Verification of the impact damage detection system for airframe structures using optical fiber sensors

Noriyoshi Hirano; Hiroaki Tsutsui; Junichi Kimoto; Takahiko Akatsuka; Hirofumi Sashikuma; Nobuo Takeda; Yasuhiro Koshioka

doi:10.1117/12.817499

7 April 2009 Verification of the impact damage detection system for airframe structures using optical fiber sensors

Noriyoshi Hirano, Hiroaki Tsutsui, Junichi Kimoto, Takahiko Akatsuka, Hirofumi Sashikuma, Nobuo Takeda, Yasuhiro Koshioka

Author Affiliations +

Proceedings Volume 7293, Smart Sensor Phenomena, Technology, Networks, and Systems 2009; 72930Q (2009) https://doi.org/10.1117/12.817499
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

The basic technologies of the impact damage detection system (IDDS) of composite structures were developed and demonstrated using a composite structure with embedded small-diameter optical fiber sensors by Authors in FY2002. In our current R&D, the IDDS consisting of composite structure with embedded optical fiber sensors and interrogation units is developed for practical airframe application. The system evaluation by using composite substructures and coupon specimens are planned to proceed towards product. As one of the foremost tasks for the application, it is important to evaluate the system whether having the probability of damage detection sufficiently or not. In this study, to evaluate the probability of detection of the system, the impact tests for barely visible impact damage (BVID) are conducted by using coupon specimens with being embedded small-diameter optical fibers. From the test result, reliability of the IDDS is evaluated.

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Noriyoshi Hirano, Hiroaki Tsutsui, Junichi Kimoto, Takahiko Akatsuka, Hirofumi Sashikuma, Nobuo Takeda, and Yasuhiro Koshioka "Verification of the impact damage detection system for airframe structures using optical fiber sensors", Proc. SPIE 7293, Smart Sensor Phenomena, Technology, Networks, and Systems 2009, 72930Q (7 April 2009); https://doi.org/10.1117/12.817499

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