Six-degree-of-freedom three-wheeled-vehicle model validation

Abstract

A spatial six-degree-of-freedom mathematical model of a three-wheeled vehicle used in Asian countries is developed. The governing equations are derived and integrated explicitly without linearization to yield a large displacement model that can be used for parametric studies. The model includes suspension model, tyre compliance, lateral force due to cornering stiffness, and rolling resistance at the tyre. The model is validated against vertical accelerations measured when passing over a road bump. The lateral steady state response is validated through a steady state circular test procedure.

Keywords

three-wheeled vehicle road bump magic formula Euler angles steady state circular test wheel lift-off model validation

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