condition柴油机活塞环缸套摩擦学特性研究鹿云(中国第一汽车集团公司技术中心) 【摘要】利用CETR摩擦磨损试验机测试分析了柴油机常用的4种表面功能层活塞环与4种合金铸铁材料缸套摩擦副的摩