how to change the fall time of step input in simulink

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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,

Answers (1)

Sam Chak
Sam Chak on 22 Sep 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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