JIUJIANGUNIVERSITY毕业论文（设计）题目基于单片机的数字式直流电机调速控制系统英文题目TheDesignofDigitalDCConverterCircuitBaseonMCU院系电子工程学院专业电子信息工程姓名胡宾发年级大四指导教师谢新文2014年6月摘要..........................................................................................................................................1TheDesignofDigitalDCConverterCircuitBaseonMCU...............................................2引言..............................................................................................................................................31.1国内外研究状况....................................................................................................................31.2课题研究的目的和意义....................................................................................................41.3预期达到的目标................................................................................................................52.直流电机控制原理......................................................................................................................52.1单片机介绍......................................................................................................................52.1.1单片机概况............................................................................................................52.1.289c51简介..........................................................................................................52.1.389C51结构原理.................................................................................................62.1.489C51基本功能..................................................................................................72.2IR2110功率驱动介绍.................................................................................................112.2.1IR2110内部结构原理图及管脚说明.............................................................112.2.2IR2110的自举电路.........................................................................................122.3直流电机基本调速方法.................................................................................................133.系统硬件电路............................................................................................................................163.1系统方框图....................................................................................................................163.2电路各个模块的原理.....................................................................................................173.2.1键盘输入电路.....................................................................................................173.2.2稳压可调电源.....................................................................................................173.2.3复位和时钟电路.................................................................................................183.2.4显示电路.............................................................................................................193.2.5H桥PWM控制电路............................................................................................213.2.6隔离方案电路...................................................................................................243.2.7数据采集、过压反馈保护电路......................
