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Robustness and visualization of blend's production

Abstract : The oil blending process (BP) consists in determining the optimal proportions to blend from a set of available components such that the final product fulfills a set of specifications on their properties. Two important characteristics of the blending problem are the hard bounds on the blend's properties and the uncertainty pervading the process. In this work, a real-time optimization method is proposed for producing robust blends while minimizing the blend quality giveaway and the recipe's cost. The method is based on the Robust Optimization techniques and under the assumption that the components properties blend linearly. The blending intrinsic polytopes are exploited in order to measure, visualize and characterize the infeasibility of the BP. A fine analysis of the components bounds modifications is conducted to guide the process towards the ``best`` robust blend. A set of indices and visualizations provide a helpful support for the decision maker.
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Submitted on : Thursday, December 1, 2011 - 5:54:12 PM
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Jorge Antonio Aguilera Cabanas. Robustness and visualization of blend's production. General Mathematics [math.GM]. Université de Grenoble, 2011. English. ⟨NNT : 2011GRENM052⟩. ⟨tel-00647297⟩

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