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Robust Congestion Control Using Sliding Mode Control In TCP/IP Computer Networks | ||
| International Journal of Industrial Electronics Control and Optimization | ||
| مقاله 12، دوره 3، شماره 4، آذر 2020، صفحه 503-510 اصل مقاله (704.35 K) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22111/ieco.2020.33484.1250 | ||
| نویسندگان | ||
| Shoorangiz Shams Shamsabad Farahani* 1؛ Narges Masoomabadi2؛ Mohammad Reza Jahed-Motlagh3 | ||
| 1Department of Electrical Engineering, Islamshahr branch, Islamic Azad University, Islamshahr, Iran | ||
| 2Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran, | ||
| 3Iran University of Science and Technology | ||
| چکیده | ||
| Based on the recent Internet advances, congestion control is considered as an important issue and has spurred a significant amount of research. In this study, second-order sliding mode control is used to adjust the average queue length and maintain the closed-loop system performance. The control law is obtained in two steps. First, the nonlinear state-space form of the network is extracted based on state variables as the average queue length and congestion window size. Then, the proportional-Integrator-derivative and proportional- derivative sliding surface are defined according to the tracking error. Also, in order to avoid chattering, the derivative of the sliding surface is considered and the closed-loop system stability is investigated based on Lyapunov theory. The proposed scheme renders good tracking specifications and closed-loop system robustness. The simulation results show that the proposed methods outperform proportional integral (PI) and proportional integral derivative (PID) schemes. Also, robustness to disturbances increases and chattering and transient response degradation are avoided. | ||
| کلیدواژهها | ||
| Chattering؛ Congestion control؛ Sliding mode control (SMC)؛ TCP/IP computer network؛ Disturbance | ||
| مراجع | ||
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