UAS Sensor Deployment and Retrieval to the Underside of Structures. Carroll, S., Kalaitzakis, M., & Vitzilaios, N. 2021.
doi  abstract   bibtex   
Unmanned Aircraft Systems (UAS, commonly known as aerial drones) are widely used for remote inspection and evaluation in Structural Health Monitoring (SHM) applications. While in most cases the drone is only equipped with a camera and collects images and videos, there is a high interest for structural evaluation that goes beyond visual inspection and provides information on the internal structure. For the latter, specialized sensors need to be used which in many cases need to be attached to the structure. This work presents a low-cost autonomous UAS for attaching and retrieving sensor packages to the underside of structures for SHM applications. Such a system can be used for nondestructive evaluation of structures by deploying sensors like accelerometers on bridges or tunnels. The proposed system is experimentally evaluated and is shown to be capable of the task utilizing only onboard systems and an artificial landmark with an operator to change between deployment and retrieval missions.
@CONFERENCE{Carroll2021895,
	author = {Carroll, Sabrina and Kalaitzakis, Michail and Vitzilaios, Nikolaos},
	title = {UAS Sensor Deployment and Retrieval to the Underside of Structures},
	year = {2021},
	journal = {2021 International Conference on Unmanned Aircraft Systems, ICUAS 2021},
	pages = {895 – 900},
	doi = {10.1109/ICUAS51884.2021.9476737},
	affiliations = {University of South Carolina, Department of Mechanical Engineering, Columbia, SC, United States},
	abstract = {Unmanned Aircraft Systems (UAS, commonly known as aerial drones) are widely used for remote inspection and evaluation in Structural Health Monitoring (SHM) applications. While in most cases the drone is only equipped with a camera and collects images and videos, there is a high interest for structural evaluation that goes beyond visual inspection and provides information on the internal structure. For the latter, specialized sensors need to be used which in many cases need to be attached to the structure. This work presents a low-cost autonomous UAS for attaching and retrieving sensor packages to the underside of structures for SHM applications. Such a system can be used for nondestructive evaluation of structures by deploying sensors like accelerometers on bridges or tunnels. The proposed system is experimentally evaluated and is shown to be capable of the task utilizing only onboard systems and an artificial landmark with an operator to change between deployment and retrieval missions.},
	keywords = {Antennas; Drones; Nondestructive examination; Artificial landmark; Internal structure; Non destructive evaluation; Sensor deployment; Structural evaluation; Structural health monitoring (SHM); Unmanned aircraft system; Visual inspection; Structural health monitoring},
	publisher = {Institute of Electrical and Electronics Engineers Inc.},
	isbn = {978-073813115-3},
	language = {English},
	abbrev_source_title = {Int. Conf. Unmanned Aircr. Syst., ICUAS},
	type = {Conference paper},
	publication_stage = {Final},
	source = {Scopus}
}

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