某微型客車制動(dòng)力分配優(yōu)化設(shè)計(jì)

1、目 次某微型客車制動(dòng)力分配優(yōu)化設(shè)計(jì)（摘要鏈接）1基于Excel平臺(tái)的車門氣壓阻效應(yīng)計(jì)算軟件的開發(fā)研究（摘要鏈接）2輪胎滾動(dòng)速度對(duì)車輛側(cè)偏特性的影響（摘要鏈接）3基于dSPACE的汽車驅(qū)動(dòng)力控制系統(tǒng)硬件在環(huán)研究（摘要鏈接）4基于拓?fù)鋬?yōu)化的重型貨車駕駛室輕量化技術(shù)研究（摘要鏈接）5基于MATLAB的汽車轉(zhuǎn)向力矩實(shí)時(shí)計(jì)算方法（摘要鏈接）6EGR影響高速直噴柴油機(jī)NOX和煙度排放機(jī)理的研究（摘要鏈接）7門飾板側(cè)碰安全性能分析及結(jié)構(gòu)優(yōu)化（摘要鏈接）8柴油機(jī)起動(dòng)過程瞬態(tài)測(cè)控系統(tǒng)設(shè)計(jì)（摘要鏈接）9汽車組合開關(guān)操作性能評(píng)價(jià)參數(shù)的規(guī)律性探索（摘要鏈接）10少片鋼板彈簧在實(shí)際應(yīng)用中的開發(fā)與設(shè)計(jì)（摘要鏈接）11汽車

2、懸架用磁流變阻尼器的性能試驗(yàn)研究（摘要鏈接）12減振器一體式空氣懸架的試驗(yàn)及靜剛度特性研究（摘要鏈接）13底盤測(cè)功機(jī)阻力設(shè)定對(duì)輕型車排放影響的試驗(yàn)研究（摘要鏈接）14轉(zhuǎn)向節(jié)軸承裝配質(zhì)量實(shí)時(shí)監(jiān)控系統(tǒng)的研究與開發(fā)（摘要鏈接）15某微型客車制動(dòng)力分配優(yōu)化設(shè)計(jì)王宣鋒 應(yīng)國增 黃朝勝（中國第一汽車集團(tuán)公司技術(shù)中心）【摘要】提出了M1類車輛空、滿載制動(dòng)力分配系數(shù)的計(jì)算公式。以理想制動(dòng)力分配曲線與實(shí)際應(yīng)用的兩段不同斜率制動(dòng)力分配線之間面積最小為優(yōu)化目標(biāo)，同時(shí)保證滿載狀況時(shí)的制動(dòng)效率不小于75%，優(yōu)化設(shè)計(jì)了某微型客車變比值的制動(dòng)力分配曲線?？紤]制動(dòng)器推出壓耗，建立了各軸制動(dòng)力與管路液壓的轉(zhuǎn)化公式，由優(yōu)化后的變

3、比值制動(dòng)力分配線確定了液壓比例閥的特性曲線。對(duì)制動(dòng)力分配曲線優(yōu)化前、后的微型客車制動(dòng)距離進(jìn)行的對(duì)比計(jì)算表明，優(yōu)化后的微型客車制動(dòng)距離明顯減小。主題詞：微型客車 制動(dòng)力 分配 Optimized Design of Brake Force Distribution for a Mini BusWang Xuanfeng，Ying Guozeng，Huang Chaosheng（China FAW Group Corporation R&D Center）【Abstract】Formulas are proposed about braking force distribution coeffic

4、ients of unladen and laden M1 vehicles. The optimized goal is to obtain minimum area between the ideal braking force distribution curves and practical two brake force distribution lines with different slope, meanwhile it should be ensured that under the laden condition the brake efficiency is not le

5、ss than 75%, then the variable braking force distribution curve for a mini bus is optimized. The transformation formulas between the axles braking forces and the pipeline hydraulic pressure have been established by considering the brake pushing pressure loss, and the hydraulic proportioning valves c

6、haracteristic curve has been determined by the optimized variable brake force distribution curves. Finally after working on the comparative computation of the braking distance, the result shows that the braking distance of the optimized mini bus has been obviously reduced. Key words: Mini bus; Braki

