PID controller, transfer function

Anny idea how i can type in the transfer functions for P, PI, PD and PID and compare them in a bode plot together?

Answer 1

[Arkadiy Turevskiy]

Something like this would do:(note that this requires Control System Toolbox).

P=pid(1)
PI=pid(1,1)
PD=pid(1,0,1)
PID=pid(1,1,1)
bode(P,PI,PD,PID)
legend('P','PI','PD','PID')