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Antenna Positioning Control System for Effective Satellite Communication
Subject area: Science,Engineering and Technology · Area of research: Electronic Engineering
Abstract
This paper has presented antenna positioning control for effective communication. The system uses Two-Phase Hybrid Stepping Motor (TPHSM) to position an antenna in azimuth/elevation for effective satellite communication and quality signal reception. The ability to track a step input signal has been taken as efficient line of sight operation. The dynamic of a TPHSM was obtained in form of a transfer function and then transformed into an equivalent state space model. The stability of the system was determined. An open-loop simulation of the system was carried out in MATLAB/Simulink to check the ability of the system to communicate effectively without a controller. The result obtained indicated that a line of sight operation could not be achieved. A feedback gain was developed and added but the response was not satisfactory. A forward path gain was included such that response was able to track a step input indicating effective line of sight operation. In order to further provide more robust operation with efficient output measurement or estimation, an observer loop was designed and added to the system, the simulation result showed that the proposed full state feedback controller provided good tracking performance for efficient line of sight communication for the TPHSM based antenna positioning control system.
Keywords
Antenna, Controller, Full State Feedback, Observer, Satellite
References
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How to cite this paper
@article{1702743,
author = {Nnaemeka C. Asiegbu, Chimezie F. Udechukwu, Chukwuebuka Ekennodu},
title = {Antenna Positioning Control System for Effective Satellite Communication},
journal = {Iconic Research And Engineering Journals},
year = {2021},
volume = {4},
number = {12},
pages = {27-34},
issn = {2456-8880},
url = {https://www.irejournals.com/formatedpaper/1702743.pdf},
abstract = {This paper has presented antenna positioning control for effective communication. The system uses Two-Phase Hybrid Stepping Motor (TPHSM) to position an antenna in azimuth/elevation for effective satellite communication and quality signal reception. The ability to track a step input signal has been taken as efficient line of sight operation. The dynamic of a TPHSM was obtained in form of a transfer function and then transformed into an equivalent state space model. The stability of the system was determined. An open-loop simulation of the system was carried out in MATLAB/Simulink to check the ability of the system to communicate effectively without a controller. The result obtained indicated that a line of sight operation could not be achieved. A feedback gain was developed and added but the response was not satisfactory. A forward path gain was included such that response was able to track a step input indicating effective line of sight operation. In order to further provide more robust operation with efficient output measurement or estimation, an observer loop was designed and added to the system, the simulation result showed that the proposed full state feedback controller provided good tracking performance for efficient line of sight communication for the TPHSM based antenna positioning control system.},
keywords = {Antenna, Controller, Full State Feedback, Observer, Satellite},
month = {June},
}