Мodel of the process of assessing the electromagnetic compatibility of the onboard equipment of the aircraft

DOI: 10.34759/trd-2022-123-27

Аuthors

Dementiev A. N.^*, Klyuev D. S.^**, Novikov A. N.^***, Mezhnov A. S.^****, Peterskova Y. A., Zakharova E. V., Dementiev L. A.

MIREA — Russian Technological University (Lomonosov Institute of Fine Chemical Technologies), 78, Vernadsky prospect, Moscow, 119454, Russia

*e-mail: Dementev@mirea.ru
**e-mail: klyuevd@yandex.ru
***e-mail: band31@mail.ru
****e-mail: Mezhnov.a.s@edu.mirea.ru

Abstract

As of now, the problem solution on space-rocket technology (SRT) application is impossible without radio-electronic means (REM) employing. This fact leads to the radio-frequency space oversaturation with electromagnetic radiation in the whole frequency range. The main causes, requiring effectiveness enhancing of the frequency spectrum employing and providing the REM joint operation under conditions of restricted space-time and frequency resources are:

- Expansion of the scope of the REM application for the SRT;

- Increase in their power and number;

- Sensitivity growth of radio receiving equipment;

- Impact of the great number of jamming sources on the REM

Problems of assessing electromagnetic environment (EME), and determining various electromagnetic compatibility (EMC) characteristics occur while the RST REM operation. Thus, the search for new ways of ensuring the REM joint functioning with the specified quality under conditions of limited frequency, time and territorial resources is up-to-date.

The EMC tasks consist in the following:

– establishing regularities for the optimal application of the radio frequency fields being created for information transmitting and/or receiving or extracting;

- establishing regularities of undesirable interaction of simultaneously functioning REM;

- identifying the ways and developing criteria and methods for the radio frequency space maximum application efficiency and capacity, including operational-technical characteristics of the REM, affecting the REM EMC;

- synthesizing the REM with the specified characteristics of the radio frequency spectrum (RFS) application, i.e. the characteristics, which include accounting for both out-of-band and stray radiation, and side reception channels.

With the scores of the onboard equipment with various characteristics and widely ramified onboard cable network (OCN) on the SRO, solution of the above said tasks relative to their interaction is of utter importance while the SRO development and manufacturing.

This will allow:

- analyzing the EME onboard the RST objects;

- evaluating the EME level with account for the frequency and spatial separation of the onboard equipment and OCN;

- determining the ways to EMC ensuring of the OE and OCN under specific operating conditions;

- simulating the processes of the electronic equipment functioning under complex EME.

This set of techniques and algorithms novelty consists in solving partial problems with the subsequent comparison of the obtained total values of the electric field strength at the specified points of the RST object, and the voltage induced on the OCN cables with the specified requirements, according to the developed techniques.

Keywords:

electromagnetic compatibility, screen, electric field strength, voltage, on-board equipment, metallization

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