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Simultaneous measurement of distance and thickness of a thin metal plate with an electromagnetic sensor using a simplified model.

Yin, Wuliang and Peyton, A. J. and Dickinson, Stephen J. (2004) Simultaneous measurement of distance and thickness of a thin metal plate with an electromagnetic sensor using a simplified model. IEEE Transactions on Instrumentation and Measurement, 53 (4). pp. 1335-1338. ISSN 0018-9456

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    Abstract

    This paper presents a simplified model which can describe the inductance change when an air-core coil is placed next to a thin nonmagnetic metallic plate. The model has two independent parameters and is valid for a range of thickness, conductivity, and lift-offs. Use of this new relationship provides a fast and accurate method to measure the distance and thickness simultaneously. Measurements made for a sample coil next to thin copper and aluminum plates of various thicknesses verified the theory and the proposed method.

    Item Type: Article
    Journal or Publication Title: IEEE Transactions on Instrumentation and Measurement
    Subjects: T Technology > TA Engineering (General). Civil engineering (General)
    Departments: Faculty of Science and Technology > Engineering
    ID Code: 20155
    Deposited By: ep_ss_importer
    Deposited On: 17 Dec 2008 09:29
    Refereed?: Yes
    Published?: Published
    Last Modified: 26 Jul 2012 15:37
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/20155

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