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새로운 무릎보조 외골격 메커니즘(ACE-Knee) 개념설계 및 인체 무릎 운동분석을 통한 설계 요구조건분석

ACE-Knee, a Novel Modularized Knee Exoskeleton: Concept Design and Analysis of Design Requirements by Knee Motion Analysis

Journal of the Korean Society for Precision Engineering 2019;36(4):373-381.
Published online: April 1, 2019

1 국방과학연구소 제5기술연구본부

1 The 5th R&D Institute, Agency for Defense Development

#E-mail: manbok.hong@gmail.com, TEL: +82-42-821-2070
• Received: August 31, 2018   • Revised: November 15, 2018   • Accepted: November 19, 2018

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Static and Dynamic Friction Characteristics Analysis of Actuation Module for Friction Compensation of Exoskeleton Robot
    Byoung Ju Lee, Gwang Tae Kim, Hong Cheol Kim, Young June Shin
    Journal of the Korean Society for Precision Engineering.2019; 36(10): 929.     CrossRef

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ACE-Knee, a Novel Modularized Knee Exoskeleton: Concept Design and Analysis of Design Requirements by Knee Motion Analysis
J. Korean Soc. Precis. Eng.. 2019;36(4):373-381.   Published online April 1, 2019
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ACE-Knee, a Novel Modularized Knee Exoskeleton: Concept Design and Analysis of Design Requirements by Knee Motion Analysis
J. Korean Soc. Precis. Eng.. 2019;36(4):373-381.   Published online April 1, 2019
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ACE-Knee, a Novel Modularized Knee Exoskeleton: Concept Design and Analysis of Design Requirements by Knee Motion Analysis
Image Image Image Image Image Image Image Image Image Image
Fig. 1 Overall structure of the proposed ACE-Knee exoskeleton
Fig. 2 Concept design of the proposed knee exoskeleton
Fig. 3 Kinematic structure of the 3-DOF passive hip joint
Fig. 4 Kinematic structure of the knee joint driving mechanism
Fig. 5 Mode of operation of the proposed ACE-Knee exoskeleton
Fig. 6 Body measurement data of twelve subjects participated in the gait experiments
Fig. 7 Torque and angle variations of human knee joint during the level walking experiment (walking with 30 kg of backpack load and 6 km/hr of walking speed)
Fig. 8 Torque and angle variations of human knee joint during ascending (a) and descending (b) stairs with 30 kg of the backpack load. Torque and GRF data were normalized by the subject’s weight. In the figure, black solid line denotes the mean value of the twelve subjects, and the shaded area represents ±1 standard deviation
Fig. 9 The estimation of knee quasi-stiffness of twelve subjects during walking with 30kg of backpack load and 6km/hr of walking speed
Fig. 10 The estimation of knee quasi-stiffness of twelve subjects during descending stairs with 30 kg of backpack load
ACE-Knee, a Novel Modularized Knee Exoskeleton: Concept Design and Analysis of Design Requirements by Knee Motion Analysis

Quasi-stiffness of human knee joint

Quasi-stiffness (Nm/kg.deg)
Level walking
(load: 30 kg, speed: 6 km/hr)
RF 0.1119
PE 0.05786
Descending stairs
(load: 30 kg, step height: 18 cm)
WB 0.06744
WT 0.02607
Table 1 Quasi-stiffness of human knee joint