Metrological traceability of a digital 3-axis MEMS accelerometers sensor network

نویسندگان

چکیده

Traceability of digital 3-axis MEMS accelerometer networks is often disregarded by manufacturers and end-users due to the lack suitable calibration procedures complexity in managing a large number sensitivities. To overcome these problems, two traceable independent systems methods using inclined planes have been recently developed national metrology institute laboratory at an uncertainty level 2 %. In this work, main transverse magnitude sensitivities 25 accelerometers, part sensor network prototype conceived for structural monitoring low-frequencies, are evaluated three low-frequencies laboratories. Comparison shows compatible results. Furthermore, method decreasing sensitivity data be managed also proposed. It shown that its can reduced preserving required traceability expense higher uncertainties up 4.5

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ژورنال

عنوان ژورنال: Measurement

سال: 2021

ISSN: ['1873-412X', '0263-2241']

DOI: https://doi.org/10.1016/j.measurement.2021.109925