CLC number: TP242.6
On-line Access: 2016-08-05
Received: 2015-09-04
Revision Accepted: 2016-01-13
Crosschecked: 2016-07-11
Cited: 0
Clicked: 7002
Wei Yang, Can-jun Yang, Ting Xu. Human hip joint center analysis for biomechanical design of a hip joint exoskeleton[J]. Frontiers of Information Technology & Electronic Engineering, 2016, 17(8): 792-802.
@article{title="Human hip joint center analysis for biomechanical design of a hip joint exoskeleton",
author="Wei Yang, Can-jun Yang, Ting Xu",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="17",
number="8",
pages="792-802",
year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1500286"
}
%0 Journal Article
%T Human hip joint center analysis for biomechanical design of a hip joint exoskeleton
%A Wei Yang
%A Can-jun Yang
%A Ting Xu
%J Frontiers of Information Technology & Electronic Engineering
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%N 8
%P 792-802
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%D 2016
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1500286
TY - JOUR
T1 - Human hip joint center analysis for biomechanical design of a hip joint exoskeleton
A1 - Wei Yang
A1 - Can-jun Yang
A1 - Ting Xu
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 17
IS - 8
SP - 792
EP - 802
%@ 2095-9184
Y1 - 2016
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1500286
Abstract: We propose a new method for the customized design of hip exoskeletons based on the optimization of the human-machine physical interface to improve user comfort. The approach is based on mechanisms designed to follow the natural trajectories of the human hip as the flexion angle varies during motion. The motions of the hip joint center with variation of the flexion angle were measured and the resulting trajectory was modeled. An exoskeleton mechanism capable to follow the hip center’s movement was designed to cover the full motion ranges of flexion and abduction angles, and was adopted in a lower extremity assistive exoskeleton. The resulting design can reduce human-machine interaction forces by 24.1% and 76.0% during hip flexion and abduction, respectively, leading to a more ergonomic and comfortable-to-wear exoskeleton system. The human-exoskeleton model was analyzed to further validate the decrease of the hip joint internal force during hip joint flexion or abduction by applying the resulting design.
The paper introduces a very nice idea, trying to match a mechanical arrangement to real data about anatomic hip joint center positions during walking. Data are collected correctly and explained thoroughly, together with the methodology.
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