Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks
Active Queue Management (AQM) applies a suitable control policy upon detecting congestion in networks. In this paper, a Proportional-Integral (PI) controller based on the optimization algorithm of MATLAB/Nonlinear Control Design Blockset (NCD) which is adapted as On-line tuning for controller parame...
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| Format: | Article |
| Language: | English |
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Unviversity of Technology- Iraq
2013-03-01
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| Series: | Engineering and Technology Journal |
| Subjects: | |
| Online Access: | https://etj.uotechnology.edu.iq/article_81951_ab91a9d90bb79de73895749ebae8d3f0.pdf |
| _version_ | 1797325683250167808 |
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| author | Saba T. Salim |
| author_facet | Saba T. Salim |
| author_sort | Saba T. Salim |
| collection | DOAJ |
| description | Active Queue Management (AQM) applies a suitable control policy upon detecting congestion in networks. In this paper, a Proportional-Integral (PI) controller based on the optimization algorithm of MATLAB/Nonlinear Control Design Blockset (NCD) which is adapted as On-line tuning for controller parameters is applied to AQM for the objective of congestion avoidance and control in middle nodes. To present the methodology, a Proportional Integral (PI) controller is verified with the TCP/AQM model as an Active Queue Management (AQM) in internet routers The analytical results for linearized TCP/AQM model are presented in MATLAB/Simulink. From the obtained results, a faster response time as well as the regulation of the output to a constant value by the PI controller is clearly observed and it is noted that the PI controller based NCD provides good tracking performance for congestion avoidance in computer networks. |
| first_indexed | 2024-03-08T06:12:54Z |
| format | Article |
| id | doaj.art-e499513dfddc4e1182311caf9a1a0fac |
| institution | Directory Open Access Journal |
| issn | 1681-6900 2412-0758 |
| language | English |
| last_indexed | 2024-03-08T06:12:54Z |
| publishDate | 2013-03-01 |
| publisher | Unviversity of Technology- Iraq |
| record_format | Article |
| series | Engineering and Technology Journal |
| spelling | doaj.art-e499513dfddc4e1182311caf9a1a0fac2024-02-04T17:34:35ZengUnviversity of Technology- IraqEngineering and Technology Journal1681-69002412-07582013-03-01313A57358410.30684/etj.31.3A.1481951Design of On-Line Tuned Controller for Congestion Avoidance in Computer NetworksSaba T. SalimActive Queue Management (AQM) applies a suitable control policy upon detecting congestion in networks. In this paper, a Proportional-Integral (PI) controller based on the optimization algorithm of MATLAB/Nonlinear Control Design Blockset (NCD) which is adapted as On-line tuning for controller parameters is applied to AQM for the objective of congestion avoidance and control in middle nodes. To present the methodology, a Proportional Integral (PI) controller is verified with the TCP/AQM model as an Active Queue Management (AQM) in internet routers The analytical results for linearized TCP/AQM model are presented in MATLAB/Simulink. From the obtained results, a faster response time as well as the regulation of the output to a constant value by the PI controller is clearly observed and it is noted that the PI controller based NCD provides good tracking performance for congestion avoidance in computer networks.https://etj.uotechnology.edu.iq/article_81951_ab91a9d90bb79de73895749ebae8d3f0.pdfactive queue managementncdcomputer networks |
| spellingShingle | Saba T. Salim Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks Engineering and Technology Journal active queue management ncd computer networks |
| title | Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks |
| title_full | Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks |
| title_fullStr | Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks |
| title_full_unstemmed | Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks |
| title_short | Design of On-Line Tuned Controller for Congestion Avoidance in Computer Networks |
| title_sort | design of on line tuned controller for congestion avoidance in computer networks |
| topic | active queue management ncd computer networks |
| url | https://etj.uotechnology.edu.iq/article_81951_ab91a9d90bb79de73895749ebae8d3f0.pdf |
| work_keys_str_mv | AT sabatsalim designofonlinetunedcontrollerforcongestionavoidanceincomputernetworks |