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1、.word格式,1.3.1驱动力阻力平衡图m1=2000;m2=1800;m=3880;r0=0.367;gt=0.85;f=0.013;CDA=2.77;i0=5.83;If=0.218;Iw1=1.798;Iw2=3.598;Ig4=[6.093.091.711.00];fori=1:3401;n(i)=i+599;Tq(i)=-19.313+295.27*n(i)./1000-165.44*(n(i)/1000).^2+40.874*(n(i)/1000).^3-3.8445*(n(i)/1000).^4;endfori=1:3401;forj=1:4;Ft(i,
2、j)=Tq(i)*i0*Ig4(j)*gt/r0;ua(i,j)=0.377*r0*n(i)./Ig4(j)/i0;F(i,j)=f*m*9.8+CDA*ua(i,j).^2/21.15;endendplot(ua,Ft,ua,F)xlabel('ua/(km/h)');ylabel('F/N')title('汽车驱动力-行驶阻力平衡图');gtext('Ft1')gtext('Ft2')gtext('Ft3')gtext('Ft4')gtext('Ff+Fw')gridonaxis(0,120,0,14000),专业.专注..word格式,1.3.3加速度倒数曲线m1
3、=2000;m2=1800;m=3880;r0=0.367;gt=0.85;f=0.013;CDA=2.77;i0=5.83;If=0.218;Iw1=1.798;Iw2=3.598;Ig4=[6.093.091.711.00];q=1.128;fori=1:3401;n(i)=i+599;Tq(i)=-19.313+295.27*n(i)./1000-165.44*(n(i)/1000).^2+40.874*(n(i)/1000).^3-3.8445*(n(i)/1000).^4;endfori=1:3401;forj=1:4;Ft(i,j)=Tq(i)*i0*Ig4
4、(j)*gt/r0;ua(i,j)=0.377*r0*n(i)./Ig4(j)/i0;F(i,j)=f*m*9.8+CDA*ua(i,j).^2/21.15;b(i,j)=q*m/(Ft(i,j)-0.131*ua(i,j)^2-9.8*m*f);%加速度倒数%endendplot(ua,b);xlabel('ua/(km/h)');ylabel('1/a/(s^2/m)');title('加速度倒数曲线')gtext('1/a1');gtext('1/a2');gtext('1/a3');gtext('1/a4');gridon;axis([0,50,0,5]),专业
5、.专注..word格式,2.7功率平衡曲线m1=2000;m2=1800;m=3880;r0=0.367;gt=0.85;f=0.013;CDA=2.77;i0=5.83;If=0.218;Iw1=1.798;Iw2=3.598;Ig4=[6.093.091.711.00];fori=1:3401;n(i)=i+599;Tq(i)=-19.313+295.27*n(i)/1000-165.44*(n(i)/1000)^2+40.874*(n(i)/1000)^3-3.8445*(n(i)/1000)^4;endfori=1:3401;forj=1:4;Ft(i,j)=T
6、q(i)*i0*Ig4(j)*gt/r0;ua(i,j)=0.377*r0*n(i)./(Ig4(j)*i0);Pe(i,j)=Ft(i,j)*ua(i,j)/3600;%PeEXPRESSION%c(i,j)=7.647*ua(i,j)/1000+3.638*ua(i,j)^3/100000;%(Pf+Pw)/gtEXPRESSION%end;end;plot(ua,Pe,ua,c);,专业.专注..word格式,xlabel('ua/(km/h)');ylabel('Pe/kW');title('功率平衡图');gtext('Pe1');gtext('Pe2');g
7、text('Pe3');gtext('Pe4');gtext('P阻力');gridon;axis([0,90,0,20]);最高档等速百公里油耗曲线i0=5.83;r=0.367;t=0.85;m=3880;G=38024;f=0.013;CdA=2.77;pg=7.12;ig3=1.71;ig4=1;n=[8151207161420122603300634033804];B0=[1326.81354.71284.41122.91141.01051.21233.91129.7];B1=[-416.46-303.98-189.75-121
