第1页共35页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共35页目录前言...............................................3第一章绪论...........................................41.1课题研究背景....................................................41.2国内外研究现状.................................................41.3课题研究的内容.................................................61.4课题的意义......................................................61.5论文结构........................................................61.6本章小结........................................................7第二章自行车鞍座的人机工程设计...........................82.1人机工程学......................................................82.2人机工程学的定义...............................................82.3人机工程学的内容...............................................92.4人机工程在自行车鞍座设计中的应用..............................102.4.1自行车鞍座对舒适性的影响....................................102.4.2鞍座的人机工程分析..........................................112.4.3现有鞍座的人机特点分析......................................122.4.4人机工程学指导下的鞍座设计..................................142.5本章小结.......................................................16第三章自行车鞍座逆向设计...............................173.1逆向工程学.....................................................173.2逆向工程学的定义..............................................173.3逆向工程学的发展..............................................173.4逆向工程学的作用..............................................183.5自行车鞍座设计中逆向工程的运用................................183.5.1三坐标测量仪................................................183.5.2点云图的生成................................................193.6imageware软件的逆向建模......................................223.6.1imageare软件的简介.........................................223.6.2鞍座点云图的导入imageware软件.............................223.6.3点云的多边形化..............................................233.6.4云多边形化参数的设定........................................243.6.5点云噪点的分析..............................................243.6.6点云噪点的删除..............................................25第2页共35页第1页共35页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共35页3.6.7曲面构造分析................................................253.6.8曲面SurfA、SurfB、SurfC、SurfD和SurfE的构造.............263.7本章小结.......................................................33第四章UG软件对鞍座表面局部造型..........................344.1导入UG6.0中进行鞍座表面的设计................................344.1.1将鞍座模型导入到UGNX6.0软件中............................344.1.2基准平面的建立..............................................344.1.3鞍座上表面草图的构造........................................354.1.4改进后的鞍座模型............................................354.2本章小结.......................................................36第五章总结与展望.....................................375.1工作总结.......................................................375.2展望...........................................................37参考文献：...........................................39致谢...............................................40第3页共35页第2页共35页编号：时...
