目 录
第一章 绪论 ..............................................................................................1
1.1 引言.................................................................................................................1
1.2 选题背景.........................................................................................................1
1.3 课题研究意义.................................................................................................2
1.4 研究内容.........................................................................................................2
1.5 本文的结构.....................................................................................................2
第二章 SVPWM 的生成原理..................................................................4
2.1 24V 直流无刷电机调速控制 ........................................................................4
2.2 几种 PWM 输出方法的比较 .........................................................................4
2.3 SVPWM 生成原理..........................................................................................4
第三章 SVPWM 算法的实现..................................................................7
3.1 扇区的判断.....................................................................................................7
3.2 相邻两矢量的开关作用时间.........................................................................7
3.3 切换顺序.........................................................................................................9
3.4 SVPWM 的调速............................................................................................10
3.5 SVPWM 波的死区控制................................................................................10
第四章 支持 SVPWM 发生器的硬件电路...........................................11
4.1 DSP 微处理器 ...............................................................................................11
4.2 DSP 基本外围电路的设计 ...........................................................................12
4.3 功率驱动电路................................................................................................14
4.4 SVPWM 产生的硬件基础............................................................................16
第五章 SVPWM 的软件设计................................................................18
5.1 定点 DSP 的 Q 格式 .....................................................................................18
5.2 SVPWM 控制参数的 Q 格式及代码实现 ...................................................19
5.3 SVPWM 程序流程图....................................................................................20
5.4 实验结果分析...............................................................................................21
第六章 结论............................................................................................................23
致谢 ...........................................................................................................24
参考文献.....................................................................................................25
附录 A：硬件设计原理图..........................................................................................26
