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CALIBRATION OF THE INERTIAL SENSORS IN REAL TIME

Prof. Sergey Timoshenkov, Prof. Natalia Korobova, Ph.D. Sergei Evstafev, Andrey Mikheev

First published: 2017-06-20https://doi.org/10.5593/sgem2017/61/s24.005View metrics

Abstract

The possibility of manufacturing compact accelerometer based on prefabricated elements has been shown. Since most of the sensitive element designs at the lowest cost possible to produce at different ranges of sensitivity, so accelerometer design will be flexible in terms of wide range measuring of linear accelerations. Paper describes an original method of calibrating an autonomous unit of accelerometers. Without the use of precision rotary tables, centrifuges, and independent of the vibration reason, it is possible to reduce the error caused by the mismatch (not orthogonal) of sensorпїЅs axes. Zero and scale factors of the sensor unit are calibrated with great precision. The calibration of the sensor unit with a measuring range of 2 g, produces the following results: the standard deviation of the vector g, measured in more than 100 different static positions is less than 0.001 g. The way of real sensors noise parameters accommodation under the strap down inertial navigation systems mathematical simulation is offered. The sensors output signal noises components both separate and aggregate influence on the strap down inertial navigation system accuracy is shown.

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Publication details

Title
CALIBRATION OF THE INERTIAL SENSORS IN REAL TIME
Authors
Prof. Sergey Timoshenkov, Prof. Natalia Korobova, Ph.D. Sergei Evstafev, Andrey Mikheev
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future
Publisher
STEF92 Technology
Year
2017
Pages
35-42
SWS Citekey
Timoshenkov2017243542
ISSN
1314-2704
ISBN
978-619-7408-12-6
Language
en
Publication type
Conference Paper
Keywords
sensorcalibrationMEMS
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