This paper discusses the possibility of assessing vehicle stability by means of unconventional graphical methodologies and defining a region of stability of the vehicle, using only yaw rate, lateral acceleration and sideslip rate. The three-dimensional β-r-β˙ phase surface is investigated, relating trajectories in the r-β˙ plane to their β values. The r-β˙ phase plane is investigated for different tyre models and tyre-road friction conditions. A new stability region is proposed.
Investigating Alternative Phase Planes for Assessing Vehicle Stability
Righetti G.;Lot R.;Lenzo B.
2024
Abstract
This paper discusses the possibility of assessing vehicle stability by means of unconventional graphical methodologies and defining a region of stability of the vehicle, using only yaw rate, lateral acceleration and sideslip rate. The three-dimensional β-r-β˙ phase surface is investigated, relating trajectories in the r-β˙ plane to their β values. The r-β˙ phase plane is investigated for different tyre models and tyre-road friction conditions. A new stability region is proposed.
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