Integrate a signal over the last x seconds

Hi,

I hope you can give me a good track to solve this problem on Simulink

I need to integrate a signal over the last 30 seconds, continously, so that:

where t0 is the actual time and x are the seconds backwards.

V is therefore changing every second.

Thanks a lot!

Francesco

Answer 1

[Pat Gipper]

Using a combination of an integrator, transport delay and summer where you subtract the value of the integrator output from 30 seconds prior from the current output might satisfy what you need.

[Francesco Galuppo]

Thanks a lot! The problem is fully solved with a variable time delay, where the second input is the clock output minus the x that I want.

I accepted your answer, thanks again

BR

Francesco