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Wyświetlanie 1-2 z 2
Tytuł:
Fuzzy programming for multi-choice bilevel transportation problem
Autorzy:
Arora, Ritu
Gupta, Kavita
Powiązania:
https://bibliotekanauki.pl/articles/2100292.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
bilevel programming
transportation problem
fuzzy programming
goal programming
tolerance limit
satisfactory solution
Opis:
Multi-choice programming problems arise due to the diverse needs of people. In this paper, multichoice optimization has been applied to the bilevel transportation problem. This problem deals with transportation at both the levels, upper as well as lower. There are multiple choices for demand and supply parameters. The multi-choice parameters at the respective levels are converted into polynomials which transmute the defined problem into a mixed integer programming problem. The objective of the paper is to determine a solution methodology for the transformed problem. The significance of the formulated model is exhibited through an example by applying it to the hotel industry. The fuzzy programming approach is employed to obtain a satisfactory solution for the decision-makers at the two levels. A comparative analysis is presented in the paper by solving the bilevel multi-choice transportation problem with goal programming mode as well as by the linear transformation technique. The example is solved using computing software.
Źródło:
Operations Research and Decisions; 2021, 31, 3; 5--21
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of an EPQ model in an imprecise environment with defuzzification by the centroid method under inflation
Autorzy:
Arora, Ritu
Chauhan, Anand
Sharma, Renu
Singh, Anubhav Pratap
Powiązania:
https://bibliotekanauki.pl/articles/2175846.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
fuzzy production inventory model
selling price dependent demand
inflation
triangular fuzzy number
trapezoidal fuzzy number
centroid method
Opis:
The awareness of making decisions in an imprecise environment has resulted in considering the inventory system under a fuzzy approach. The effects of uncertain demand have been finding increased application in many inventory systems. Uncertainty creates complicated situations for the manufacturer in making decisions. Markets have become more competitive as a result of technological advancements. The effect of inflation on the overall cost of the inventory system is useful in providing a tool for the analysis of inventory decisions. This study intended to estimate the effect of different fuzzy numbers on a manufacturer's annual joint expected total cost. The comparative study of this proposed model has been considered for two different fuzzy numbers with the defuzzification technique as the centroid method. The optimization technique has been used to minimize the producer’s joint expected total cost under the condition mentioned earlier, and the model is validated numerically.
Źródło:
Operations Research and Decisions; 2022, 32, 3; 32--48
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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