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whk430

гæ (³õÈëÎÄ̳)

[ÇóÖú] function mÎļþÀïÃæÈçºÎ×Ô¶¨ÒåÊäÈ룬²¢ÇÒÖ±½ÓµÃµ½½á¹ûÄØ£¿

ÇóÖú£¬×Ô¼ºÐ´ÁËÒ»¸öfunction MÎļþ£¬ÒòΪ´«µÝº¯ÊýµÄ²ÎÊý²»ÊǶ¨ÖµÊDZäÁ¿¡£Ï£ÍûÄܹ»Ö±½Ó³ö½á¹û£¬¿ÉÊDz»ÖªµÀ¸ÃÓÃʲôÓï¾ä¡£inputÊÇxs¡£Èç¹ûÖ±½ÓºÍsysÏà³ËÊǿ϶¨²»¶ÔµÄ£¬µÃµ½µÄ»¹ÊÇ´«µÝº¯Êý¶ø²»Êǽá¹û~xsÆäʵÊǸöÓÐÆ«ÒƵķ½²¨¡£
´úÂëÈçÏ£º
function y=opentf(u)
cpe=u(1);
xs=u(2);
xp=u(3);
cie=1.2465e-3;
r=11.43/5.8;
B=7000e5;
a1=11.43e-4;
a2=5.8e-4;
Kl=2e-12;
cl=5.871e-2;
m=95;
ci1=(2*r/(1+r))*cie;
ci2=(2/(1+r))*cie;
cp1=4*(1+r^3)/((1+r)^2*r)*cpe;
cp2=4*(1+r^3)/((1+r)^2)*cpe;
V1=a1*(0.26+xp);
V2=a2*(0.26-xp);
Kl1=Kl*(1+(1/r)^2)+cp1;
Kl2=Kl*(1+r^2)+cp2;

A2=(a1*ci1*V2+a2*ci2*V1)/B;
A1=a1*ci1*Kl2+a2*ci2*Kl1;
B4=m*V1*V2/B^2;
B3=m/B*(V1*Kl2+V2*Kl1)+cl*V1*V2/B^2;
B2=m*Kl1*Kl2+(cl*(V1*Kl2+V2*Kl1)+(a1^2*V2+a2^2*V1)/B);
B1=cl*Kl1*Kl2+a1^2*Kl2+a2^2*Kl1;

num=[A2 A1];
den=[B4 B3 B2 B1];
sys=tf(num,den);
y=?????
»Ø¸´´ËÂ¥

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ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cobrasq

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
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1592203609: ½ð±Ò+1, лл»ØÌû 2013-11-02 12:12:03
whk430: ½ð±Ò+5 2013-11-03 22:39:21
Óà lsim() º¯ÊýÈçÏ£º

t=t0:h:t1;
(y,t) = lsim(sys, xs, t);

ÆäÖÐ t0, h, t1 È¡¾öÓÚÄãµÄÊäÈëÐźŵÄʱÐò¡£
2Â¥2013-11-02 02:00:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cobrasq

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by cobrasq at 2013-11-02 02:00:29
Óà lsim() º¯ÊýÈçÏ£º

t=t0:h:t1;
(y,t) = lsim(sys, xs, t);

ÆäÖÐ t0, h, t1 È¡¾öÓÚÄãµÄÊäÈëÐźŵÄʱÐò¡£

¶Ô²»Æð£¬(y,t) Ó¦¸ÃÊÇ [y,t]
3Â¥2013-11-02 02:01:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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