Robust Control dksyn command issue

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Shoaib Salim
Shoaib Salim 2020-6-29
评论： shahin 2024-1-2
I am working on system with following ss matrices A,B,C,D
A=[ 0 0 0 1 0 0
0 0 0 0 1 0
0 0 0 0 0 1
222.74 -199.79 3.0972 0 0 0
-234.46 245.08 -14.053 0 0 0
5.906 -22.835 17.016 0 0 0];
B=[ 0 0 0
0 0 0
0 0 0
0.85921 -1.7636 0.92717
-0.90439 2.0138 -1.2128
0.022782 -0.12615 0.22853];
C=eye(6,6);
D=zeros(6,3);
When i apply dksyn command it shows error "Undefined function 'dksyn' for input arguments of type 'ss'."
when i get tf of G by tf(G) dksyn command shows error of Undefined function 'dksyn' for input arguments of type 'tf'.
Please help me how can i resolve this issue.
Thanks in advance.

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回答（1 个）

Uttkarsh Jha
Uttkarsh Jha 2020-6-29
编辑：Uttkarsh Jha 2020-6-29
Use of dksyn is not recommended.
Refer to this page for more information on this.
  2 个评论
Shoaib Salim
Shoaib Salim 2020-6-29
Thanks for the answer.
I have to implement dksyn at any cost .Please help me out,
No disturbances, no noise just simple case. How to get P in my case to put in command below;
K,CLP,BND] = dksyn(P,NMEAS,NCONT)
shahin
shahin 2024-1-2
Thank you for your answer. I already designed the H_Infinity controller system . and now I want to design it with MU controller and I don't know the reason for the error.

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