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Journal Articles Asian Journal of Control Year : 2015

Robust-Adaptive Control Strategies for a Time Delay Bioelectrochemical Process Using Interval Observers

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Abstract

The paper addresses the design and the analysis of adaptive and robust-adaptive control strategies for a complex recycled wastewater treatment bioprocess. The design procedures are developed under the realistic assumptions that the bacterial growth rates are unknown and the influent flow rates are time-varying and uncertain, but some lower and upper bounds of these uncertainties are known. The proposed control structures are achieved by combining a linearizing control law with an appropriately (asymptotic or interval based) state observer and with a parameter estimator used for on-line estimation of unknown kinetics. These approaches are applied to a complex time delay bioprocess resulting from the association of a recycling bioreactor with an electrochemical reactor. Numerical simulations are performed in order to validate the proposed algorithms.

Dates and versions

hal-01256895 , version 1 (15-01-2016)

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Emil Petre, Sihem Tebbani, Dan Selisteanu. Robust-Adaptive Control Strategies for a Time Delay Bioelectrochemical Process Using Interval Observers. Asian Journal of Control, 2015, 17 (5), pp.1767-1778. ⟨10.1002/asjc.997⟩. ⟨hal-01256895⟩
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