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Proceedings Paper

Modeling and control of an ER long-stroke vibration damper
Author(s): David J. Peel; Roger Stanway; William A. Bullough
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Paper Abstract

Electrically-structured (ES) fluids offer a potentially elegant means of introducing greater flexibility into a range of industrial machines and structures, and are especially suited to controllable vibration damping. The authors have developed a technique for characterizing ES fluids, leading to a mathematical model and practical device design procedure, the principles of which are verified by testing with an industrial scale, long-stroke electro- rheological damper, suited to the needs of a rail vehicle lateral suspension. In this paper, the model is applied to predict the effect on the test damper steady state performance, and performance envelope, of the principle variables of operating temperature, mechanical displacement amplitude and frequency, and control field excitation, which influence the controllability and control requirements of the damper, and to show that the test damper should achieve the desired range of control.

Paper Details

Date Published: 27 July 1998
PDF: 12 pages
Proc. SPIE 3329, Smart Structures and Materials 1998: Smart Structures and Integrated Systems, (27 July 1998); doi: 10.1117/12.316911
Show Author Affiliations
David J. Peel, Univ. of Sheffield (United Kingdom)
Roger Stanway, Univ. of Sheffield (United Kingdom)
William A. Bullough, Univ. of Sheffield (United Kingdom)


Published in SPIE Proceedings Vol. 3329:
Smart Structures and Materials 1998: Smart Structures and Integrated Systems
Mark E. Regelbrugge, Editor(s)

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