Generation of Gait Events with a FSR Based Cane Handle

Gait analysis has many applications, and specifically can improve the control of prosthesis, exoskeletons, or Functional Electrical Stimulation systems. The use of canes is common to complement the assistance in these cases, and the synergy between upper and lower limbs can be exploited to obtain in...

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Main Authors: Andrés Trujillo-León, Arturo de Guzmán-Manzano, Ramiro Velázquez, Fernando Vidal-Verdú
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/21/16/5632
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author Andrés Trujillo-León
Arturo de Guzmán-Manzano
Ramiro Velázquez
Fernando Vidal-Verdú
author_facet Andrés Trujillo-León
Arturo de Guzmán-Manzano
Ramiro Velázquez
Fernando Vidal-Verdú
author_sort Andrés Trujillo-León
collection DOAJ
description Gait analysis has many applications, and specifically can improve the control of prosthesis, exoskeletons, or Functional Electrical Stimulation systems. The use of canes is common to complement the assistance in these cases, and the synergy between upper and lower limbs can be exploited to obtain information about the gait. This is interesting especially in the case of unilateral assistance, for instance in the case of one side lower limb exoskeletons. If the cane is instrumented, it can hold sensors that otherwise should be attached to the body of the impaired user. This can ease the use of the assistive system in daily life as well as its acceptance. Moreover, Force Sensing Resistors (FSRs) are common in gait phase detection systems, and force sensors are also common in user intention detection. Therefore, a cane that incorporates FSRs on the handle can take advantage from the direct interface with the human and provide valuable information to implement real-time control. This is done in this paper, and the results confirm that many events are detected from variables derived from the readings of the FSRs that provide rich information about gait. However, a large inter-subject variability points to the need of tailored control systems.
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spelling doaj.art-be444d8f9f52439c916c768e326272012023-11-22T09:43:07ZengMDPI AGSensors1424-82202021-08-012116563210.3390/s21165632Generation of Gait Events with a FSR Based Cane HandleAndrés Trujillo-León0Arturo de Guzmán-Manzano1Ramiro Velázquez2Fernando Vidal-Verdú3Departamento de Electrónica, Universidad de Málaga, 29071 Málaga, SpainDepartamento de Electrónica, Universidad de Málaga, 29071 Málaga, SpainFacultad de Ingeniería, Universidad Panamericana, Aguascalientes 29020, MexicoDepartamento de Electrónica, Universidad de Málaga, 29071 Málaga, SpainGait analysis has many applications, and specifically can improve the control of prosthesis, exoskeletons, or Functional Electrical Stimulation systems. The use of canes is common to complement the assistance in these cases, and the synergy between upper and lower limbs can be exploited to obtain information about the gait. This is interesting especially in the case of unilateral assistance, for instance in the case of one side lower limb exoskeletons. If the cane is instrumented, it can hold sensors that otherwise should be attached to the body of the impaired user. This can ease the use of the assistive system in daily life as well as its acceptance. Moreover, Force Sensing Resistors (FSRs) are common in gait phase detection systems, and force sensors are also common in user intention detection. Therefore, a cane that incorporates FSRs on the handle can take advantage from the direct interface with the human and provide valuable information to implement real-time control. This is done in this paper, and the results confirm that many events are detected from variables derived from the readings of the FSRs that provide rich information about gait. However, a large inter-subject variability points to the need of tailored control systems.https://www.mdpi.com/1424-8220/21/16/5632gaitgait eventsgait monitoringFSR sensorsinstrumented caneassistive technology
spellingShingle Andrés Trujillo-León
Arturo de Guzmán-Manzano
Ramiro Velázquez
Fernando Vidal-Verdú
Generation of Gait Events with a FSR Based Cane Handle
Sensors
gait
gait events
gait monitoring
FSR sensors
instrumented cane
assistive technology
title Generation of Gait Events with a FSR Based Cane Handle
title_full Generation of Gait Events with a FSR Based Cane Handle
title_fullStr Generation of Gait Events with a FSR Based Cane Handle
title_full_unstemmed Generation of Gait Events with a FSR Based Cane Handle
title_short Generation of Gait Events with a FSR Based Cane Handle
title_sort generation of gait events with a fsr based cane handle
topic gait
gait events
gait monitoring
FSR sensors
instrumented cane
assistive technology
url https://www.mdpi.com/1424-8220/21/16/5632
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AT ramirovelazquez generationofgaiteventswithafsrbasedcanehandle
AT fernandovidalverdu generationofgaiteventswithafsrbasedcanehandle