Optimal partitioning of ultrasonic data for fatigue damage detection

Dheeraj Sharan Singh, Soumik Sarkar, Shalabh Gupta, Asok Ray

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

Abstract

This paper presents an analytical tool for online fatigue damage detection in polycrystalline alloys that are commonly used in mechanical structures. The underlying theory is built upon symbolic dynamic filtering (SDF) that optimally partitions time series data for feature extraction and pattern classification. The proposed method has been experimentally validated on a fatigue test apparatus that is equipped with ultrasonics sensors and a traveling optical microscope for fatigue damage detection.

Original languageEnglish (US)
Title of host publicationProceedings of the 2011 American Control Conference, ACC 2011
Pages798-803
Number of pages6
StatePublished - Sep 29 2011
Event2011 American Control Conference, ACC 2011 - San Francisco, CA, United States
Duration: Jun 29 2011Jul 1 2011

Publication series

NameProceedings of the American Control Conference
ISSN (Print)0743-1619

Other

Other2011 American Control Conference, ACC 2011
CountryUnited States
CitySan Francisco, CA
Period6/29/117/1/11

Fingerprint

Damage detection
Fatigue damage
Ultrasonics
Ultrasonic sensors
Pattern recognition
Feature extraction
Time series
Microscopes
Fatigue of materials

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Singh, D. S., Sarkar, S., Gupta, S., & Ray, A. (2011). Optimal partitioning of ultrasonic data for fatigue damage detection. In Proceedings of the 2011 American Control Conference, ACC 2011 (pp. 798-803). [5991263] (Proceedings of the American Control Conference).
Singh, Dheeraj Sharan ; Sarkar, Soumik ; Gupta, Shalabh ; Ray, Asok. / Optimal partitioning of ultrasonic data for fatigue damage detection. Proceedings of the 2011 American Control Conference, ACC 2011. 2011. pp. 798-803 (Proceedings of the American Control Conference).
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Singh, DS, Sarkar, S, Gupta, S & Ray, A 2011, Optimal partitioning of ultrasonic data for fatigue damage detection. in Proceedings of the 2011 American Control Conference, ACC 2011., 5991263, Proceedings of the American Control Conference, pp. 798-803, 2011 American Control Conference, ACC 2011, San Francisco, CA, United States, 6/29/11.

Optimal partitioning of ultrasonic data for fatigue damage detection. / Singh, Dheeraj Sharan; Sarkar, Soumik; Gupta, Shalabh; Ray, Asok.

Proceedings of the 2011 American Control Conference, ACC 2011. 2011. p. 798-803 5991263 (Proceedings of the American Control Conference).

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

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Singh DS, Sarkar S, Gupta S, Ray A. Optimal partitioning of ultrasonic data for fatigue damage detection. In Proceedings of the 2011 American Control Conference, ACC 2011. 2011. p. 798-803. 5991263. (Proceedings of the American Control Conference).