汽车驱动力与行驶阻力平衡图在Matlab中的程序-新建 Microsoft Word 文档 (2).doc

汽车驱动力与行驶阻力平衡图在Matlab中的程序-新建 Microsoft Word 文档 .doc
%轻型货车有关参数
n_min=600;n_max=4000;
m1=2000;m0=1800;m=3880;
r=0.367;
eT=0.85;
f=0.013;
CDA=2.77;
i0=5.83;
If=0.218;Iw1=1.798;Iw2=3.598;
ig=[6.09 3.09 1.71 1.00];
L=3.2;
a=1.947;
b=L-a;
hg=0.9;
g=9.8;

n=;
N=n./1000;
Tq=-19.313 295.27.*N-165.44.*N.^2 40.874.*N.^3-3.8445.*N.^4;

Ft1=Tq.*ig.*i0.*eT./r;
Ft2=Tq.*ig.*i0.*eT./r;
Ft3=Tq.*ig.*i0.*eT./r;
Ft4=Tq.*ig.*i0.*eT./r;

s=2*pi*r*0.001;
Ua1=n./ig./i0.*60.*s;
Ua2=n./ig./i0.*60.*s;
Ua3=n./ig./i0.*60.*s;
Ua4=n./ig./i0.*60.*s;

Ff=m*g*f;
ua=;
Fw=CDA.*ua.^2./21.15;
F=Ff Fw;

plot,grid 新建 Microsoft Word 文档 .doc