7、ng force; Distribution基于Excel平臺(tái)的車門氣壓阻效應(yīng)計(jì)算軟件的開發(fā)研究高云凱 高大威 余海燕(同濟(jì)大學(xué))【摘要】通過對(duì)汽車車門氣壓阻效應(yīng)的理論分析，提出一種新的數(shù)學(xué)模型。基于Excel平臺(tái)、利用VBA語言、使用數(shù)值積分方法，開發(fā)出一種用于計(jì)算車門關(guān)門能量/力中氣壓阻效應(yīng)的應(yīng)用軟件。該軟件不僅具有可視化的人機(jī)交互界面，而且能夠方便快捷的根據(jù)需要計(jì)算出氣壓阻效應(yīng)在關(guān)門過程中消耗的能量/力。與試驗(yàn)數(shù)據(jù)比較誤差不超過10%，從而證明了該軟件的計(jì)算準(zhǔn)確性。關(guān)鍵詞:車門氣壓阻效應(yīng) 能量 計(jì)算軟件Development for Calculation Software of Doo

8、r Air Bound Effect Based on ExcelGao Yunkai, Gao Dawei ,Yu Haiyan(Tongji University)【Abstract】A new mathematical model is proposed in this paper based on the theory analysis of door bound effect,. Based on Excel, the application software that is used to calculate air bound effect in door closing ene

9、rgy / force is developed by using language VBA and numerical value integral method. The software not only has the visual man-machine interface, but also can be used to calculate air bound effect during door closing process conveniently. Compared with the experimental data, errors are less than 10 %,

10、 so the calculation accuracy of the software is validated. Key words: Door air pressure resistance effect; Energy; Calculation software輪胎滾動(dòng)速度對(duì)車輛側(cè)偏特性的影響盧蕩 郭孔輝（吉林大學(xué) 汽車動(dòng)態(tài)模擬國家重點(diǎn)實(shí)驗(yàn)室）【摘要】考慮滾動(dòng)速度對(duì)印跡內(nèi)壓力分布及輪胎與路面間摩擦系數(shù)的影響，建立了考慮胎體復(fù)雜變形的輪胎穩(wěn)態(tài)側(cè)偏理論模型。仿真分析了滾動(dòng)速度對(duì)輪胎側(cè)偏側(cè)向力及回正力矩特性的影響，并對(duì)輪胎高/低速特性的差異給出了解釋。指出，建立具有合理速度預(yù)測(cè)能力半經(jīng)驗(yàn)?zāi)Ｐ?/p>

11、時(shí)，應(yīng)考慮對(duì)滾動(dòng)速度的影響。關(guān)鍵詞： 輪胎 半經(jīng)驗(yàn)?zāi)Ｐ?側(cè)偏特性 滾動(dòng)速度 Effect of Tire Rolling Speed on Cornering CharacteristicsLu Dang, Guo Konghui(State key Lab for Automobile Dynamic Simulation, Jilin University)【Abstract】Considering the effect of tire rolling speed on pressure distribution of print and the effect on tire and ro

12、ad friction coefficient, a theoretical model with complex carcass deformation and speed effect is introduced. Based on the simulation results, the effect of rolling speed on tire lateral force and self aligning moment is analyzed, and the difference between tire high/low speed characteristics is exp

13、lained. It is indicated in the paper that the effect on rolling speed shall be considered when establishing a semi-empirical model with capability to predict at rational speed.Key words: Tire, Semi-empirical model, Cornering Characteristics, Rolling speed基于dSPACE的汽車驅(qū)動(dòng)力控制系統(tǒng)硬件在環(huán)研究吳堅(jiān) 趙健 徐斌 李靜 李幼德（吉林大學(xué)）

14、【摘要】 針對(duì)汽車驅(qū)動(dòng)力控制系統(tǒng)研制了硬件在環(huán)試驗(yàn)臺(tái)，該試驗(yàn)臺(tái)硬件部分包括制動(dòng)系統(tǒng)、dSPACE實(shí)時(shí)仿真系統(tǒng)、傳感器和TCS控制器；軟件部分包括車輛動(dòng)力學(xué)模型、dSPACE實(shí)現(xiàn)軟件RTI和試驗(yàn)軟件ControlDesk、控制器控制算法。進(jìn)行了低附著均一路面和附著系數(shù)分離路面兩種工況的硬件在環(huán)試驗(yàn)。.結(jié)果表明，硬件在環(huán)試驗(yàn)可以快速驗(yàn)證控制器控制邏輯，縮短產(chǎn)品開發(fā)時(shí)間和減少道路試驗(yàn)。主題詞：驅(qū)動(dòng)力 控制系統(tǒng) 硬件在環(huán) 控制器Research on Hardware-In-the-Loop of Automotive Driving Force Control System Based on dSP

