In today’s competitive marketplace demand, evaluation and selection of suppliers are pivotal for firms, and therefore decision makers need to select suppliers and the optimal order quantities when outsourcing. However, there is uncertainty and risk due to lack of precise data for supplier selection. Uncertainty can impose shortage or overstocks, because of stochastic demand, to firms; in this case, considering inventory control is essential. In this research, an appropriate spatial model is developed for a multi-product supplier selection model with service level and budget constraints. Learning Vector Quantization Neural Network is used to find the optimal number of decision variables with the goal of maximizing the expected profit of supply chains. By analyzing a practical example and conducting sensitivity analysis, we find that corporate profit will be maximized if the optimal integration of suppliers and the optimal order quantities from each supplier is determined. In addition, budget and service level should be considered in the process of finding the best result.
Accepté le :
DOI : 10.1051/ro/2018096
Mots-clés : Supply chain management, multi-supplier selection, stochastic demand, Learning Vector Quantization (LVQ) neural network, nonlinear programming optimization model
@article{RO_2019__53_5_1709_0, author = {HormozzadehGhalati, Hajar and Abbasi, Alireza and Sadeghi-Niaraki, Abolghasem}, title = {Optimal multi-product supplier selection under stochastic demand with service level and budget constraints using learning vector quantization neural network}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {1709--1720}, publisher = {EDP-Sciences}, volume = {53}, number = {5}, year = {2019}, doi = {10.1051/ro/2018096}, zbl = {1431.90057}, mrnumber = {4016530}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ro/2018096/} }
TY - JOUR AU - HormozzadehGhalati, Hajar AU - Abbasi, Alireza AU - Sadeghi-Niaraki, Abolghasem TI - Optimal multi-product supplier selection under stochastic demand with service level and budget constraints using learning vector quantization neural network JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 1709 EP - 1720 VL - 53 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018096/ DO - 10.1051/ro/2018096 LA - en ID - RO_2019__53_5_1709_0 ER -
%0 Journal Article %A HormozzadehGhalati, Hajar %A Abbasi, Alireza %A Sadeghi-Niaraki, Abolghasem %T Optimal multi-product supplier selection under stochastic demand with service level and budget constraints using learning vector quantization neural network %J RAIRO - Operations Research - Recherche Opérationnelle %D 2019 %P 1709-1720 %V 53 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2018096/ %R 10.1051/ro/2018096 %G en %F RO_2019__53_5_1709_0
HormozzadehGhalati, Hajar; Abbasi, Alireza; Sadeghi-Niaraki, Abolghasem. Optimal multi-product supplier selection under stochastic demand with service level and budget constraints using learning vector quantization neural network. RAIRO - Operations Research - Recherche Opérationnelle, Tome 53 (2019) no. 5, pp. 1709-1720. doi : 10.1051/ro/2018096. http://www.numdam.org/articles/10.1051/ro/2018096/
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