This paper addresses a complex suppliers selection problem with multiple products, considering minimum package quantities, minimum order values related to delivery costs and discounted pricing schemes. Its main contribution is to present an integer linear programming (ILP) model for this suppliers selection problem as well as a model to analyse the impact of prices change. Furthermore, a hybrid heuristic and a genetic algorithm to obtain feasible solutions for this problem are presented. Several randomly generated examples are solved by using the above two models and the heuristic approaches. Experimental results demonstrate the robustness of the genetic algorithm and allow to realize which are the most important decisions in the suppliers selection problem.
Accepté le :
DOI : 10.1051/ro/2017075
Mots-clés : Suppliers selection, multi-product, heuristics, genetic algorithm
@article{RO_2019__53_3_887_0, author = {Rodrigues, Filipe and Requejo, Cristina}, title = {Suppliers selection problem with quantity discounts and price changes: {A} heuristic approach}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {887--901}, publisher = {EDP-Sciences}, volume = {53}, number = {3}, year = {2019}, doi = {10.1051/ro/2017075}, zbl = {1423.90122}, mrnumber = {3975705}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ro/2017075/} }
TY - JOUR AU - Rodrigues, Filipe AU - Requejo, Cristina TI - Suppliers selection problem with quantity discounts and price changes: A heuristic approach JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 887 EP - 901 VL - 53 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2017075/ DO - 10.1051/ro/2017075 LA - en ID - RO_2019__53_3_887_0 ER -
%0 Journal Article %A Rodrigues, Filipe %A Requejo, Cristina %T Suppliers selection problem with quantity discounts and price changes: A heuristic approach %J RAIRO - Operations Research - Recherche Opérationnelle %D 2019 %P 887-901 %V 53 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2017075/ %R 10.1051/ro/2017075 %G en %F RO_2019__53_3_887_0
Rodrigues, Filipe; Requejo, Cristina. Suppliers selection problem with quantity discounts and price changes: A heuristic approach. RAIRO - Operations Research - Recherche Opérationnelle, Tome 53 (2019) no. 3, pp. 887-901. doi : 10.1051/ro/2017075. http://www.numdam.org/articles/10.1051/ro/2017075/
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