Title: Active suspension system of a one-wheel car model using fuzzy reasoning and compensators

Authors: T. Yoshimura, T. Hiwa, M. Kurimoto, J. Hino

Addresses: Department of Mechanical Engineering, Faculty of Engineering, The University of Tokushima, Minamijosanjima-cho 2, Tokushima 770-8506, Japan. Department of Mechanical Engineering, Faculty of Engineering, The University of Tokushima, Minamijosanjima-cho 2, Tokushima 770-8506, Japan. Department of Mechanical Engineering, Faculty of Engineering, The University of Tokushima, Minamijosanjima-cho 2, Tokushima 770-8506, Japan. Department of Mechanical Engineering, Faculty of Engineering, The University of Tokushima, Minamijosanjima-cho 2, Tokushima 770-8506, Japan

Abstract: This paper is concerned with the construction of an active suspension for a one-wheel car model by using fuzzy reasoning. The experimental model is approximately described by a nonlinear system with two degrees of freedom subject to excitation from a road profile. The active control at the suspension location is designed by using fuzzy reasoning based on single input rule modules, and it is constructed by actuating a pneumatic actuator with dead time. The performance degradation of the active suspension system due to the dead time of the pneumatic actuator is improved by inserting two kinds of compensators. The experimental result shows that the active suspension system with the compensators more improves the control performance than that without compensator.

Keywords: one-wheel car model; active suspension; fuzzy reasoning single input rule modules; pneumatic actuator; compensator.

DOI: 10.1504/IJVAS.2003.003540

International Journal of Vehicle Autonomous Systems, 2003 Vol.1 No.2, pp.196 - 205

Available online: 18 Sep 2003 *

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