Control performances of a semi-active suspension using ER (electrorheological) fluids for a commercial vehicle seat are presented. A cylindrical ER seat damper is designed and manufactured by incorporating Bingham model of an arabic gum-based ER fluid. After evaluating field-dependent damping characteristics of the ER seat damper, a sliding mode controller is formulated to control the seat vibration due to external excitations. The controller is then experimentally realized and the controlled responses are presented in both time and frequency domains. In addition, a full-car-model consisting of primary, cabin and seat suspensions is established and the HILS (hardware-in-the-loop simulation) is undertaken to demonstrate that a practical feasibility of the proposed seat-suspension system showing ride comfort quality under various road conditions.
A semi-active suspension using ER fluids for a commerical vehicle seat
Journal of Intelligent Material Systems and Structures ; 9 , 8 ; 601-606
1998
6 Seiten, 6 Bilder, 1 Tabelle, 11 Quellen
Aufsatz (Zeitschrift)
Englisch
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