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http://hdl.handle.net/10071/16402
acessibilidade
Title: Monitoring walker assistive devices: a novel approach based on load cells and optical distance measurements
Authors: Viegas, V.
Pereira, J. M. D.
Postolache, O.
Girão, P. S.
Keywords: Distance measurement
Force measurement
Gait analysis
Usage monitoring
Walker assistive device
Issue Date: 2018
Publisher: Multidisciplinary Digital Publishing Institute
Abstract: This paper presents a measurement system intended to monitor the usage of walker assistive devices. The goal is to guide the user in the correct use of the device in order to prevent risky situations and maximize comfort. Two risk indicators are defined: one related to force unbalance and the other related to motor incoordination. Force unbalance is measured by load cells attached to the walker legs, while motor incoordination is estimated by synchronizing force measurements with distance data provided by an optical sensor. The measurement system is equipped with a Bluetooth link that enables local supervision on a computer or tablet. Calibration and experimental results are included in the paper.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/16402
DOI: 10.3390/s18020540
ISSN: 1424-8220
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-46474
Accession number: WOS:000427544000223
Appears in Collections:IT-RI - Artigo em revista internacional com arbitragem científica

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