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Volume 6 | Issue 6 | Year 2016 | Article Id. IJCOT-V37P306 | DOI : https://doi.org/10.14445/22492593/IJCOT-V37P306
Intuitionistic Fuzzy Optimization of Truss Design: A Comparative Study
Biswajit Singh, Mridula Sarkar, Tapan Kumar Roy
Citation :
Biswajit Singh, Mridula Sarkar, Tapan Kumar Roy, "Intuitionistic Fuzzy Optimization of Truss Design: A Comparative Study," International Journal of Computer & Organization Trends (IJCOT), vol. 6, no. 6, pp. 25-33, 2016. Crossref, https://doi.org/10.14445/22492593/IJCOT-V37P306
Abstract
In this paper, we have developed an intuitionistic fuzzy optimization (IFO) approach considering non-linear membership and non-membership function for optimizing the design of plane truss structure with single objectives subject to a specified set of constraints. In this optimum design formulation, the objective functions are the weight of the truss; the design variables are the cross-sections of the truss members; the constraints are the stresses in members. A classical truss optimization example is presented here in to demonstrate the efficiency of the Intuitionistic fuzzy optimization approach with non-linear membership function. We made a comparative study of linear and non-linear membership and non-membership function to see its impact on intuitionistic fuzzy optimization and to get to the depth of such optimization process. The test problem consists of a two-bar planar truss subjected to a single load condition. This single-objective structural optimization model is solved by intuitionistic fuzzy optimization approach with non-linear membership and non-membership function. Numerical example is given to illustrate our approach. The result shows that the IFO approach is very efficient in finding the best discovered optimal solutions.
Keywords
Intuitionistic fuzzy optimization, Non-linear membership function, Non-linear non-membership function, Structural design.
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