The objective of this paper is to test and model a single-degree-of-freedom vibration isolation system with a magnetorheological (MR) foam damper under harmonic and random excitations. The results of this research are valuable for understanding the characteristics of the MR foam damper and include the experimental design and results of vibration mitigations for frequency ranges up to . Transmissibility and acceleration hysteresis experiments of the MR foam damper system with different levels of input current are discussed. A simple damper design that eliminates many of the constraints normally associated with fluid filled devices is presented. Constitutive equations of the Bouc–Wen model are used to validate and characterize the MR foam damper. The motion characteristics of the MR foam damper are studied. Experimental results reveal that the mechanical behavior of the MR foam damper is nonlinear and that the field-dependent behavior of MR foam damper is associated with the applied frequency and acceleration amplitude. Experiments demonstrate MR foam damper works well in controlling vibrations and can be controlled and tuned for specific applications.
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e-mail: nsarigulklijn@ucdavis.edu
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April 2007
Technical Papers
Vibration Mitigation Using Passive Active Tunable (PAT) System: Experimental Aspects
N. Sarigul-Klijn,
N. Sarigul-Klijn
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
e-mail: nsarigulklijn@ucdavis.edu
University of California
, Davis, CA 95616-5294
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I. Lopez,
I. Lopez
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294
Search for other works by this author on:
M. Sarigul-Klijn,
M. Sarigul-Klijn
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294
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D. Karnopp
D. Karnopp
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294
Search for other works by this author on:
N. Sarigul-Klijn
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294e-mail: nsarigulklijn@ucdavis.edu
I. Lopez
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294
M. Sarigul-Klijn
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294
D. Karnopp
Department of Mechanical and Aeronautical Engineering, Transportation Noise Control Center (TNCC),
University of California
, Davis, CA 95616-5294J. Vib. Acoust. Apr 2007, 129(2): 209-216 (8 pages)
Published Online: October 23, 2006
Article history
Received:
August 30, 2005
Revised:
October 23, 2006
Citation
Sarigul-Klijn, N., Lopez, I., Sarigul-Klijn, M., and Karnopp, D. (October 23, 2006). "Vibration Mitigation Using Passive Active Tunable (PAT) System: Experimental Aspects." ASME. J. Vib. Acoust. April 2007; 129(2): 209–216. https://doi.org/10.1115/1.2424977
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