• Intuitionistic fuzzy REBA method and its application in a manufacturing company 

  Erginel, Nihal; Toptanci, S. (Springer Verlag, 2019)

  Work-related musculoskeletal disorders (WMSDs) are a major health problem. Many methods have been developed for assessing the risk level of work for WMSDs. Rapid Entire Body Assessment (REBA) method is one of the most ...

• A new diversification measurement technique in metaheuristics for vehicle routing problems 

  Acar, M.; Kaya, O. (IEOM Society, 2017)

  This article presents a technique to measure the diversification effect of local search moves in metaheuristic algorithms for solving capacitated vehicle routing problems. The diversification values calculated through this ...

• A preference based multi response decision tree approach for quality improvement in manufacturing 

  Dolgun, Leman Esra; İpekçi, A. I.; Köksal, G. (2011)

  This paper presents a multi response decision tree (DT) approach to find the process conditions that yield products with desirable quality characteristics (QCs). We propose several criteria aggregation functions to convert ...

• A performance evaluation model with fuzzy AHP for each department 

  Erginel, Nihal; Akçay, E. (Computers and Industrial Engineering, 2014)

  Performance evaluation is becoming more important due to the raising of criteria and greater awareness of personnel attributes affected by the business approach. Although there have been several approaches on performance ...

• Analyzing a Drum-Buffer-Rope scheduling system executability through simulation 

  Hasgül, S.; Kartal, Z. (2007)

  This study was carried out in a plastic workshop of a refrigerator factory to solve problems of excessive work in process. In order to provide synchronous manufacturing between Capacity Constrained Resources (CCR) and ...

• Singular optimal control problem of stochastic switching systems 

  Aghayeva, Charkaz; Alpaslan, M. (Newswood Limited, 2014)

  The work is concerned with singular stochastic optimal control problem of switching systems. Necessary condition of optimality is an important tool for solution of optimal control problems in general. Along singular controls ...

• Reducing ambulance response time: A case study 

  Sarac, T.; Akyol, E. (Computers and Industrial Engineering, 2014)

  There are six emergency medical facilities in the city center of Eskisehir and they have an average of 6.5 minute ambulance response time to emergency cases. Reducing ambulance response time increases the probability of ...

• Estimation in semi-parametric and additive regression using smoothing and regression spline 

  Aydın, Dursun; Tuzemen, M. S. (2010)

  In this paper, we try to investigate how the current account to gross domestic product (CAGDP) ratio in Turkey reacts to variations in the real effective exchange rate (REER) over the period of 1991:Q4-2007:Q3. For this ...

• 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 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 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 ...

• SIMULATION MODEL FOR AUTOMATED MULTI-STAGE PRODUCTION LINES. 

  Savsar, Mehmet; Biles, William, E. (Industrial Engineering & Management Press (Order n 257), Norcross, GA, USA, 1984)

  Reliability and productivity calculations for multi-stage production flow lines with intermediate storage units are extremely complex. When scheduled maintenance is performed on production machines, the resulting models ...

• