Active health monitoring of an aircraft wing with embedded piezoelectric sensor/actuator network: I. Defect detection, localization and growth monitoring

Xiaoliang Zhao, Huidong Gao, Guangfan Zhang, Bulent Ayhan, Fei Yan, Chiman Kwan, Joseph L. Rose

Research output: Contribution to journalArticle

487 Citations (Scopus)

Abstract

This work focuses on an ultrasonic guided wave structural health monitoring (SHM) system development for aircraft wing inspection. In part I of the study, a detailed description of a real aluminum wing specimen and some preliminary wave propagation tests on the wing panel are presented. Unfortunately, strong attenuation and scattering impede guided waves for large-area inspection. Nevertheless, small, low-cost and light-weight piezoelectric (PZT) discs were bonded to various parts of the aircraft wing, in a form of relatively sparse arrays, for simulated cracks and corrosion monitoring. The PZT discs take turns generating and receiving ultrasonic guided waves. Pair-wise through-transmission waveforms collected at normal conditions served as baselines, and subsequent signals collected at defected conditions such as rivet cracks or corrosion detected the presence of a defect and its location with a novel correlation analysis based technique called RAPID (reconstruction algorithm for probabilistic inspection of defects). The effectiveness of the algorithm was tested with several case studies in a laboratory environment. It showed good performance for defect detection, size estimation and localization in complex aircraft wing structures.

Original languageEnglish (US)
Article number032
Pages (from-to)1208-1217
Number of pages10
JournalSmart Materials and Structures
Volume16
Issue number4
DOIs
StatePublished - Aug 1 2007

Fingerprint

wings
aircraft
health
Actuators
actuators
Health
Guided electromagnetic wave propagation
inspection
Monitoring
sensors
defects
Sensors
Inspection
wing panels
Ultrasonic waves
corrosion
cracks
ultrasonics
rivets
structural health monitoring

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Civil and Structural Engineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering

Cite this

Zhao, Xiaoliang ; Gao, Huidong ; Zhang, Guangfan ; Ayhan, Bulent ; Yan, Fei ; Kwan, Chiman ; Rose, Joseph L. / Active health monitoring of an aircraft wing with embedded piezoelectric sensor/actuator network : I. Defect detection, localization and growth monitoring. In: Smart Materials and Structures. 2007 ; Vol. 16, No. 4. pp. 1208-1217.
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Active health monitoring of an aircraft wing with embedded piezoelectric sensor/actuator network : I. Defect detection, localization and growth monitoring. / Zhao, Xiaoliang; Gao, Huidong; Zhang, Guangfan; Ayhan, Bulent; Yan, Fei; Kwan, Chiman; Rose, Joseph L.

In: Smart Materials and Structures, Vol. 16, No. 4, 032, 01.08.2007, p. 1208-1217.

Research output: Contribution to journalArticle

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