目录
第1章 绪论.............................................................................................................1
第2章 SPWM变频调速系统基本原理..................................................................2
2.1 SPWM变频调速系统基本原理................................................................2
2.2 常见SPWM信号产生方法........................................................................3
第2章 硬件设计.....................................................................................................4
3.1 系统硬件设计总方案的确定....................................................................4
3.2 带有波形发生器的微处理器芯片的选择................................................4
3.3 主电路的设计............................................................................................6
3.3.1 三相电压型桥式逆变电路..............................................................6
3.3.2 SPWM主电路的设计......................................................................7
3.4 隔离和驱动电路........................................................................................8
3.4.1 抗干扰电路......................................................................................8
3.4.2 光耦隔离驱动电路..........................................................................8
3.5 电源稳压电路............................................................................................9
3.6 过流过压保护电路..................................................................................11
3.7 系统总的硬件电路图..............................................................................12
第3章 软件的设计...............................................................................................13
4.1 系统软件设计流程图..............................................................................13
4.2SPWM波的产生.......................................................................................14
4.3 调速信号检测..........................................................................................15
第4章 课程设计总结...........................................................................................16
参考文献...............................................................................................................17
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