2009•Journal of North China Institute of Water Conservancy and Hydroelectric PowerRequires access

Software Realization of Generating SPWM Wave Based on TMS320F2812

Wang Ting-ling

Abstract

Considering that generation and control of Sinusoidal Pulse-Width Modulation(SPWM) waveform,which is the core technology of frequency conversion,the asymmetry rule sampling method is particularly analyzed,and the software design is presented,the SPWM wave is realized by TMS320F2812 DSP.The experimental results show that,the SPWM wave generated by asymmetry rule sampling method has faster speed,higher precision,smaller harmonic value,and is easier to convert frequency.

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Key concepts: Digital signal processing, Realization (probability), Pulse-width modulation, Software, Waveform, Sampling (signal processing), Harmonic, Electronic engineering