期刊
SENSORS
卷 11, 期 4, 页码 3687-3705出版社
MDPI AG
DOI: 10.3390/s110403687
关键词
aircraft; damage detection; fiber Bragg grating; fiber optic acoustic sensor; load monitoring; structural health monitoring
资金
- Canadian Institute for Photonics Innovations
- National Research Council Canada
- Defence Research and Development Canada of the Department of National Defence
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.
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