The impact of lifting the meridian line of the suspension on the accuracy of the inertial sensor

Authors

  • Владимир Владимирович Карачун National Technical University of Ukraine “Kyiv Polytechnic Institute”, Avenue Victories, 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-6080-4102
  • Виктория Николаевна Мельник National technical university of Ukraine is the "Kyiv polytechnic institute" Avenue Victories, 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-0004-7218

DOI:

https://doi.org/10.15587/1729-4061.2014.21870

Keywords:

systematic inaccuracy, inertial sensor, meridian line, middle frame, gyro suspension

Abstract

Numerical analysis of the effectiveness of reducing the impact of a shock N-wave of hypersonic flight using the methods of design and technology solutions is carried out. In particular, through the transition from surfaces with non-zero Gaussian curvature of the moving part of float suspension of two-stage inertial sensor to surfaces with non-zero Gaussian curvature. Technical realization of this transition lies in an artificial lifting the meridian line of float by the value  in the middle frame. Elastically deformed surface of float suspension in the case of cyclic loading by diffuse sound field with intensity  and frequency  is presented. Numerical values of maximum elastic displacements of the suspension surface in the middle frame of the moving part of a commercially available device are given, and the systematic inaccuracy of sensor for several variants of lifting the meridian line of the float is determined. In particular, lifting the meridian line of the middle frame by the value of (1,7÷1,8)10-3 m allows to provide the systematic inaccuracy of the device in the acoustic field at the level of its sensitivity threshold, i.e. not higher than 0.45 deg c-1. Results can be used for testing prototypes and assessing the compliance of operating devices with the passport requirements.

Author Biographies

Владимир Владимирович Карачун, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Avenue Victories, 37, Kyiv, Ukraine, 03056

Doctor of engineering sciences, professor Department of biotechnics and engineering

Виктория Николаевна Мельник, National technical university of Ukraine is the "Kyiv polytechnic institute" Avenue Victories, 37, Kyiv, Ukraine, 03056

Doctor of engineering sciences, professor

Manager by a department

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Published

2014-04-08

How to Cite

Карачун, В. В., & Мельник, В. Н. (2014). The impact of lifting the meridian line of the suspension on the accuracy of the inertial sensor. Eastern-European Journal of Enterprise Technologies, 2(7(68), 8–12. https://doi.org/10.15587/1729-4061.2014.21870

Issue

Vol. 2 No. 7(68) (2014): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2014 Владимир Владимирович Карачун, Виктория Николаевна Мельник

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