A robust fractional order controller for an EAF electrode position system

V. Feliu-Batlle, R. Rivas-Perez, F. J. Castillo-Garcia, C. A. Rodriguez-Martinez

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

3 Citas (Scopus)

Resumen

This paper proposes a simple fractional-order controller with a PI structure for controlling the position of the electrodes of an electric arc furnace (EAF). The dynamics of one of the three electrodes of an industrial EAF process was experimentally identified. Models of the electrode position system and the furnace electrical system (electric arc impedance model) were obtained. This identification procedure yielded an equivalent fourth order plus time delay transfer function, and showed strong plant parameter variations and measured and unmeasured disturbances. We therefore propose a new methodology for the design of fractional-order robust controllers for this system. By carrying out a partial inversion of the dynamics, a method for fractional-order robust control of first order plus time delay plants was developed and applied to this process. It was shown that the attained controllers significantly outperformed the robustness achieved with PI and PID controller (also combined with the partial dynamics inversion term), while adding only moderate complexity to the control structure.

Idioma originalInglés
Título de la publicación alojada19th IFAC World Congress IFAC 2014, Proceedings
EditoresEdward Boje, Xiaohua Xia
EditorialIFAC Secretariat
Páginas10670-10675
Número de páginas6
ISBN (versión digital)9783902823625
DOI
EstadoPublicada - 2014
Publicado de forma externa
Evento19th IFAC World Congress on International Federation of Automatic Control, IFAC 2014 - Cape Town, Sudáfrica
Duración: 24 ago. 201429 ago. 2014

Serie de la publicación

NombreIFAC Proceedings Volumes (IFAC-PapersOnline)
Volumen19
ISSN (versión impresa)1474-6670

Conferencia

Conferencia19th IFAC World Congress on International Federation of Automatic Control, IFAC 2014
País/TerritorioSudáfrica
CiudadCape Town
Período24/08/1429/08/14

Huella

Profundice en los temas de investigación de 'A robust fractional order controller for an EAF electrode position system'. En conjunto forman una huella única.

Citar esto