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F28335 ePWM block duty cycle logic for SPWM wave

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ashish ahir
ashish ahir el 3 de Ag. de 2015
Comentada: henda bouyahi el 18 de Feb. de 2017
I want to generate SPWM wave with 20KHz switching frequency and 50Hz modulating signal frequency. I am using F28335 ePWM block in simulink to do that. That block has duty cycle as input parameter. For SPWM wave, duty cycle should continuously vary, in perticular pattern. can any one suggest some logic to do that.any general logic will help(other than simulink blocks) . p.s. need logic to vary duty cycle of ePWM block in simulink to get SPWM(sinusoidal PWM) signal on F28335 board. any general logic will also help.(other than simulink blocks)
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Nadia Smith
Nadia Smith el 27 de Dic. de 2016
I'm having the same issue. Were you able to get it working?
henda bouyahi
henda bouyahi el 18 de Feb. de 2017
Me too, are you solve this working?

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bharadwaj r
bharadwaj r el 17 de Ag. de 2015
use the CMPA register in the ePWM module to change the duty cycle of the PWM

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