基于LuGre模型的轮胎原地转向模型(DOC 20页)

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1、汽车技术杂志2008年第7期摘要目 次基于LuGre模型的轮胎原地转向模型（摘要链接）1轿车排气噪声的准定常CFD研究（摘要链接）2微型客车乘员约束系统的仿真研究及碰撞损伤防护（摘要链接）3基于MADYMO的车辆前端结构正面抗撞性概念阶段设计方法（摘要链接）4商用车前下部防护法规和国外典型设计结构分析（摘要链接）5基于GB20071-2006的侧面碰撞移动变形壁障数值模型设计开发（摘要链接）6基于模糊神经网络的汽车换挡品质评价系统（摘要链接）7汽车悬架系统多级减振刚度弹簧性能及实例数模（摘要链接）8军用战术车辆平顺性评价方法及指标限值的研究（摘要链接）9轻型货车碰撞安全性改进设计（摘要链接）1

2、0主动控制式限滑差速器结构分析及其性能评价（摘要链接）11汽车排气消声器的试验研究及频谱分析（摘要链接）12轮胎气压监测系统试验方法分析与研究（摘要链接）13油气弹簧台架试验中的数据处理（摘要链接）14汽车转鼓试验非线性动力学特性与影响因素分析（摘要链接）15柔性装配偏差分析在白车身焊装尺寸质量控制中的应用（摘要链接）16汽车线束CAPP系统开发（摘要链接）17基于LuGre模型的轮胎原地转向模型庄晔 郭孔辉（吉林大学 汽车动态模拟国家重点实验室）【摘要】基于LuGre摩擦模型的轮胎原地转向模型可表达不同轮胎刚度和载荷、不同输入频率、不同摩擦特性等工况下的回正力矩随转动角的变化关系，适于进行轮

3、胎模型相关实时仿真运算及控制系统研究。讨论了该模型的建立过程和模型参数对轮胎转向特性的影响，进行了参数的辨识及模型仿真计算与试验结果的对比，结果表明二者有较好的一致性。关键词： 轮胎 原地转向 LuGre模型 Tire Spot Turn Model Based on LuGre ModelZhuang Ye, Guo Konghui(The state key laboratory for vehicle dynamic simulation, Jilin University)【Abstract】The spot turn model based on the LuGre friction

4、 model can show the relation between aligning torque and steering angle under the conditions of different tire stiffness and load, different input frequency and different friction characteristic etc, and suitable to real-time simulation and operation of tire model and control system study. The estab

5、lishing process and influence of the model parameters on the steering characteristic of tire are discussed, the comparison between the test data and the simulation calculation was carried out, and the results have good consistency.Key words: Tire, Spot turn, LuGre model轿车排气噪声的准定常CFD研究肖国权 杨志刚(同济大学) 【

6、摘要】采用两种方案建立了某轿车排气谐振器和消声器模型。针对方案1模型在某工况下进行的定常与非定常对比表明，发动机排气流动可近似为准定常过程。对两种方案发动机排气流动进行的准定常及宽频带声场分析表明，排气质量流率一定时加速阶段比减速阶段的传递损失大；与方案1相比，方案2大多数工况下的传递损失和压力损失小，但在急加速初期传递损失要大2.2dB(A)；在快速松开加速踏板时传递损失要大11.9dB(A)，而压力损失降低15%45%。主题词：排气噪声 准定常过程 计算流体力学Investigation on Exhaust Noise Based on Quasi-steady CFD MethodXi

7、ao Guoquan, Yang Zhigang (Tongji University)【Abstract】The exhaust resonator and muffler model were established by using two different schemes. The steady and unsteady comparisons of 1# scheme show that engine exhaust flow may be considered as quasi-steady process. The quasi-steady and broadband acou

8、stic fields of engine exhaust flow for two different schemes were analyzed, the results show that the transmission loss of accelerating stage was more than that of decelerating stage at the same airflows mass flux, in the most engine operating conditions, the pressure loss and the transmission loss

9、of 1# scheme were more than those of 2# scheme, but the transmission loss of 2# scheme increased by 2.2dB(A) at the initial accelerating stage and 11.9 dB(A) at the decelerating stage respectively, the pressure transmission loss also reduced by 1545% at the decelerating stage.Key words: Exhaust nois

