Fiber Optic Sensors for Structural Health Monitoring of Air PlatformsReport as inadecuate




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1

Microwave Photonics Research Laboratory, School of Information Technology and Engineering, University of Ottawa, Ottawa, ON K1N 6N5, Canada

2

Institute for Microstructural Sciences, National Research Council Canada, Ottawa, ON K1A 0R6, Canada

3

Air Vehicles Research Section, Defence R&D Canada, Department of National Defence, National Defence Headquarters, Ottawa, ON K1A 0K2, Canada





*

Authors to whom correspondence should be addressed.



Abstract Aircraft operators are faced with increasing requirements to extend the service life of air platforms beyond their designed life cycles, resulting in heavy maintenance and inspection burdens as well as economic pressure. Structural health monitoring SHM based on advanced sensor technology is potentially a cost-effective approach to meet operational requirements, and to reduce maintenance costs. Fiber optic sensor technology is being developed to provide existing and future aircrafts with SHM capability due to its unique superior characteristics. This review paper covers the aerospace SHM requirements and an overview of the fiber optic sensor technologies. In particular, fiber Bragg grating FBG sensor technology is evaluated as the most promising tool for load monitoring and damage detection, the two critical SHM aspects of air platforms. At last, recommendations on the implementation and integration of FBG sensors into an SHM system are provided. View Full-Text

Keywords: aircraft; damage detection; fiber Bragg grating; fiber optic acoustic sensor; load monitoring; structural health monitoring aircraft; damage detection; fiber Bragg grating; fiber optic acoustic sensor; load monitoring; structural health monitoring





Author: Honglei Guo 1, Gaozhi Xiao 2,* , Nezih Mrad 3,* and Jianping Yao 1

Source: http://mdpi.com/



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