This work presents and demonstrates a passive isolation system that offers the performance of a skyhook damper, but without the need of an inertial reference. This “virtual skyhook” isolation system can be used to reduce the transmission of base excitations to a structure. An analysis of the concept is presented, and model predictions are compared to experimental measurements for a simple test structure. The results demonstrate that the proposed isolation system significantly attenuates transmissibility at resonance without the penalty of increased transmissibility at higher frequencies, which often limits the performance of passive approaches. Practical issues regarding the design and implementation of the virtual skyhook vibration isolation system are also presented and discussed. To the best of the authors’ knowledge, this is the first experimental demonstration of an entirely passive skyhook damper isolation system.
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January 2002
Technical Papers
Virtual Skyhook Vibration Isolation System
Steve Griffin, Research Engineer,,
Steve Griffin, Research Engineer,
4411 The 25 Way, Suite 350, Albuquerque, NM 87109
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Joel Gussy, Project Officer, Space Vehicles Directorate,,
Joel Gussy, Project Officer, Space Vehicles Directorate,
Air Force Research Laboratory, 3550 Aberdeen Road, Kirtland AFB, NM 87117
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Steven A. Lane, Research Aerospace Engineer, Mem. ASME,,
Steven A. Lane, Research Aerospace Engineer, Mem. ASME,
Air Force Research Laboratory
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Benjamin K. Henderson, Research Aerospace Engineer, Space Vehicles Directorate,
Benjamin K. Henderson, Research Aerospace Engineer, Space Vehicles Directorate
Air Force Research Laboratory, 3550 Aberdeen Road, Kirtland AFB, NM 87117
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Dino Sciulli, Aerospace Engineer, Space Vehicles Directorate
Dino Sciulli, Aerospace Engineer, Space Vehicles Directorate
Air Force Research Laboratory, 3550 Aberdeen Road, Kirtland AFB, NM 87117
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Steve Griffin, Research Engineer,
4411 The 25 Way, Suite 350, Albuquerque, NM 87109
Joel Gussy, Project Officer, Space Vehicles Directorate,
Air Force Research Laboratory, 3550 Aberdeen Road, Kirtland AFB, NM 87117
Steven A. Lane, Research Aerospace Engineer, Mem. ASME,
Air Force Research Laboratory
Benjamin K. Henderson, Research Aerospace Engineer, Space Vehicles Directorate
Air Force Research Laboratory, 3550 Aberdeen Road, Kirtland AFB, NM 87117
Dino Sciulli, Aerospace Engineer, Space Vehicles Directorate
Air Force Research Laboratory, 3550 Aberdeen Road, Kirtland AFB, NM 87117
Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received April 2000; Revised July 2001. Associate Editor: H. S. Tzou.
J. Vib. Acoust. Jan 2002, 124(1): 63-67 (5 pages)
Published Online: July 1, 2001
Article history
Received:
April 1, 2000
Revised:
July 1, 2001
Citation
Griffin, S., Gussy, J., Lane, S. A., Henderson, B. K., and Sciulli, D. (July 1, 2001). "Virtual Skyhook Vibration Isolation System ." ASME. J. Vib. Acoust. January 2002; 124(1): 63–67. https://doi.org/10.1115/1.1421353
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