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Título: PID controller based on a self-adaptive neural network to ensure qos bandwidth requirements in passive optical networks
Autor: Merayo, Noemí
Juárez, David
Aguado, Juan Carlos
De Miguel, Ignacio
Durán Barroso, Ramón José
Fernández, Patricia
Lorenzo, Rubén Mateo
Abril Domingo, Evaristo José
Año del Documento: 2017
Editorial: Institute of Electrical and Electronics Engineers (IEEE)
Descripción: Producción Científica
Documento Fuente: IEEE/OSA Journal of Optical Communications and Networking, 2017, Volume 9, Issue 5, pp. 433 - 445
Resumen: In this paper, a proportional-integral-derivative (PID) controller integrated with a neural network (NN) is proposed to ensure quality of service (QoS) bandwidth requirements in passive optical networks (PONs). To the best of our knowledge, this is the first time an approach that implements a NN to tune a PID to deal with QoS in PONs is used. In contrast to other tuning techniques such as Ziegler-Nichols or genetic algorithms (GA), our proposal allows a real-time adjustment of the tuning parameters according to the network conditions. Thus, the new algorithm provides an online control of the tuning process unlike the ZN and GA techniques, whose tuning parameters are calculated offline. The algorithm, called neural network service level PID (NNSPID), guarantees minimum bandwidth levels to users depending on their service level agreement, and it is compared with a tuning technique based on genetic algorithms (GASPID). The simulation study demonstrates that NN-SPID continuously adapts the tuning parameters, achieving lower fluctuations than GA-SPID in the allocation process. As a consequence, it provides a more stable response than GA-SPID since it needs to launch the GA to obtain new tuning values. Furthermore, NN-SPID guarantees the minimum bandwidth levels faster than GA-SPID. Finally, NN-SPID is more robust than GA-SPID under real-time changes of the guaranteed bandwidth levels, as GA-SPID shows high fluctuations in the allocated bandwidth, especially just after any change is made.
Palabras Clave: Red neuronal (NN)
Red óptica pasiva (PON)
Neural network (NN)
Passive optical network (PON)
ISSN: 1943-0639
Revisión por Pares: SI
DOI: https://doi.org/10.1364/JOCN.9.000433
Patrocinador: Ministerio de Ciencia e Innovación (Projects TEC2014-53071-C3-2-P and TEC2015-71932-REDT)
Version del Editor: https://ieeexplore.ieee.org/document/7926828
Propietario de los Derechos: © 2017 Optical Society of America
Idioma: eng
URI: http://uvadoc.uva.es/handle/10324/33487
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:DEP71 - Artículos de revista

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