关 键 词：

FSAE 赛车 双横臂式前 悬架 设计

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黑龙江工程学院本科生毕业设计摘 要本设计结合悬架设计知识，详细分析了悬架结构，对双横臂独立悬架进行了设计计算。在此基础上，应用虚拟样机技术，在ADAMS/View中对双横臂独立悬架进行合理简化并建模，并对模型进行了参数化，定制界面，即改变初始参数就能快速生成不同的悬架模型，提高了仿真分析以及优化设计的效率，使平台具有开放性。分析研究了所需优化的变量（前轮外倾角、车轮侧滑量）及其函数表达式。进行了悬架动力学仿真分析，研究悬架各性能参数在车轮跳动过程中的变化趋势，并指出需要改进的地方。分析每个设计变量的变化对样机性能的影响，提出优化设计的方案。再次进行仿真，对比分析了优化前后的仿真结果，并评价了优化方案。优化后悬架的性能明显提高，验证了优化方案的可行性，并完成虚拟设计及试验。最后运用Pro/E软件对双横臂独立悬架进行实体的建立。本设计研究的目的和意义为在赛车制造前进行设计和试验仿真，并且提出改进意见，可以发现并更正设计缺陷，完善设计方案，提高设计质量和效率。关键词：双横臂；独立悬架；虚拟样机技术；优化；ADAMSABSTRACTOn the basis of the Suspension design, this paper calculated a detailed requirements for double wishbone independent suspension structure, I simplified and built a model of double wishbone independent suspension system in ADAMS/View, made the model parameters, then the model was open, and prepared the necessary measuring function. I discussed the performance of the front wheel alignment parameters in a front wheel vehicle positioning. The model was a virtual front suspension test platform. This thesis analyzed the change trend of the suspension performance parameters in the process of flopping the wheel. The impacts of its changes in the trend of design variables are also analyzed, make an optimized design of the program, with the comparative analysis to verify the feasibility of the optimization program before and after the optimization, the suspensions key data was generated, the virtual design and test were finished. Finally I used Pro/E for double wishbone independent suspension a modeling.The design for the purpose and significance of the study in car manufacturing design and test before simulation, and puts forward Suggestions of improvement can be found and corrected design flaw, perfecting the design scheme, and improve the design quality and efficiency.Keywords