Production scheduling of a large-scale industrial continuous plant: Short-term and medium-term scheduling

Munawar A. Shaik, Christodoulos A. Floudas, Josef Kallrath, Hans Joachim Pitz

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Citations (Scopus)


In this work, we describe short-term and medium-term scheduling for a largescale industrial continuous plant. For medium-range scheduling, two subproblems are solved using a rolling horizon based decomposition scheme. An upper-level model is used to find the optimal number of products, and length of the time horizon to be considered for solving the lower level short-term scheduling problem. At the lower level, we proposed an improved model for short-term scheduling of continuous processes using unit-specific event-based continuous-time representation. The proposed formulation is demonstrated on an industrial large-scale polymer compounding plant comprising several processing and storage units operating in a continuous-mode for producing hundreds of different products over one month time horizon.

Original languageEnglish
Title of host publication17th European Symposium on Computer Aided Process Engineering
EditorsValentin Plesu, Paul Serban Agachi
Number of pages6
Publication statusPublished - 2007
Externally publishedYes

Publication series

NameComputer Aided Chemical Engineering
ISSN (Print)1570-7946


  • Short-term scheduling
  • continuous process
  • continuous-time
  • event based
  • medium-term scheduling
  • state-task-network.
  • storage

ASJC Scopus subject areas

  • General Chemical Engineering
  • Computer Science Applications


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