Journal
IEEE SENSORS JOURNAL
Volume 19, Issue 21, Pages 9782-9789Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2019.2927456
Keywords
Optical fiber sensors; Optical fibers; Biomedical optical imaging; Sensor phenomena and characterization; Fiber optic macro-bend; biofeedback tool; gait monitoring; optical fiber sensor
Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
- Financiadora de Inovacao e Pesquisa (FINEP)
- Fundacao Araucaria
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This paper shows the development of a prospective portable optical sensor to monitor the human gait. The device is based on an intensity coded fiber optic macro-bend force sensor specially designed to be adapted in insoles. Sensor interrogation is made by the CCD camera of a smartphone, exploiting the functionalities of this kind of device. The sensor device fabrication is described with details. Tests carried out with the sensor have shown its capability of providing information about spatial and temporal parameters of the gait as well as ground reaction forces on heels.
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