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Cho Y, Lee Y, Kim P, Jeong S, Kim KS. The MSC Prosthetic Hand: Rapid, Powerful, and Intuitive. IEEE Robot Autom Lett 2022. [DOI: 10.1109/lra.2022.3140444] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Younggeol Cho
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Deajeon, South Korea
| | - Yeongseok Lee
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Deajeon, South Korea
| | | | - Seokhwan Jeong
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea
| | - Kyung-Soo Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Deajeon, South Korea
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2
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Active-Type Continuously Variable Transmission System Based on a Twisted String Actuator. IEEE Robot Autom Lett 2022. [DOI: 10.1109/lra.2022.3144782] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Lee E, Song H, Jeong J, Jeong S. Mechanical Variable Magnetic Gear Transmission: Concept and Preliminary Research. IEEE Robot Autom Lett 2022. [DOI: 10.1109/lra.2022.3146506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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A Twisted String, Flexure Hinges Approach for Design of a Wearable Haptic Thimble. ACTUATORS 2021. [DOI: 10.3390/act10090211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Wearable haptic devices in the shape of actuated thimbles are used to render the sense of touch in teleoperation and virtual reality scenarios. The design of similar devices has to comply with concurring requirements and constraints: lightweight and compactness, intensity and bandwidth of the rendered signals. Micro-sized motors require a mechanical reduction to increase the output force, at the cost of noise and vibrations introduced by conventional gear reducers. Here we propose a different actuation method, based on a miniaturized twisted string actuator and a flexure hinge transmission mechanism. The latter is required to transmit and transform the pulling force of the twist actuator to a pushing force of the plate in contact with the fingerpad. It achieves a lightweight and noiseless actuation in a compact mechanism. In this work, we present design guidelines of the proposed approach, optimization, and FEM analysis of the flexure hinge mechanism, implementation of the prototype, and experimental characterization of the twist actuator measuring frequency response and output force capabilities.
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Kim JH, Jang IG. Optimization-Based Investigation of Bioinspired Variable Gearing of the Distributed Actuation Mechanism to Maximize Velocity and Force. IEEE Robot Autom Lett 2020. [DOI: 10.1109/lra.2020.3013894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Kim S, Sim J, Park J. Elastomeric Continuously Variable Transmission Combined With Twisted String Actuator. IEEE Robot Autom Lett 2020. [DOI: 10.1109/lra.2020.3008123] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kim KR, Jeong SH, Kim P, Kim KS. Design of Robot Hand With Pneumatic Dual-Mode Actuation Mechanism Powered by Chemical Gas Generation Method. IEEE Robot Autom Lett 2018. [DOI: 10.1109/lra.2018.2853763] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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