Optimisation of product quality and minimisation of its variation in climate controlled operations

G.J.C. Verdijck, G. van Straten, H.A. Preisig

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)


An optimisation procedure is presented for direct control of product quality of agro-material and minimisation of its quality variation. The procedure builds on a previously presented model structure, which is briefly reviewed, together forming a methodological framework for direct product quality control in climate controlled operations. The economic-based optimisation procedure is part of a hierarchical control structure and utilizes the model to achieve the required control. The result is a trade-off between operational cost and product quality. The characteristic variation in natural products is treated by a lumped approach, which uses discretised quality classes to describe not only product quality but also a measure of its variation. Although direct measurement of product properties is often difficult, the approach is validated using both simulated and measured data. The procedure has been implemented and tested in a full-scale industrial operation of storing large quantities of potatoes, using recorded real data to illustrate the benefits of the procedure
Original languageEnglish
Pages (from-to)103-122
JournalComputers and Electronics in Agriculture
Issue number2
Publication statusPublished - 2005


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