Rolling-horizon algorithm for scheduling under time-dependent utility pricing and availability

Pedro M. Castro*, Iiro Harjunkoski, Ignacio E. Grossmann

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

This work addresses the scheduling of continuous single-stage multiproduct plants with energy intensive processing tasks and time-dependent electricity cost and power supply. A new rolling horizon algorithm is proposed that consists of a planning model to predict the production levels and a continuous-time model for detailed scheduling. The results from a set of test problems from the literature show that the algorithm can generate global optimal solutions much more rapidly than standalone discrete or continuous-time formulations in problems involving unlimited power availability.

Original languageEnglish
Pages (from-to)1171-1176
Number of pages6
JournalComputer Aided Chemical Engineering
Volume28
Issue numberC
DOIs
Publication statusPublished - 2010
MoE publication typeA1 Journal article-refereed

Keywords

  • Continuous-time
  • Electricity
  • Planning
  • Resource-task network

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