Development of an IoT Structural Monitoring System Applied to a Hypogeal Site

This paper describes the development of a distributed sensing system that can be disseminated in an environment of interest to monitor the vibration of a structure. This low-cost system consists of several sensor nodes and a central receiving node. All nodes are built using off-the-shelf electronic...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2020-11, Vol.20 (23), p.6769
Main Authors: De Angelis, Alessio, Santoni, Francesco, Carbone, Paolo, Cecconi, Manuela, Vecchietti, Alessia, Di Lorenzo, Francesco
Format: Article
Language:English
Subjects:
Accelerometers
Cultural heritage
Data transmission
Earthquakes
Electronic components
Emergency communications systems
Global positioning systems
GPS
Historic sites
Internet of Things
Internet-of-Things sensors
Letter
Microelectromechanical systems
Monitoring systems
Nodes
Receivers & amplifiers
Risk assessment
Seismic engineering
Sensors
sensors for cultural heritage monitoring
structural monitoring
Synchronism
Vibration
Vibration monitoring
vibration sensing
Wireless communications
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Summary:This paper describes the development of a distributed sensing system that can be disseminated in an environment of interest to monitor the vibration of a structure. This low-cost system consists of several sensor nodes and a central receiving node. All nodes are built using off-the-shelf electronic components. Each of the sensor nodes is battery-powered and equipped with a triaxial MEMS accelerometer, a wireless Long Range (LoRa) transceiver module for data transmission, a GPS module used for synchronization, and a microcontroller. The operation of the sensor node is validated by controlled laboratory tests where it is compared to a commercial reference accelerometer. Furthermore, the feasibility and potential benefits of the application of the proposed system to a structure in an archaeological site is investigated. Results show that the proposed sensor node could successfully monitor the vibration at several locations within the site. Therefore, it may be employed to detect the most relevant stresses to the structure, allowing for the identification of risks.
ISSN:1424-8220
1424-8220
DOI:10.3390/s20236769