Selecting The Best Hotel Using The Fuzzy-Moora Method With a New Combined Weight Approach

2018 ◽  
Author(s):  
Feyza Gurbuz ◽  
Gizem Erdinc
Keyword(s):  
Moora Method ◽  
Fuzzy Moora

Energy Center Selection in G7 Industry With Fuzzy MOORA

2021 ◽  
pp. 87-106
Author(s):  
Serhat Yüksel ◽  
Alexey Mikhaylov ◽  
Lyubov Khomyakova
Keyword(s):  
The Other ◽  
G7 Countries ◽  
Market Risks ◽  
Investment Demand ◽  
Other Hand ◽  
Energy Center ◽  
Energy Companies ◽  
Moora Method ◽  
Fuzzy Moora ◽  
Selection Of

In this study, energy center selection of G7 countries is examined. In this context, firstly, the studies in the literature have been evaluated in detail, and seven different criteria have been determined which may affect this selection. Taking these seven different criteria into consideration, G7 countries are ranked by fuzzy MOORA method according to energy center selection performance. According to the results, Japan and Germany are the most successful countries. On the other hand, it was concluded that France and Italy ranked last in terms of energy center selection performance. Hence, especially the countries in the last rankings should be more careful in selecting energy center. In this framework, the customer potential, the training profiles of the customers, the potential of the company with investment demand, the previous payment performance of these companies, and the market risks should be considered by the energy companies while opening new branches.

Application of fuzzy MOORA method in the design and fabrication of an automated hammering machine

2020 ◽  
Vol 18 (1) ◽  
pp. 37-49
Author(s):  
Ikuobase Emovon ◽  
Oghenenyerovwho Stephen Okpako ◽  
Edith Edjokpa
Keyword(s):  
Material Selection ◽  
Content Type ◽  
Performance Effectiveness ◽  
Alternative Materials ◽  
Fuzzy Gra ◽  
Optimal Material ◽  
Selection Methodology ◽  
Grey Relational ◽  
Moora Method ◽  
Fuzzy Moora

Purpose In most developing countries riveting, upset forging and punching operations among others are performed using manual hammering technique. The use of the manual method increases production time and reduces efficiency. The use of the manual approach is predominantly due to the high cost of imported automated hammering machines (AHM) which the majority of the end-users are incapable of acquiring. The purpose of this paper, therefore, is to produce an AHM that is affordable using an effective material selection methodology in the design and fabrication process. Design/methodology/approach The material selection methodology proposed is the fuzzy multi-objective optimisation on the basis of the ratio analysis (MOORA) method. The tool was used to evaluate and determine the optimum material for the major of the components of the AHM from amongst alternative materials while considering several decision criteria. A case study of the shaft was applied to demonstrate the suitability of the proposed technique. The AHM components design is then carried out and machine fabricated and tested to ascertain performance effectiveness. Findings The result of the fuzzy MOORA evaluation showed that alloy steel is the optimal material for the shaft. The fuzzy MOORA approach was compared with the fuzzy Vlsekriterijumska Optimizacija Ikompromisno Resenje (VIKOR) and fuzzy grey relational analysis (GRA) methods to validate the proposed method. The fuzzy MOORA method produces completely the same result with the fuzzy VIKOR and fuzzy GRA methods. The machine was then designed, constructed and tested and found to be effective for the purpose of the design. Originality/value This is significant as no such study has been published by any other researcher to the best of our knowledge in this area.

scholarly journals Fuzzy-MOORA Based Optimization of Machining Parameters for Machinability Enhancement of Titanium

2021 ◽  
Vol 8 (2) ◽  
pp. 189-198
Author(s):  
Durwesh Jhodkar ◽  
Akhtar Khan ◽  
Kapil Gupta
Keyword(s):  
Surface Roughness ◽  
Cutting Force ◽  
Process Parameters ◽  
Flank Wear ◽  
Cutting Speed ◽  
Depth Of Cut ◽  
Machining Parameters ◽  
Tool Flank Wear ◽  
Moora Method ◽  
Fuzzy Moora

The aim of this study is to determine the optimal combination of process parameters when machining commercially pure titanium grade 2. The unification of Multi objective optimization based on ratio analysis (MOORA) and fuzzy approach has applied to optimize the process parameters. Three process parameters i.e. cutting speed, tool overhang, and microhardness have been varied at three levels each and a total of twenty seven experiments have been conducted based on Taguchi’s L27 design of experiment technique. Cutting force, tool flank wear, and average surface roughness have been considered a machinability indicators to measure the process performance. Feed rate and depth of cut have been kept constant. Successful optimization is done and results show that machining titanium at higher cutting speed (140 m/min) and higher tool overhang length (65 mm) with medium hardness (1934 HV) results in lower cutting force, tool flank wear, and surface roughness. Outcomes of the present work reveal that the hybrid fuzzy-MOORA method is convincing enough to obtain the best process parameter combination for the best machinability while machining titanium type difficult-to-machine materials.

Application of the MOORA Method for Multi-Criteria Inventory Classification

2017 ◽  
Vol 31 (6) ◽  
pp. 15
Author(s):  
Bivash Mallick ◽  
Bijan Sarkar ◽  
Santanu Das
Keyword(s):  
Moora Method

scholarly journals Optimization of WEDM Process Parameters on Machining of AZ91 Magnesium alloy using MOORA method

2018 ◽  
Vol 390 ◽  
pp. 012107 ◽  
Author(s):  
A. Muniappan ◽  
Mantri Sriram ◽  
C. Thiagarajan ◽  
G. Bharathi Raja ◽  
T. Shaafi
Keyword(s):  
Magnesium Alloy ◽  
Process Parameters ◽  
Az91 Magnesium Alloy ◽  
Az91 Magnesium ◽  
Moora Method ◽  
Wedm Process

scholarly journals AN EXTENSION OF THE RATIO SYSTEM APPROACH OF MOORA METHOD FOR GROUP DECISION-MAKING BASED ON INTERVAL-VALUED TRIANGULAR FUZZY NUMBERS

2015 ◽  
Vol 22 (1) ◽  
pp. 122-141 ◽  
Author(s):  
Dragisa STANUJKIC
Keyword(s):  
Decision Making ◽  
Group Decision Making ◽  
System Approach ◽  
Fuzzy Numbers ◽  
Group Decision ◽  
Weighted Averaging ◽  
Performance Ratings ◽  
Triangular Fuzzy Numbers ◽  
Moora Method ◽  
Interval Valued

Decision-making in fuzzy environment is often a very complex, especially when related to predictions and assessments. The Ratio system approach of the MOORA method and Intervalvalued fuzzy numbers have already proved themselves as the effective tools for solving complex decision-making problems. Therefore, in this paper an extension of the Ratio system approach of the MOORA method, which allows a group decision-making as well as the use of interval-valued triangular fuzzy numbers, is proposed. Interval-fuzzy numbers are rather complex, and therefore, they are not practical for direct assigning performance ratings. For this reason, in this paper it has also been suggested the approach which allows the expression of individual performance ratings using crisp, interval or fuzzy numbers, and their further transformation into the group performance ratings, expressed in the form of interval-valued triangular fuzzy numbers, which provide greater flexibility and reality compared to the use of linguistic variables. Finally, in this paper the weighted averaging operator was proposed for defuzzification of interval-valued triangular fuzzy numbers.

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