The study of the radiating module of the energy management system of buildings

Authors

  • V.I. Magro Dnipro University of Technology, Ukraine
  • S.V. Plaksin Institute of Transport Systems and Technologies of National Academy of Sciences of Ukraine, Ukraine

DOI:

https://doi.org/10.15588/1607-6761-2022-4-2

Keywords:

energy management, control system, smart home, radiating module, triangular microstrip antenna, reflection coefficient module, radiation characteristics

Abstract

Purpose. Improving the toolkit of interaction between sensors and the building control system using a triangular microstrip antenna.

Methodology. Mathematical modeling by the method of finite differences in the time domain.

Findings. The proposed technical solution consists in choosing the optimal design of the radiating module in the form of a triangular microstrip antenna, by means of mathematical modeling, the values of the geometric dimensions of the triangle, the thickness of the dielectric layer and the value of its dielectric constant, the overall dimensions of the radiating module, which ensure optimal coordination of the antenna with the power feeder in the form of a microstrip line. The developed computer model of the triangular microstrip antenna using the finite-difference method in the time domain allows conducting research on the parameters of this antenna that provide stable wireless communication between the system of sensors and the home automation control unit. The condition for increasing the degree of matching the impedance of the antenna and the supply line  is the choice of the method of powering the antenna. It was established that the most optimal way of feeding a triangular antenna is the method of connecting the microstrip line to the middle of the side of the triangle, compared to the way of connecting the power line to the top of the triangle. The width of the microstrip power line was optimized according to the criterion of minimizing the module of the reflection coefficient at the antenna input. A study of the degree of matching the impedance of the antenna at operating frequencies of 2,4 and 7 GHz was carried out. At a frequency of 7 GHz, the magnitude of the reflection coefficient module is -23,6776 dB. The three-dimensional and two-dimensional radiation patterns of this antenna are calculated. The radiation pattern has an almost spherical shape, that is, it allows placing the radiating module in any orientation relative to the earth's surface. This allows the triangular microstrip antenna to be used as a radiating module of the building energy management system and the smart home system.

Originality. The study of the ways of feeding the triangular microstrip antenna allows to find the optimal coupling of the antenna with the power line, which ensures the formation of radiation characteristics that ensure effective interaction between the sensors and the building's energy management control system.

Practical value. The radiation characteristics of a triangular microstrip antenna obtained as a result of the study make it possible to use it to organize a wireless communication channel in a 4% operating frequency band.

Author Biographies

V.I. Magro, Dnipro University of Technology

PhD, Associate Professor, Associate Professor of Department of Information Security and Telecommunications of the Dnipro University of Technology, Dnipro, Ukraine

S.V. Plaksin, Institute of Transport Systems and Technologies of National Academy of Sciences of Ukraine

Dr. Sc., senior researcher, Head of the Department of Control Systems of the Institute of Transport Systems and Technologies of National Academy of Sciences of Ukraine, Dnipro, Ukraine

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Published

2023-01-30

How to Cite

Magro, V., & Plaksin, S. (2023). The study of the radiating module of the energy management system of buildings. Electrical Engineering and Power Engineering, (4), 15–23. https://doi.org/10.15588/1607-6761-2022-4-2

Issue

No. 4 (2022): Electrical Engineering and Power Engineering

Section

Electroenergetics

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Copyright (c) 2023 V.I. Magro, S.V. Plaksin

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