【正文】 主題詞: 車身 復(fù)雜過(guò)渡曲面 光順?lè)椒? UG Smoothing Methods for Complex Transitional Surfaces of Autobody based on UGXu Jiachuan Li Di Gao Shangpeng(Shandong University of Science and Technology)【Abstract】Construction methods for plex transitional curved surfaces in UG are discussed in this paper, the continuity of all kinds of smoothing methods，which is used as the principle of selection, are given based on the requirements of auto body Aclass surfaces. The smoothing methods for plex transitional curved surfaces are given by smoothing waist surfaces for an autobody, then the theoretical curves are emphasized in transitional surfaces smoothing. The example verified that this method can construct plex transitional surfaces quickly and finely.Key words: Body。）【摘要】針對(duì)車輛行駛時(shí)鋁合金車身上某些焊接部位常常發(fā)生開(kāi)裂的現(xiàn)象，對(duì)車身常用的Al6063材料T型焊接接頭低、等和高強(qiáng)度匹配進(jìn)行仿真分析，研究了T型焊接接頭受靜載荷時(shí)的應(yīng)力應(yīng)變和焊縫強(qiáng)度對(duì)焊接接頭應(yīng)力應(yīng)變分布的影響。 Constant Velocity Drive Shaft, Transmission Efficiency汽車液壓動(dòng)力轉(zhuǎn)向器臺(tái)架試驗(yàn)方法研究秦全權(quán) 劉旌揚(yáng) 郝金良（一汽海馬汽車有限公司）【摘要】以汽車齒輪齒條液壓動(dòng)力轉(zhuǎn)向器為例，針對(duì)該總成空載轉(zhuǎn)動(dòng)力矩試驗(yàn)、轉(zhuǎn)向力特性試驗(yàn)、逆向疲勞試驗(yàn)、正轉(zhuǎn)耐久試驗(yàn)、溫度交變密封試驗(yàn)和噪聲試驗(yàn)等6個(gè)項(xiàng)目的臺(tái)架試驗(yàn)方法進(jìn)行了研究，闡述了各項(xiàng)目的試驗(yàn)?zāi)康?、試?yàn)方法和結(jié)果、試驗(yàn)設(shè)備的配置及與現(xiàn)有試驗(yàn)標(biāo)準(zhǔn)的差別等，為修訂汽車動(dòng)力轉(zhuǎn)向器行業(yè)標(biāo)準(zhǔn)提供了參考和依據(jù)。 2 Beijing Automotive Technology Center)【Abstract】A certain automobile defrosting duct was simulated by finite volume method (FVM) based on unstructured mesh, the defrosting duct was also optimized and calculated based on the results of simulation, it is shown that the flux distribution of every outlet for optimized duct is reasonable, the pressure loss is reduced obviously and the flow velocity and distribution on the front windshield is also reasonable. The flow velocity near the front windshield was measured with hotbulb probe and the results show that the flow velocity near the front windshield increased obviously for the modified duct, and the distribution was more even.Key words: Defrosting duct。研究了進(jìn)氣溫度和冷卻液溫度對(duì)高壓共軌柴油機(jī)起動(dòng)時(shí)間和排放性能的影響規(guī)律。主題詞：轉(zhuǎn)向加速工況 驅(qū)動(dòng)防滑控制系統(tǒng)　滑轉(zhuǎn)率　算法Algorithm Research on Slip Ratio of Acceleration Slip Regulation under Vehicle Cornering SituationLi Zhiyuan1, ZhangBiao2, LiHaodong1, Chang Yunxia1, Hao Ziyang1(1. Hebei University。結(jié)果表明，近似模型技術(shù)對(duì)于汽車性能的平衡優(yōu)化是一種十分有效的方法。將該可調(diào)阻尼減振器裝車進(jìn)行的道路平順性試驗(yàn)表明，與被動(dòng)式減振器相比，采用可調(diào)阻尼減振器可使客車的行駛平順性得到提高。確定了這些控制參數(shù)的控制規(guī)則，并提出了基于積分分離PID控制的起步離合器控制算法。該系統(tǒng)硬件上采用了高性能的ARM9處理器，主要包括處理器模塊、顯示交互模塊和通信模塊；軟件上采用了Windows CE嵌入式操作系統(tǒng)，主要由操作系統(tǒng)、驅(qū)動(dòng)程序和應(yīng)用程序3部分組成。 Windows CE基于環(huán)模型的輪胎有限元建模與仿真研究邱恩超1 郭孔輝2（ 汽車安全與節(jié)能國(guó)家重點(diǎn)實(shí)驗(yàn)室； 汽車動(dòng)態(tài)模擬國(guó)家重點(diǎn)實(shí)驗(yàn)室）【摘要】為了提高仿真模型的計(jì)算效率，基于環(huán)模型理論系統(tǒng)研究了輪胎二維有限元模型的建模技術(shù)、參數(shù)確定方法和輪胎包容特性分析技術(shù)。設(shè)計(jì)了以電磁閥和擺動(dòng)氣缸作為驅(qū)動(dòng)機(jī)構(gòu)的電控氣動(dòng)式可調(diào)阻尼減振器，通過(guò)仿真計(jì)算分析了該減振器的阻尼特性。 Ride fort基于近似模型的車輛操縱穩(wěn)定性及平順性的優(yōu)化研究楊榮山1 黃向東1,2 趙克剛1 陳金華1,2（；2. 廣州汽車集團(tuán)股份有限公司）【摘要】簡(jiǎn)述了基于近似模型的車輛操縱穩(wěn)定性及平順性的優(yōu)化設(shè)計(jì)方法。 Optimization轉(zhuǎn)向加速工況下汽車驅(qū)動(dòng)防滑控制系統(tǒng)滑轉(zhuǎn)率算法研究李志遠(yuǎn)1 張彪2 李浩東1 常云霞1 郝紫陽(yáng)1（；）　 【摘要】汽車低速轉(zhuǎn)彎加速時(shí)，用后輪輪速作為參考車速計(jì)算驅(qū)動(dòng)輪滑轉(zhuǎn)率會(huì)造成計(jì)算偏差，引起驅(qū)動(dòng)防滑控制系統(tǒng)誤干預(yù)，為此提出了驅(qū)動(dòng)輪滑轉(zhuǎn)率計(jì)算的修正算法。 based on simulation data for a 45t heavyduty truck, and considering retarder oil charge time, the braking simulation results under different working conditions are obtained, finally the relative conclusions were also obtained. Key Words：Hydrodynamic Retarder。利用熱球風(fēng)速儀測(cè)量了安裝改型風(fēng)道的樣車前擋風(fēng)玻璃上的氣流速度。主題詞：轎車 等速驅(qū)動(dòng)軸 傳動(dòng)效率 Experimental Study on Transmission Efficiency for Constant Velocity Drive Shaft of CarMa Tianfei Wang Dengfeng Hao Chunguang （Jilin University）【Abstract】Based on two constant velocity drive shafts for a domestic car, the transmission efficiency was studied with experimental method, and the influence of universal joint angle, working condition and rotary speed on the efficiency was also discussed. The test results show that the efficiency decreased with