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1、本科毕业论文题目：大豆滚筒清选机传动结构设计学生姓名届2016学院机械工程专业机械设计制造及其自动化指导教师职称助教下达任务日期2015年12月1日摘要大豆滚筒清选机作为农业机械的一种，现在已经越来越普遍地应用到农业的大生产中。国内大豆滚筒清选机的研发及制造要与全球号召的高效经济、安全稳定主题保持一致。近期对机械行业中大豆滚筒清选机的使用情况进行了调查，发现在农业机械行业中，对于大豆等农作物的清选，如果在清选时使用临时设备清选，不但劳动强度太大而且工作效率极低，所以设计一个专用的大豆滚筒清选机势在必行。本文运用大学所学的知识，提出了大豆滚筒清选机的结
2、构组成、工作原理以及主要零部件的设计中所必须的理论计算和相关强度校验，构建了大豆滚筒清选机总的指导思想，从而得出了该大豆滚筒清选机的优点是高效，经济，并且运行平稳的结论。关键词：大豆滚筒清选机；农业机械；设备；高效全套图纸，加IABSTRACTWithdevelopmentofallkindofsciencetechnologyandglobaleconomy,Fmanipulatorisaautomated16devicesthatcanmimicthehumanhandandarmmovementstodosomething，aslocanacc
3、ordingtoafixedproceduretomovingobjectsorcontroltools.Itcanreplacetheheaylaborinordertoachievetheproductionmechanizationandautomation,andcanworkindangerousworkingenvironmentstoprotectthepersonalsafety.Thereforewidelyusedinmachinebuilding,metallurgy,electronics,lightindustryandat
4、omicenergysectors.Thepneumaticpartofthedesignisprimarilytochoosetherightvalvesanddesignareasonablepneumaticcontrolloop,bycontrollingandregulatingpressure,flowatcompressengththdirectionprocedurework.The inverted pendulum is a typical high order system, with multi variable, non-l
5、inear, strong-coupling, fleet and absolutely instable. It is representative as an ideal model to prove new control theory and techniques. During the control process, pendulum can effectively reflect many key problems such as equanimity, robust, follow-up and track, therefore.Th
6、is paper studies a control method of double inverted pendulum . First of all, the mathematical model of the double inverted pendulum is established, then make a control design to double inverted pendulum on the mathematical model, and determine the system performance index weig
7、htmatrix , by using genetic algorithm in order to attain the system state feedback control matrix. F the simulation of the system is made by . KEYWORDS：pneumaticmanipulator；cylinder；pneumaticloop；FoutdegreesoffreedomII目录摘要IABSTRACTII目录III1绪论11.1课题的来源与研究的目的和意义21.2本课题研究的内容31.3滚筒
8、清选机的发展概况32大豆滚筒清选机总体结构的设计62.1大豆滚筒清选机的总体方案图82.2大豆滚筒清选机的工
