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Article

Development of a Low-Cost System for the Accurate Measurement of Structural Vibrations

1
Department of Civil and Environment Engineering, Universitat Politècnica de Catalunya, BarcelonaTech. C/Jordi Girona 1-3, 08034 Barcelona, Spain
2
Department of Civil Engineering, Universidad de Castilla-La Mancha, Av. Camilo Jose Cela s/n, 13071 Ciudad Real, Spain
3
Department of Bridge Engineering, Tongji University, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
Academic Editors: Rafal Burdzik, Minvydas Ragulskis, Maosen Cao, Radosław Zimroz, Chaari Fakher and Łukasz Konieczny
Sensors 2021, 21(18), 6191; https://doi.org/10.3390/s21186191
Received: 4 August 2021 / Revised: 29 August 2021 / Accepted: 13 September 2021 / Published: 15 September 2021
Nowadays, engineers are widely using accelerometers to record the vibration of structures for structural verification purposes. The main obstacle for using these data acquisition systems is their high cost, which limits its use to unique structures with a relatively high structural health monitoring budget. In this paper, a Cost Hyper-Efficient Arduino Product (CHEAP) has been developed to accurately measure structural accelerations. CHEAP is a system that is composed of five low-cost accelerometers that are connected to an Arduino microcontroller as their data acquisition system. Test results show that CHEAP not only has a significantly lower price (14 times cheaper in the worst-case scenario) compared with other systems used for comparison but also shows better accuracy on low frequencies for low acceleration amplitudes. Moreover, the final output results of Fast Fourier Transformation (FFT) assessments showed a better observable resolution for CHEAP than the studied control systems. View Full-Text
Keywords: arduino; structural health monitoring (SHM); Internet of Things (IoT); accelerometer; low-cost sensors arduino; structural health monitoring (SHM); Internet of Things (IoT); accelerometer; low-cost sensors
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MDPI and ACS Style

Komarizadehasl, S.; Mobaraki, B.; Ma, H.; Lozano-Galant, J.-A.; Turmo, J. Development of a Low-Cost System for the Accurate Measurement of Structural Vibrations. Sensors 2021, 21, 6191. https://doi.org/10.3390/s21186191

AMA Style

Komarizadehasl S, Mobaraki B, Ma H, Lozano-Galant J-A, Turmo J. Development of a Low-Cost System for the Accurate Measurement of Structural Vibrations. Sensors. 2021; 21(18):6191. https://doi.org/10.3390/s21186191

Chicago/Turabian Style

Komarizadehasl, Seyedmilad, Behnam Mobaraki, Haiying Ma, Jose-Antonio Lozano-Galant, and Jose Turmo. 2021. "Development of a Low-Cost System for the Accurate Measurement of Structural Vibrations" Sensors 21, no. 18: 6191. https://doi.org/10.3390/s21186191

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