用matlab绘制汽车的行驶加速度曲线

用matlab绘制汽车的行驶加速度曲线

n=600:10:4000;

Tq=+*(n/1000)*(n/1000).^2+*(n/1000).^*(n/1000).^4; m=3880;g=;

nmin=600;nmax=4000; G=m*g; ig=[ ]; nT=;r=;

f=;CDA=;i0=; L=;a=;hg=; If=;Iw1=;Iw2=;

Ft1=Tq*ig(1)*i0*nT/r; Ft2=Tq*ig(2)*i0*nT/r; Ft3=Tq*ig(3)*i0*nT/r; Ft4=Tq*ig(4)*i0*nT/r; Ft5=Tq*ig(5)*i0*nT/r; ua1=*r*n/ig(1)/i0; ua2=*r*n/ig(2)/i0; ua3=*r*n/ig(3)/i0; ua4=*r*n/ig(4)/i0; ua5=*r*n/ig(5)/i0; Fw1=CDA*ua1.^2/; Fw2=CDA*ua2.^2/; Fw3=CDA*ua3.^2/; Fw4=CDA*ua4.^2/; Fw5=CDA*ua5.^2/; Ff=G*f;

deta1=1+(Iw1+Iw2)/(m*r^2)+(If*ig(1)^2*i0^2*nT)/(m*r^2); deta2=1+(Iw1+Iw2)/(m*r^2)+(If*ig(2)^2*i0^2*nT)/(m*r^2); deta3=1+(Iw1+Iw2)/(m*r^2)+(If*ig(3)^2*i0^2*nT)/(m*r^2); deta4=1+(Iw1+Iw2)/(m*r^2)+(If*ig(4)^2*i0^2*nT)/(m*r^2); deta5=1+(Iw1+Iw2)/(m*r^2)+(If*ig(5)^2*i0^2*nT)/(m*r^2); a1=(Ft1-Ff-Fw1)/(deta1*m); a2=(Ft2-Ff-Fw2)/(deta2*m); a3=(Ft3-Ff-Fw3)/(deta3*m); a4=(Ft4-Ff-Fw4)/(deta4*m); a5=(Ft5-Ff-Fw5)/(deta5*m);

plot(ua1,a1,ua2,a2,ua3,a3,ua4,a4,ua5,a5); title('汽车的行驶加速度曲线'); xlabel('ua/(km*h^-1)'); ylabel('a/￡¨m*s^-2￡?');

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