how to change the fall time of step input in simulink

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Hi,
Can we have a neative sloped step input with programmable fall time?
I tried to follow this way but not able to rreproduce the result.
Thanks and regards,
Swasthik

Risposte (1)

Sam Chak
Sam Chak il 22 Set 2022
You reuse the same syntax. I created a general one so that you can enter the desired parameters:
% Syntax:
% u = min(1, max(0, "Linear Line function"));
t = linspace(0, 25, 251);
ramp_start = 10;
ramp_end = 15;
u = min(1, max(0, -1/(ramp_end - ramp_start)*(t - ramp_end)));
plot(t, u, 'linewidth', 1.5), grid on, ylim([-1 2])

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