基于Matlab嵌入式模块的三相SPWM生成

研究了一种通过软件编程实现三相SPWM信号生成的方法，提出使用MATLAB／Simulink模块库中EmbeddedMat—lab函数模块来描述SPWM控制算法，通过M文件编写的EmbeddedMatlab函数完全是算法的再现，且EmbeddedMatlab可以完成SPWM控制算法的嵌入式代码生成。编译成功的SPWM程序生成的EmbeddedMatlab函数模块可用于Simulink系统仿真，最后针对一个无滤波环节的三相逆变器系统进行仿真验证，结果表明，通过编写EmbeddedMatlab函数生成的SPWM驱动信号可以准确实现对逆变器的驱动，为后续嵌入式系统开发打下了基础。

Realization of Three -Phase SPWM Based on Embedded Matlab Function

This paper researches a method to generate SPWM signal based on software programme, presents that use the user - de- fined block - Embedded Matlab Function block in MATLAB/Simulink block library to describe the algorithm of SPWM , the Em- bedded Matlab function written by M - file is reflection of the SPWM algorithm, and Embedded MATLAB can complete the work that generate the embedded code of SPWM algorithm. Successfully compiled programme of SPWM signal can generate Embedded MAT- LAB block and the block can be used in Simulink system. Finally, use the Embedded Matlab Function to simu!ate in a three - phase inverter system without filters, the simulation results show that the generated SPWM signal written by Embedded MATLAB function can accurately drive the inverter and lay a good foundation for the development of embedded system.