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How can i calculate the correct value of the RMS in simulink?

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Marc Saade
Marc Saade 2019-4-12
关闭： Sabin 2023-3-11
Hej, I have a buck circuit in simulink and i am using the voltmeter and the ampmeter block to get the current. I also collect the RMS and the minimum value. However,
When i display the values of both the RMS and the minimum value it keeps changing even though i did not modify anything in the circuit. I tried using a function block instead and modify the sampling time but it also did not work. What i want is the claculation of the RMS and Min at steady state (it should be a constant value). So how can I do a calculation of the RMS and Min at steady state correctly?

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