A novel solution approach for quality-based retrimming optimization

Iiro Harjunkoski*, Marco Fahl

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)


In this work, we present a novel mathematical programming formulation for solving the re-trimming problem. The proposed approach leads to optimal or close-to-optimal solutions with the effect of a significant reduction in quality loss, i.e. the economical loss based on degraded quality. The model introduced is able to consider quality profiles along the jumbo-reel as well as the requireements attached to each roll providing a geometric representation on the trim-loss problem.

Original languageEnglish
Pages (from-to)1395-1400
Number of pages6
JournalComputer Aided Chemical Engineering
Issue numberC
Publication statusPublished - 2006
MoE publication typeA1 Journal article-refereed


  • cutting stock
  • jumbo-reel quality
  • re-trimming
  • Trim-loss problem


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