%0 Journal Article %T Uma nova heur¨ªstica para o problema de minimiza£¿£¿o de trocas de ferramentas %A Chaves %A Ant£¿nio Augusto %A Senne %A Edson Luiz Fran£¿a %A Yanasse %A Horacio Hideki %J Gest£¿o & Produ£¿£¿o %D 2012 %I Universidade Federal de S?o Carlos %R 10.1590/S0104-530X2012000100002 %X the minimization of tool switches problem (mtsp) seeks a sequence to process a set of jobs so that the number of tool switches required is minimized. this study presents a new heuristic for the mtsp. this heuristic has two phases: a constructive phase, based on a graph where the vertices correspond to tools and there is an arc k = (i, j) linking vertices i and j if and only if the tools i and j are required to execute some job; and an improvement phase, based on an iterated local search. computational results show that the proposed heuristic has a good performance on the instances tested contributing to a significant reduction in the number of nodes generated by an enumerative algorithm. %K scheduling %K tool switches %K heuristic %K graph %K metaheuristic. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0104-530X2012000100002&lng=en&nrm=iso&tlng=en