Analysis of modern gravimeters of the aviation gravimetric system

Authors

DOI:

https://doi.org/10.15587/2312-8372.2017.105698

Keywords:

sensing element, gravimeter, gravity acceleration, gravitational field of the Earth

Abstract

The analysis of existing gravimeters of aviation gravimetric systems (AGS) is carried out. Their main disadvantages are identified: low accuracy of measurement (3–10 mGal), mandatory necessity of application of filtration procedure of output signal of AGS gravimeter; instability of the static transfer coefficient of the AGS gravimeter; low speed. The expediency of using AGS for carrying out gravimetric measurements and obtaining information about the Earth's gravitational field is substantiated. Aerogravimetric surveying requires a significant increase in the accuracy and speed of aviation gravity measurements. Therefore, the study of this issue remains an important problem. To date, there are already theoretical developments and prototypes that almost completely solve all the main disadvantages. Modern advanced developments in the field of aircraft gravimeters are considered: gyroscopic, ballistic, piezoelectric, capacitive, string gravimeters. They are distinguished by high accuracy (1–2 mGal) and speed. It is proposed to use a two-channel (differential) method for GA measurement in all gravimeter designs. Then the useful signal is doubled 2g, and the signals of the main disturbing vertical acceleration, instrumental errors from the influence of changes in temperature, pressure and other environmental factors are canceled.

Author Biographies

Olena Bezvesilna, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy ave., 37, Kyiv, Ukraine, 03057

Doctor of Technical Sciences

Department of Instrumentation

Larina Chepyuk, Zhytomyr State Technological University, Chernyakhovsky str., 103, Zhуtomуr, Ukraine, 10005

PhD

Department of automation and computer-integrated technologies named after prof. B. B. Samotokin

Andriy Tkachuk, Zhytomyr State Technological University, Chernyakhovsky str., 103, Zhуtomуr, Ukraine, 10005

PhD

Department of automation and computer-integrated technologies named after prof. B. B. Samotokin

Sergii Nechai, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy ave., 37, Kyiv, Ukraine, 03057

PhD, Associate Professor

Department of Instrumentation

Tetiana Khylchenko, Zhytomyr State Technological University, Chernyakhovsky str., 103, Zhуtomуr, Ukraine, 10005

Postgraduate student

Department of automation and computer-integrated technologies named after prof. B. B. Samotokin

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Published

2017-05-30

How to Cite

Bezvesilna, O., Chepyuk, L., Tkachuk, A., Nechai, S., & Khylchenko, T. (2017). Analysis of modern gravimeters of the aviation gravimetric system. Technology Audit and Production Reserves, 3(1(35), 53–59. https://doi.org/10.15587/2312-8372.2017.105698

Issue

Vol. 3 No. 1(35) (2017): Industrial and Technology Systems

Section

Electrical Engineering and Industrial Electronics: Original Research

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Copyright (c) 2017 Olena Bezvesilna, Larina Chepyuk, Andriy Tkachuk, Sergii Nechai, Tetiana Khylchenko

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