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Stepinfo for time delayed systems

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Hasan
Hasan on 21 Mar 2023
Edited: Bora Eryilmaz on 21 Mar 2023
I have time delayed system. For example,
G(s)=(1/(s+1))*e^-2s
The system has 2 second time delay. How can I find stepinfo data?

Accepted Answer

Bora Eryilmaz
Bora Eryilmaz on 21 Mar 2023
Edited: Bora Eryilmaz on 21 Mar 2023
s = tf('s');
G = (1/(s+1))*exp(-2*s)
G = 1 exp(-2*s) * ----- s + 1 Continuous-time transfer function.
% Step response information
step(G)
stepinfo(G)
ans = struct with fields:
RiseTime: 2.1973 TransientTime: 5.9123 SettlingTime: 5.9123 SettlingMin: 0.9026 SettlingMax: 0.9999 Overshoot: 0 Undershoot: 0 Peak: 0.9999 PeakTime: 11.4669
% Time delay of the system
G.InputDelay
ans = 2

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