列车运行过程仿真建模及MATLAB代码实现

%E5%88%97%E8%BD%A6%E8%BF%90%E8%A1%8C%E5%8F%82%E6%95%B0 distance_AB%20%3D%205144.7%3B%20%25%20%E7%AB%99%E5%8F%B0A%E5%88%B0%E7%AB%99%E5%8F%B0B%E7%9A%84%E8%B7%9D%E7%A6%BB%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9Am v_max%20%3D%20100%20*%201000%20/%203600%3B%20%25%20%E8%BF%90%E8%A1%8C%E9%80%9F%E5%BA%A6%E4%B8%8A%E9%99%90%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9Am/s mass%20%3D%20176.3%20*%201000%3B%20%25%20%E5%88%97%E8%BD%A6%E8%B4%A8%E9%87%8F%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9Akg inertia_factor%20%3D%201.08%3B%20%25%20%E6%97%8B%E8%BD%AC%E9%83%A8%E4%BB%B6%E6%8C%AF%E6%80%A7%E7%9A%84%E6%97%8B%E8%BD%AC%E8%B4%A8%E9%87%8F%E5%9B%A0%E6%95%B0 traction_force_max%20%3D%20310%20*%201000%3B%20%25%20%E6%9C%80%E5%A4%A7%E6%8B%89%E5%BC%95%E5%8A%9B%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9AN braking_force_max%20%3D%20760%20*%201000%3B%20%25%20%E6%9C%80%E5%A4%A7%E5%88%B6%E5%8A%A8%E5%8A%9B%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9AN

%20%E9%98%8C%E5%8A%9B%E6%96%B9%E7%A8%8B resistance%20%3D%20%40(v)%202.0895%20+%200.0098v%20+%200.006v^2%3B%20%25%20%E9%98%8C%E5%8A%9B%E6%96%B9%E7%A8%8B%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9AN

%20%E6%A8%A1%E6%93%AC%E5%8F%82%E6%95%B0 dt%20%3D%200.01%3B%20%25%20%E6%97%B6%E9%97%B4%E6%AD%A5%E9%95%BF%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9As t_total%20%3D%20600%3B%20%25%20%E6%80%BB%E6%A8%A1%E6%93%AC%E6%97%B6%E9%97%B4%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9As

%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%8F%98%E9%87%8F v%20%3D%20zeros(1%2C%20t_total/dt)%3B%20%25%20%E5%88%97%E8%BD%A6%E9%80%9F%E5%BA%A6%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9Am/s x%20%3D%20zeros(1%2C%20t_total/dt)%3B%20%25%20%E5%88%97%E8%BD%A6%E4%BD%8D%E7%A7%BB%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9Am t%20%3D%200:dt:t_total-dt%3B%20%25%20%E6%97%B6%E9%97%B4%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9As traction_force%20%3D%20zeros(1%2C%20t_total/dt)%3B%20%25%20%E6%8B%89%E5%BC%95%E5%8A%9B%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9AN braking_force%20%3D%20zeros(1%2C%20t_total/dt)%3B%20%25%20%E5%88%B6%E5%8A%A8%E5%8A%9B%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9AN energy_consumption%20%3D%20zeros(1%2C%20t_total/dt)%3B%20%25%20%E8%83%BD%E9%87%8F%E6%B6%88%E8%80%9C%EF%BC%8C%E5%8D%95%E4%BD%8D%EF%BC%9AJ

%20%E6%A8%A1%E6%93%AC%E5%88%97%E8%BD%A6%E8%BF%90%E8%A1%8C%E8%BF%87%E7%A8%8B for%20i%20%3D%201:length(t) %20%E6%8B%89%E5%BC%95%E5%8A%9B%E4%B8%8E%E5%88%B6%E5%8A%A8%E5%8A%9B%E7%9A%84%E8%AE%A1%E7%AE%97 if%20x(i)%20%3C%20distance_AB traction_force(i)%20%3D%20min(traction_force_max%2C%20mass%20*%20v(i)%20/%20dt)%3B else braking_force(i)%20%3D%20min(braking_force_max%2C%20mass%20*%20v(i)%20/%20dt)%3B end

%20%E9%98%8C%E5%8A%9B%E4%B8%8E%E6%8C%AF%E6%80%A7%E5%8A%9B%E7%9A%84%E8%AE%A1%E7%AE%97
resistance_force%20%3D%20resistance(v(i))%3B
inertia_force%20%3D%20inertia_factor%20*%20mass%20*%20v(i)%20/%20dt%3B

%20%E5%8A%A0%E9%80%9F%E5%BA%A6%E7%9A%84%E8%AE%A1%E7%AE%97
acceleration%20%3D%20(traction_force(i)%20-%20resistance_force%20-%20inertia_force)%20/%20mass%3B

%20%E9%80%9F%E5%BA%A6%E4%B8%8E%E4%BD%8D%E7%A7%BB%E7%9A%84%E6%9B%B4%E6%96%B0
v(i+1)%20%3D%20v(i)%20+%20acceleration%20*%20dt%3B
x(i+1)%20%3D%20x(i)%20+%20v(i)%20*%20dt%3B

%20%E8%83%BD%E9%87%8F%E6%B6%88%E8%80%9C%E7%9A%84%E8%AE%A1%E7%AE%97
energy_consumption(i)%20%3D%20energy_consumption(i)%20+%20traction_force(i)%20*%20v(i)%20*%20dt%3B

end

%20%E7%BB%98%E5%88%B6%E9%80%9F%E5%BA%A6-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF figure%3B plot(x%2C%20v)%3B xlabel('%E8%B7%9D%E7%A6%BB%20(m)')%3B ylabel('%E9%80%9F%E5%BA%A6%20(m/s)')%3B title('%E5%88%97%E8%BD%A6%E9%80%9F%E5%BA%A6-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF')%3B

%20%E7%BB%98%E5%88%B6%E6%8B%89%E5%BC%95%E5%88%B6%E5%8A%A8%E5%8A%9B-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF figure%3B plot(x%2C%20traction_force%2C%20'r'%2C%20x%2C%20-braking_force%2C%20'b')%3B xlabel('%E8%B7%9D%E7%A6%BB%20(m)')%3B ylabel('%E5%8A%9B%20(N)')%3B legend('%E6%8B%89%E5%BC%95%E5%8A%9B'%2C%20'%E5%88%B6%E5%8A%A8%E5%8A%9B')%3B title('%E5%88%97%E8%BD%A6%E6%8B%89%E5%BC%95%E5%88%B6%E5%8A%A8%E5%8A%9B-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF')%3B

%20%E7%BB%98%E5%88%B6%E6%97%B6%E9%97%B4-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF figure%3B plot(x%2C%20t)%3B xlabel('%E8%B7%9D%E7%A6%BB%20(m)')%3B ylabel('%E6%97%B6%E9%97%B4%20(s)')%3B title('%E5%88%97%E8%BD%A6%E6%97%B6%E9%97%B4-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF')%3B

%20%E7%BB%98%E5%88%B6%E8%83%BD%E9%87%8F%E6%B6%88%E8%80%9C-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF figure%3B plot(x%2C%20energy_consumption)%3B xlabel('%E8%B7%9D%E7%A6%BB%20(m)')%3B ylabel('%E8%83%BD%E9%87%8F%E6%B6%88%E8%80%9C%20(J)')%3B title('%E5%88%97%E8%BD%A6%E8%83%BD%E9%87%8F%E6%B6%88%E8%80%9C-%E8%B7%9D%E7%A6%BB%E6%9B%B2%E7%BA%BF')%3B