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机电一体化毕业设计（论文）

毕业设计任务书 毕业设计题目： 单片机控制直流电机的变速

设计 专业： 机电一体化 毕业设计的内容要求： 1. 有利于自动化，减少投资，提高生产率，稳定产品质量 2. 功能更强、性能更好 3.了解

应用整机连接及性能测试。 指导教师： 系主任： 年 月 日 目录 第一章 总体设计方案································································································· 1 方案选取······················································································································1 方案一：PWM波调速················································

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···············································1 方案二：晶闸管调速······························································································2 第二章 单元模块设计································································································· 3 H桥电路方案设计······································································································3 调速设计方案···········································································································4 系统硬件电路设计······································································································5 电源电路···········································································································5 H桥驱动电路···································································································

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···········5 2．5基于霍尔传感器的测速模块····················································································6 2．6 LCD显示模块············································································································7 调速设计模块···········································································································8 测速软件设计············································································································10 第三章 系统功能调试································································································· 11 调试软件介绍············································································································11 直流电机的调速功能仿真························································································12 电机速度的测量并显示功能仿

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