ARMAX identification of vibrating structures

model and model order estimation

Marc Mignolet, John R. Red-Horse

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

26 Citations (Scopus)

Abstract

The determination of the model characteristics, number and values of natural frequencies, damping ratios, and mode shapes of a vibrating structure from records of its excitation and its response is investigated. First, a multistage eXogeneous Autoregressive Moving Average (ARMAX) procedure, recently employed in a single response measurement format is reviewed and extended to yield not only estimates of the natural frequencies and damping ratios but also of the mode shapes of a structure. The reliability of this technique, even in the presence of strong measurement noise, led to the introduction of a simple and efficient model order determination technique that relies on identification results obtained with different sets of data. Four examples of application are presented that demonstrate the reliability of the proposed model and model order estimation technique for both simulated and experimental data.

Original languageEnglish (US)
Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
PublisherAIAA
Pages1628-1637
Number of pages10
Volume3
StatePublished - 1994
EventProceedings of the 35th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Part 1 (of 5) - Hilton Head, SC, USA
Duration: Apr 18 1994Apr 20 1994

Other

OtherProceedings of the 35th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Part 1 (of 5)
CityHilton Head, SC, USA
Period4/18/944/20/94

Fingerprint

Model structures
Identification (control systems)
Natural frequencies
Damping

ASJC Scopus subject areas

  • Architecture

Cite this

Mignolet, M., & Red-Horse, J. R. (1994). ARMAX identification of vibrating structures: model and model order estimation. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (Vol. 3, pp. 1628-1637). AIAA.

ARMAX identification of vibrating structures : model and model order estimation. / Mignolet, Marc; Red-Horse, John R.

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 3 AIAA, 1994. p. 1628-1637.

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

Mignolet, M & Red-Horse, JR 1994, ARMAX identification of vibrating structures: model and model order estimation. in Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. vol. 3, AIAA, pp. 1628-1637, Proceedings of the 35th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Part 1 (of 5), Hilton Head, SC, USA, 4/18/94.
Mignolet M, Red-Horse JR. ARMAX identification of vibrating structures: model and model order estimation. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 3. AIAA. 1994. p. 1628-1637
Mignolet, Marc ; Red-Horse, John R. / ARMAX identification of vibrating structures : model and model order estimation. Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 3 AIAA, 1994. pp. 1628-1637
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