On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing

Subhasish Mohanty; Jun Wei; Aditi Chattopadhyay; Pedro Peralta

doi:10.1115/SMASIS2009-1432

On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing

Subhasish Mohanty, Jun Wei, Aditi Chattopadhyay, Pedro Peralta

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper proposes an approach to estimate the fatigue-induced damage state of a metallic structure under biaxial cyclic load. An ultrasonic based technique for broadband active sensing is used. A novel damage index estimation technique based on dual sensor signals is developed that removes the contribution from high frequency input dependant noise. The scalar damage index at any particular damage condition is evaluated using a nonparametric system identification approach such as correlation analysis. The time series estimation of the damage indices (or damage states) shows good correlation with visual measurements of crack length. The time series 2σ error bound was also evaluated to study the effect of measurement noise on damage state estimation.

Original language	English (US)
Title of host publication	Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009
Pages	581-588
Number of pages	8
DOIs	https://doi.org/10.1115/SMASIS2009-1432
State	Published - Dec 1 2009
Event	2009 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS2009 - Oxnard, CA, United States Duration: Sep 21 2009 → Sep 23 2009

Publication series

Name	Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009
Volume	2

Other

Other	2009 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS2009
Country/Territory	United States
City	Oxnard, CA
Period	9/21/09 → 9/23/09

ASJC Scopus subject areas

Computational Mechanics
Mechanics of Materials

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10.1115/SMASIS2009-1432

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Mohanty, S., Wei, J., Chattopadhyay, A., & Peralta, P. (2009). On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing. In Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009 (pp. 581-588). (Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009; Vol. 2). https://doi.org/10.1115/SMASIS2009-1432

On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing. / Mohanty, Subhasish; Wei, Jun; Chattopadhyay, Aditi et al.
Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009. 2009. p. 581-588 (Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Mohanty, S, Wei, J, Chattopadhyay, A & Peralta, P 2009, On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing. in Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009. Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009, vol. 2, pp. 581-588, 2009 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS2009, Oxnard, CA, United States, 9/21/09. https://doi.org/10.1115/SMASIS2009-1432

Mohanty S, Wei J, Chattopadhyay A , Peralta P. On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing. In Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009. 2009. p. 581-588. (Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009). doi: 10.1115/SMASIS2009-1432

Mohanty, Subhasish ; Wei, Jun ; Chattopadhyay, Aditi et al. / On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing. Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009. 2009. pp. 581-588 (Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009).

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On-line time-series damage state estimation using correlation analysis and ultrasonic broadband active sensing

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