Moment robust fuzzy observer-based control for improving driving stability
by M. Chadli, A. El Hajjaji
International Journal of Vehicle Autonomous Systems (IJVAS), Vol. 5, No. 3/4, 2007

Abstract: In this paper, the moment robust active control of vehicle lateral dynamics is studied when the road adhesion conditions change and the sideslip angle is unavailable for measurement. A model of cornering forces based on Takagi-Sugeno (T-S) fuzzy model is developed and used to represent non-linear lateral dynamic of the vehicle. Next, a robust T-S controller-based observer is designed. To take account of the variation of tyre slip angles, the case of membership functions depending on state variables is also considered. The numerical simulation indicates that considerable improvements in the vehicle handling can be achieved with the proposed T-S observer-based controller.

Online publication date: Fri, 28-Dec-2007

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