15、ACEWu Jian; Zhao Jian; Xu Bin; Li Jing; Li Youde(Jilin University) 【Abstract】Hardware-in-the-loop test bed for automotive driving force control system is developed. Hardware of the test bed consists of braking system, dSPACE real time simulation system, sensor and TCS control. Whereas software consi

16、sts of vehicle dynamic simulation models, DSPACE real time simulation software RTI and test software ControlDesk, controller control algorithm. Hardware in-the-loop test were carried out on two roads, one with even adhesion coefficient, and the other with separate adhesion coefficient. The test resu

17、lts indicated that hardware-in-the-loop can rapidly validate control algorithm of controller, shorten product development time and reduce road test.Key words: Driving force; control system; hardware in-the-loop; controller基于拓?fù)鋬?yōu)化的重型貨車駕駛室輕量化技術(shù)研究于多年1 王登峰1 汪振華2 王建勇3（1.吉林大學(xué)；2.上海世科嘉車輛技術(shù)研發(fā)有限公司；3.長春宇創(chuàng)數(shù)字汽車公司

18、）【摘要】針對(duì)扭轉(zhuǎn)與彎曲2種典型工況，對(duì)某重型貨車駕駛室建立了有限元模型并對(duì)其進(jìn)行了分析計(jì)算，得到了其應(yīng)力、應(yīng)變的分布情況及模態(tài)。在此基礎(chǔ)上應(yīng)用拓?fù)鋬?yōu)化方法對(duì)其結(jié)構(gòu)布局及孔洞分布進(jìn)行了優(yōu)化設(shè)計(jì)。優(yōu)化前、后的結(jié)果對(duì)比表明，在不改變其靜態(tài)力學(xué)特性及模態(tài)的前提下，應(yīng)用拓?fù)鋬?yōu)化技術(shù)能夠減輕駕駛室質(zhì)量。主題詞：重型貨車駕駛室；拓?fù)鋬?yōu)化；輕量化 Light Weight Design of Heavy Duty Truck Cab Based on Topology OptimizationYu Duonian1 Wang Dengfeng1 Wang Zhenhua2；Wang Jianyong3(1.

19、 Jilin University; 2 Shanghai SICAR Vehicle Technology Development Co., Ltd; 3.ChangChun Yuchuang Digital Auto Technology Co., LTD）【Abstract】In view of two traditional operating cycles of torsion and bending, a FE model of a heavy duty truck cab was established and analysis and calculation thereon w

20、ere carried out, thus obtained distribution of stress and strain and mode. On this basis topology optimization was applied to optimize the design of the structural layout and hole distribution. The comparison of the result before and after the optimization indicates that the application of topology

21、optimization technology can reduce cab mass without changing its static mechanics properties and mode.Key words: Heavy-duty truck cab; Topology optimization; Light weight基于MATLAB的汽車轉(zhuǎn)向力矩實(shí)時(shí)計(jì)算方法劉喜東 馬建 劉晶郁（長安大學(xué)）【摘要】對(duì)建立汽車操縱穩(wěn)定性神經(jīng)網(wǎng)絡(luò)模型的方法進(jìn)行了研究，結(jié)合汽車轉(zhuǎn)向系統(tǒng)模塊，在Simulink下建立了汽車助力轉(zhuǎn)向系統(tǒng)轉(zhuǎn)向力矩計(jì)算的整體模型，并對(duì)使用Real Time Worksh

