A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance

This paper addressed attention to the design of a new lower limb exoskeleton that can be used for human gait assistance as based on kinematic considerations. The designed leg exoskeleton had on its own structure a combination of three mechanism types, namely a Chebyshev mechanism, a pantograph, and...

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Main Authors: Cristian Copilusi, Marco Ceccarelli, Sorin Dumitru, Ionut Geonea, Alexandru Margine, Dorin Popescu
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:Machines
Subjects:
Online Access:https://www.mdpi.com/2075-1702/11/10/925
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author Cristian Copilusi
Marco Ceccarelli
Sorin Dumitru
Ionut Geonea
Alexandru Margine
Dorin Popescu
author_facet Cristian Copilusi
Marco Ceccarelli
Sorin Dumitru
Ionut Geonea
Alexandru Margine
Dorin Popescu
author_sort Cristian Copilusi
collection DOAJ
description This paper addressed attention to the design of a new lower limb exoskeleton that can be used for human gait assistance as based on kinematic considerations. The designed leg exoskeleton had on its own structure a combination of three mechanism types, namely a Chebyshev mechanism, a pantograph, and a Stephenson six-bar mechanism. The design core focused on inserting the Stephenson six-bar bar mechanism in order to obtain an imposed motion at the ankle joint level. Numerical simulations of the designed lower limb exoskeleton have been developed and the obtained results demonstrate the engineering feasibility of the proposed prototype, with a characterization of satisfactory operation performance.
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spelling doaj.art-4a0f2527103e40949512ad70dca3cf8e2023-11-19T17:08:10ZengMDPI AGMachines2075-17022023-09-01111092510.3390/machines11100925A Novel Exoskeleton Design and Numerical Characterization for Human Gait AssistanceCristian Copilusi0Marco Ceccarelli1Sorin Dumitru2Ionut Geonea3Alexandru Margine4Dorin Popescu5Applied Mechanics and Civil Engineering Department, Faculty of Mechanics, University of Craiova, 200512 Craiova, RomaniaApplied Mechanics Department, University of Rome Tor Vergata, 00133 Rome, ItalyApplied Mechanics and Civil Engineering Department, Faculty of Mechanics, University of Craiova, 200512 Craiova, RomaniaApplied Mechanics and Civil Engineering Department, Faculty of Mechanics, University of Craiova, 200512 Craiova, RomaniaApplied Mechanics and Civil Engineering Department, Faculty of Mechanics, University of Craiova, 200512 Craiova, RomaniaAutomation, Electronics and Mechatronics Department, Faculty of Automation, Computers and Electronics, University of Craiova, 200440 Craiova, RomaniaThis paper addressed attention to the design of a new lower limb exoskeleton that can be used for human gait assistance as based on kinematic considerations. The designed leg exoskeleton had on its own structure a combination of three mechanism types, namely a Chebyshev mechanism, a pantograph, and a Stephenson six-bar mechanism. The design core focused on inserting the Stephenson six-bar bar mechanism in order to obtain an imposed motion at the ankle joint level. Numerical simulations of the designed lower limb exoskeleton have been developed and the obtained results demonstrate the engineering feasibility of the proposed prototype, with a characterization of satisfactory operation performance.https://www.mdpi.com/2075-1702/11/10/925exoskeletonswalking assistancemechanism designsimulationsix-bar mechanismkinematics
spellingShingle Cristian Copilusi
Marco Ceccarelli
Sorin Dumitru
Ionut Geonea
Alexandru Margine
Dorin Popescu
A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance
Machines
exoskeletons
walking assistance
mechanism design
simulation
six-bar mechanism
kinematics
title A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance
title_full A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance
title_fullStr A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance
title_full_unstemmed A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance
title_short A Novel Exoskeleton Design and Numerical Characterization for Human Gait Assistance
title_sort novel exoskeleton design and numerical characterization for human gait assistance
topic exoskeletons
walking assistance
mechanism design
simulation
six-bar mechanism
kinematics
url https://www.mdpi.com/2075-1702/11/10/925
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