MODELING OF FIBER-OPTIC ACCELEROMETER OF PENDULUM TYPE
DOI:
https://doi.org/10.24025/2306-4412.1.2019.166254Keywords:
fiber-optic accelerometer, the fiber optic, the coupling coefficient of modes of radiation.Abstract
Analysis of scientific literature has shown that there is a lack of attention to the processes used in fiberoptic accelerometers, which operate under concentrated impact of destabilizing factors generated by compactly arranged equipment of power unit. Constructive and technological features of accelerometers are not considered, and there is no assessment of their metrological and operational characteristics in these conditions. Accordingly, there is no systematic description of the processes in fiber accelerometers and, in general, the approach to the solution of this important issue. The author studies the work of pendulum scheme accelerometer to control high frequency vibration in special conditions. In the developed scheme of the accelerometer the performance of optical fiber in the form of laminated layered structure allows to create and use discrete design diagram. According to this diagram: a fiber is replaced by a cylinder, consisting of a series of concentric cylindrical layers, within each of which the voltage is considered to be constant. In each layer the refractive index is constant and the field is described by the ψ function; to estimate the magnitude of the refractive index in each layer the method of equal volume sections can be used; the task of coordination of two waveguide structures is considered as an excitation of the receiving antenna by some given field of the radiating antenna. Based on the modified theory of related modes in tunnel-coupled optical fibers, the coefficient of radiation modes coupling in a coaxial structure, created under the influence of oscillatory processes, has been determined. The model of fiber-optic accelerometer, which has allowed to develop a measuring converter model for laboratory measurements and realize the devices modeling for their effective design, is further developed.
References
1. Commissarov, C. C. (2016). Development and research of a fiber-optical interferometric system with micromechanical converter: author’s abstract for Ph.D. in Engineering: 05.11.07. S.Pb State Electrotechnical University “LETI”. St. Petersburg, 18 p. [in Russian].
Badeeva, E. A. (2016). Scientific concept of projection of fiber optic sensors of pressure with an open optical channel for space-rocket and aircraft equipment. Izvestiya vysshyh uchebnyh zavedenii. Povolzhskii region. Tehnicheskiye nauki, No. 4 (40), pp. 102–113 [in Russian].
Sandler, A. K., Logishev, I. V., Sandler, A. A. (2011). Invariant fiber accelerometer. Enerhetyka sudna: ekspluatatsiya ta remont: materials of sci.-tech. conf. Odessa: ONMA, pp. 277–279 [in Russian].
Sandler, A. K., Sandler, O. A. (2011). Invariant fiber accelerometer: Declarative Patent of Ukraine No. 62437, MPK, G01M 11/00. 02.02.2011. publ. 26.10.2011, Bulletin No. 18 [in Ukrainian].
Sandler, A. K. (2012). A fiber-optical accelerometer for diagnosing of ship gas turbines. Avtomatyka-2012: materials of the XIX Internat. conf. on automatic control (Sept., 26– 28). Kyiv: NUHT, pp. 336 [in Russian].
Sandler, A. K., Logishev, I. V. (2013). Monitoring of provision of ship mechanisms shafts by fiber-optical devices. Sudnovi enerhetychni ustanovky: ekspluatatsiya ta remont: materials of sci.-tech. conf. Odesa: ONMA, pp. 110–113 [in Russian].
Sandler, A. K., Logishev, I. V. (2017). Development of a fiber accelerometer for monitoring of high-frequency vibration of ship mechanisms. Richkovyy ta morskyy flot: ekspluatatsiya ta remont: materials of sci.- tech. conf. Odesa: NU “OMA”, vol. 2, pp. 14–17 [in Russian].
Chernenko, V. D. (2010). Optomechanics of fiber light guides. St. Petersburg: Politechnika, 291 p. [in Russian].
Markuze, D. (1974). Optical wave guides. Moscow: Mir, 576 p. [in Russian].
Snider, A., Lav, D. (1987). Theory of optical wave guides. Moscow: Radio i svyaz, 656 p. [in Russian].
Barybin, A. A. (2007). Electrodynamics of waveguide structures. Theory of excitation and wave coupling. Moscow: Fizmatlit, 512 p. [in Russian].
Busurin, V. I., Nosov, Yu. R. (1990). Fiber optic sensors: principal bases, questions of calculation and application. Moscow: Energoatomizdat, 256 p. [in Russian].
Novitsky, P. V., Levshina, E. S., etc. (1975). Electric measurements of nonelectrical quantities. Leningrad: Energiya, 576 p. [in Russian].
Downloads
Published
How to Cite
Issue
Section
URN
License
Copyright (c) 2020 А. К. Сандлер The authors who publish in this journal agree to the following terms:The authors reserve the right to authorship of their work and give the journal the right to first publish this work under the terms of the Creative Commons Attribution License CC BY-NC, which allows other persons to freely distribute published work with a mandatory reference to authors of the original work and the first publication of the work in this journal.
Authors have the right to conclude separate additional agreements for the non-exclusive distribution of the paper in the form in which it was published by this journal (for example, posting work in electronic repository or publishing as part of a monograph), provided that the link to the first publication in this journal is maintained.
The journal policy allows and encourages authors to post on the Internet (for example, in repositories of institutions or on personal websites) the manuscript of work, both before the submission of this manuscript to the editorial staff, and during its editorial work, as it contributes to the emergence of productive scientific discussion and positively affects the efficiency and dynamics of published work citation (see The Effect of Open Access).
