how to apply PID controller on dynamic system in state space form? example please

dynamic equation MX'' + CX' + KX=F; In state space form x'(t) = Ax(t) + Bu(t); y(t) = Cx(t) + Du(t); PID gain u=Kp.e(t) + Ki. integration of e(t) + Kd. differentiation of e(t); where e(t)=output -input;

回答(2 个)

You can create a PID controller using the pid function:
Then, you can use feedback function to connect to your system:
C = pid(Kp,Ki);
G = ss(A,B,C,D);
closedLoop = feedback(G*C,1);
- Sebastian

2 个评论

sir how this program will change if x'(t) = Ax(t) + B*u(t)+Bphi*Uphi(t); y(t) = Cx(t) + Du(t); PID controller. In short how to use two inputs in PID controller u(t) and Uphi(t), to get x response of the system. Please help

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Error using DynamicSystem/ss (line 82)
Invalid syntax for the "ss" command. Type "help ss" for more information.
Error in Passivestatespace (line 15)
SYS = ss(A,B,C,D,Ts);
Give me this error.Could you help me ?

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