How can I plot a step response to an

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Majd Al mohtar
Majd Al mohtar 2017-11-18
编辑： Salahuddin Bangash 2017-11-18
I want to plot the response of a dc motor to a 15V input, jow can I plot it? Step(sys) shows an input of 1V how can I edit it to show a plot for 15?

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回答（2 个）

Star Strider
Star Strider 2017-11-18
You can increase the amplitude of the step by using stepDataOptions:
opt = stepDataOptions;
opt.StepAmplitude = 15;
y = step(sys, t, opt);
Salahuddin Bangash
Salahuddin Bangash 2017-11-18
编辑：Salahuddin Bangash 2017-11-18
syms s
num=[15]
g=tf(num,1)
step(g)
grid on %is that wat u want?
%or
step(15,1)

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