How can I produce a repeated stairs output signal with different switching time ?

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Gwendal Colin
Gwendal Colin 2018-6-13
回答： Sabin 2024-1-21
hello, Im trying to command an IGBT continuously (during my 0.04s simulation) with this switching:[1,0,1,0,1,0,1,1,1,1,1,1,1,1,1,0,1,0,1,0,1,1,1,1,1,1,1,1,1,1,0,1,0,1,0,1,0,1] But I want to control the time the IGBT is closed too. So I have for each state a time: [0.684 0.114 0.171 0.114 0.171 0.114 0.114 0.171 0.228 0.228 0.114 0.057 0.114 0.285 0.342 0.057 0.114 0.057 0.627 0.456 0.171 0.513 0.057 0.057 0.456 0.285 0.513 0.057 0.285 0.228 0.171 0.057 0.228 0.114 0.057 0.114 0.114 0.684] I already tried with a stairs generator but it only run once and I want it to be always the same thing during all the simulation I hope I've explain it in a good way, English is not my first language Thanks

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回答（1 个）

Sabin
Sabin 2024-1-21
For this kind of requirement probably a repeating sequence can work:
https://www.mathworks.com/help/simulink/slref/repeatingsequence.html
In general I would look at using a PWM generator and varying the duty cycle to control the IGBT.

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