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|Title:||Flexible optical fiber bending transducer for application in glove-based sensors|
Santos, Murilo Ferreira Marques dos
Suzuki, Carlos K.
|Abstract:||The development of a low-cost and flexible optical fiber transducer for measurement of angular displacements is reported. The light intensity attenuation due to fiber microbending losses is correlated to the variations in flexing angle, yielding to a sensitivity of 1.80°. The device was also mounted in a fabric glove to the monitoring of flexion and abduction movements of index and thumb fingers. Once calibrated by a simple procedure, the glove-based system was capable to measure the angular positions with average errors <;5° and 7° for interphalangeal and metacarpophalangeal joints, respectively. Additionally, the repeatability analysis resulted in average range and standard deviations of 8.06° and 3.45°, respectively. The optical fiber sensor provides a low-cost alternative to the real-time monitoring of hand posture, and can be suitable for applications in human-robot and human-computer interactions|
|Subject:||Tecnologia de fibra óptica|
|Editor:||Institute of Electrical and Electronics Engineers|
|Appears in Collections:||FEM - Artigos e Outros Documentos|
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