MATLAB汽车动态仿真

用matlab对汽车进行动态仿真 分析动力性能 地盘悬架等简要分析

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%  Cornering Vehicle Dynamics Simulation
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%  Created by I.Chen and Y.Huang in 2015.
%  Copyright （c） 2015 All rights reserved.
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% Calculate Resistance
R_r_c = m_car*g*c_r;
R_a_c = 1/2*c_d*rho_a*A_f*u_c^2; 
R_total_c = R_r_c + R_a_c;

% Normal Load of Each Tire
F_n_1L_c = [（1/l*[m_car*g*l_b-l_h*（m_car*du+R_a_c）]）*l_d/2-m_car*dv*l_h]/l_d;
F_n_1R_c = [（1/l*[m_car*g*l_b-l_h*（m_car*du+R_a_c）]）*l_d/2+m_car*dv*l_h]/l_d; 
F_n_2L_c = [（1/l*[m_car*g*l_a+l_h*（m_car*du+R_a_c）]）*l_d/2-m_car*dv*l_h]/l_d; 
F_n_2R_c = [（1/l*[m_car*g*l_a+l_h*（m_car*du+R_a_c）]）*l_d/2+m_car*dv*l_h]/l_d; 

% Build Tire Slip vs Traction Table for each tire
List_itc_2L_c = （interp2（List_F_ntList_i_sTable_F_tcF_n_2L_cList_i_s））‘;
List_itc_2R_c = （interp2（List_F_ntList_i_sTable_F_tcF_n_2R_cList_i_s））‘; 

% Interpolate Resistance（Traction） to Find Tire Slip Ratio
i_s_2L_c = interp1（List_itc_2L_c（1:7）List_i_s（1:7）R_total_c/2）;
i_s_2R_c = interp1（List_itc_2R_c（1:7）List_i_s（1:7）R_total_c/2）;

% Calculate Traction
F_tc_2L_c = interp1（List_i_s（1:7）List_itc_2L_c（1:7）i_s_2L_c）; 
F_tc_2R_c = interp1（List_i_s（1:7）List_itc_2R_c（1:7）i_s_2R_c）; 



% Calculate Wheel Speed
W_w2L_c =  （u_c/r_w）/（1-i_s_2L_c）;
W_w2R_c =  （u_c/r_w）/（1-i_s_2R_c）;

% Calculate Input Speed
switch TD_type
    case 1 
        W_in_c = W_w2L_c;
    case 2
        W_in_c = （W_w2L_c+W_w2R_c）/2;
    case 3
        W_in_c = W_w2L_c*n_CVT_2L_c;
end

% Calculate Total Traction Force and Torque
F_totaltc_c = F_tc_2L_c+F_tc_2R_c; % total tractive effort
T_totaltc_c = F_totaltc_c*r_w; % total tractive torque

% System input Torque
T_in_c = T_totaltc_c;
T_in_c_initial=T_in_c;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-02-02 20:46  Vehicle_Dynamics-master\
     文件          70  2017-02-02 20:46  Vehicle_Dynamics-master\README.md
     文件        4938  2017-02-02 20:46  Vehicle_Dynamics-master\Slip.m
     文件        2336  2017-02-02 20:46  Vehicle_Dynamics-master\Slip_Dynamics.m
     文件        1180  2017-02-02 20:46  Vehicle_Dynamics-master\Slip_plot.m
     文件        3361  2017-02-02 20:46  Vehicle_Dynamics-master\VD_Main.m
     文件         303  2017-02-02 20:46  Vehicle_Dynamics-master\VD_next_step.m
     文件        5073  2017-02-02 20:46  Vehicle_Dynamics-master\VD_plot.m
     文件        2788  2017-02-02 20:46  Vehicle_Dynamics-master\VD_save_data.m
     文件         950  2017-02-02 20:46  Vehicle_Dynamics-master\VD_sim_record.m
     目录           0  2017-02-02 20:46  Vehicle_Dynamics-master\data\
     文件       13957  2017-02-02 20:46  Vehicle_Dynamics-master\data\Magic Formula-Lateral Force.fig
     文件       13560  2017-02-02 20:46  Vehicle_Dynamics-master\data\Magic Formula-Traction Force.fig
     文件        1613  2017-02-02 20:46  Vehicle_Dynamics-master\data\a_vs_lf.m
     文件        1521  2017-02-02 20:46  Vehicle_Dynamics-master\data\car_spec.m
     文件        1351  2017-02-02 20:46  Vehicle_Dynamics-master\data\i_vs_tc.m
     文件        3443  2017-02-02 20:46  Vehicle_Dynamics-master\data\magic_formula.m
     文件        1636  2017-02-02 20:46  Vehicle_Dynamics-master\p0_initial.m
     文件        1664  2017-02-02 20:46  Vehicle_Dynamics-master\p1_Driver.m
     文件        4765  2017-02-02 20:46  Vehicle_Dynamics-master\p2_Traction.m
     文件        2080  2017-02-02 20:46  Vehicle_Dynamics-master\p3_VD.m
     文件         278  2017-02-02 20:46  Vehicle_Dynamics-master\p4_Trajectory.m
     文件        3228  2017-02-02 20:46  Vehicle_Dynamics-master\parameter_list.txt