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zjc1987½ð³æ (ÖøÃûдÊÖ)
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½µÎ¬¹Û²âÆ÷ Ϊɶ¹Û²âÆ÷Îó²î²»Îª0ÄØ£¿ Çë¸ßÊÖ°ïÎÒÖ¸³ö³ÌÐòÓÐûÎÊÌâ ÒÑÓÐ1È˲ÎÓë
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ÎÒÊÇÑϸñ°´Õս̲ÄÉϵķ½·¨Éè¼ÆµÄ½µÎ¬¹Û²âÆ÷£¬¿ÉÊÇΪʲô¹Û²âÆ÷Îó²î²»ÊÕÁ²µ½0ÄØ£¿ÊÇÒ»¸ö×î¼òµ¥µÄÏßÐÔϵͳ£º dx/dt=Ax+Bu y=Cx; Ò»ÏÂÊÇÎҵijÌÐò£º ×¢£ºÏÂÃæµÄЦÁ³·ûºÅÆäʵÊÇ¡°£º£©¡±£¬²»ÖªµÀ³öÀ´µÄЧ¹û±ä³ÉÒ»¸öЦÁ³ÁË¡£ function d=jiangweishiyan(t,x) A=[0 1 0;0 0 1;-2 1 2]; B=[1;0; -1]; C=[1 -2 0;0 -1 3]; P=[C;0 0 1]; Q=inv(P); AA=P*A*inv(P); BB=P*B; AA11=AA(1:2,1:2); AA12=AA(1:2,3:3); AA21=AA(3:3,1:2); AA22=AA(3,3); BB1=BB(1:2); BB2=BB(3); K=place(AA22',AA12',-4); L=K'; u=sin(t); d1=A*x(1:3)+B*u; y0=C*x(1:3); d2=(AA22-L*AA12)*(x(4)+L*y0)+(AA21-L*AA11)*y0+(BB2-L*BB1)*u; d=[d1;d2]; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function jiangweishiyansol A=[0 1 0;0 0 1;-2 1 2]; B=[1;0 ;-1]; C=[1 -2 0;0 -1 3]; P=[C;0 0 1]; Q=inv(P); AA=P*A*inv(P); BB=P*B; AA11=AA(1:2,1:2); AA12=AA(1:2,3:3); AA21=AA(3:3,1:2); AA22=AA(3,3); BB1=BB(1:2); BB2=BB(3); K=place(AA22',AA12',-4); L=K'; initial=[1 2 -1 1]; [t x]=ode45(@jiangweishiyan,[0 17],initial); x=x'; y0=C*x(1:3, ;est=Q*[y0;x(4, +L*y0];error=x(2, -est(2, ;plot(t,error,'r-');hold on; |
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1033070192
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 601.7
- Ìû×Ó: 52
- ÔÚÏß: 34.2Сʱ
- ³æºÅ: 2385475
- ×¢²á: 2013-03-29
- ÐÔ±ð: GG
- רҵ: ¿ØÖÆÀíÂÛÓë·½·¨
2Â¥2014-08-25 17:07:09
zjc1987
½ð³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 2059.2
- É¢½ð: 1871
- ºì»¨: 12
- Ìû×Ó: 1661
- ÔÚÏß: 649.5Сʱ
- ³æºÅ: 2374941
- ×¢²á: 2013-03-22
- ÐÔ±ð: GG
- רҵ: ³£Î¢·Ö·½³ÌÓ붯Á¦ÏµÍ³

3Â¥2014-08-25 18:31:29
1033070192
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 601.7
- Ìû×Ó: 52
- ÔÚÏß: 34.2Сʱ
- ³æºÅ: 2385475
- ×¢²á: 2013-03-29
- ÐÔ±ð: GG
- רҵ: ¿ØÖÆÀíÂÛÓë·½·¨
4Â¥2014-08-29 10:45:53













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