【正文】
電控氣動(dòng)式可調(diào)阻尼減振器的設(shè)計(jì)與應(yīng)用(摘要鏈接) 4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(摘要鏈接) 5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(摘要鏈接) 6液力緩速器制動(dòng)過程動(dòng)態(tài)仿真研究(摘要鏈接) 7溫度對(duì)共軌柴油機(jī)起動(dòng)性能的影響(摘要鏈接) 8基于非結(jié)構(gòu)化網(wǎng)格的汽車除霜風(fēng)道數(shù)值模擬(摘要鏈接) 9轎車等速驅(qū)動(dòng)軸傳動(dòng)效率的試驗(yàn)研究(摘要鏈接) 10汽車液壓動(dòng)力轉(zhuǎn)向器臺(tái)架試驗(yàn)方法研究(摘要鏈接) 11十字萬(wàn)向節(jié)凸度滾針擺動(dòng)疲勞壽命對(duì)比試驗(yàn)(摘要鏈接) 12鋁合金車身骨架結(jié)構(gòu)T型接頭匹配強(qiáng)度分析(摘要鏈接) 13基于UG的汽車車身復(fù)雜過渡曲面光順方法(摘要鏈接) 14基于Windows CE的混合動(dòng)力汽車多信息顯示系統(tǒng)設(shè)計(jì)郭孔輝 呂威 張建偉 趙宇(吉林大學(xué) 汽車動(dòng)態(tài)模擬國(guó)家重點(diǎn)實(shí)驗(yàn)室)【摘要】介紹了一種混合動(dòng)力汽車多信息顯示系統(tǒng)的總體設(shè)計(jì)方案,闡述了系統(tǒng)硬件組成和軟件設(shè)計(jì)方法。關(guān)鍵詞:輪胎模型,有限元,環(huán)模型Tire FE Modeling based on Circle Model and Simulation Study Qiu Enchao1, Guo Konghui2(1. State Key Laboratory of Automotive Safety and Energy, Tsinghua University 2. State Key Automobile Dynamic Simulation Laboratory, Jilin University)【Abstract】To improve calculating efficiency of simulation model, tire 2D FE model modeling technique, parameter determination method and tire enveloping characteristics analysis technique are studied based on circle model theory system. It is concluded from parison between test and simulation results that use FE method and model based on tire FEF model, after revising nonlinearly the lateral elasticity of tire, the simulation result of tire low speed rolling coincides with test results, thus proving validity of tire model, meanwhile a realtime high precision tire characteristics simulation model method is provided for the virtual test of the vehicleroad system.Key words: Tire model, Finite element, Circle model基于駕駛機(jī)器人操縱的車輛起步質(zhì)量研究薛金林1,2 張為公1 龔宗洋1(⒈東南大學(xué);⒉南京農(nóng)業(yè)大學(xué))【摘要】提出以車速跟蹤偏差、沖擊度、滑磨功為基于駕駛機(jī)器人操縱的車輛起步質(zhì)量評(píng)價(jià)指標(biāo),選取發(fā)動(dòng)機(jī)油門開度、離合器輸出軸轉(zhuǎn)速、離合器主從動(dòng)軸轉(zhuǎn)速差及離合器輸出轉(zhuǎn)速變化值作為起步過程控制參數(shù)進(jìn)行車輛起步質(zhì)量控制研究。結(jié)果表明,除后減振器壓縮阻力外,其余各項(xiàng)阻尼力試驗(yàn)值與仿真值的平均偏差小于7%,表明減振器的仿真模型有效。以懸架彈簧剛度、減振器阻尼特性和橫向穩(wěn)定桿剛度為設(shè)計(jì)變量,利用近似優(yōu)化數(shù)學(xué)模型對(duì)該轎車進(jìn)行了操縱穩(wěn)定性和行駛平順性的多目標(biāo)優(yōu)化計(jì)算。試驗(yàn)結(jié)果表明,該修正算法消除了滑轉(zhuǎn)率計(jì)算誤差,可防止汽車在高附著路面上轉(zhuǎn)彎加速時(shí)驅(qū)動(dòng)防滑控制系統(tǒng)的誤干預(yù)。 Dynamic Simulation溫度對(duì)共軌柴油機(jī)起動(dòng)性能的影響張 斌1 李立人2 董偉2 (;2吉林大學(xué))【摘要】以Bosch第2代高壓共軌燃油噴射系統(tǒng)為基礎(chǔ),建立了高壓共軌試驗(yàn)測(cè)控系統(tǒng)。關(guān)鍵詞:除霜風(fēng)道 非結(jié)構(gòu)化網(wǎng)格 有限體積法 壓力損失 Numerical Simulation of Automobile Defrosting Duct based on Unstructured MeshZhang qunfeng1 Liu weixiu2 Ma Tieli2 Zhang Quan2(1 Beijing Jiaotong University。 the efficiency obviously decreased with constant torque and decrease of rotary speed under big outer universal angle condition. Key words: Car。 Fatigue life鋁合金車身骨架結(jié)構(gòu)T型接頭匹配強(qiáng)度分析張怡1 蘭鳳崇1 陳吉清1 李宇彤2(。實(shí)例證明,該方法能快速、高質(zhì)量地光順汽車車身復(fù)雜過渡曲面。 Complex Transitional Surfaces。指出,高強(qiáng)度匹配能改善焊接接頭性能,并獲得了高強(qiáng)度最佳匹配系數(shù),找出了高強(qiáng)度匹配T形接頭焊接結(jié)構(gòu)的薄弱位置。主題詞:液壓動(dòng)力轉(zhuǎn)向器 臺(tái)架試驗(yàn) 標(biāo)準(zhǔn)Study on Bench Test Method of Automotive Hydraulic Power Steering GearQin Quanquan, Liu Jingyang, Hao Jinliang(FAW Haima Automobile CO., LTD)【Abstract】The article takes the rack and pinion hydraulic power steering gear as example and studies the bench test method of six items including empty loaded driving moment test, steering force characteristics test, reverse fatigue test, positive rotation durability test, temperature alternation seal test and noise test, etc.. Test objectives, test method and results, test equipment configuration as well as difference with the existing test standard are discussed, which provide reference and foundation for revising the standard of automotive power steering gear industry.Key Words: Hydraulic power steering gear, Bench test, Standard十字萬(wàn)向節(jié)凸度滾針擺動(dòng)疲勞壽命對(duì)比試驗(yàn)沈雪瑾1 孫浩洋1 李雄2 向浦江2(;)【摘要】針對(duì)相交圓弧修形滾針、對(duì)數(shù)輪廓滾針及不同凸度量的對(duì)數(shù)凸型滾針,進(jìn)行了擺動(dòng)工況條件下滾針軸承的疲勞壽命試驗(yàn)研究。 Unstructured mesh。試驗(yàn)結(jié)果表明,在不同起動(dòng)油量和不同主噴油提前角條件下,進(jìn)氣預(yù)熱有利于縮短起動(dòng)時(shí)間、降低排放;在起動(dòng)時(shí)間-冷卻液溫度曲線和HC排放-冷卻液溫度曲線上均存在最佳冷卻液溫度點(diǎn),該點(diǎn)的起動(dòng)性能最好。 2. Beijing Institute of Technology)【Abstract】The calculation of driving wheel slip ratio by using rear wheel s