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Article Dans Une Revue Journal of Process Control Année : 2010

Feedback control and optimization for the production of commercial fuels by blending

Résumé

This paper presents a control algorithm for blending systems. Such systems are used in refining to produce mixtures having specified properties from several components. The underlying control problem is multi-variable, with constraints on the inputs and outputs, and involves large uncertainties. To address this complexity, a constrained optimization problem is formulated, while the uncertainties are treated in closed-loop by an estimator of the components properties. Besides a theoretical study of the main algorithm and a study of convergence, the paper presents numerous technical details that are needed to solve blending problems as they appear in refining operations. Among them are a general lack of measurements, variable delays, measurement synchronization, infeasibilities management, hydraulic constraints, and pre-blends. Industrial case-studies are provided and stress the relevance of the approach.
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Dates et versions

hal-00465535 , version 1 (22-03-2010)

Identifiants

Citer

M. Chèbre, Yann Creff, Nicolas Petit. Feedback control and optimization for the production of commercial fuels by blending. Journal of Process Control, 2010, 20 (4), pp.441-451. ⟨10.1016/j.jprocont.2010.01.008⟩. ⟨hal-00465535⟩
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