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Open AccessCommunication
Appl. Sci. 2017, 7(1), 15; doi:10.3390/app7010015

Impedance-Based Non-Destructive Testing Method Combined with Unmanned Aerial Vehicle for Structural Health Monitoring of Civil Infrastructures

1
Future Strategy & Convergence Research Institute, Korea Institute of Civil Engineering & Building Technology, Gyeonggi-Do 10223, Korea
2
Highway & Transportation Research Institute, Korea Institute of Civil Engineering & Building Technology, Gyeonggi-Do 10223, Korea
*
Author to whom correspondence should be addressed.
Academic Editors: Gangbing Song, Chuji Wang and Bo Wang
Received: 15 November 2016 / Revised: 13 December 2016 / Accepted: 20 December 2016 / Published: 22 December 2016
(This article belongs to the Special Issue Structural Health Monitoring (SHM) of Civil Structures)
View Full-Text   |   Download PDF [2684 KB, uploaded 22 December 2016]   |  

Abstract

Unmanned aerial vehicles (UAVs), commonly known as drones, are a rising topic in remote sensing technologies for structural health monitoring. With technology advancement in cameras, the visual inspection method using drones is gaining much attention in the field of civil engineering. However, although visual inspection methods are feasible for finding cracks in structures, the limitations of image processing for finding internal damage or small defects cannot be ignored. To overcome this problem, a possible application concept of UAV, combined with a vibration-based non-destructive health monitoring method, is proposed. The idea is for the drone to temporarily attach the piezoelectric transducer onto a specific region where excitation and data acquisition occurs simultaneously. This eliminates the need for a structure to be covered with hundreds of sensors for monitoring, as this concept uses a single piezoelectric transducer for monitoring a structure. The proposed work offers new areas of research by converging UAV with a vibration-based method, as associated problems are required to be solved. View Full-Text
Keywords: unmanned aerial vehicle (UAV); drone; structural health monitoring (SHM); piezoelectric transducer; non-destructive testing unmanned aerial vehicle (UAV); drone; structural health monitoring (SHM); piezoelectric transducer; non-destructive testing
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Na, W.S.; Baek, J. Impedance-Based Non-Destructive Testing Method Combined with Unmanned Aerial Vehicle for Structural Health Monitoring of Civil Infrastructures. Appl. Sci. 2017, 7, 15.

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