An Unknown Input HOSM Approach to Estimate Lean and Steering Motorcycle Dynamics
Résumé
This paper deals with state estimation of Powered Single-Track vehicle and robust reconstruction of related unknown inputs. For this purpose, we consider an unknown input high order sliding mode observer (UIHOSMO). First, a motorcycle dynamic model is derived using Jourdain's principle. The strong observability of the obtained model is illustrated. Then, we consider both the observation of the PTW dynamic states and the reconstruction of the lean dynamics and the rider's torque applied on the handlebar. Finally, several simulation cases are provided to illustrate the efficiency of the observer.
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