How to combine function in simulink

Question

Dimitrios Adam 2021-4-8

0
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https://ww2.mathworks.cn/matlabcentral/answers/796877-how-to-combine-function-in-simulink

回答： Walter Roberson 2021-4-8

Hello,

I have a problem in which the derivative of the entrance is a ramp function from 1 to 3 second and then step function from 3 to inf.How can i combine both of those function,i tried with puting one ramp from 1 to 3 seconds, then a ramp the opposite slope from 3 to inf and then the step function, with using 2 sums, and then i used the derivative box.But the result was no the correct.What do you recommend me to do.