This paper develops a method to solve multi-level multi-objective linear fractional programming problem (ML-MOLFPP) with interval parameters as the coefficients of decision variables and the constants involved in both the objectives and constraints. The objectives at each level are transformed into interval-valued fractional functions and approximated by intervals of linear functions using variable transformation and Taylor series expansion. Interval analysis and weighting sum method with analytic hierarchy process (AHP), are used to determine the non-dominated solutions at each level from which the aspiration values of the controlled decision variables are ascertained and linear fuzzy membership functions are constructed for all the objectives. Two multi-objective linear problems are equivalently formulated for the ML-MOLFPP with interval parameters and fuzzy goal programming is used to compute the optimal lower and upper bounds of all the objective values. A numerical example is solved to demonstrate the proposed solution approach.
Accepté le :
DOI : 10.1051/ro/2018063
Mots-clés : Multi-level multi-objective optimization, linear fractional programming, interval parameters, fuzzy goal programming
@article{RO_2019__53_5_1601_0, author = {Nayak, Suvasis and Ojha, Akshay}, title = {On multi-level multi-objective linear fractional programming problem with interval parameters}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {1601--1616}, publisher = {EDP-Sciences}, volume = {53}, number = {5}, year = {2019}, doi = {10.1051/ro/2018063}, mrnumber = {4016087}, zbl = {1431.90155}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/ro/2018063/} }
TY - JOUR AU - Nayak, Suvasis AU - Ojha, Akshay TI - On multi-level multi-objective linear fractional programming problem with interval parameters JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 1601 EP - 1616 VL - 53 IS - 5 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/ro/2018063/ DO - 10.1051/ro/2018063 LA - en ID - RO_2019__53_5_1601_0 ER -
%0 Journal Article %A Nayak, Suvasis %A Ojha, Akshay %T On multi-level multi-objective linear fractional programming problem with interval parameters %J RAIRO - Operations Research - Recherche Opérationnelle %D 2019 %P 1601-1616 %V 53 %N 5 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2018063/ %R 10.1051/ro/2018063 %G en %F RO_2019__53_5_1601_0
Nayak, Suvasis; Ojha, Akshay. On multi-level multi-objective linear fractional programming problem with interval parameters. RAIRO - Operations Research - Recherche Opérationnelle, Tome 53 (2019) no. 5, pp. 1601-1616. doi : 10.1051/ro/2018063. http://archive.numdam.org/articles/10.1051/ro/2018063/
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