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[41742] Artykuł:

Cost-efficient project management based on critical chain method with partial availability of resources

Czasopismo: CONTROL AND CYBERNETICS   Tom: 43, Zeszyt: 1, Strony: 95-109
ISSN:  0324-8569
Opublikowano: 2014
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału		 Liczba
punktów
Grzegorz Pawiński orcid logoWEAiIKatedra Systemów Informatycznych *5010.00  
Krzysztof Sapiecha50.00  

Grupa MNiSW:  Publikacja w recenzowanym czasopiśmie wymienionym w wykazie ministra MNiSzW (część B)
Punkty MNiSW: 10

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Keywords:

project management and scheduling  resource allocation  resource constraints  metaheuristic algorithms  parallel processing 


Abstract:

Cost-efficient project management based on Critical Chain Method (CCPM) is investigated in this paper. This is a variant of the resource-constrained project scheduling problem (RCPSP) when resources are only partially available and a deadline is given, but the cost of the project should be minimized. RCPSP is a well- known NP hard problem but originally it does not take into consideration the initial resource workload. A metaheuristic algorithm driven by a metric of a gain was adapted to solve the problem when applied to CCPM. Refinement methods enhancing the quality of the results are developed. The improvement expands the search space by inserting the task in place of an already allocated task, if a better allocation can be found for it. The increase of computation time is reduced by distributed calculations. The computational experiments showed significant efficiency of the approach, in comparison with the greedy methods and with genetic algorithm, as well as high reduction of time needed to obtain the results.


B   I   B   L   I   O   G   R   A   F   I   A
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