Set initial value to decrement from when using a sum block loop in Simulink

Question

Steve 2023-8-13

0
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https://ww2.mathworks.cn/matlabcentral/answers/2008012-set-initial-value-to-decrement-from-when-using-a-sum-block-loop-in-simulink

回答： Fangjun Jiang 2023-8-13

I want to decrease a value down to zero using a negative sum block loop in Simulink. I can get the value to decrease by my specified decrement, but I'm not sure how to set the initial value. The block model is:

This configuration starts from 0 and decrements downwards from there:

How do I change the setup so that the initial starting value on the y-axis is also the same as the constant value (in this example 5) that is decremented?

Thanks for the help!