22、op生成C語言實(shí)時(shí)代碼的過程進(jìn)行了說明。以SX6120大客車為原型，對(duì)汽車操縱穩(wěn)定性神經(jīng)網(wǎng)絡(luò)模型的有效性以及C語言實(shí)時(shí)代碼的可靠性進(jìn)行了驗(yàn)證。結(jié)果表明，運(yùn)用RTW生成的C代碼幾乎能完全跟蹤Simulink下汽車助力轉(zhuǎn)向系統(tǒng)轉(zhuǎn)向力矩計(jì)算的仿真結(jié)果，生成的C代碼可信性和可行性很高。關(guān)鍵詞：轉(zhuǎn)向力矩；計(jì)算模型； 神經(jīng)網(wǎng)絡(luò)； 代碼實(shí)現(xiàn)Real-time Computation Methods for Vehicle Steering Torque Based on MATLABLiu Xidong，Ma Jian，Liu Jingyu (Changan University)【Abstract】The

23、 neutral network modeling methods for handling and stability were studied in this paper, based on the steering module, the steering torque computation model for vehicle power steering system was built in Simulink, and the process that used Real Time Workshop to generate language C real-time code was

24、 also explained. The validity of neutral network model for vehicle handling and stability and the reliability of language C real-time codes were verified based on coach SX6120. The results show that the C codes generated with RTW accurately fits the simulation results of Simulink, and the characteri

25、zed of C codes is credible and feasible.Key words： Steering torque; Computation model; neural network; code-generationEGR影響高速直噴柴油機(jī)NOX和煙度排放機(jī)理的研究田 維 林學(xué)東 李德剛 黃 丫(吉林大學(xué) 汽車動(dòng)態(tài)模擬國家重點(diǎn)實(shí)驗(yàn)室)【摘要】設(shè)計(jì)了基于步進(jìn)電機(jī)的高精度EGR率可變電子控制系統(tǒng)，并利用該系統(tǒng)研究了不同工況下EGR率對(duì)柴油機(jī)NOX和煙度排放的影響。結(jié)果表明，隨著負(fù)荷的增加，EGR對(duì)NOX的抑制效果明顯，NOX排放對(duì)氧濃度變化的敏感性增強(qiáng)，而燃燒溫度的增加是次要因

26、素；隨著轉(zhuǎn)速的增加，NOX排放對(duì)氧濃度變化的敏感性降低，此時(shí)反應(yīng)時(shí)間起主要作用，所以EGR對(duì)NOX的抑制效果減弱；煙度排放主要取決于氧的含量，故在各轉(zhuǎn)速下隨負(fù)荷的增加煙度隨EGR率的變化越明顯。主題詞：柴油機(jī) EGR NOX 煙度Experimental Study on Effect of EGR on NOX and Smoke Emission of a High Speed Direct Injection Diesel EngineTian Wei; Lin Xuedong; Li Degang; Huang Ya(State Key Laboratory of Automobile

27、 Dynamic Simulation, Jilin University)【Abstract】 In this study, an electronic control system with variable EGR rate and high precision was designed by using step motor and then the system was used to analyze the effect of EGR rate on NOX emission and smoke emission in different working conditions. T

28、he study results show that as the load increased, the inhibitory effect of EGR on NOX emission becomes more obvious, the NOX emissions become more sensitive to oxygen concentration, and increase of the combustion temperature is just the secondary factor that affects the NOX emission. As the engine s

29、peed increased, the sensitivity of NOX emissions to oxygen concentration becomes weaker; the reaction duration becomes the key factor, so that the inhibitory effect of EGR on NOX emission weakened. The smoke emission depends on oxygen content to a great extent, therefore the variation of smoke emiss

30、ion with EGR rate becomes more sharply as the load increased.Key words: diesel engine; EGR; NOX; smoke intensity門飾板側(cè)碰安全性能分析及結(jié)構(gòu)優(yōu)化張學(xué)庸 程 昕（延鋒偉世通汽車飾件系統(tǒng)有限公司）【摘要】介紹了門飾板子系統(tǒng)側(cè)碰性能的物理試驗(yàn)方法和CAE計(jì)算模型，通過CAE計(jì)算結(jié)果與物理試驗(yàn)結(jié)果的對(duì)比，驗(yàn)證了該CAE計(jì)算模型是高仿真的。提出運(yùn)用門飾板CAE側(cè)碰計(jì)算模型指導(dǎo)門飾板結(jié)構(gòu)優(yōu)化的方法，通過反復(fù)進(jìn)行CAE計(jì)算和結(jié)構(gòu)優(yōu)化，直至滿足技術(shù)指標(biāo)后再開產(chǎn)品模具并做物理試驗(yàn)驗(yàn)證，大大節(jié)省了設(shè)計(jì)開

