This paper considers a preemptive multi-skilled resource constrained project scheduling problem in a just-in-time environment where each activity has an interval due date to be completed. In this problem setting, resuming a preempted activity requires an extra setup cost, while each time unit violation from the given due date incurs earliness or tardiness penalty. Also, processing cost of each skill to execute any activity depends on the assigned staff member to accomplish the skill. The objective function of the model aims to minimize the total cost of allocating staff to skills, earliness–tardiness penalties and preemption costs. Two integer formulations are proposed for the model which are compared in terms of number of variables, constraints and elapsed run-time to optimality. Furthermore, an ant colony based metaheuristic is developed to tackle real life scales of the proposed model. This algorithm relies on two intelligent local search heuristics. Parameters of the algorithm are calibrated using Taguchi method. The results of the experiments for the proposed algorithm confirm that the proposed algorithm has satisfying performance.
Mots-clés : Multi-skilled, project scheduling, due date, preemption, ant colony optimization
@article{RO_2019__53_5_1877_0, author = {Maghsoudlou, Hamidreza and Afshar-Nadjafi, Behrouz and Niaki, Seyed Taghi Akhavan}, title = {Preemptive multi-skilled resource constrained project scheduling problem with hard/soft interval due dates}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {1877--1898}, publisher = {EDP-Sciences}, volume = {53}, number = {5}, year = {2019}, doi = {10.1051/ro/2018103}, mrnumber = {4021873}, zbl = {1431.90068}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ro/2018103/} }
TY - JOUR AU - Maghsoudlou, Hamidreza AU - Afshar-Nadjafi, Behrouz AU - Niaki, Seyed Taghi Akhavan TI - Preemptive multi-skilled resource constrained project scheduling problem with hard/soft interval due dates JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 1877 EP - 1898 VL - 53 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018103/ DO - 10.1051/ro/2018103 LA - en ID - RO_2019__53_5_1877_0 ER -
%0 Journal Article %A Maghsoudlou, Hamidreza %A Afshar-Nadjafi, Behrouz %A Niaki, Seyed Taghi Akhavan %T Preemptive multi-skilled resource constrained project scheduling problem with hard/soft interval due dates %J RAIRO - Operations Research - Recherche Opérationnelle %D 2019 %P 1877-1898 %V 53 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2018103/ %R 10.1051/ro/2018103 %G en %F RO_2019__53_5_1877_0
Maghsoudlou, Hamidreza; Afshar-Nadjafi, Behrouz; Niaki, Seyed Taghi Akhavan. Preemptive multi-skilled resource constrained project scheduling problem with hard/soft interval due dates. RAIRO - Operations Research - Recherche Opérationnelle, Tome 53 (2019) no. 5, pp. 1877-1898. doi : 10.1051/ro/2018103. http://www.numdam.org/articles/10.1051/ro/2018103/
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