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A contactless positioning system for monitoring discontinuities in three dimensions with geological and geotechnical applications

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985891%3A_____%2F17%3A00481700" target="_blank" >RIV/67985891:_____/17:00481700 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/17:00481700

  • Result on the web

    <a href="http://dx.doi.org/10.1063/1.4993925" target="_blank" >http://dx.doi.org/10.1063/1.4993925</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1063/1.4993925" target="_blank" >10.1063/1.4993925</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    A contactless positioning system for monitoring discontinuities in three dimensions with geological and geotechnical applications

  • Original language description

    In this paper, a contactless positioning system is presented which has been designed to monitor the kinematic behavior of mechanical discontinuities in three dimensions. The positioning system comprises a neodymium magnet, fixed on one side of a discontinuity, and a magnetoresistive sensing array, fixed on the opposing side. Each of the anisotropic magnetoresistive sensors in the sensing array records the magnetic field along three orthogonal directions. The positioning system intrinsically generates compact data packages which are transmitted effectively using a range of standard wireless telecommunication technologies. These data are then modeled using a global least squares fitting procedure in which the adjustable parameters are represented by the position and orientation of the neodymium magnet. The instrumental resolution of the positioning system can be tuned depending on the strength of the magnetic field generated by the neodymium magnet and the distance between the neodymium magnet and the magnetoresistive sensing array. For a typical installation, the displacement resolution is shown to be circa 10 mu m while the rotation resolution is circa 0.1 degrees. The first permanently deployed positioning system was established in June 2016 to monitor the behavior of an N-S trending fault located at the contact between the eastern Alps and the Vienna Basin. The robust design of the positioning system is demonstrated by the fact that no interruptions in the broadcasted data streams have occurred since its installation. It has a range of potential applications in many areas of basic and applied research including geology, geotechnical engineering, and structural health monitoring.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20701 - Environmental and geological engineering, geotechnics

Result continuities

  • Project

    <a href="/en/project/LM2010008" target="_blank" >LM2010008: CzechGeo/EPOS ? Distributed system of permanent observatory measurements and temporary monitoring of geophysical fields in the Czech Republic</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Review of Scientific Instruments

  • ISSN

    0034-6748

  • e-ISSN

  • Volume of the periodical

    88

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

    000406773700031

  • EID of the result in the Scopus database

    2-s2.0-85025135985