液压伺服千斤顶系统设计

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1、目录1.引言................................................................................31.1选题的依据及课题的意义............................................................31.2国内外的研究概况........................................................................31.3单片机控制系统的发展概况.................................

2、.......................41.4PID控制算法的发展概况.............................................................61.5设计要求及工作内容....................................................................71.6目标、主要特色及工作进度........................................................72．机械结构与液压传动系统设计.........................

3、..........72.1系统结构分析.................................................................................82.2千斤顶零部件分析......................................................................102.3油缸与螺纹的校验......................................................................132.3.1油缸的壁厚校验..............

4、..................................................................132.3.2锁母螺纹牙剪切强度校验...............................................................132.3.3锁母螺纹牙的弯曲强度校验............................................................142.4液压系统分析.........................................................

5、.....................152.5液压泵与电动机的选择..............................................................162.6超高压泵站简介..........................................................................173.单片机控制系统设计.................................................183.1单片机的选用及功能介绍................................

6、..........................183.2片外存储器功能简介..................................................................193.3显示部分设计..............................................................................223.4键盘部分设计..............................................................................253.5交流异步电

7、动机变频调速系统..................................................283.5.1交流异步电动机变频调速原理.......................................................283.5.2主电路和逆变电路工作原理............................................................293.5.3变频与变压............