Extendible classification of design and manufacturing features

O. Owodunni, D. Mladenov, S. Hinduja

Research output: Contribution to journalArticlepeer-review


This paper discusses three different issues in feature classification. It proposes a complete taxonomy to cater for prismatic and rotational features which can be positive or negative. It also suggests a feature definition that makes it feasible for the feature library to be extendible without additional programming effort. A unique code is given to each feature so as to avoid redundancy and ensure consistency of labelling the feature faces. This labelling is achieved by a novel formalisation method based on a newly found graph-theoretical property of a B-rep model. Results for one of the several components investigated are included.
Original languageEnglish
Pages (from-to)103-106
Number of pages3
JournalCIRP Annals - Manufacturing Technology
Issue number1
Publication statusPublished - 2002


  • Feature classification
  • Feature library
  • Feature recognition


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