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DOUBLE MEASUREMENT RELIABILITY STUDY DURING MONITORING

Viktor Gordeev, Dmitry Gura, Grittel Shevchenko, Saida Pshidatok

First published: 2020-09-20https://doi.org/10.5593/sgem2020/2.2/s09.013View metrics

Abstract

Systematic monitoring of buildings and structures is necessary to ensure the safety and reliable functioning of infrastructure facilities. An important component for high-precision measurement control during monitoring is the verification of double measurement accuracy and the identification of systematic errors. By double measurements we mean the comparison of measurement result difference between the monitoring series, determining the displacements that occurred as systematic errors using the mathematical apparatus proposed in the article. Existing methods for monitoring the deformation of buildings and structures are not without systematic errors, the identification of which has always been an important stage in the post-processing of geodetic measurements. To identify systematic errors from the results of double measurements, it is proposed to use the mathematical apparatus of adjustment parametric method. The solution is achieved, if necessary, by pseudo inversion of the inverse weight matrix of parameters. The control of systematic error significance is performed on the basis of Student's criterion. The article presents the results evaluating the accuracy of double measurements taking into account systematic errors; they proposed a step-by-step algorithm for systematic error identification based on the results of double measurements.

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Publication details

Title
DOUBLE MEASUREMENT RELIABILITY STUDY DURING MONITORING
Authors
Viktor Gordeev, Dmitry Gura, Grittel Shevchenko, Saida Pshidatok
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing
Publisher
STEF92 Technology
Year
2020
Pages
103-108
SWS Citekey
Gordeev20209103108
ISSN
1314-2704
ISBN
978-619-7603-07-1
Language
en
Publication type
Conference Paper
Keywords
monitoringdouble measurementssystematic errors
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