10、e; Quasi-steady process; CFD微型客车乘员约束系统的仿真研究及碰撞损伤防护段 敏1 石 晶1 孙万杰2 赵 治1 李超1（1.辽宁工业大学 ；2.锦州锦恒汽车安全系统有限公司）【摘要】应用多刚体动力学和有限元理论，在MADYMO软件中建立了包括车体、安全带、安全气囊和假人的微型客车驾驶员约束系统模型。综合考虑安全带、安全气囊参数对模型进行调整，较真实再现了正面碰撞试验过程，并完成了对乘员头部伤害指数、胸部性能指标和大腿性能指标的仿真计算。与实车碰撞试验结果对比可知，该模型满足了工程计算要求。关键词： 微型客车 乘员约束系统 模型 正面碰撞 Research on Fr

11、ontal Impact Simulation of Passenger Restraint System and Injury Prevention for Mini-vanDuan Min1, Shi jing1, Sun Wanjie2, Zhao zhi1, Li Chao1(1.Liaoning University of Technology; 2. Jin Heng Automobile Safety System Co., Ltd.)【Abstract】 Based on the software MADYMO, the passenger constraint system

12、model including body, safety belt, air bag and dummy for a mini-van was established by using multi-rigid dynamics and FEM theory. The model was adjusted in consideration of parameters of seat belts and air bags, and the process of frontal impact test is truly reproduced, and simulation calculation o

13、f passenger head injury index, chest performance index and thigh performance index were completed. Contrasting with the vehicle impact test, calculation results satisfy the requirement of engineering.Key words: Mini-van; Passenger constraint system; Model; Frontal Impact基于MADYMO的车辆前端结构正面抗撞性概念阶段设计方法唐

14、洪斌1 王登峰2(1.中国第一汽车集团公司技术中心；2. 吉林大学)【摘要】运用多刚体分析理论提出了一种新的方法：在概念设计阶段通过对标分析，确定所开发车辆车体碰撞特性区间；利用MADYMO分析软件通过多刚体系统动力学法确定车辆前端结构不同断面性能参数；由结构数据库中查找断面性能相同或相近的结构，利用LS-DYNA分析软件通过有限元法对车辆前端结构进行校核分析，最终实现车辆前端结构概念设计阶段正面抗撞性设计。主题词：车辆前端结构 正面抗撞性 概念设计Design Method of Frontal Structure Impact in Concept Phase Based on MADYM

15、O Tang Hongbin1, Wang Dengfeng2(1.China FAW Group Corporation R&D Center; 2. Jilin University)【Abstract】A new method in the concept phase is put forward by applying multi-rigid-body analysis theory: confirming the vehicle body impact characteristic region by benchmark, the different sections perform

16、ance parameters of frontal structure were confirmed by using software MADYMO and multi-rigid-body system dynamics method, the same section performance or approximate structure were found in structure database, the frontal structure were checked and analyzed by using software LS-DYNA and FEM, finally

17、 the frontal impact design of frontal structure in concept phase was realized.key words：Frontal structure; Frontal impact; Concept design商用车前下部防护法规和国外典型设计结构分析 刘丽亚1 苏玉萍1 郭立群1 王登峰2（1、中国第一汽车集团公司技术中心；2、吉林大学）【摘要】通过统计分析乘用车与商用车的各种实际碰撞事故类型数据,证明了正面碰撞造成的乘用车乘员伤亡率最大。在正面碰撞中，为了防止乘用车钻入商用车前下部和保护乘用车乘员的安全， ECE R93法规强

18、制要求商用车安装前下部防护。通过分析商用车前下部防护法规ECE R93的技术内容及其未来的提高方向，以及国外公司采用的典型设计结构可知，吸能型前下部防护是目前的研发方向。关键词：商用车 前下部防护 ECE法规 典型结构Lower Front Part Protective Regulations for Commercial Vehicles and Analysis of the Typical Design Structure AbroadLiu Liya1 SU Yu-ping1 Guo Liqun1 Wang Dengfeng2(1. FAW Group Corporation R&D

19、 Center 2. Jilin University)【Abstract】Through statistical analysis of various types of crash data of passenger cars and commercial vehicles, it is proved that the frontal crashes caused the largest casualty rates of the crew of the passenger cars. In a frontal impact, in order to prevent passenger c

