基于FPGA的空间矢量脉冲宽度调制发生器设计(英文)

Design of SVPWM generator based on FPGA

采用自顶向下的设计方法,设计出一种新的基于FPGA的空间矢量脉宽调制发生器。通过设置逻辑判断子模块,调制发生器能有效地处理过调制。通过利用宏功能,空间矢量脉宽调制发生器的一些子模块能完成更为有效的逻辑综合与器件实现。该脉宽调制发生器的实现结构紧凑,时序逻辑简单,能方便地设置开关频率,且能灵活调整死区时间,以适用于不同的应用场合。基于MATLAB/SimPowerSystems与Altera DSP Builder的集成开发环境,设计出一个FPGA实验平台(硬件环仿真平台),并通过硬件环仿真对所设计的空间矢量脉宽调制发生器进行验证。实验结果表明了设计策略的有效性。

An FPGA-based SVPWM generator is designed with the top-down design methodology,which deals with the over modulation effectively by the logic judgment module and implements the efficient logic synthesis conveniently in its submodules by the macro functions.Its structure is compact,its timing logic is simple,and its switching-frequency and dead-time can be easily set for different applications.An FPGA experimental platform is designed based on the integrated development environment of MATLAB/SimPowerSystems and Altera DSP Builder,by which the effectiveness of the designed SVPWM generator is verified through the HIL（Hardware In the Loop） simulation.