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Batch scheduling and control decision levels are usually optimized separately, even though integrated decisions would
potentially increase the overall performance of the plant. This work aims at including in the scheduling problem the operating
conditions related to the control function, which are traditionally optimized and fixed beforehand, to shed light to the benefits that may be obtained when using variable recipes in contrast to fixed nominal recipes. A multiproduct and amultipurpose plant illustrate the proposed approach. In both cases, the potential benefits are confirmed resulting in clear advantages regarding overall economic benefit, when the variable recipes are introduced. Thus, the presented approach gives rise to new tradeoffs, since it allows new improvement opportunities associated with quality, safety, or changing operating policies, which are usually considered separately.
CitationCapon-García, E.; Moreno, M.; Espuña, A. Improved short-term batch scheduling flexibility using variable recipes. "Industrial & engineering chemistry research", 04 Maig 2011, vol. 50, núm. 9, p. 4983-4992.
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