Yazar "Erginel, Nihal" için Endüstri Mühendisliği Bölümü listeleme
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Construction of a fuzzy QFD failure matrix using a fuzzy multiple-objective decision model
Erginel, Nihal (Taylor & Francis LTD, 2010)Global competition has forced companies to consider increasing quality and decreasing all costs, including quality costs. When constructing the quality plan for both the incoming raw materials and the manufacturing process, ... -
Determining the Criteria and Evaluating Six Sigma Projects via Fuzzy ANP method in Group Decision
Altıntaş, Merve; Erginel, Nihal; Küçük, Gamze (Elsevier Science BV, 2016)Six Sigma is a well-structured methodology based to detect and reduce the variation on design and production process. Six sigma helps to achieve the company's goals by driving the six sigma projects throughout the company. ... -
Estimating Fuzzy Life Time with a Fuzzy Reliability Function in the Appliance Sector
Erginel, Nihal; Saraçoğlu, Hande; Yıldız, Gülay; Şentürk, Sevil (Springer International Publishing Ag, 2018)Reliability is defined as the length of time a component works without failing. The reliability function shows an estimate for the probable amount of time a component should work without experiencing failure. Fuzzy set ... -
Evaluating the Packing Process in Food Industry Using Fuzzy X ~ and S ~ Control Charts
Erginel, Nihal; Şentürk, Sevil; Kahraman, Cengiz; Kaya, İhsan (Atlantis Press, 2011)The fuzzy set theory addresses the development of concepts and techniques for dealing with uncertainty or impression conditions. If the collected data from a process include vagueness due to human subjectively or measurement ... -
Evaluating the packing process in food industry using fuzzy and [stilde] control charts
The fuzzy set theory addresses the development of concepts and techniques for dealing with uncertainty or impression conditions. If the collected data from a process include vagueness due to human subjectively or measurement ... -
Fuzzy (p)over-tilde control chart
Erginel, Nihal (World Scientific Publ Co Pte LTD, 2008)Control charts are very useful tool for monitoring and analyzing the processes. When the quality characteristics cannot be represented in numerical form, like softness, appearance, chapped, damaged, etc., control charts ... -
Fuzzy Dea Approach to Solve the Location Selection of Wind Energy
Erginel, Nihal; Yalçınkaya, Merve; Şentürk, Sevil (World Scientific Publ Co Pte LTD, 2012)Wind energy is an important energy source among the renewable energies, in nowadays. Turkey has many wind energy locations due to the appropriate weather conditions. The problem of location selection of wind energy depends ... -
Fuzzy EWMA and Fuzzy CUSUM Control Charts
Erginel, Nihal; Şentürk, Sevil (Springer Int Publishing Ag, 2016)Exponentially Weighted Moving- Averages (EWMA) and Cumulative-Sum (CUSUM) control charts have the ability of detecting small shifts in the process mean. Classical EWMA and CUSUM charts are not capable to capture the ... -
Fuzzy individual and moving range control charts with ?-cuts
Erginel, Nihal (2008)In Statistical Process Control (SPC), both variable and attribute control charts are widely used techniques to monitor and evaluate the process with respect to the related quality characteristics. In variable control charts, ... -
Fuzzy individual and moving range control charts with alpha-cuts
Erginel, Nihal (Ios Press, 2008)In Statistical Process Control (SPC), both variable and attribute control charts are widely used techniques to monitor and evaluate the process with respect to the related quality characteristics. In variable control charts, ... -
Fuzzy multi-objective decision model for calibration supplier selection problem
Erginel, Nihal; Geçer, Ayşe (Pergamon-Elsevier Science LTD, 2016)Quality products and competitively priced services are crucial in today's global markets. To provide quality at an acceptable price, companies seek out not only raw material and product suppliers but also calibration ... -
Fuzzy multi-objective programming algorithm for vehicle routing problems with backhauls
Yalçın, Gülçin Dinç; Erginel, Nihal (Pergamon-Elsevier Science LTD, 2015)The vehicle routing problem with backhauls (VRPB) is an extension of the standard vehicle routing problem. VRPB has two sets of customers: linehaul customers and backhaul customers. The aim of this study is to propose a ... -
A Fuzzy multiple objective decision model to select the significant qualty characteristics of a product
Erginel, Nihal (2007)Prioritization the significant quality characteristics are considerable area in quality planning process. All quality characteristics of a product can not be measured/ tested incoming department or production line due to ... -
Fuzzy p˜ control chart
Erginel, Nihal (2008)Control charts are very useful tool for monitoring and analyzing the processes. When the quality characteristics cannot be represented in numerical form, like softness, appearance, chapped, damaged, etc., control charts ... -
Fuzzy rule-based (p)over-tilde and n(p)over-tilde control charts
Erginel, Nihal (Ios Press, 2014)In a process using monitoring with p-control charts or np-control charts, due to the uncertainty of the attribute data, traditional control charts may be insufficient. In this case, fuzzy control charts are pertinent control ... -
Fuzzy Statistical Process Control Techniques in Production Systems
Kahraman, Cengiz; Gülbay, Murat; Erginel, Nihal; Şentürk, Sevil (Springer-Verlag Berlin, 2010)Crisp Shewhart control charts monitor and evaluate a process as "in control" or "out of control" whereas the fuzzy control charts do it by using suitable linguistic or fuzzy numbers by offering flexibility for control ... -
Hata Türü ve Etkileri Analizi ve Kalite Fonksiyon Yayılımı İle Bir İnşaat Firması İçin Risk Değerlendirmesi
Toptancı, Şura; Erginel, Nihal (2017)Risk kavramı, 1920'li yıllardaki ekonomik ve teknolojik gelişmeler ile daha önemli hale gelmiştir. Risklerin sistemli bir şekilde kontrolü, iyi bir risk yönetimi ile mümkün olabilir. Risk değerlendirmesi, risk yönetiminin ... -
A Heuristic Based on Multi Objective Linear Programming Under Fuzziness for the Vehicle Routing Problem
Yalçın, Gülçin Dinç; Erginel, Nihal (World Scientific Publ Co Pte LTD, 2012)A heuristic is proposed for the Vehicle Routing Problem in this study. The heuristic has two phases that are named as clustering phase and routing phase, and also it has a local search. Firstly customers are assigned to ... -
How process factors affect ceramic tile color
Erginel, Nihal; Ay, Nuran (Amer Ceramic Soc, 2005)… -
Intelligent Systems in Total Quality Management
Erginel, Nihal; Şentürk, Sevil (Springer-Verlag Berlin, 2015)Total Quality Management (TQM) is a widely known and applied concept by organizations for continuous improvement in the workplace. This philosophy is based on eight main principles: customer focus, leadership, involvement ...