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how to get the control signal from the pid controller?

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Mohamed Aburakhis
Mohamed Aburakhis 2016-4-26
评论： Arkadiy Turevskiy 2016-4-27
suppose we have simple code like this
As=[matrix A]; Bs=[matrix B]'; Cs=[matrix A]; Ds = 0; Syss = ss(As,Bs,Cs,Ds); TF=tf(Syss); FE=1; C=pid(kp,ki,kd); T=feedback(C*TF,FE)
how can I get the control signal (output of the PID controller)?

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Arkadiy Turevskiy
Arkadiy Turevskiy 2016-4-26
sys=C/(1+C*TF);
step(sys)
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Mohamed Aburakhis
Mohamed Aburakhis 2016-4-26
I need to get the control signal which is the output of the PID. If I have system described above and I give the system step as reference signal step(T), how can I get the control signal vector.

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