某微型客车制动力分配优化设计

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1、目 次某微型客车制动力分配优化设计(摘要链接)1基于Excel平台的车门气压阻效应计算软件的开发研究(摘要链接)2轮胎滚动速度对车辆侧偏特性的影响(摘要链接)3基于dSPACE的汽车驱动力控制系统硬件在环研究(摘要链接)4基于拓扑优化的重型货车驾驶室轻量化技术研究(摘要链接)5基于MATLAB的汽车转向力矩实时计算方法(摘要链接)6EGR影响高速直喷柴油机NOX和烟度排放机理的研究(摘要链接)7门饰板侧碰安全性能分析及结构优化(摘要链接)8柴油机起动过程瞬态测控系统设计(摘要链接)9汽车组合开关操作性能评价参数的规律性探索(摘要链接)10少片钢板弹簧在实际应用中的开发与设计(摘要链接)11汽车

2、悬架用磁流变阻尼器的性能试验研究(摘要链接)12减振器一体式空气悬架的试验及静刚度特性研究(摘要链接)13底盘测功机阻力设定对轻型车排放影响的试验研究(摘要链接)14转向节轴承装配质量实时监控系统的研究与开发(摘要链接)15某微型客车制动力分配优化设计王宣锋 应国增 黄朝胜(中国第一汽车集团公司技术中心)【摘要】提出了M1类车辆空、满载制动力分配系数的计算公式。以理想制动力分配曲线与实际应用的两段不同斜率制动力分配线之间面积最小为优化目标,同时保证满载状况时的制动效率不小于75%,优化设计了某微型客车变比值的制动力分配曲线。考虑制动器推出压耗,建立了各轴制动力与管路液压的转化公式,由优化后的变

3、比值制动力分配线确定了液压比例阀的特性曲线。对制动力分配曲线优化前、后的微型客车制动距离进行的对比计算表明,优化后的微型客车制动距离明显减小。主题词:微型客车 制动力 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平台的车门气压阻效应计算软件的开发研究高云凯 高大威 余海燕(同济大学)【摘要】通过对汽车车门气压阻效应的理论分析,提出一种新的数学模型。基于Excel平台、利用VBA语言、使用数值积分方法,开发出一种用于计算车门关门能量/力中气压阻效应的应用软件。该软件不仅具有可视化的人机交互界面,而且能够方便快捷的根据需要计算出气压阻效应在关门过程中消耗的能量/力。与试验数据比较误差不超过10%,从而证明了该软件的计算准确性。关键词:车门气压阻效应 能量 计算软件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轮胎滚动速度对车辆侧偏特性的影响卢荡 郭孔辉(吉林大学 汽车动态模拟国家重点实验室)【摘要】考虑滚动速度对印迹内压力分布及轮胎与路面间摩擦系数的影响,建立了考虑胎体复杂变形的轮胎稳态侧偏理论模型。仿真分析了滚动速度对轮胎侧偏侧向力及回正力矩特性的影响,并对轮胎高/低速特性的差异给出了解释。指出,建立具有合理速度预测能力半经验模型

11、时,应考虑对滚动速度的影响。关键词: 轮胎 半经验模型 侧偏特性 滚动速度 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的汽车驱动力控制系统硬件在环研究吴坚 赵健 徐斌 李静 李幼德(吉林大学)

14、【摘要】 针对汽车驱动力控制系统研制了硬件在环试验台,该试验台硬件部分包括制动系统、dSPACE实时仿真系统、传感器和TCS控制器;软件部分包括车辆动力学模型、dSPACE实现软件RTI和试验软件ControlDesk、控制器控制算法。进行了低附着均一路面和附着系数分离路面两种工况的硬件在环试验。.结果表明,硬件在环试验可以快速验证控制器控制逻辑,缩短产品开发时间和减少道路试验。主题词:驱动力 控制系统 硬件在环 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 results ind

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