Wireless Soft Actuator Based on Liquid-Gas Phase Transition Controlled by Millimeter-Wave Irradiation

Soichiro Ueno; Yasuaki Monnai

doi:10.1109/LRA.2020.3013847

Wireless Soft Actuator Based on Liquid-Gas Phase Transition Controlled by Millimeter-Wave Irradiation

Soichiro Ueno, Yasuaki Monnai

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We propose a wireless soft actuator controlled thermally by millimeter-wave irradiation. The actuator is composed of low boiling point liquid sealed in a soft bellows. By irradiating high-power millimeter-waves, the liquid can be evaporated to generate a strong mechanical force. We characterize the force and work extracted from the bellows as a function of the liquid volume and temperature. We then demonstrate the wireless actuation by irradiating a millimeter-wave on the bellows. We also evaluate its dynamic response by modulating the millimeter-wave. Our approach provides novel usage and design space of soft actuators.

Original language	English
Article number	9158339
Pages (from-to)	6483-6488
Number of pages	6
Journal	IEEE Robotics and Automation Letters
Volume	5
Issue number	4
DOIs	https://doi.org/10.1109/LRA.2020.3013847
Publication status	Published - 2020 Oct

Keywords

Soft robot applications
force control
gas-liquid phase transition
low boiling point liquid
millimeter-waves

ASJC Scopus subject areas

Control and Systems Engineering
Biomedical Engineering
Human-Computer Interaction
Mechanical Engineering
Computer Vision and Pattern Recognition
Computer Science Applications
Control and Optimization
Artificial Intelligence

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10.1109/LRA.2020.3013847

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title = "Wireless Soft Actuator Based on Liquid-Gas Phase Transition Controlled by Millimeter-Wave Irradiation",

abstract = "We propose a wireless soft actuator controlled thermally by millimeter-wave irradiation. The actuator is composed of low boiling point liquid sealed in a soft bellows. By irradiating high-power millimeter-waves, the liquid can be evaporated to generate a strong mechanical force. We characterize the force and work extracted from the bellows as a function of the liquid volume and temperature. We then demonstrate the wireless actuation by irradiating a millimeter-wave on the bellows. We also evaluate its dynamic response by modulating the millimeter-wave. Our approach provides novel usage and design space of soft actuators.",

keywords = "Soft robot applications, force control, gas-liquid phase transition, low boiling point liquid, millimeter-waves",

author = "Soichiro Ueno and Yasuaki Monnai",

note = "Funding Information: Manuscript received February 24, 2020; accepted July 7, 2020. Date of publication August 4, 2020; date of current version August 17, 2020. This letter was recommended for publication by Associate Editor K. H. Petersen and Editor K.-J. Cho upon evaluation of the Reviewers{\textquoteright} comments. This work was supported by Japan Science and Technology Agency, PRESTO Grant Number JPMJPR18J9, Japan. (Corresponding author: Yasuaki Monnai.) Soichiro Ueno is with the Department of Applied Physics and Physico-Informatics, Keio University, Yokohama 223-8522, Japan (e-mail: soccho@ keio.jp). Publisher Copyright: {\textcopyright} 2016 IEEE.",

year = "2020",

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doi = "10.1109/LRA.2020.3013847",

language = "English",

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AU - Ueno, Soichiro

AU - Monnai, Yasuaki

N1 - Funding Information: Manuscript received February 24, 2020; accepted July 7, 2020. Date of publication August 4, 2020; date of current version August 17, 2020. This letter was recommended for publication by Associate Editor K. H. Petersen and Editor K.-J. Cho upon evaluation of the Reviewers’ comments. This work was supported by Japan Science and Technology Agency, PRESTO Grant Number JPMJPR18J9, Japan. (Corresponding author: Yasuaki Monnai.) Soichiro Ueno is with the Department of Applied Physics and Physico-Informatics, Keio University, Yokohama 223-8522, Japan (e-mail: soccho@ keio.jp). Publisher Copyright: © 2016 IEEE.

PY - 2020/10

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N2 - We propose a wireless soft actuator controlled thermally by millimeter-wave irradiation. The actuator is composed of low boiling point liquid sealed in a soft bellows. By irradiating high-power millimeter-waves, the liquid can be evaporated to generate a strong mechanical force. We characterize the force and work extracted from the bellows as a function of the liquid volume and temperature. We then demonstrate the wireless actuation by irradiating a millimeter-wave on the bellows. We also evaluate its dynamic response by modulating the millimeter-wave. Our approach provides novel usage and design space of soft actuators.

AB - We propose a wireless soft actuator controlled thermally by millimeter-wave irradiation. The actuator is composed of low boiling point liquid sealed in a soft bellows. By irradiating high-power millimeter-waves, the liquid can be evaporated to generate a strong mechanical force. We characterize the force and work extracted from the bellows as a function of the liquid volume and temperature. We then demonstrate the wireless actuation by irradiating a millimeter-wave on the bellows. We also evaluate its dynamic response by modulating the millimeter-wave. Our approach provides novel usage and design space of soft actuators.

KW - Soft robot applications

KW - force control

KW - gas-liquid phase transition

KW - low boiling point liquid

KW - millimeter-waves

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Wireless Soft Actuator Based on Liquid-Gas Phase Transition Controlled by Millimeter-Wave Irradiation

Abstract

Keywords

ASJC Scopus subject areas

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