有会的前辈可以帮我看下们,为啥解不出来,公式没问题,编程估计不对,刚刚学matlab
t=0:0.001:0.05;
rs=19*8.4667;
w=2;
ka=0.25;
km=2.5*1.0e8;
rp=33*8.4667;
E=10e-6;
a1=19/(1+(86/19))*t+pi/2-pi/9;
a2=19/(1+(86/19))*t+pi/2-pi/9+2*pi/3;
a3=19/(1+(86/19))*t+pi/2-pi/9+4*pi/3;
b1=19/(1+(86/19))*t+pi/2+pi/9;
b2=19/(1+(86/19))*t+pi/2+pi/9+2*pi/3;
b3=19/(1+(86/19))*t+pi/2+pi/9+4*pi/3;
syms x1 y1 x2 y2 fs1 fs2 fs3 fr1 fr2 fr3 v v1 v2 v3
S=solve([(fs1.*cos(a1)+fs2.*cos(a2)+fs3.*cos(a3))-2.*2.7530.*10^9.*x1==0,(fs1.*sin(a1)+fs2.*sin(a2)+fs3.*sin(a3))-2.*2.7530.*10^9.*y1==0,(fr1.*cos(b1)+fr2.*cos(b2)+fr3.*cos(b3))-2.*3.7061.*10^9.*x2==0,(fr1.*sin(b1)+fr2.*sin(b2)+fr3.*sin(b3))-2.*3.7061.*10^9.*y2==0,fs1==fr1,fs2==fr2,fs3==fr3,41379-rs.*(fs1+fs2+fs3)==0,fr1==km.*(1+ka.*cos(w.*t)).*(rp.*v1+E.*cos(w.*t)),fr2==km.*(1+ka.*cos(w.*t)).*(rp.*v2+E.*cos(w.*t)),fr3==km.*(1+ka.*cos(w.*t)).*(rp.*v3+E.*cos(w.*t)),fs1==km.*(1+ka.*cos(w.*t)).*(rs.*v-rp.*v1+E.*cos(w.*t)),fs2==km.*(1+ka.*cos(w.*t)).*(rs.*v-rp.*v2+E.*cos(w.*t)),fs3==km.*(1+ka.*cos(w.*t)).*(rs.*v-rp.*v3+E.*cos(w.*t))],[x1,y1,x2,y2,v,v1,v2,v3,fs1,fs2,fs3,fr1,fr2,fr3]);
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