Interval uncertain analysis of active hydraulically interconnected suspension system

Publication Type:
Journal Article
Advances in Mechanical Engineering, 2016, 8 (5), pp. 1 - 14
Issue Date:
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© SAGE Publications Ltd. Uncertainty exists in many industry fields and needs to be dealt properly to avoid unexpected failure. This article proposes a new approach to deal with the uncertain problems encountered by the mathematical modeling of an active hydraulically interconnected suspension system. As the need for both riding comfort and the controllability is soaring nowadays, the traditional passive and semi-active suspension system could barely keep up with the pace, and the proposed active hydraulic system could be one of the solutions. In order to deal with the uncertain factors in the hydraulic system, an interval analysis method for the dynamic responses of nonlinear systems with uncertain-but-bounded parameters using Chebyshev polynomial series is introduced. The comparisons conducted in this article demonstrate the accuracy and computational efficiency of the proposed uncertain problem solver and reveal the influences of uncertain parameters in fluid and mechanical components on the dynamic responses of active hydraulically interconnected suspension.
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