31、發(fā)周期和成本。以門飾板腹部區(qū)域、肩部區(qū)域、髖部區(qū)域的結(jié)構(gòu)優(yōu)化設(shè)計(jì)和門飾板側(cè)碰區(qū)域的固定點(diǎn)結(jié)構(gòu)弱化設(shè)計(jì)為例，驗(yàn)證了所提方法的可行性。主題詞：門飾板 側(cè)碰 安全性能 CAE 結(jié)構(gòu)優(yōu)化Safety Performance Analysis and Structural Optimization of Door TrimZhang Xueyong Chengxin(Yanfeng Visteon Automotive Trim Systems Co., Ltd)【Abstract】Physical test method and CAE analysis module of side impact o

32、f door trim are introduced in the paper. The comparison between physical test result with CAE calculation result shows that the CAE calculation module is high emulational. Application of CAE calculation module of side impact to direct door trim structure optimization is presented. CAE calculation an

33、d structural optimization was made repeatedly until the technical targets are fulfilled then product mould was developed and subjected to physical test for verification, design development cycle and cost were thus reduced considerably. Finally the structural optimization design of the door trim cent

34、ral region, shoulder region as well as the hip were taken as example to verify feasibility of the proposed method.Key words: Door trim; Side impact; Safety; CAE; Structure optimization柴油機(jī)起動(dòng)過程瞬態(tài)測(cè)控系統(tǒng)設(shè)計(jì)王新宅 彭海勇 崔毅 鄧康耀（上海交通大學(xué) 動(dòng)力機(jī)械與工程教育部重點(diǎn)實(shí)驗(yàn)室）【摘要】在135單缸直噴柴油機(jī)基礎(chǔ)上設(shè)計(jì)了起動(dòng)過程瞬態(tài)測(cè)控系統(tǒng)，介紹了該系統(tǒng)的硬件結(jié)構(gòu)和軟件功能,并進(jìn)行了起動(dòng)過程試驗(yàn)分析。試

35、驗(yàn)結(jié)果表明，該系統(tǒng)能夠?qū)崟r(shí)控制循環(huán)噴油條件,記錄柴油機(jī)的循環(huán)轉(zhuǎn)速,根據(jù)循環(huán)狀態(tài)參數(shù)對(duì)噴油系統(tǒng)等實(shí)現(xiàn)反饋控制,可對(duì)缸壓等參數(shù)實(shí)現(xiàn)按角標(biāo)和按時(shí)間2種方式同時(shí)進(jìn)行采樣，并對(duì)起動(dòng)過程中NO排放濃度和消光煙度進(jìn)行采集。主題詞：柴油機(jī) 起動(dòng)過程 瞬態(tài)測(cè)控系統(tǒng)Design of Transient Measurement and Control System of Diesel Engines during Start ProcessWang Xinzhai，Peng Haiyong，Cui Yi，Deng Kangyao(Key Laboratory for Power Machinery and Eng

36、ineering of Ministry of Education, Shanghai Jiaotong University)【Abstract】A transient measurement and control system is designed for the research of engine starting process based on 135 single-cylinder direct injection diesel engine, hardware architecture and software features of this system are int

37、roduced and starting process test analysis is carried out. The analysis of the experiment indicates that the system could real-time control the fuel spray conditions, record the parameters of the circulatory state such as cycle speed and make feedback control to the fuel injection system according t

38、o the these parameters. The system could simultaneously sample some parameters such as cylinder pressure in accordance with encoding angle and time, and record the emissions of NO and smoke during starting process.Key words: Diesel engine; starting process; transient measurement and control system汽車

