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Features of balancing metal resonators of solid-state wave gyroscopes

DOI 10.18127/j19997493-201804-13

Keywords:

E.A. Chumankin – Ph.D.(Eng.), Deputy Head of Department, JSC «ANPP «TEMP-AVIA»
E-mail: che54@mail.ru
B.S. Lunin – Dr.Sc.(Eng.), Leading Research Scientist, Chemical Faculty, Lomonosov Moscow State University
E-mail: luninboris@yandex.ru
M.A. Basarab – Dr.Sc.(Phys.-Math.), Head of Department «Information Security», Bauman Moscow State Technical University
E-mail: bmic@mail.ru


The solid-state wave gyroscopes (SWG) or Coriolis vibratory gyroscopes (CVG) with metal resonators are characterized by a relatively simple production technology, low cost, and in recent years have found wide application for solving various kinds of control and stabi-lization problems of objects. One of the main technological operations in the production of such SWG is the balancing (or trimming) procedure. The paper considers the dynamics of a nonideal SWG resonator, as well as features of the technological process of balancing metal resonators. The main criteria for assessing the state of the metal resonator and the sequence to achieve the required parameters are given. It is shown that the residual frequency difference should not exceed 0.01−0.02 Hz. Removal of unbalanced mass is advisable to carry out by drilling holes on the free edge of a cylindrical shell, with diameter of about 10% of the wall thickness at 16 fixed points located through 22.5°, which provides only a change in the angular mass distribution of the shell.

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