Force reconstruction using force gauges and accelerometers

Wesley Axtell, Tyler Patrick Dare

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Methods of inferring excitation forces from measured accelerometer data have received significant attention in recent years. This paper attempts to combine these techniques with the addition of force gauges to determine excitation forces on a vibrating structure. A mathematical algorithm was derived and applied to experimental data where a known impact force was applied to a plate mounted through force gauges. This experiment was used both to validate the mathematical algorithm and to investigate its limitations. The results show that the applied force for a fixed structure can be reconstructed better than force gauges alone using a combination of force gauge data and free boundary condition modal analysis.

Original languageEnglish (US)
Title of host publicationTopics in Modal Analysis
EditorsMichael Mains
PublisherSpringer New York LLC
Pages117-123
Number of pages7
ISBN (Print)9783319302485
DOIs
StatePublished - Jan 1 2016
Event34th IMAC, A Conference and Exposition on Structural Dynamics, 2016 - Orlando, United States
Duration: Jan 25 2016Jan 28 2016

Publication series

NameConference Proceedings of the Society for Experimental Mechanics Series
Volume10
ISSN (Print)2191-5644
ISSN (Electronic)2191-5652

Other

Other34th IMAC, A Conference and Exposition on Structural Dynamics, 2016
CountryUnited States
CityOrlando
Period1/25/161/28/16

Fingerprint

Accelerometers
Gages
Modal analysis
Boundary conditions
Experiments

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Computational Mechanics
  • Mechanical Engineering

Cite this

Axtell, W., & Dare, T. P. (2016). Force reconstruction using force gauges and accelerometers. In M. Mains (Ed.), Topics in Modal Analysis (pp. 117-123). (Conference Proceedings of the Society for Experimental Mechanics Series; Vol. 10). Springer New York LLC. https://doi.org/10.1007/978-3-319-30249-2_9
Axtell, Wesley ; Dare, Tyler Patrick. / Force reconstruction using force gauges and accelerometers. Topics in Modal Analysis. editor / Michael Mains. Springer New York LLC, 2016. pp. 117-123 (Conference Proceedings of the Society for Experimental Mechanics Series).
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Axtell, W & Dare, TP 2016, Force reconstruction using force gauges and accelerometers. in M Mains (ed.), Topics in Modal Analysis. Conference Proceedings of the Society for Experimental Mechanics Series, vol. 10, Springer New York LLC, pp. 117-123, 34th IMAC, A Conference and Exposition on Structural Dynamics, 2016, Orlando, United States, 1/25/16. https://doi.org/10.1007/978-3-319-30249-2_9

Force reconstruction using force gauges and accelerometers. / Axtell, Wesley; Dare, Tyler Patrick.

Topics in Modal Analysis. ed. / Michael Mains. Springer New York LLC, 2016. p. 117-123 (Conference Proceedings of the Society for Experimental Mechanics Series; Vol. 10).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Methods of inferring excitation forces from measured accelerometer data have received significant attention in recent years. This paper attempts to combine these techniques with the addition of force gauges to determine excitation forces on a vibrating structure. A mathematical algorithm was derived and applied to experimental data where a known impact force was applied to a plate mounted through force gauges. This experiment was used both to validate the mathematical algorithm and to investigate its limitations. The results show that the applied force for a fixed structure can be reconstructed better than force gauges alone using a combination of force gauge data and free boundary condition modal analysis.

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Axtell W, Dare TP. Force reconstruction using force gauges and accelerometers. In Mains M, editor, Topics in Modal Analysis. Springer New York LLC. 2016. p. 117-123. (Conference Proceedings of the Society for Experimental Mechanics Series). https://doi.org/10.1007/978-3-319-30249-2_9