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i-pigÌú³æ (³õÈëÎÄ̳)
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MATLABÀïÃæµÄhinfoptº¯Êý£¬Í¬Ê±Çó³ö¿ØÖÆÆ÷ºÍ¿ØÖÆÆ÷×÷ÓÃϱջ·ÏµÍ³µÄ״̬·½³Ì£¬ÑéÖ¤±Õ»·ÏµÍ³Ê±£¬ÎªÊ²Ã´½á¹û²»Ò»ÑùÄÅ£¬Ò»ÖÖÊÇÓú¯ÊýÖ±½ÓÇóµÃµÄ±Õ»·ÏµÍ³×ö½×Ô¾£¬ÁíÒ»ÖÖÊÇ¿ØÖÆÆ÷ºÍÔ´«µÝº¯ÊýÁ¬½ÓÔÙ·´À¡£¬ÏÂÃæÊÇ´úÂ룬°ÝÍÐÅ£È˸øÐ¡µÜ½âÊÍһϰɣ¬ÎÒ¿ì·èÁË¡¡ time=0:0.1:10; [ag,bg,cg,dg] = tf2ss([1 -1],[1 -2]); ssg = mksys(ag,bg,cg,dg); w1 = [0.1*[1 100];[100 1]]; w2 = [0.1;1]; w3 = []; [TSS] = augtf(ssg,w1,w2,w3); [gamopt,sscp,sscl] = hinfopt(TSS); [acp,bcp,ccp,dcp]=branch(sscp); % unpacking controller [acl,bcl,ccl,dcl]=branch(sscl); % unpacking closed-loop tf-function % closed loop (=T) from the hinfopt-output cl=ss(acl,bcl,ccl,dcl); [Y_cl,t_cl,X_cl]=step(cl,time); % T calculated with series and feedbk [aG,bG,cG,dG]=series(acp,bcp,ccp,dcp,ag,bg,cg,dg); [aT,bT,cT,dT]=feedbk(aG,bG,cG,dG,1); ss_T1=ss(aT,bT,cT,dT); [Y_T1,t_T1,X_T1]=step(ss_T1,time); figure(1) subplot(2,2,1);plot(time,Y_cl(:,1,1)) subplot(2,2,2);pzmap(cl) subplot(2,2,3);plot(time,Y_T1(:,1,1)) subplot(2,2,4);pzmap(ss_T1) [ Last edited by i-pig on 2011-5-16 at 11:56 ] |
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