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마비 환자의 손 근력 보조 및 Pinch 동작이 가능한 휴대용 핸드외 골격 로봇 개발

Development of Portable Hand Exoskeleton Robot Capable of Hand Muscle Strength Assist and Pinch Operation of Paralyzed Patients

Journal of the Korean Society for Precision Engineering 2019;36(12):1147-1156.
Published online: December 1, 2019

1 한양대학교 대학원 메카트로닉스공학과

2 한양대학교 로봇공학과

3 한양대학교 융합시스템학과

1 Department of Mechatronics Engineering, Graduate School, Hanyang University

2 Department of Robotics Engineering, Hanyang University

3 Department of Interdisciplinary Engineering Systems, Hanyang University

#E-mail: cshan@hanyang.ac.kr, TEL: +82-31-400-5247
• Received: July 24, 2019   • Revised: September 4, 2019   • Accepted: September 11, 2019

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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  • Design for Additive Manufacturing of Agricultural Strength Assisting Exoskeleton Suit
    Kwanhyung Park, Haeyong Yun, Yongjun Cho, Hyunggil Hong, Sunho Jang, Minsu Kang, Jaehyo Kim, Hochan Kim
    Journal of the Korean Society of Manufacturing Process Engineers.2022; 21(12): 69.     CrossRef

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Development of Portable Hand Exoskeleton Robot Capable of Hand Muscle Strength Assist and Pinch Operation of Paralyzed Patients
J. Korean Soc. Precis. Eng.. 2019;36(12):1147-1156.   Published online December 1, 2019
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Development of Portable Hand Exoskeleton Robot Capable of Hand Muscle Strength Assist and Pinch Operation of Paralyzed Patients
J. Korean Soc. Precis. Eng.. 2019;36(12):1147-1156.   Published online December 1, 2019
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Development of Portable Hand Exoskeleton Robot Capable of Hand Muscle Strength Assist and Pinch Operation of Paralyzed Patients
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Radial palmar grasp and inferior pincer grasp of human finger movements of classification
Fig. 2 Human hand joint configuration and bone structure of phalanx and metacarpal
Fig. 3 Flexion / Extension / Hyperextension / Abduction / Adduction movement of thumb and index finger
Fig. 4 Workspace simulation result of the index finger and shows the area of index finger ROM
Fig. 5 Classification of the hand gripping operation aimed at ReH2 and it is characterized by enabling the pinch operation11
Fig. 6 Robot ReH2 is the joint type scheme for executing the hand movements shown in Fig. 4
Fig. 7 Joint and tendon mechanism structure of ReH2 Robot for hand muscle assistance of thumb
Fig. 8 The bone structure of PIP joint is cam-shaped, and the length of phalanx varies when the index finger is rotated
Fig. 9 The bone structure of PIP joint is cam-shaped, and the length of phalanx varies when the index finger is rotate
Fig. 10 Description of the entire system of ReH2. In the control part, the position of the servomotor, MCU, batter can be checked
Fig. 11 Produced to ReH2 Robot and worn and total weight of the ReH2 Robot is approximately 3 kg
Fig. 12 Comparison of motion trajectories of real persons and ReH2 measured by motion capture system
Fig. 13 The Grasp force generated when the Re wearer held the lipstick and the battery was measured and plotted
Fig. 14 The Pinch force generated when the RE wearer held the notebook and wallet was measured and graphed
Fig. 15 Use ReH2 robot to Real test items used in ADL hand gesture are grasp and pinch and are stable
Development of Portable Hand Exoskeleton Robot Capable of Hand Muscle Strength Assist and Pinch Operation of Paralyzed Patients

ROM of thumb

Movement
of thumb
Joint type
CMC (º) MCP (º) IP (º)
Flexion/Extension 15 85 50
Hyperextension 20 20 30(Passive)
Abduction/Adduction 70 70 0

ROM of index finger

Movement
of index finger
Joint type
MCP (º) PIP (º) DIP (º)
Flexion/Extension 70-95 90-110 95
Hyperextension 35 0 30(Passive)
Abduction/Adduction 30 0 0
Table 1 ROM of thumb
Table 2 ROM of index finger