Browsing by Author "Ayağ, Zeki"
Now showing items 1-20 of 35
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AHP-BASED APPROACH TO EVALUATE SOLAR POWER PLANT LOCATION ALTERNATIVES
Ayağ, Zeki (Intl Inst Social & Economic Sci, 2016)Solar energy is the most readily available source of energy, and one of the most important sources of the renewable energy, because it is non-polluting and helps in lessening the greenhouse effect. Main problem of establishing ... -
Analytic Network Process (ANP) for solar power plant location problem
Ayağ, Zeki; Samanlıoğlu, Funda (Institute of Industrial Engineers, 2010)Solar energy is the most readily available source of energy and one of the most important sources of the renewable energy because it is non-polluting and helps in lessening the greenhouse effect. Main problem of establishing ... -
An analytic network process-based approach to concept evaluation in a new product development environment
Ayağ, Zeki; Özdemir, Rifat Gürcan (Taylor & Francis, 2007)Selecting the best product concept is one of the most critical tasks in a new product development (NPD) environment. Making decisions at this stage becomes very difficult due to imprecise and uncertain product requirements. ... -
An approach to evaluate CAM software alternatives
Ayağ, Zeki (TAYLOR & FRANCIS LTD, 2020)The selection process for the best computer-aided manufacturing (CAM) software among a set of potential number of alternatives in market has been critical issue for most companies that aim to make their design/manufactur ... -
Cad software evaluation for product design to exchange data in a supply chain network
Ayağ, Zeki (ExcelingTech Publishers, 2015)The sharing information in a supply chain environment especially CAD models and drawings are so important companies. So the selection of the most satisfying computer-aided design (CAD) software which enables to exchange ... -
A combined fuzzy AHP-goal programming approach to assembly-line selection
Ayağ, Zeki; Özdemir, Rıfat Gürcan (IOS Press, 2007)In mass production assembly-line balancing (ALB) problem has been a critical and repetitive issue for companies for long time. On the other hand equipment selection for stations has also been another important problem at ... -
A combined fuzzy AHP-simulation approach to CAD software selection
Ayağ, Zeki (Taylor & Francis Ltd, 2010)In this paper a combined approach where the fuzzy analytic hierarchy process (AHP) and simulation come together is presented to select the best computer-aided design (CAD) software out of the available options in the market. ... -
A comparison study of fuzzy-based multiple-criteria decision-making methods to evaluating green concept alternatives in a new product development environment
Ayağ, Zeki (EMERALD GROUP PUBLISHING LTD, 2021)Purpose In this paper, the four popular multiple-criteria decision-making (MCDM) methods in fuzzy environment are utilized to reflect the vagueness and uncertainty on the judgments of decision-makers (DMs), because the ... -
Determining master schedule of surgical operations by integer programming: A case study
Samanlıoğlu, Funda; Ayağ, Zeki; Batili, Burcin; Evcimen, Esra; Yılmaz, Gulsah; Atalay, Ozlem (Institute of Industrial Engineers, 2010)Fixed amounts of available Operating Room (OR) time compatibility of ORs and restrictions related to surgery equipment and surgeon availabilities complicate the process of preparing the master surgical schedule at hospitals. ... -
Evaluating machine tool alternatives through modified TOPSIS and alpha-cut based fuzzy ANP
Ayağ, Zeki; Özdemir, Rıfat Gürcan (Elsevier Science Bv, 2012)The problem of machine tool selection among available alternatives has been critical issue for most companies in fast-growing markets for a long time. In the presence of many alternatives and selection criteria the problem ... -
A fuzzy AHP approach for financial performance evaluation airline companies
Gürel, Sinem (Kadir Has Üniversitesi, 2012)Previous researches focused on operation performance. This thesis purposes for evaluating the financial performance of the airlines. In order to achieve financial objectives to be incorporated into the financial performance ... -
A fuzzy AHP approach to evaluating machine tool alternatives
Ayağ, Zeki; Özdemir, Rifat Gürcan (Springer, 2006)Selecting process of a machine tool has been very important issue for companies for years because the improper selection of a machine tool might cause of many problems affecting negatively on productivity precision flexibility ... -
Fuzzy AHP-GRA approach to evaluating energy sources: a case of Turkey
Ayağ, Zeki; Samanlıoğlu, Funda (EMERALD GROUP PUBLISHING LTD, 2020)Purpose Since the demand for energy has dramatically increased in the countries which have fast-growing population and economy, they have faced with a critical problem of how to evaluate a set of potential energy sources ... -
A fuzzy AHP-PROMETHEE II approach for evaluation of solar power plant location alternatives in Turkey
Samanlıoğlu, Funda; Ayağ, Zeki (IOS Press, 2017)Solar energy produced through a solar power plant is a freely available non-polluting renewable source of energy that reduces the greenhouse effect. Selecting the best location for a solar power plant among several location ... -
A fuzzy AHP-VIKOR approach for evaluation of educational use simulation software packages
Samanlıoğlu, Funda; Ayağ, Zeki (IOS Press, 2019)In this study, an intelligent, integrated approach is presented to help educators select the best simulation software package. Selecting the best simulation software package for educational use is a complex multiple criteria ... -
A Fuzzy ANP Approach To Evaluate Computer Simulation Packages
Ayağ, Zeki (Inderscience Enterprises Ltd., 2016)In this study an intelligent approach is presented to help any simulation practitioner to evaluate simulation software alternatives and determine the best satisfying one based on his/her needs. On the other hand this ... -
A fuzzy ANP-based GRA approach to evaluate ERP packages
Ayağ, Zeki; Yücekaya, Ahmet (IGI Global, 2019)One of the major problems that most companies face with during the implementation of an ERP system is to determine the best satisfying ERP software based on their needs and expectations. Because an improperly selected ERP ... -
Fuzzy ANP-Based PROMETHEE II Approach for Evaluation of Machine Tool Alternatives
Ayağ, Zeki; Samanlıoğlu, Funda (IOS Press, 2016)Machine tool selection process has been a critical issue for companies for years since improper selection of a machine tool might cause many problems affecting negatively the productivity precision flexibility and company's ... -
A fuzzy QFD approach to determine supply chain management strategies in the dairy industry
Ayağ, Zeki; Samanlıoğlu, Funda; Büyükozkan, Gülçin (Springer, 2013)The aim of this study is to identify the crucial logistics requirements and supply chain management (SCM) strategies for the dairy industry. For product or service development quality function deployment (QFD) is a useful ... -
A hesitant fuzzy linguistic terms set-based AHP-TOPSIS approach to evaluate ERP software packages
Ayağ, Zeki; Samanlıoğlu, Funda (Emerald Group Publishing Ltd, 2020)Purpose In this paper, two popular multiple-criteria decision-making (MCDM) methods with hesitant fuzzy logic approach; hesitant fuzzy analytic hierarchy process (hesitant F-AHP) and hesitant fuzzy the technique for order ...