前言
F28335中断
![](https://file.jishuzhan.net/article/1689229720970858498/3d3b815e7f5a4367a55666eb8d57b3cd.png)
![](https://file.jishuzhan.net/article/1689229720970858498/d592320bb46e4637a6ddfb595cdf2f39.png)
目的:FOC的核心算法及SVPWM输出,SVPWM的载波频率10kHz,SVPWM的每个周期都会触发ADC中断采集相电流,SVPWM为芯片ePWM4、5、6通道,配置死区
1、配置中断SVPWM进ADC中断,查上表知CPU=1,PIE=1
![](https://file.jishuzhan.net/article/1689229720970858498/6ad7f68544554f2585d3f1d473e6efe0.png)
2、配置中断内
![](https://file.jishuzhan.net/article/1689229720970858498/f52a8910aaa54cbcb785a758fa14c338.png)
3、进入中断内
![](https://file.jishuzhan.net/article/1689229720970858498/7638c8fc98dd403284cdd727cd5bf598.png)
4、配置ADC信息
由相电流传感器电压值计算直轴交轴电流
![](https://file.jishuzhan.net/article/1689229720970858498/415cb5210d1e44d99ef19497eade763e.png)
电路如下
![](https://file.jishuzhan.net/article/1689229720970858498/86e27a20d8704da99e39aacb0fbddefd.png)
软件配置如下
![](https://file.jishuzhan.net/article/1689229720970858498/5e3721d2a181462e9cec556d3b661459.png)
![](https://file.jishuzhan.net/article/1689229720970858498/27b3e249556f49c3ae38a5ab3e54e241.png)
5、电流换算
![](https://file.jishuzhan.net/article/1689229720970858498/abb2b2d3570c4b678396e9be05871863.png)
6、Clarke变换
![](https://file.jishuzhan.net/article/1689229720970858498/59a0b2db3a75451790ebfe7370c75397.png)
7、Park变换
![](https://file.jishuzhan.net/article/1689229720970858498/889f66649be240afa633cdbeb77e2faf.png)
8、由直轴交轴电压计算SVPWM
![](https://file.jishuzhan.net/article/1689229720970858498/46e44bed89894c9f95acd8ab2037cfec.png)
9、park反变换
10、SVPWM计算依据
![](https://file.jishuzhan.net/article/1689229720970858498/d3eafd699f6840d6b0691c0eb7236e77.png)
11、SVPWM输出
![](https://file.jishuzhan.net/article/1689229720970858498/e3d8f7caae56438fbd7c6924fe5342d1.png)
12、配置ePWM,以ePWM4为例
![](https://file.jishuzhan.net/article/1689229720970858498/57fe670a45754284a14e3060e9b52870.png)
![](https://file.jishuzhan.net/article/1689229720970858498/1c66c65717eb47c8b20eeaa22fb1b851.png)
![](https://file.jishuzhan.net/article/1689229720970858498/9d9f75da917f4d0f898f2aa52d50fd9f.png)
![](https://file.jishuzhan.net/article/1689229720970858498/0f37517799a2442abce8a2b415773313.png)
![](https://file.jishuzhan.net/article/1689229720970858498/93c5673ed9f64460a695bdd659781cc1.png)