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Trim Loss Optimization by an Improved Differential Evolution

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  • Musrrat Ali
  • Chang Wook Ahn
  • Millie Pant

Abstract

The “trim loss problem” (TLP) is one of the most challenging problems in context of optimization research. It aims at determining the optimal cutting pattern of a number of items of various lengths from a stock of standard size material to meet the customers’ demands that the wastage due to trim loss is minimized. The resulting mathematical model is highly nonconvex in nature accompanied with several constraints with added restrictions of binary variables. This prevents the application of conventional optimization methods. In this paper we use synergetic differential evolution (SDE) for the solution of this type of problems. Four hypothetical but relevant cases of trim loss problem arising in paper industry are taken for the experiment. The experimental results compared with those of the other techniques show the competence of the SDE to solve the problem.

Suggested Citation

  • Musrrat Ali & Chang Wook Ahn & Millie Pant, 2013. "Trim Loss Optimization by an Improved Differential Evolution," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-8, July.
    • Handle: RePEc:hin:jnlmpe:706350
    DOI: 10.1155/2013/706350
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