39、組合開關(guān)操作性能評(píng)價(jià)參數(shù)的規(guī)律性探索胡延平1 陳福恩2 賈艷輝3（1.北京信息科技大學(xué)，2.中國科學(xué)院光電研究院，3.吉林大學(xué)）摘要：通過對(duì)轉(zhuǎn)向組合開關(guān)換擋過程的分析，提出了汽車組合開關(guān)的評(píng)價(jià)參數(shù)。通過對(duì)評(píng)價(jià)參數(shù)進(jìn)行大樣本容量的試驗(yàn)測(cè)試，確定了每一項(xiàng)參數(shù)與組合開關(guān)操作性能之間的影響關(guān)系。分析結(jié)果表明，組合開關(guān)換擋過程中換擋力的分布區(qū)域、換擋力與換擋位移的離散度與操作性能之間有非常明顯的對(duì)應(yīng)關(guān)系。在此基礎(chǔ)上指出，可以換擋力的分布區(qū)域、離散度及換擋位移的離散度作為汽車組合開關(guān)操作性能的評(píng)價(jià)參數(shù)。關(guān)鍵詞：汽車 組合開關(guān) 操作性能 評(píng)價(jià)參數(shù)Study on Regularity of Evaluati

40、on Parameters on the Operating Performance of Automobile Multi-Function SwitchesHu Yanping1 Chen Fuen2 Jia Yanhui3(1. Beijing Information Science and Technology University 2. College of Optoelectronics Research, Chinese Academy of Sciences 3.JiLin University)Abstract: The evaluation parameters of au

41、tomotive multi-function switches are presented through analyzing the shifting process of turn signal switches. By conducting large sample test on the evaluation parameters, the influencing relationship between each parameter and operating performance of the multifunction switch is defined. The analy

42、sis results indicate that there is obvious corresponding relationship between the shifting force distribution area, degree of dispersion of shifting force and shifting displacement with operating performance. It is therefore indicated on this basis that shifting force distribution area, degree of di

43、spersion and degree of dispersion of shifting displacement can be used as evaluation parameter of operating performance of automotive multifunction switches.Key words：Automobile, multi-function switch， operating performance，evaluation parameters少片鋼板彈簧在實(shí)際應(yīng)用中的開發(fā)與設(shè)計(jì)周站福1 高鐵石2 郭萬富3 王海艷4 巨建輝5（第一汽車集團(tuán)公司技術(shù)中心

44、）【摘要】以輕型載貨汽車為設(shè)計(jì)平臺(tái)，從少片彈簧的理論計(jì)算、動(dòng)力學(xué)模擬、臺(tái)架試驗(yàn)和整車道路試驗(yàn)等方面，闡述了其產(chǎn)品研發(fā)設(shè)計(jì)過程。從試驗(yàn)結(jié)果分析來看，理論計(jì)算剛度與臺(tái)架試驗(yàn)剛度誤差值僅為3.6，符合工程需要；鋼板彈簧應(yīng)力分布趨勢(shì)與理論計(jì)算曲線相同；U型螺栓夾緊處試驗(yàn)平均應(yīng)力為415MPa，而理論計(jì)算值為410MPa，二者吻合良好。關(guān)鍵詞：少片彈簧，性能，設(shè)計(jì)Development and Design of Taper Leaf Spring in Actual ApplicationZhou Zhanfu1 Gao Tieshi2 Guo Wanfu3 Wang Haiyan4 Ju Jianh

45、ui5(China FAW Group Corporation R&D Center)【Abstract】This paper takes a light duty truck as design platform and describes the process of product development and design from theoretical calculation, dynamics simulation, bench test of taper leaf spring to road test. The analysis of test results indica

46、tes that the deviation between stiffness calculated theoretically and that of bench test is only 3.6%, conforming to engineering requirement; the stress distribution trend of the leaf spring is identical with the curve calculated theoretically; the mean stress at the clamping position of the U-shape

47、d bolt is 415 MPa, agrees with the theoretical calculation value (410MPa).Key words: Taper leaf spring, Performance, Design汽車懸架用磁流變阻尼器的性能試驗(yàn)研究王皖君1 張為公1 王恩榮2（1.東南大學(xué)；2.南京師范大學(xué)）【摘要】介紹了用于汽車懸架的磁流變阻尼器（MR阻尼器）的特點(diǎn)及其性能試驗(yàn)系統(tǒng)，并在大范圍控制電流、不同頻率和幅度組合的單諧波激勵(lì)下對(duì)MR阻尼器進(jìn)行了試驗(yàn)數(shù)據(jù)的處理與分析。結(jié)果表明，MR阻尼器的輸出阻尼力-相對(duì)速度特性曲線存在嚴(yán)重的非線性滯環(huán)特性，表現(xiàn)為半主

