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ÓÃÒÔϳÌÐò½øÐмÆË㣬Êý¾Ý½á¹ûÈ´ÊÇÒ»ÕýÒ»¸º½»Ì棬 µ«ÊÇ·½³ÌÔ¤ÆÚµÄ½âÊDz»¿ÉÄÜ´æÔÚ¸ºÖµµÄ£¬Ë¼¿¼¹ý¿ÉÄÜ´æÔÚµÄÎÊÌ⣬³õÖµ£¬·½³Ì×鶼ûÎÊÌ⣬ÇëÎÊmatlab×ÔÉíµÄ½â·¨ÓпÉÄÜÔì³ÉÕâÖÖ½á¹ûÂð£¿Èç¹ûÓУ¬¿ÉÒÔ¸æËßÎÒÔõô½â¾öÂð? -------------------------------------------------------------------------------------- ²¿·Ö³ÌÐò£º Ki=108.85;Kp=108.85;Ktm=0.012;Ktal=0.12;Kth=4.8;Kd=0.001; M=0.21£»H=0.002 y0=zero(1,2*n+2) y0(1,1)=0.0000045 y0(1,2)=0.00045 [t,y]=ode45(@mwd,tspan,y0) function dydt=mwd(t,y) global Ki Kp Ktm Ktal Kth Kd M H n ju=0; for j=3: (n+2) ju=ju+y(j); end mwd(1)=(Kth*H^0.5+Ktal*y(2)+Ktm*M+Kd)*ju-Ki*y(1)*M-Kd*y(1); mwd(2)=-Ktal*y(2)*ju; mwd(3)=Ki*y(1)*M-Kp*y(3)*M-(Kth*H^0.5+Ktal*y(2)+Ktm*M+Kd)*y(3); for k=4: (n+2) mwd(k)=Kp*y(k-1)*M-Kp*y(k)*M-(Kth*H^0.5+Ktal*y(2)+Ktm*M+Kd)*y(k); end for k=3: (n+2) mwd(k+n)=(Kth*H^0.5+Ktal*y(2)+Ktm*M+Kd)*y(k); end dydt=mwd( : ); [ Last edited by gg0520 on 2009-9-18 at 15:37 ] |
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tang_hongbo
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4Â¥2009-09-28 21:21:01
wzp0098
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2Â¥2009-09-27 22:13:18
backstroke9680
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3Â¥2009-09-28 19:34:57
sui2066
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5Â¥2009-09-28 21:22:14














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