Modeling and identification of the hysteretic dynamics of an MR actuator for its application to semiactive control of flexible structures

Mauricio Zapateiro D.V.M.; Ellen Taylor; Shirley J. Dyke; Ningsu Luo

doi:10.1117/12.715420

18 April 2007 Modeling and identification of the hysteretic dynamics of an MR actuator for its application to semiactive control of flexible structures

Mauricio Zapateiro D.V.M., Ellen Taylor, Shirley J. Dyke, Ningsu Luo

Author Affiliations +

Proceedings Volume 6523, Modeling, Signal Processing, and Control for Smart Structures 2007; 65230J (2007) https://doi.org/10.1117/12.715420
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States

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.

Citation Download Citation

Mauricio Zapateiro D.V.M., Ellen Taylor, Shirley J. Dyke, and Ningsu Luo "Modeling and identification of the hysteretic dynamics of an MR actuator for its application to semiactive control of flexible structures", Proc. SPIE 6523, Modeling, Signal Processing, and Control for Smart Structures 2007, 65230J (18 April 2007); https://doi.org/10.1117/12.715420

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