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Proceedings Paper

Modeling and identification of the hysteretic dynamics of an MR actuator for its application to semiactive control of flexible structures
Author(s): Mauricio Zapateiro D.V.M.; Ellen Taylor; Shirley J. Dyke; Ningsu Luo
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Paper Abstract

This paper presents the results of modeling a shear-mode MR damper. The prototype damper consists of two steel parallel plates and in the middle, there is a paddle covered by foam saturated with MR fluid. The force is produced when the paddle is in motion and the magnetic field generated by a coil in one end of the device reaches the fluid. Several response forces were captured at different displacement excitations and magnetic field levels. The goal is to find a relationship between the velocity, the control voltage (inputs of the system) and the force generated by the device. The results of predicting the force using the Bingham, Bouc-Wen and Hyperbolic Tangent based models are compared and the suitability of these models is discussed.

Paper Details

Date Published: 18 April 2007
PDF: 10 pages
Proc. SPIE 6523, Modeling, Signal Processing, and Control for Smart Structures 2007, 65230J (18 April 2007); doi: 10.1117/12.715420
Show Author Affiliations
Mauricio Zapateiro D.V.M., Univ. of Girona (Spain)
Ellen Taylor, Washington Univ. in Saint Louis (United States)
Shirley J. Dyke, Washington Univ. in Saint Louis (United States)
Ningsu Luo, Univ. of Girona (Spain)

Published in SPIE Proceedings Vol. 6523:
Modeling, Signal Processing, and Control for Smart Structures 2007
Douglas K. Lindner, Editor(s)

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