20、ars from underrunning the lower front part of commercial vehicles and protect the passengers safety, regulation ECE R93 demands compulsorily all commercial vehicles to install underrun protection in the lower front part of vehicle. It is concluded from the analysis of technical content and the futur

21、e enhancing trend of regulations ECE R93 and the typical design structure of foreign companies. The energy-absorptions lower front part protections are the recent development trend.Key words: Commercial vehicles; Lower Front underrun protection; ECE regulations; Typical structure 基于GB20071-2006的侧面碰撞

22、移动变形壁障数值模型设计开发王丽娟1 范子杰2 桂良进2 王青春2（1南昌大学；2 清华大学汽车安全与节能国家重点实验室）【摘要】基于GB200712006法规对移动变形壁障（MDB）的性能要求，建立了MDB数字化模型。基于渐进式吸能块结构，采用弹塑性与可压溃泡沫材料组合模型模拟吸能块的变形行为，根据法规规定的碰撞块力变形曲线，进行吸能块各层材料刚度特性分配并构造了满足法规要求的碰撞块材料参数。进行了碰撞性能校核，在保证计算结果符合法规要求的同时获得了很高的计算效率。关键词：侧面碰撞 移动变形壁障 有限元 校核 The Design of Side Impact Mobile Deformab

23、le Barrier Numerical Model Based on GB20071-2006Wang Lijuan1, Fan Zijie2, Gui Liangjin2, Wang Qingchun2(1. Nanchang Univeristy; 2. Tsinghua University State Key Laboratory of Automotive Safety and Energy Conservation)【Abstract】A MDB numerical model is established based on the requirement of GB20071-

24、2006 regulation concerning mobile deformable barrier performance. Based on the structure of progressive barrier, the combined model made of plastic and collapsible foam material is used to simulate deformation of barrier, and rigidity characteristic of different layers material is distributed and th

25、e material parameters of barrier are constructed according to the force-deformation curve of MDB. The check of impact performance is carried out, the simulation results satisfy the regulation requirements, and the model obtains high computing efficiency. Key words: Side impact; Mobile deformable bar

26、rier (MDB); FEM; Check基于模糊神经网络的汽车换挡品质评价系统陈刚 张为公 龚宗洋 孙伟（东南大学）【摘要】应用MATLAB软件设计了基于模糊神经网络的汽车换挡品质评价系统。对换挡过程中由仪器测得的客观评价指标和由驾驶员给出的相应主观评价构成的样本向量进行学习和训练，建立了客观评价指标和主观感觉之间的联系。试验结果表明，该系统误差精度为0.060012，即系统评价结果与主观评价结果基本一致，能够客观有效地评价换挡品质。主题词：汽车 换挡 品质 评价系统 模糊神经网络Evaluation System for Automobile Shift Quality Based on

27、 Fuzzy Neural NetworkChen Gang, Zhan Weigong, Gong Zongyang, Sun Wei(Southeast University)【Abstract】Based on fuzzy neural network, an evaluation system for automobile shift quality was developed by using software MATLAB. The objective evaluation index measured by instrument and the subjective evalua

28、tion index from different drivers during the process of shift were studied and trained, and the relationship between the objective and subjective evaluation index was built. The experimental results show that the results of system evaluation have a good consistency with the results of subjective eva

29、luation, whose error accuracy is 0.060012. Consequently, the established method can achieve the evaluation for shift quality effectively and objectively.Key words: Automobile; Shift; Quality; Evaluation system; Fuzzy Neural Network汽车悬架系统多级减振刚度弹簧性能及实例数模黎孟珠 (桂林航天工业高等专科学校) 【摘要】介绍了汽车多级减振刚度悬架系统的基本特点，建立了4

30、级减振刚度悬架的数学模型并进行了分析计算。以BJ1041货车为例计算了满足舒适性要求时的减振刚度，研究和掌握了4级刚度螺旋弹簧减振规律。通过计算表明，4级刚度螺旋减振弹簧通过合理匹配，可获得与空气悬架相近的减振性能。关键词：悬架；多级刚度弹簧；数学模型Mechanical Performance and Real Mathematical Model of Multi-grade Damping Rigid Suspension of AutomobileLi Mengzhu(Guilin College of Aerospace Technology)【Abstract】Fundamenta

