How to make a bode plot from a transfer function

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Uzair Akhtar 2020-4-9

评论： Star Strider 2020-4-9

Hi how would I make a blode plot from this transfer function?

Gp(s) = (10e^-0.25S)/((1+1.2S)(1+3.5S))

is this the correct code in Matlab?

Star Strider 2020-4-9

Yes.

The code you posted:

s = tf('s');
g = 10*exp(-0.25*s)/((1+1.2*s)*(1+3.5*s))
figure
bode(g)
grid

should work.

Are you having problems with it?

Uzair Akhtar 2020-4-9

Thank you really appreciate your help.

Im quite new to Matlab so I just wanted to confirm if I entered this transfer function correctly in the matlab code I sent in the previous message.

Thanks again.

Star Strider 2020-4-9

As always, my pleasure!

It looks correct to me. Note that the exponential term is an output delay that primarily affects the phase of the Bode plot.

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