generate model for car steering in matlab

main.m
% Vehicle parameters
wheelbase = 2.5;      % Wheelbase in meters
mass = 1200;          % Mass of the vehicle in kg
tire_stiffness = 150; % Tire stiffness in N/rad
steering_ratio = 15;  % Steering ratio of the vehicle

% Steering input
t = linspace(0,10,100);
steering_angle = 0.1*ones(size(t)); % Step input of steering angle

% Mathematical model
num = tire_stiffness*wheelbase;
den = [mass*wheelbase^2, tire_stiffness*wheelbase, 0];
sys = tf(num,den);

% Simulink model
sim_model = 'car_steering';
open_system(sim_model);

set_param(sim_model, 'StopTime', num2str(t(end)));

% Input
in = Simulink.Signal;
in.Name = 'steering_input';
in.dimensions = 1;

% Output
out = Simulink.Signal;
out.Name = 'vehicle_heading';
out.dimensions = 1;

% Adding blocks to the model
add_block('simulink/Sources/In1', [sim_model '/steering_input']);
add_block('simulink/Continuous/Transfer Fcn', [sim_model '/vehicle_model']);
add_block('simulink/Sinks/Out1', [sim_model '/vehicle_heading']);

% Connecting the blocks
add_line(sim_model, 'steering_input/1', 'vehicle_model/1');
add_line(sim_model, 'vehicle_model/1', 'vehicle_heading/1');

% Parameterizing the blocks
set_param([sim_model '/vehicle_model'], 'Numerator', num2str(num));
set_param([sim_model '/vehicle_model'], 'Denominator', num2str(den));
set_param([sim_model '/steering_input'], 'SignalType', 'Step');
set_param([sim_model '/steering_input'], 'Time', 't');
set_param([sim_model '/steering_input'], 'StepAmplitude', 'steering_angle');

% Simulation
sim(sim_model);
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