目 录
课程设计任务书............................................................................................................. .......
摘要............................................................................................................................. ..........
目录............................................................................................................................. ..........
第一章、概论......................................................................................................................1
1.1 变频调速技术的发展.....................................................................................................1
1.2 变频调速系统的方案.....................................................................................................2
1.3 本文研究内容.................................................................................................................3
1.4 设计目的........................................................................................................................3
第二章、恒压频比交流调速原理........................................................................................4
2.1 原理概述........................................................................................................................4
2.2 正弦脉宽调制(SPWM)控制理论..............................................................................4
第三章、MATLAB 仿真部分...................................................................................... ..........6
3.1 电动机参数计算.............................................................................................................6
3.2 逆变器传递函数.............................................................................................................8
3.3 恒压频比变频调速系统模型.........................................................................................9
3.4 系统仿真波形...............................................................................................................10
3.5 仿真分析......................................................................................................................12
第四章、硬件设计.............................................................................................................13
4.1 变频调速系统的整体设计...........................................................................................13
4.2 主电路设计..................................................................................................................14
4.3 系统保护电路设计.......................................................................................................19
4.4 控制电路的设计...........................................................................................................20
第五章、变频调速系统的软件设计..................................................................................22
DSP 生成 SPWM 波形.........................................................................................................22
系统程序设计....................................................................................................................25
第六章、总结....................................................................................................................26
参考文献............................................................................................................................27
附录...................................................................................................................................28