31、l features of multi-grade damping rigid suspension of automobile are introduced, and the mathematical model is built for four-grade damping rigid suspension of automobile and calculative analysis has been done. In order to research and master the law of four-grade rigidity damping, we take truck BJ1

32、041 as an example to calculate damping rigidity which meets the comfort requirement. The calculations show that four-grade damping rigidity spring can obtain similar damping performance of air spring. Key words: Suspension; Multi-grade rigid spring; Mathematical model军用战术车辆平顺性评价方法及指标限值的研究高树新 汪立民 谢伯元

33、(总装汽车试验场)【摘要】归纳、分析了我国民用汽车和美军战术车辆现有的平顺性评价方法，并按路面输入激励类型划分为随机输入评价方法和脉冲输入评价方法。从评价对象、评价内容、评价指标和适用范围等方面探讨了各评价方法的优劣、应用局限性和相互间的差别，提出了我军战术车辆平顺性评价方法和指标限值。关键词：军用战术车辆 平顺性 评价方法 指标Research on Evaluation methods and Indexes Limit of Military Tactical Vehicle Ride ComfortGao Shu-xin， Wang Li-ming，Xie Bo-yuan(The Ve

34、hicle Proving Ground of General Armament Department of PLA)【Abstract】The present evaluation methods of ride comfort for commercial vehicle of China and American military tactical vehicle are summarized and analyzed, and the random input method and impulse input method are divided according to road i

35、nput types. The differences, advantages, disadvantages and limitations of different evaluation methods are discussed from the aspects such as evaluation objects, evaluation contents，evaluation indexes and application scope etc, and the evaluation methods and indexes limit of ride comfort of Chinese

36、military tactical vehicle are presented.Key words：Military tactical vehicle; Ride comfort; Evaluation method; Index轻型货车碰撞安全性改进设计王晓峰 王 健 (大连理工大学)【摘要】针对轻型货车前部吸能区短、发生正面碰撞时吸能效果差的特点，提出了改进货车车架和保险杠之间缓冲吸能区的方案。通过分析改进前与改进后各测试点X向位移、整车加速度及保险杠系统能量变化情况表明，在整车前部长度不增加的情况下，改进后的结构有效降低了正面碰撞中的加速度，改善了吸能效果，对提高轻型货车碰撞安全性有重要

37、作用。关键词：轻型货车；车架；保险杠；碰撞安全性 The Structure Improvement of Light-Duty Truck Crash Safety Wang Xiaofeng，Wang Jian (Dalian University of Technology)【Abstract】In view that the front part of light-duty truck is short which attracts the crash energy and the inferior capability to absorb the crash energy when

38、the front crash happens, a solution of buffer region improvement between the frame and the bumper had been proposed. The result indicated that in the case of having not increased the front parts length, the modified structure reduced the acceleration of front crash and improved the energy-absorption

39、, and had played an important role on the improvement of light-duty truck crash safety.Key words: Light-duty truck; Frame Bumper; Crash safety主动控制式限滑差速器结构分析及其性能评价王云成 王建华 付铁军 张宝生（吉林大学）【摘要】对电液式、电磁式和电机式主动控制限滑差速器结构特点和工作原理进行了分析，提出以内摩擦转矩（限滑转矩）、锁紧系数、转矩比、差速器效率、差速器传动效率等性能参数来综合评价主动控制式限滑差速器的性能。推荐采用限滑转矩与左、右半轴转速

40、差关系曲线来表征基本限滑性能；采用锁紧系数和转矩比时间历程曲线来表征动态限滑性能；采用锁紧系数、转矩比分布直方图对限滑性能进行统计分析。主题词：限滑差速器 主动控制 结构 性能评价Analysis on the Structure of Active Control LSD and Performance EvaluationWang Yuncheng, Wang Jianhua, Fu Tiejun, Zhang Baosheng(Jilin University)【Abstract】The structural characteristic and working principle of

41、 active control limited-slip differential (ALSD)-electro-hydraulic ALSD, electro-magnetic ALSD and motor-type ALSD were analyzed in this paper, the inner friction torque (limited-slip torque), locking factor, torque ratio, differential efficiency and differential transmission efficiency etc were use

