Weight-assisted exoskeleton knee joint plunger cylinder control optimization

In order to solve the problem of large jitter in the knee joint during the squatting process of the self-developed weight-assisted exoskeleton system, the AMESim-based knee plunger cylinder simulation model was established, the causes of jitter were analyzed from the simulation perspective, and the...

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Main Authors: Taokang Xiao, Yong Zhang, Ligang Qiang, Lin Li, Chao Guo
Format: Article
Language:English
Published: Elsevier 2022-01-01
Series:Journal of King Saud University: Engineering Sciences
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1018363921001707
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author Taokang Xiao
Yong Zhang
Ligang Qiang
Lin Li
Chao Guo
author_facet Taokang Xiao
Yong Zhang
Ligang Qiang
Lin Li
Chao Guo
author_sort Taokang Xiao
collection DOAJ
description In order to solve the problem of large jitter in the knee joint during the squatting process of the self-developed weight-assisted exoskeleton system, the AMESim-based knee plunger cylinder simulation model was established, the causes of jitter were analyzed from the simulation perspective, and the control strategy of the knee plunger cylinder was optimized and simulated. The results show that the optimized control strategy can realize the squatting motion of the exoskeleton system smoothly, and the test verification was carried out on the prototype. The results show that the optimized control strategy can better realize the human–machine flexibility of the exoskeleton squatting process, solve the problem of large jitter, and provide technical support for the realization of the exoskeleton movement down the stairs.
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spelling doaj.art-4b3aa3b743cd46febb68411aac7e6df32022-12-21T19:32:58ZengElsevierJournal of King Saud University: Engineering Sciences1018-36392022-01-013411016Weight-assisted exoskeleton knee joint plunger cylinder control optimizationTaokang Xiao0Yong Zhang1Ligang Qiang2Lin Li3Chao Guo4Corresponding author.; Aerospace Jiangnan Group Co. Ltd, Guizhou 550009, ChinaAerospace Jiangnan Group Co. Ltd, Guizhou 550009, ChinaAerospace Jiangnan Group Co. Ltd, Guizhou 550009, ChinaAerospace Jiangnan Group Co. Ltd, Guizhou 550009, ChinaAerospace Jiangnan Group Co. Ltd, Guizhou 550009, ChinaIn order to solve the problem of large jitter in the knee joint during the squatting process of the self-developed weight-assisted exoskeleton system, the AMESim-based knee plunger cylinder simulation model was established, the causes of jitter were analyzed from the simulation perspective, and the control strategy of the knee plunger cylinder was optimized and simulated. The results show that the optimized control strategy can realize the squatting motion of the exoskeleton system smoothly, and the test verification was carried out on the prototype. The results show that the optimized control strategy can better realize the human–machine flexibility of the exoskeleton squatting process, solve the problem of large jitter, and provide technical support for the realization of the exoskeleton movement down the stairs.http://www.sciencedirect.com/science/article/pii/S1018363921001707ExoskeletonAMESimControl
spellingShingle Taokang Xiao
Yong Zhang
Ligang Qiang
Lin Li
Chao Guo
Weight-assisted exoskeleton knee joint plunger cylinder control optimization
Journal of King Saud University: Engineering Sciences
Exoskeleton
AMESim
Control
title Weight-assisted exoskeleton knee joint plunger cylinder control optimization
title_full Weight-assisted exoskeleton knee joint plunger cylinder control optimization
title_fullStr Weight-assisted exoskeleton knee joint plunger cylinder control optimization
title_full_unstemmed Weight-assisted exoskeleton knee joint plunger cylinder control optimization
title_short Weight-assisted exoskeleton knee joint plunger cylinder control optimization
title_sort weight assisted exoskeleton knee joint plunger cylinder control optimization
topic Exoskeleton
AMESim
Control
url http://www.sciencedirect.com/science/article/pii/S1018363921001707
work_keys_str_mv AT taokangxiao weightassistedexoskeletonkneejointplungercylindercontroloptimization
AT yongzhang weightassistedexoskeletonkneejointplungercylindercontroloptimization
AT ligangqiang weightassistedexoskeletonkneejointplungercylindercontroloptimization
AT linli weightassistedexoskeletonkneejointplungercylindercontroloptimization
AT chaoguo weightassistedexoskeletonkneejointplungercylindercontroloptimization