Analysis of uncertainties in a structure of parts

  • Authors:

  • Alan Fleming

  • Affiliations:

  • Department of Artificial Intelligence, University of Edinburgh, Edinburgh, UK

  • Venue:
  • IJCAI'85 Proceedings of the 9th international joint conference on Artificial intelligence - Volume 2
  • Year:
  • 1985

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Abstract

A structure built from parts will not fit perfectly. The amount of uncertainty in the relative positions of the parts can be predicted from the dimensions of the mated parts and their tolerances. The tolerances and sizes of the parts features are analysed for each possible contact in turn to find constraints on the part positions. The combined effect of these constraints is then found allowing decisions to be made on whether the parts fit satisfactorily. Applications include tolerance checking during design and off-line programming of robot assembly.