Journal
SENSORS
Volume 21, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/s21020648
Keywords
low-cost SHM; MEMS accelerometers; myRIO platform; non-destructive testing
Funding
- Junta de Castilla y Leon - European Union through the European Regional Development Fund [VA095P17, VA228P20, RTI2018-098425]
- Spanish Government
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This paper presents the design, development, and testing of a low-cost Structural Health Monitoring (SHM) system based on MEMS triaxial accelerometers, validated by comparing data with a conventional SHM system. The proposed system is found to be sufficiently accurate, sensitive, and significantly more affordable than the traditional one.
This paper presents the design, development and testing of a low-cost Structural Health Monitoring (SHM) system based on MEMS (Micro Electro-Mechanical Systems) triaxial accelerometers. A new control system composed by a myRIO platform, managed by specific LabVIEW software, has been developed. The LabVIEW software also computes the frequency response functions for the subsequent modal analysis. The proposed SHM system was validated by comparing the data measured by this set-up with a conventional SHM system based on piezoelectric accelerometers. After carrying out some validation tests, a high correlation can be appreciated in the behavior of both systems, being possible to conclude that the proposed system is sufficiently accurate and sensitive for operative purposes, apart from being significantly more affordable than the traditional one.
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