42、d to evaluate the performance of active control LSD. It is recommended to use the relation curve between limited-slip torque and left, right half axle rotational speed difference to reflect the basic limited-slip performance, the curve between locking factor and torque ratio time course to reflect d

43、ynamic limited-slip performance, the locking factor and torque ratio distribution graph to analyze the limited-slip performance.Key Words：LSD；Active control；Structure; Performance Evaluation汽车排气消声器的试验研究及频谱分析范钱旺1 沈颖刚2 石玲2 张韦2 （1. 同济大学；2 昆明理工大学）【摘要】采用声压级测量法测试出YC4W31柴油机排气消声器需要优化的频率范围。建立了原消声器计算模型，并验证了该模

44、型的正确性。基于传递矩阵法提出两种改进方案，并依据试验结果对改进后排气消声器进行了频谱分析。结果表明，在频率低于400Hz时，按方案2改进的消声器比按方案1改进的消声器消声量提高3 dB（A）左右；比原消声器消声量平均提高7 dB（A）左右。关键词：排气消声器 试验 频谱分析 The Experimental Study and Spectrum Analysis of Automobile Exhaust MufflerFan Qianwang1, Shen Yinggang2，Shi Ling2,Zhang Wei2（1 Tongji University 2 kumming Univer

45、sity of Science and Technology）【Abstract】The frequency range which the exhaust muffler of diesel engine YC4W31 needs to be optimized was tested by using the acoustic pressure level method. The calculation model of muffler was established, and the correctness of this model was validated. Based on the

46、 transmission matrix technique, two kinds of modified schemes were presented, and the spectrum of modified muffler was analyzed according to the test results. The results show that in case of frequency below 400Hz, the sound-deadening values of 2# muffler increase about 3 dB (A) than the 1# one, and

47、 increase about 7 dB (A) than the original one.Key words：Exhaust muffler; Experiment; Spectrum analysis轮胎气压监测系统试验方法分析与研究高明秋 许志光 赵斌(中国汽车技术研究中心)【摘要】在分析TPMS功能和特殊性的基础上进行了TPMS试验方法的研究，分析了国际标准和国内企业标准的试验内容，通过试验总结出了针对TPMS基本功能的实车测试方法、针对系统性能的试验室模拟测试方法和考核系统环境适应性的试验方法，并设计了专用的试验设备。文中介绍的方法和试验设备可基本满足TPMS产品的测试要求。 主题

48、词：轮胎 TPMS 测试方法Analysis and Study on Test Methods of Tire Pressure Monitoring SystemGao Mingqiu，Xu Zhiguang，Zhao Bin（CATARC）【Abstract】Based on the analysis of TPMS functions and particularity, the test methods of TPMS were studied, the test contents of international and domestic corporation standards

49、 were analyzed, and the trial vehicle test methods with TPMS function, the lab simulation test methods for system performance and test methods for assessing the adaptability of system environment were also summarized, then the special test equipment were designed. The methods and test equipment intr

50、oduced in this paper can basically meet test requirement of TPMS.Key words: Tire; TPMS; Test method油气弹簧台架试验中的数据处理黄贤广(聊城大学)【摘要】介绍了根据BJ2020JC车型改装设计的油气弹簧结构及工作原理。基于最小二乘法原理，采用多项式拟合方法，利用ORIGIN软件对所设计的油气弹簧的台架试验数据进行了处理，拟合出了精度较高的刚度特性曲线、示功图和速度特性曲线，良好地反映了该油气弹簧的工作性能。结果表明，所建数学模型正确，且数据处理方法简便可行，可用于指导油气弹簧的设计。主题词：油气弹

51、簧 台架试验数据 最小二乘法 曲线拟合 Data Processing in the Bench Test of Oil-gas SpringHuang Xianguang(Liaocheng University)【Abstract】The structure and working principle of oil-gas spring which was re-designed according to BJ2020JC were introduced in this paper. Based on the least-square principle, the bench test d

52、ata of oil-gas spring were processed by using the polynomial fitting method and software ORIGIN, and the stiffness curve, the indicating diagram and the velocity curve with high precision were also obtained, these curves truly reflected the performance of oil-gas spring. The results show that the ma

