Fractional order controller robust to time delay variations for water distribution in an irrigation main canal pool

V. Feliu-Batlle, R. Rivas-Perez, F. J. Castillo-Garcia

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

68 Citas (Scopus)

Resumen

This paper proposes a new strategy for the control of water distribution in an irrigation main canal pool characterized by large time-varying time delays. Time delays may change drastically in an irrigation main canal pool as a consequence of variations in its hydraulic operation regime. An original methodology is developed to design fractional order PI controllers combined with Smith predictors that yield control systems which are robust to changes in the process time delay. This methodology is applied to solve the problem of effective water distribution control in an irrigation main canal pool. Simulated results of standard PI and PID controllers plus a Smith predictor are compared with the controller developed in this paper when applied to the dynamic model of a real irrigation main canal pool. The simulation results show that the proposed controller outperforms standard controllers in terms of performance and robustness.

Idioma originalInglés
Páginas (desde-hasta)185-197
Número de páginas13
PublicaciónComputers and Electronics in Agriculture
Volumen69
N.º2
DOI
EstadoPublicada - dic. 2009
Publicado de forma externa

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