全油门起步加速性能试验

1、全油门起步加速性能试验：clcclearA=load('E:05251727.txt');B=load('E:05251441.txt');C=load('E:05251442.txt');D=load('E:05251444.txt');E=load('E:05251445.txt');F=load('E:05251726.txt');t=mean(A(end,4) B(end,4) . C(end,4) D(end,4) E(end,4) F(end,4)s=mean(A(end,3) B(en

2、d,3) . C(end,3) D(end,3) E(end,3) F(end,3) subplot(2,1,1);plot(A(:,4),A(:,2),'k')hold onplot(B(:,4),B(:,2),'k')hold onplot(C(:,4),C(:,2),'k')hold onplot(D(:,4),D(:,2),'k')hold onplot(E(:,4),E(:,2),'k')hold onplot(F(:,4),F(:,2),'k')title('起步连续换挡车速-加

3、速时间曲线图');axis(0 t 0 60); ylabel('车速v(km/h)');xlabel('时间t(s)');subplot(2,1,2);plot(A(:,3),A(:,2),'k')hold onplot(B(:,3),B(:,2),'k')hold onplot(C(:,3),C(:,2),'k')hold onplot(D(:,3),D(:,2),'k')hold onplot(E(:,3),E(:,2),'k')hold onplot(F(:,3),F

4、(:,2),'k')title('起步连续换挡车速-加速行程曲线图');axis(0 s 0 60); ylabel('车速v(km/h)');xlabel('距离s(m)');全油门超越加速性能试验：clcclearA=load('E:05251715.txt');B=load('E:05251716.txt');C=load('E:05251717.txt');D=load('E:05251718.txt');E=load('E:05251447.txt&

5、#39;);F=load('E:05251450.txt');t=mean(A(end,4) B(end,4) . C(end,4) D(end,4) E(end,4) F(end,4)s=mean(A(end,3) B(end,3) .C(end,3) D(end,3) E(end,3) F(end,3)subplot(2,1,1);plot(A(:,4),A(:,2),'k')hold onplot(B(:,4),B(:,2),'k')hold onplot(C(:,4),C(:,2),'k')hold onplot(D(:,

6、4),D(:,2),'k')hold onplot(E(:,4),E(:,2),'k')hold onplot(F(:,4),F(:,2),'k')title('直接挡-加速时间曲线图');axis(0 t 0 60); ylabel('车速v(km/h)');xlabel('时间t(s)'); subplot(2,1,2);plot(A(:,3),A(:,2),'k')hold onplot(B(:,3),B(:,2),'k')hold onplot(C(:,3),

7、C(:,2),'k')hold onplot(D(:,3),D(:,2),'k')hold onplot(E(:,3),E(:,2),'k')hold onplot(F(:,3),F(:,2),'k')title('直接挡-加速行程曲线图');axis(0 s 0 60); ylabel('车速v(km/h)');xlabel('距离s(m)');实验十：悬挂系统的固有频率和阻尼比测定实验clcclearA=load('E:2.txt'); subplot(1,2,1

8、);plot(A(:,1),A(:,2),'k')ylabel('簧上质量加速度');axis(9 12 -0.15 0.15);xlabel('t(s)');subplot(1,2,2);plot(A(:,1),A(:,3),'k')axis(9 12 -0.05 0.1);xlabel('t(s)');ylabel('簧下质量加速度');制动性能试验clcclearA=load('E:05251437.txt');B=load('E:05251723.txt');C=(A+B)./2; subplot(2,1,1);plot(A(:,4),C(:,2),'k')hold onplot(A(:,4),A(:,2),'r-')hold onplot(A(:,4),B(:,2),'r-') title('制动速度特性曲线图');ylabel('车速v(km/h)');xlabel('时间t(s)'); subplot(2,1,2);plot(A(:,4),C(:,3),'k')hold onplot(A(: