04 Steering And Turning Vehicles - Department of Mechanical ...

Change rear ‘lateral stiffness’ (i.e., the cornering stiffness values of tires)
In this case, the rear lateral
stiffness was cut in half.
R factor = −33814.
V c = 18.2 m/s
Let (since vehicle is now
unstable for V > Vc)
V = 1.2* V c =21.8
After the pulse disturbance,
the vehicle does not stabilize.
ME 360/390 – Prof. R.G. Longoria
Vehicle System Dynamics and Control
50
0
-50
Lateral Velocity
-100
0 5 10 15
100
50
0
-50
Position
0 100 200
15
10
5
Yaw Velocity
0
0 5 10 15
15
10
5
Yaw
0
0 5 10 15
Used: simple_bicycle.m
Department of Mechanical Engineering
The University of Texas at Austin