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Annals of Operations Research

, Volume 57, Issue 1, pp 147–173 | Cite as

The nesting problem in the leather manufacturing industry

  • Jörg Heistermann
  • Thomas Lengauer
Article

Abstract

The part-nesting problem is the problem of arranging a set of plane irregularly shapedparts on a plane irregularly shapedsurface, such that no parts overlap and as much of the surface is covered as possible. This problem occurs, e.g., in the textile and clothing industry, and one of the most challenging applications appears in the manufacturing of leather, e.g., in the furniture, car, clothing, and shoe industry. This application is characterized by a high degree of inhomogeneity of the surface as well as the parts and by severe restrictions on run time. We present an algorithmic method for computer-aided nesting in this context. The algorithm is characterized by selective data reduction, sequential part placement, a topological part fitting process, and a carefully tuned evaluation function for partial placements. Experiments show that the method is competitive with human nesters, for relatively nicely behaved part sets and surfaces.

Keywords

Evaluation Function Data Reduction Shoe Sequential Part Manufacturing Industry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© J.C. Baltzer AG, Science Publishers 1995

Authors and Affiliations

  • Jörg Heistermann
    • 2
  • Thomas Lengauer
    • 1
    • 2
  1. 1.Department of Computer ScienceUniversity of BonnBonnGermany
  2. 2.Institute for Algorithms and Scientific ComputingGerman National Research Center for Computer Science (GMD)Sankt AugustinGermany

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