Investigation of the model of the vibration measuring channel of the complex monitoring system of steel tanks

Authors

  • Надежда Ивановна Бурау National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine
  • Сергей Алексеевич Цыбульник National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-4462-0936
  • Дмитрий Владимирович Шевчук National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0001-7428-1827

DOI:

https://doi.org/10.15587/1729-4061.2015.50980

Keywords:

vibration diagnostics, vertical steel tank, LabVIEW, diagnostic system, ANSYS

Abstract

The presence of defects and damage incurred during the manufacture, installation and operation raises the problem of controlling the technical condition of critical structures of engineering and construction facilities on one of the first places in the diagnosis of objects. In the modern world practice, this problem is solved by using complex intelligent monitoring systems. Due to the wide range of opportunities, these tools for functional diagnostics are widely used in various industries.

The paper considers the problems of improving methodical, software and hardware support of the vibration measuring channel. In the software environment LabVIEW for signal recording, the virtual device with support for up to seven measuring channels (two accelerometers, one inclinometer, and four strain gauges) was developed. In the mathematical package MATLAB, the processing program of diagnostic information was implemented. In the processing program, the possibility of excluding the constant component from the measured signals was added. Assessment of the impact of ADC noise on the useful signal was performed. In the graphic package CATIA, a simplified three-dimensional model of the tank with the volume of 0.04m3 was developed. Simplification of the model lies in excluding certain structural elements for optimizing the ratio "calculation time/ accuracy of the results" in the simulation.

The vibration signals were produced by impulse excitation of structural oscillations. The length of each signal is 8192 points for optimizing processing algorithms. Using the software package ANSYS, a modal analysis of the structure was carried out. It is shown that the efficiency of the model of the vibration measuring channel is over 90 %.

Author Biographies

Надежда Ивановна Бурау, National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056

Professor, Doctor of technical sciences, head of the department

Department of devices and systems orientation and Navigating

Сергей Алексеевич Цыбульник, National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056

Postgraduate  student

Department of devices and systems orientation and Navigating

Дмитрий Владимирович Шевчук, National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056

Postgraduate  student

Department of devices and systems orientation and Navigating

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Published

2015-10-20

How to Cite

Бурау, Н. И., Цыбульник, С. А., & Шевчук, Д. В. (2015). Investigation of the model of the vibration measuring channel of the complex monitoring system of steel tanks. Eastern-European Journal of Enterprise Technologies, 5(9(77), 45–52. https://doi.org/10.15587/1729-4061.2015.50980

Issue

Vol. 5 No. 9(77) (2015): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2015 Надежда Ивановна Бурау, Сергей Алексеевич Цыбульник, Дмитрий Владимирович Шевчук

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