Estimation of Vehicle Longitudinal Tire Force with FOSMO & SOSMO

In this paper, we propose two SM observer to estimate the longitudinal tire forces (Fx) using only wheel angular positions measurement. The robust estimations are based on First and Second Order Sliding Mode Observer (FOSMO, SOSMO). The estimation performance is tested and validated using a car driving simulator SCANeR -Studio (www.oktal.fr). The simulation results show effectiveness and robustness of the proposed method.

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