Gain-scheduling multivariable LPV control of an irrigation canal system

ISA Trans. 2016 Jul:63:274-280. doi: 10.1016/j.isatra.2016.03.009. Epub 2016 May 13.

Abstract

The purpose of this paper is to present a multivariable linear parameter varying (LPV) controller with a gain scheduling Smith Predictor (SP) scheme applicable to open-flow canal systems. This LPV controller based on SP is designed taking into account the uncertainty in the estimation of delay and the variation of plant parameters according to the operating point. This new methodology can be applied to a class of delay systems that can be represented by a set of models that can be factorized into a rational multivariable model in series with left/right diagonal (multiple) delays, such as, the case of irrigation canals. A multiple pool canal system is used to test and validate the proposed control approach.

Keywords: Gain scheduling; Linear parameter varying control; Open-flow canals.