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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 544-547 |
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Eslami Majd A, Khoosheh Mehri A, Arab Sheibani E, Koukhaei M. Mechanical simulation and investigation of Hemisphere Shell Resonator(HSR) geometry. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :544-547
URL: http://opsi.ir/article-1-2423-en.html
URL: http://opsi.ir/article-1-2423-en.html
1- Malek Ashtar University
2- Malek Ashtar University of Tehran
2- Malek Ashtar University of Tehran
Abstract: (1014 Views)
The Hemispherical Resonator Gyroscope(HRG) consists of three main parts of the hemispherical shell, electrodes and control circuits. In this research, a hemispherical shell with a hollow stem has been investigated. In order to mechanical simulation, first the equations of shell are studied and three-dimensional modeling is performed in Comsol Multiphysics software. In the simulation output, the vibrating modes of the shell, natural frequencies, system quality factor and the effect of geometry on the natural frequency of the shell are investigated. The quality factor is about 2 billion in the second and third vibrating modes. Also, by examining the relationship between geometry and performance parameters, it was concluded that with increasing stem radius and shell radius, the natural frequency decreases and with increasing shell thickness, the natural frequency will increase.
Keywords: Hemispherical Resonator Gyroscope(HRG), Hemispherical Shell Resonator(HSR) Simulation, Natural Frequency, Quality Factor, Geometric Parameter
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