On the Role of State Estimation in Real-time Scheduling

Venkatachalam Avadiappan, Christos T. Maravelias

Research output: Chapter in Book/Report/Conference proceedingChapter


We formally introduce the concept of “state” of a batch in production scheduling, we examine how this state impacts the scheduling process, and propose an approach to estimate it based on real-time plant information. We present an online scheduling algorithm based on a state-space resource task network (RTN) formulation and show why and how the resource-task interaction coefficients (which have always been thought to be constants) should be updated based on the state of the executed batches, using real-time information, to obtain better implemented solutions.

Original languageEnglish (US)
Title of host publicationComputer Aided Chemical Engineering
PublisherElsevier B.V.
Number of pages6
StatePublished - Jan 2020
Externally publishedYes

Publication series

NameComputer Aided Chemical Engineering
ISSN (Print)1570-7946

All Science Journal Classification (ASJC) codes

  • General Chemical Engineering
  • Computer Science Applications


  • State estimation
  • online scheduling
  • resource task network


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