Vibration transport system for lunar and Martian regolith using dielectric elastomer actuator

M. Adachi, K. Hamazawa, Y. Mimuro, Hiroyuki Kawamoto

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    An electrostatic transport system for lunar and Martian regolith particles was developed to realize In-Situ Resource Utilization for the successful long-term exploration of the Moon and Mars. The new system utilizes the dielectric elastomer actuator (DEA), which consists of a dielectric elastomer film sandwiched between elastic plate electrodes. When a high AC voltage is applied to the electrodes, the dielectric elastomer is driven by Maxwell stress and the resultant vibration is utilized to transport the regolith. The system has no mechanical drives and does not need complicated controls or high power consumption; thus, it is highly reliable for space application. In this study, the motions of regolith particles on a vibrating plate in the Earth and Moon environments were firstly investigated using a simple model calculation. Then, two types of vibration transport systems using DEA were developed based on the calculation results, and the basic characteristics of vibration transport for regolith were experimentally determined. The calculation result shows that the acceleration of the vibrating plate is the key factor for the success of vibration transport, and the lunar regolith simulant FJS-1 could be experimentally transported at a feed rate of approximately 1.95 g/s on the Earth using one of the developed system types when the plate acceleration exceeded 14.7 m/s2. It is expected that the transport performance of the system will be improved in the Moon environment owing to the absence of air drag and the small gravitational force.

    Original languageEnglish
    Pages (from-to)88-98
    Number of pages11
    JournalJournal of Electrostatics
    Volume89
    DOIs
    Publication statusPublished - 2017 Oct 1

    Fingerprint

    Elastomers
    regolith
    elastomers
    Vibration
    Moon
    Actuators
    actuators
    vibration
    moon
    Electrodes
    Earth (planet)
    Mechanical drives
    Mars
    mechanical drives
    in situ resource utilization
    Space applications
    Earth environment
    elastic plates
    Static Electricity
    electrodes

    Keywords

    • Aerospace engineering
    • Dielectric elastomer actuator
    • In situ resource utilization
    • Regolith
    • Vibration transport

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Biotechnology
    • Condensed Matter Physics
    • Surfaces, Coatings and Films
    • Electrical and Electronic Engineering

    Cite this

    Vibration transport system for lunar and Martian regolith using dielectric elastomer actuator. / Adachi, M.; Hamazawa, K.; Mimuro, Y.; Kawamoto, Hiroyuki.

    In: Journal of Electrostatics, Vol. 89, 01.10.2017, p. 88-98.

    Research output: Contribution to journalArticle

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    abstract = "An electrostatic transport system for lunar and Martian regolith particles was developed to realize In-Situ Resource Utilization for the successful long-term exploration of the Moon and Mars. The new system utilizes the dielectric elastomer actuator (DEA), which consists of a dielectric elastomer film sandwiched between elastic plate electrodes. When a high AC voltage is applied to the electrodes, the dielectric elastomer is driven by Maxwell stress and the resultant vibration is utilized to transport the regolith. The system has no mechanical drives and does not need complicated controls or high power consumption; thus, it is highly reliable for space application. In this study, the motions of regolith particles on a vibrating plate in the Earth and Moon environments were firstly investigated using a simple model calculation. Then, two types of vibration transport systems using DEA were developed based on the calculation results, and the basic characteristics of vibration transport for regolith were experimentally determined. The calculation result shows that the acceleration of the vibrating plate is the key factor for the success of vibration transport, and the lunar regolith simulant FJS-1 could be experimentally transported at a feed rate of approximately 1.95 g/s on the Earth using one of the developed system types when the plate acceleration exceeded 14.7 m/s2. It is expected that the transport performance of the system will be improved in the Moon environment owing to the absence of air drag and the small gravitational force.",
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