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中国巴哈大赛动力匹配设计

摘要:此次毕业设计是要对赛车进行动力匹配设计及优化,并指出了研究的目的和意义。首先在详细了解2017年中国汽车工程学会巴哈大赛规则后,确定了赛车发动机的选型原则。其次通过讨论,确定了巴哈赛车发动机的主要参数,进而完成了后期的计算,并运用caita三维制图软件结合参数进行3D图的绘制。最后在老师的指导下,协同小组成员制作一辆巴哈赛车。

关键词:巴哈, 设计及优化,选型,主要参数,赛车制作

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Chassis design of Baja SAE China racing car

Abstract:The graduation design is to design and optimize the dynamic matching of the car, and pointed out the purpose and significance of the study. First in a detailed understanding of the 2017 China Automotive Engineering Society Baja rules, to determine the principle of selection of the car engine. Secondly, through the discussion, the main parameters of the Baja Racing engine are determined, and the later calculation is completed. The 3D drawing of the graph is carried out by using caita three-dimensional drawing software. Finally, under the guidance of the teacher, the collaboration team members to produce a Baha car.

Keywords:Baja; Chassis design and optimization; Selection;Main parameter; Racing production

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目 录

摘要............................................................................................................................................错误!未定义书签。

Abstract....................................................................................................................................错误!未定义书签。目

录..........................................................................................................................................Ⅲ 1 绪论 ........................................................................................................................................ 1 1.1 Baja赛车起源 ...................................................................................................................... 1 1.2 Baja赛车国内外研究状况 .................................................................................................. 1 1.3 Baja赛车项目意义 .............................................................................................................. 2 2发动机机总体组成 ................................................................................................................. 3 2.1 发动机结构形式简介 ......................................................................................................... 3 2.2发动机的工作原理 .............................................................................................................. 5 3 发动机的匹配 ......................................................................................................................... 9 3.1 发动机的匹配 ...................................................................................................................... 9 3.1.1 匹配的定义 ....................................................................................................................... 9 3.1.2 发动机匹配的应用场合 .................................................................................................. 9 3.2 发动机的机械匹配技术 ...................................................................................................... 9 3.2.1 发动机和变速器的选型和匹配 ....................................................................................... 9 3.2.2 设计与分析 ...................................................................................................................... 9 3.3发动机控制系统和其运用技术 ........................................................................................ 10 3.3.1发动机管理系统 ............................................................................................................ 10 3.3.2 发动机管理系统开发技术 ............................................................................................ 10 3.4 发动机的标定技术 ........................................................................................................... 10 3.4.1 发动机标定 ................................................................................................................... 10 3.4.2 发动机标定软件 ............................................................................................................ 10 3.4.3 发动机标定设备 ......................................................................................................... 10

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3.4.4发动机标定试验 ............................................................................................................ 10 3.5 发动机的选购 ................................................................................................................... 10 3.5.1 赛车发动机的选择原则 ................................................................................................. 10 3.5.2 百利通发动机的资料 .................................................................................................... 11 4 变速器的结构设计 .............................................................................................................. 13 4.1 变速器的功用 ................................................................................................................... 13 4.2 变速器的组成 ................................................................................................................... 13 4.3 变速器的分类 ................................................................................................................... 13 4.4变速器的优化 .................................................................................................................... 15 4.4.1传动系最小传动比的确定 ............................................................................................. 16 4.4.2 传动系最大传动比的确定 ............................................................................................ 16 5结论 ....................................................................................................................................... 18 参考文献 .................................................................................................................................. 19 致谢 .......................................................................................................................................... 20

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