53、thematical model is correct, data processing method is simple and feasible, and can guide the design of oil-gas spring.Key Words: Oil-gas spring; Bench test data; Least-square principle; Curve fitting汽车转鼓试验非线性动力学特性与影响因素分析张乐祎张立军 徐倜凡 张健（同济大学） 【摘要】针对道路试验车辆和转鼓试验车辆分别建立了非线性动力学分析模型，通过仿真结果的对比分析阐明了转鼓试验可能导致的误

54、差,进而通过对转鼓试验系统中车辆固定方式、非驱动轮胎固定方式、转鼓模拟转动惯量和动态响应控制标准的灵敏度仿真分析，指出了影响转鼓试验模拟精度的关键因素，提出了动态响应的改进和控制措施。主题词：转鼓试验 非线性动力学 仿真Nonlinear Dynamics Characteristics and Influence Factors Analysis of Vehicle Chassis Dynamometer TestZhang Leyi，Zhang Lijun，Xu Tifan，Zhang Jian(Tongji University)【Abstract】Aiming at road tes

55、t and dynamometer test vehicle, the nonlinear dynamics models were built respectively, and the error of dynamometer test is explained by the comparison analysis of simulation results. Through simulation analysis, causes of test errors on dynamometer are found. Furthermore, studies on fixtures for ve

56、hicle body and non-driven wheels on dynamometer, inertia of dynamometer and sensitivity analysis demonstrate key factors for test precision of chassis dynamometer test, and the control and improved methods for dynamic response are proposed.Key words：Chassis dynamometer test, Nonlinear dynamics, Simu

57、lation柔性装配偏差分析在白车身焊装尺寸质量控制中的应用董丹丹1 李书森1 唐 亮2 叶 青1 （1.泛亚汽车技术中心有限公司；2.上海通用汽车公司）【摘要】针对汽车白车身焊装特点，介绍了一种柔性装配偏差分析方法，并利用该方法对某型汽车前舱总成焊装过程进行了模拟焊装试验。模拟试验结果表明，柔性装配偏差分析方法能够反映出实际焊装过程中零件尺寸偏差情况，并可通过敏感度分析快速找出产生问题的根本原因。通过实际应用验证了该方法的有效性。主题词：白车身 焊装 柔性装配偏差分析 Application of Elastic Assembly Variation Analysis in Dimensio

58、nal Quality Control of BIW WeldingDong Dandan1, Li Shusen1, Tang Liang2, Ye Qing1(1.Pan Asia Technical Automotive Center Co., Ltd; 2.Shanghai General Motors Corporation Limited)【Abstract】Based on the characteristic of BIW welding，a new method of elastic assembly variation simulation is introduced in

59、 this paper, the welding course of the front compartment is simulated by using this method. The simulation test results show that the method of elastic assembly variation simulation can reflect parts dimension variation in the course of welding, and quickly find out the root cause of problems throug

60、h sensitive analysis. The actual applications validate the validity of this method.Key words: BIW; Welding; Elastic Assembly Variation Simulation汽车线束CAPP系统开发周学良 阮景奎 胡明茂（湖北汽车工业学院）【摘要】采用Object ARX技术，基于AutoCAD软件开发了C/S结构的汽车线束CAPP系统，并阐述了该系统的基本原理及关键技术。该CAPP系统采用所见即所得的图形交互方式输入产品信息，在数据库中同时存储产品结构信息及对应图形的句柄，通过

61、图形句柄将两者关联起来，实现了产品信息的快速输入。利用单配工艺计算策略及工艺数据库的设计方法，实现了自动生成工艺及自动绘制单配工艺图。主题词：线束 CAPP系统 关键技术Development of Automobile Wiring Harness CAPP SystemZhou Xueliang, Ruan Jingkui, Hu Mingmao（Hubei Automotive Industries Institute）【Abstract】An automobile wiring harness CAPP system with a frame of C/S was developed

62、on the basis of AutoCAD by using Object ARX, and the basic principle and key technologies of it were also introduced. The system adopts WYSWYG (what you see is what you get) graphic interactive technology to input product information, both the structure information of products and the hand1es of the

63、ir corresponding drawing are stored in the database, in that they are related by drawing handles, so the quick input of product information were realized. In addition, the computing strategy for wiring technique and the method of designing process database are used to realize the automatic generation of technique drawing and the automatic plotting of technique drawing.Key words: Automobile wiring harness; CAPP system; Key technology