48、動(dòng)的電流控制特點(diǎn)，且阻尼力隨控制電流的增加而增加并趨于飽和；在控制電流為零的情況下，MR阻尼器表現(xiàn)為普通的無源液壓阻尼器件的工作特性。主題詞：懸架 磁流變阻尼器 控制電流 滯環(huán)特性Experimental Research on Properties of Magneto- rheological Damper Used in Vehicle SuspensionWang Wanjun1, Zhang Weigong1, Wang Enrong2（1. Southeast University; 2.Nanjing Normal University)【Abstract】Features of

49、 magneto-Rheological (MR) damper for vehicle suspension and its performance test system (MTS) are introduced. The candidate MR damper is tested under wide ranges of control current and frequency and amplitude of single harmonic signal, and then, the measured test data are analyzed, the results indic

50、ate that the output damping force-relative velocity characteristics curve of MR damper holds significant nonlinear hysteresis properties, and displays a semi-active current control property, and the damping force increases and saturates with the increasing of control current. The MR damper exhibits

51、the performance as a passive hydraulic damper when zero control current is applied.Key words: Suspension, Magneto-Rheological damper, Control current, Hysteresis properties減振器一體式空氣懸架的試驗(yàn)及靜剛度特性研究馬莉 何樂 金達(dá)鋒（清華大學(xué) 汽車安全與節(jié)能國家重點(diǎn)實(shí)驗(yàn)室）【摘要】減振器一體式空氣懸架工作時(shí)的空氣彈簧作用力與減振器作用力耦合在一起很難分離，研究分析其懸架工作特性是難點(diǎn)。以LexusLS600h車型的電子調(diào)節(jié)空

52、氣懸架為例，通過臺(tái)架試驗(yàn)、試驗(yàn)數(shù)據(jù)處理、特性方程推導(dǎo)，解耦出此類空氣懸架中空氣彈簧部分的靜剛度特性力，并將通過方程求得的特性力與試驗(yàn)結(jié)果進(jìn)行了對(duì)比驗(yàn)證。結(jié)果表明，方程計(jì)算結(jié)果與試驗(yàn)結(jié)果吻合，特性方程正確。主題詞：減振器 空氣懸架 臺(tái)架試驗(yàn)Bench Test and Static Stiffness Characteristic Research on Air Suspension with Shock AbsorberMa Li, He Le, Jin Dafeng(Tsinghua University, State Key Laboratory of Automotive Safety

53、and Energy)【Abstract】The forces of air spring and shock absorber are hard to be isolated in this kind of suspension which air spring and shock absorber are made in one, so the difficulty is the analysis of suspension characteristic. This paper took the electronic-controlled air suspension on Lexus L

54、S600h for example, decoupled the static stiffness force in air spring of this kind of suspension via the method of bench test, test data processing and formula derivation. The comparison of the results between formula and bench tests showed that the results coincided well, the stiffness formula was

55、right. Key words: Shock absorber; Air suspension; Bench test底盤測(cè)功機(jī)阻力設(shè)定對(duì)輕型車排放影響的試驗(yàn)研究王志偉1 王恩宇2（1 中國汽車工程研究院；2 中國第一汽車集團(tuán)公司技術(shù)中心）【摘要】研究了車輛緊固狀態(tài)對(duì)底盤測(cè)功機(jī)上阻力設(shè)定的影響，并在不同阻力設(shè)定條件下對(duì)兩輛輕型車分別進(jìn)行了試驗(yàn)研究。結(jié)果表明，A號(hào)車低設(shè)定阻力下的排放值也相對(duì)較低，阻力設(shè)定值不同導(dǎo)致油耗測(cè)量的最大值與最小值相差0.21L/100km，且同一阻力設(shè)定值下排放值一致性較好；B號(hào)車設(shè)定阻力偏大時(shí)車輛排放與百公里油耗偏高，反之偏低，且同一阻力設(shè)定值時(shí)車輛排放與油耗測(cè)試結(jié)果相差較小。主題詞: 輕型車 底盤測(cè)功機(jī) 阻力 排放An Experimental Study on the Light-duty Vehicle Emission with Chassis Dynamometer Resistance SettingWang Zhiwei1 Wang Enyu2(1. China Automotive Engineering Research Institute; 2. China FAW Group Corporation R&D Center)【Abstract】The effects of