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yoyo0201

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[ÇóÖú] ¹ØÓÚMatalbÖÐLMI¹¤¾ßÏäÇóÖµÎÊÌâ

(Ai+Bi*Gi)'P+P'(Ai+Bi*Gi)'<0,i=1,2,3;ÒÑÖªA1£¬A2£¬A3£¬B1£¬B2£¬B3;¸ù¾Ý²»µÈʽÓÃLMI¹¤¾ßÏäÇóP,G1£¬G2£¬G3.³ÌÐòÈçÏ£¬ÔËÐгö´í£¬ÇëÎÊÎÊÌâ³öÔÚÄÄÀï?
%%%%%¸³Öµ
A1=[0 0 0 1 -0.0349 0;0 0 0 0.0349 1 0;0 0 0 0 0 1;-0.0358 0 0 -0.0797 0 0;0 -0.0208 0 0 -0.0818 -0.1224;0 -0.0394 0 0 -0.2254 -0.2468];
A2=[0 0 0 0.0349 -1 0;0 0 0 1 0.0349 0;0 0 0 0 0 1;-0.0358 0 0 -0.0797 0 0;0 -0.0208 0 0 -0.0818 -0.1224;0 -0.0394 0 0 -0.2254 -0.2468];
A3=[0 0 0 0.0349 1 0;0 0 0 -1 0.0349 0;0 0 0 0 0 1;-0.0358 0 0 -0.0797 0 0;0 -0.0208 0 0 -0.0818 -0.1224;0 -0.0394 0 0 -0.2254 -0.2468];
B1=[0 0 0 0.9215 0 0;0 0 0 0 0.7802 1.4811;0 0 0 0 1.4811 7.4562]';
B2=B1;B3=B1;
%%%LMI%%%%%%
%³õʼ»¯LMI
setlmis([]);
%¶¨Òå±äÁ¿
P=lmivar(1,[6,1]);
G1=lmivar(2,[3,6]);
G2=lmivar(2,[3,6]);
G3=lmivar(2,[3,6]);
%Ìí¼ÓÏî
lmiterm([1 1 1 P],1,A1+B1*G1,'s');
lmiterm([2 1 1 P],1,A2+B2*G2,'s');
lmiterm([3 1 1 P],1,A3+B3*G3,'s');
%»ñÈ¡LMIϵͳÃèÊö
lmis=getlmis;
[tmin,xfeas]=feasp(lmis)
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xiegangmai: ½ð±Ò+2, лл²ÎÓë 2013-01-06 14:44:54
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lmiterm([1 1 1 P],1,A1+B1*G1,'s');
lmiterm([2 1 1 P],1,A2+B2*G2,'s');
lmiterm([3 1 1 P],1,A3+B3*G3,'s');
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