Development of the Multi-DOF Myoelectric Hand Prosthesis with the Intuitive Control Algorithm

Jung, Sung Yoon; Kim, Seung Gi; Jang, Dae-Jin; Kim, Shin Ki; Park, Se Hoon; Kim, Do Kyung

doi:10.7736/jkspe.019.083

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…We confirmed the performance of the algorithm developed for normal subjects in an earlier study [31]. The results indicated that a normal subject could easily and effectively perform various hand motions using the multi-DOF myoelectric hand prosthesis with only two EMG sensors.…”

Section: Resultssupporting

confidence: 79%

Development of Multifunctional Myoelectric Hand Prosthesis System with Easy and Effective Mode Change Control Method Based on the Thumb Position and State

Jung

Kim

et al. 2021

Applied Sciences

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Commercial multi-degrees-of-freedom (multi-DOF) myoelectric hand prostheses can perform various hand gestures and grip motions using multiple DOFs. However, as most upper limb amputees have less than two electromyogram (EMG) signals generated at the amputation site, it is difficult to control various hand gestures and grip motions using multi-DOF myoelectric hand prostheses. This paper proposes a multifunctional myoelectric hand prosthesis system that uses only two EMG sensors while improving the convenience of upper limb amputees in everyday life. The proposed system comprises a six-DOF myoelectric hand prosthesis and an easy and effective control algorithm that enables upper limb amputees to perform various hand gestures and grip motions. More specifically, the hand prosthesis has a multi-DOF five-finger mechanism and a small controller that can be mounted inside the hand, allowing it to perform various hand gestures and grip motions. The control algorithm facilitates four grip motions and four gesture motions using the adduction and abduction positions of the thumb, the flexion and extension state of the thumb, and three EMG signals (co-contraction, flexion, and extension) generated using the two EMG sensors. Experimental results indicate that the proposed system is a versatile, flexible, and effective hand prosthesis system for upper limb amputees.

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Section: Resultssupporting

confidence: 79%

Development of Multifunctional Myoelectric Hand Prosthesis System with Easy and Effective Mode Change Control Method Based on the Thumb Position and State

Jung

Kim

et al. 2021

Applied Sciences

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“…In this study, to verify the performance of the developed cover, it was worn on the myoelectric hand prosthesis developed in our previous study (Jung et al, 2020). The developed myoelectric hand prosthesis (Jung et al, 2020) is driven by a motor with a 64:1 gear ratio, and the driving voltage is 3.3 V. The specifications of the developed hand, shown in Table 1, are similar to those of commercially available myoelectric hand prostheses.…”

Section: Cover For Multi-dof Myoelectric Hand Prosthesismentioning

confidence: 99%

Development of multi-degree-of-freedom hand prosthesis cover with sensory recognition

Jung

Yoo

Kim

et al. 2021

JBSE

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Upper limb amputees experience severe discomfort when performing daily life activities owing to the loss of motor and sensory hand functions (Antfolk et al., 2012). The hand prosthesis is a representative assistive device that compensates for the lost motor functions of upper limb amputees. Multi-degree-of-freedom (DOF) myoelectric hand prostheses, which are actuated by a motor, are among the most commonly used hand prostheses (Belter et al., 2013). They are used for gripping objects with a high DOF or performing various hand motions as a means of communication. However, these prosthetic hands require the mounting of multiple motors on the fingers, palm, and wrist to enable hand performance with a high DOF; in practice, they are more similar to robotic hands than human hands. Consequently, the manufacturers of the Michelangelo hand prosthesis (Ottobock Inc.) and I-limb hand (Touch Bionics Inc.) provided a dedicated cover for their developed products resembling the shape of a human hand. Because the cover mimics the fingerprint and skin color of a human hand, the multi-DOF myoelectric hand prostheses with the cover not only perform

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Development of the Multi-DOF Myoelectric Hand Prosthesis with the Intuitive Control Algorithm

Cited by 2 publications

References 14 publications

Development of Multifunctional Myoelectric Hand Prosthesis System with Easy and Effective Mode Change Control Method Based on the Thumb Position and State

Development of Multifunctional Myoelectric Hand Prosthesis System with Easy and Effective Mode Change Control Method Based on the Thumb Position and State

Development of multi-degree-of-freedom hand prosthesis cover with sensory recognition

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