Fuzzy knowledge-based approach to treating uncertainty in inventory control

Dobrila Petrovic, Edward Sweeney

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


Inventory control in complex manufacturing environments encounters various sources of uncertainity and imprecision. This paper presents one fuzzy knowledge-based approach to solving the problem of order quantity determination, in the presence of uncertain demand, lead time and actual inventory level. Uncertain data are represented by fuzzy numbers, and vaguely defined relations between them are modeled by fuzzy if-then rules. The proposed representation and inference mechanism are verified using a large numbers of examples. The results of three representative cases are summarized. Finally a comparison between the developed fuzzy knowledge-based and traditional, probabilistic approaches is discussed.
Original languageEnglish
Pages (from-to)147-152
Number of pages6
JournalComputer Integrated Manufacturing Systems
Issue number3
Publication statusPublished - Aug 1994


  • inventory control
  • fuzzy set
  • knowledge-based system
  • approximate reasoning


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