PSO algorithm-based robust design of PID controller for variable time-delay systems: AQM application

Authors

  • Patricia Noemí Baldini Department of Electronic, Facultad Regional Bahía Blanca, Universidad Tecnológica Nacional, Bahía Blanca, Argentine
  • Guillermo Calandrini Department of Electric Engineering and Computers, Universidad Nacional del Sur, Bahía Blanca, Argentine
  • Pedro Doñate Department of Electric Engineering and Computers, Universidad Nacional del Sur, Bahía Blanca, Argentine
  • Hector Bambill Department of Electronic, Facultad Regional Bahía Blanca, Universidad Tecnológica Nacional, Bahía Blanca, Argentine

Keywords:

PSO, frequency response, PID, robust control, QFT, AQM, heuristic optimization

Abstract

This paper formulates a robust control for variable time-delay system models. An automatic tuning method for PID-type controller is proposed. The adopted method integrates robust control design using Quantitative Feedback Theory (QFT) with Particle Swan Optimization heuristic algorithms (PSO) to systematize the loop-shaping stage. The objective of the design method is to reach a good compromise among robust stability, robust tracking and disturbance rejection with minimal control effort. The resulting algorithm has attractive features, such as easy implementation, stable convergence characteristic and good computational efficiency. In particular, the results of the control design for active queue management (AQM) systems are presented. Simulations show improved congestion control and quality of service in TCP communication networks.

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References

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Published

2015-11-01

How to Cite

Baldini, P. N., Calandrini, G., Doñate, P., & Bambill, H. (2015). PSO algorithm-based robust design of PID controller for variable time-delay systems: AQM application. Journal of Computer Science and Technology, 15(02), p. 100–106. Retrieved from https://journal.info.unlp.edu.ar/JCST/article/view/547

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Section

Original Articles