An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait

This paper proposes a novel and an affordable lower limb prosthesis to enable normal gait kinematics for trans-femoral amputees. The paper details the design of a passive prosthesis with magneto-rheological (MR) damping system and electronic control. A new control approach based on plantar insole fe...

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Main Authors: Srinivas Pandit, Anoop Kant Godiyal, Amit Kumar Vimal, Upinderpal Singh, Deepak Joshi, Dinesh Kalyanasundaram
Format: Article
Language:English
Published: MDPI AG 2018-02-01
Series:Sensors
Subjects:
Online Access:http://www.mdpi.com/1424-8220/18/3/706
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author Srinivas Pandit
Anoop Kant Godiyal
Amit Kumar Vimal
Upinderpal Singh
Deepak Joshi
Dinesh Kalyanasundaram
author_facet Srinivas Pandit
Anoop Kant Godiyal
Amit Kumar Vimal
Upinderpal Singh
Deepak Joshi
Dinesh Kalyanasundaram
author_sort Srinivas Pandit
collection DOAJ
description This paper proposes a novel and an affordable lower limb prosthesis to enable normal gait kinematics for trans-femoral amputees. The paper details the design of a passive prosthesis with magneto-rheological (MR) damping system and electronic control. A new control approach based on plantar insole feedback was employed here. Strategically placed sensors on the plantar insole provide required information about gait cycle to a finite state controller for suitable action. A proportional integral (PI) based current controller controls the required current for necessary damping during gait. The prosthesis was designed and developed locally in India keeping in view the cost, functionality, socio-economic, and aesthetic requirements. The prototype was experimentally tested on a trans-femoral amputee and the results are presented in this work. The implementation of the proposed design and control scheme in the prototype successfully realizes the notion that normal gait kinematics can be achieved at a low cost comparable to passive prostheses. The incurring cost and power expenditure of the proposed prosthesis are evaluated against passive and active prostheses, respectively. The commercial implications for the prosthesis were explored on the basis of recommendations of ISPO Consensus Conference on Appropriate Prosthetic Technology in Developing Countries. The key objective of this work is to enable lucid design for development of an affordable prosthesis in a low-resource setting.
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spelling doaj.art-ae89c84e9fb14d7ea3567636d85de1422022-12-22T04:09:35ZengMDPI AGSensors1424-82202018-02-0118370610.3390/s18030706s18030706An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal GaitSrinivas Pandit0Anoop Kant Godiyal1Amit Kumar Vimal2Upinderpal Singh3Deepak Joshi4Dinesh Kalyanasundaram5Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, IndiaCentre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, IndiaCentre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, IndiaDepartment of Physical Medicine and Rehabilitation, All India Institute of Medical Sciences, New Delhi 110029, IndiaCentre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, IndiaCentre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, IndiaThis paper proposes a novel and an affordable lower limb prosthesis to enable normal gait kinematics for trans-femoral amputees. The paper details the design of a passive prosthesis with magneto-rheological (MR) damping system and electronic control. A new control approach based on plantar insole feedback was employed here. Strategically placed sensors on the plantar insole provide required information about gait cycle to a finite state controller for suitable action. A proportional integral (PI) based current controller controls the required current for necessary damping during gait. The prosthesis was designed and developed locally in India keeping in view the cost, functionality, socio-economic, and aesthetic requirements. The prototype was experimentally tested on a trans-femoral amputee and the results are presented in this work. The implementation of the proposed design and control scheme in the prototype successfully realizes the notion that normal gait kinematics can be achieved at a low cost comparable to passive prostheses. The incurring cost and power expenditure of the proposed prosthesis are evaluated against passive and active prostheses, respectively. The commercial implications for the prosthesis were explored on the basis of recommendations of ISPO Consensus Conference on Appropriate Prosthetic Technology in Developing Countries. The key objective of this work is to enable lucid design for development of an affordable prosthesis in a low-resource setting.http://www.mdpi.com/1424-8220/18/3/706lower limb prosthesistrans-femoral amputeeMR damperknee damping control
spellingShingle Srinivas Pandit
Anoop Kant Godiyal
Amit Kumar Vimal
Upinderpal Singh
Deepak Joshi
Dinesh Kalyanasundaram
An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait
Sensors
lower limb prosthesis
trans-femoral amputee
MR damper
knee damping control
title An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait
title_full An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait
title_fullStr An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait
title_full_unstemmed An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait
title_short An Affordable Insole-Sensor-Based Trans-Femoral Prosthesis for Normal Gait
title_sort affordable insole sensor based trans femoral prosthesis for normal gait
topic lower limb prosthesis
trans-femoral amputee
MR damper
knee damping control
url http://www.mdpi.com/1424-8220/18/3/706
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