Publicação
Biaxial optical accelerometer and high-angle inclinometer with temperature and cross-axis insensitivity
| Resumo: | In this paper, we describe the implementation and test of an optical fiber biaxial accelerometer and inclinometer based on fiber Bragg gratings. The proposed sensor is a low cost and simple solution to measure acceleration and relative rotation in two orthogonal directions, which can be used for structural health monitoring. Sensitivities of 87.848 and 92.351 pm.g−1, for each sensitive direction with resonant frequencies of 846.01 and 845.33 Hz, respectively, are achieved. For the inclinometer, the tilt sensitivities are 1.43 ± 0.03 and 1.38 ± 0.03 pm/º for each orthogonal sensitive direction for angular rotations smaller than 45º. For inclinations higher than 45º, a suitable calibration expression is presented. |
|---|---|
| Autores principais: | Antunes, P. |
| Outros Autores: | Marques, C.; Varum, H.; André, P. |
| Assunto: | Accelerometer Fiber Bragg grating Inclinometer Optical sensor Structural health monitoring |
| Ano: | 2012 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Universidade de Aveiro |
| Idioma: | inglês |
| Origem: | RIA - Repositório Institucional da Universidade de Aveiro |
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Atividades financiadas
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