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Beneficial Effect of Combining Similar Low-Cost Accelerometer to improve the overall Accuracy and Noise Density

Beneficial Effect of Combining Similar Low-Cost Accelerometer to improve the overall Accuracy and Noise Density
Autor(en): , , , ,
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Beitrag für IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022, veröffentlicht in , S. 1256-1263
DOI: 10.2749/nanjing.2022.1256
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Structural Health Monitoring applications are receiving more and more attention nowadays. The epidemic problem with these evaluations is their high cost. For applying them to structures/ infrastruc...
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Bibliografische Angaben

Autor(en): (Department of Civil and Environment Engineering, Universitat Politècnica de Catalunya, BarcelonaTech. C/ Jordi Girona 1-3, 08034, Barcelona, Spain)
(Department of Civil and Environment Engineering, Universitat Politècnica de Catalunya, BarcelonaTech. C/ Jordi Girona 1-3, 08034, Barcelona, Spain)
(Department of Civil Engineering, Universidad de Castilla-La Mancha. Av. Camilo Jose Cela s/n, Ciudad Real, 13071, Spain)
(Tunnel and Bridge Technologies, S.L., Calle Marqués de Mulhacén 11, 08034-Barcelona, Spain)
(1Department of Civil and Environment Engineering, Universitat Politècnica de Catalunya, BarcelonaTech. C/ Jordi Girona 1-3, 08034, Barcelona, Spain)
ORCID (Department of Civil and Environment Engineering, Universitat Politècnica de Catalunya, BarcelonaTech. C/ Jordi Girona 1-3, 08034, Barcelona, Spain)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022
Veröffentlicht in:
Seite(n): 1256-1263 Anzahl der Seiten (im PDF): 8
Seite(n): 1256-1263
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/nanjing.2022.1256
Abstrakt:

Structural Health Monitoring applications are receiving more and more attention nowadays. The epidemic problem with these evaluations is their high cost. For applying them to structures/ infrastructures with a low budget of SHM evaluations, low-cost sensors must be taken into account. However, low-cost accelerometers have higher noise density ratios which affect their accuracy and resolution. Using filters or post-processing methods alters the acquired information of the accelerometers. This article aims to enhance the accuracy and resolution of low-cost sensors by improving and controlling the spectral noise level through active noise improvement. This improvement is studied in this paper and supportive laboratory experiments have been illustrated.
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Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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