A Scatter Search Based Approachfor the Quadratic Assignment

نویسندگان

  • Van-Dat Cung
  • Thierry Mautor
  • Philippe Michelon
چکیده

In this report, we are mainly interested in Scatter Search which is an evolutionary heuristic, proposed two decades ago, that uses linear combination of a population subset to create new solutions. A special operator is used to ensure their feasibility and to improve their quality. We propose hereafter a Scatter Search approach to the Quadratic Assignment Problem (QAP) problem. The basic method is extended with intensiication and diversiication stages and we present a procedure to generate good scattered initial solutions. Recherche Dispers ee pour le Probl eme de l'AAectation Quadratique R esum e : Dans ce rapport, nous nous int eressons a la \Recherche Dispers ee", une m ethode heuristique qualii ee d'\ evolutionniste" et propos ee il y a deux d ecennies par Fred Glover. La Recherche Dispers ee est fond ee principalement sur l'utilisation de la combinaison lin eaire d'un sous-ensemble d'une population pour engendrer de nouvelles solutions. Un op erateur sp ecial est egalement int egr e dans la m ethode aan d'assurer la r ealisabilit e et la qualit e des solutions. Nous proposons ci-apr es une approche de la Recherche Dispers ee pour le probl eme de l'AAectation Quadratique. La m ethode de base est enrichie des etapes d'intensiication et de diversiication. De m^ eme, une proc edure permettant d'engendrer des solutions initiales bien dispers ees est pr esent ee.

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تاریخ انتشار 1997