Solving robot selection problem by a new interval-valued hesitant fuzzy multi-attributes group decision method

Authors

  • B. Vahdani Faculty of Industrial and Mechanical Engineering‎, ‎Qazvin Branch‎, ‎Islamic Azad University‎, ‎Qazvin‎, ‎Iran.
  • H. Gitinavard‎ Young Researchers and Elite Club‎, ‎South Tehran Branch‎, ‎Islamic Azad University‎, ‎Tehran‎, ‎Iran.
  • H. Hashemi‎ Young Researchers and Elite Club‎, ‎South Tehran Branch‎, ‎Islamic Azad University‎, ‎Tehran‎, ‎Iran
  • S. M. ‎Mousavi‎ Department of Industrial Engineering‎, ‎Faculty of Engineering‎, ‎Shahed University‎, ‎Tehran‎, ‎Iran.
Abstract:

‎Selecting the most suitable robot among their wide range of specifications and capabilities is an important issue to perform the hazardous and repetitive jobs‎. ‎Companies should take into consideration powerful group decision-making (GDM) methods to evaluate the candidates or potential robots versus the selected attributes (criteria)‎. ‎In this study‎, ‎a new GDM method is proposed by utilizing the complex proportional assessment method under interval-valued hesitant fuzzy (IVHF)-environment‎. ‎In the proposed method‎, ‎a group of experts is established to evaluate the candidates or alternatives among the conflicted attributes‎. ‎In addition‎, ‎experts assign their preferences and judgments about the rating of alternatives and the relative importance of each attribute by linguistic terms which are converted to interval-valued hesitant fuzzy elements (IVHFEs)‎. ‎Also‎, ‎the attributes’ weights and experts’ weights are applied in procedure of the proposed interval-valued hesitant fuzzy group decision-making (IVHF-GDM) method‎. ‎Hence‎, ‎the experts’ opinions about the relative importance of each attribute are considered in determination of attributes’ weights‎. ‎Thus‎, ‎we propose a hybrid maximizing deviation method under uncertainty‎. ‎Finally‎, ‎an illustrative example is presented to show the feasibility of the proposed IVHF-GDM method and also the obtained ranking results are compared with a recent method from the literature‎.

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Journal title

volume 8  issue 3

pages  231- 240

publication date 2016-08-01

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