MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn moreOpportunities for recent engineering grads.

Apply Today**New to MATLAB?**

Asked by manoj saini
on 15 Feb 2013

what is method to find out ramp response of a transfer system.......... there is any command like step or impulse?

Answer by Azzi Abdelmalek
on 15 Feb 2013

Edited by Azzi Abdelmalek
on 15 Feb 2013

You can use lsim function for any input

t=0:0.1:10 alpha=2 ramp=alpha*t % Your input signal model=tf(1,[1 20 3]); % Your transfer function [y,t]=lsim(model,ramp,t) plot(t,y)

Answer by Teja Muppirala
on 15 Feb 2013

You could get the ramp response by dividing your transfer function by s, and then taking the step response.

For example:

s = tf('s'); G = 1/(s+1);

figure subplot(311), impulse(G); % Impulse reponse subplot(312), step(G); % Step Response subplot(313), step(G / s); % Ramp response

Azzi Abdelmalek
on 15 Feb 2013

% or more general:

out=impulse(G*U) % G your transfer function % U the Laplace transform of your input signal

## 0 Comments