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A Switch-Controller for Improved Measurements in the NIST Magnetic Suspension Mass Comparator

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    We describe a switch-based control strategy implemented on a proof-of-concept version of the Magnetic Suspension Mass Comparator (MSMC) at the National Institute of Standards and Technology. The MSMC apparatus is used to compare mass artifacts held in air to mass artifacts held in vacuum, without having to remove either artifact from its respective environment; thus, eliminating the need to use empirical sorption models. This comparison is achieved by magnetically suspending the mass artifact held in air. The switch-controller utilizes a combination of a magnetic field and displacement measurement to achieve the desired robustness and stability.

    Original languageEnglish (US)
    Title of host publicationCPEM 2018 - Conference on Precision Electromagnetic Measurements
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781538609736
    DOIs
    StatePublished - Oct 19 2018
    Event2018 Conference on Precision Electromagnetic Measurements, CPEM 2018 - Paris, France
    Duration: Jul 8 2018Jul 13 2018

    Publication series

    NameCPEM 2018 - Conference on Precision Electromagnetic Measurements

    Conference

    Conference2018 Conference on Precision Electromagnetic Measurements, CPEM 2018
    Country/TerritoryFrance
    CityParis
    Period7/8/187/13/18

    All Science Journal Classification (ASJC) codes

    • Electrical and Electronic Engineering
    • Instrumentation
    • Atomic and Molecular Physics, and Optics
    • Radiation

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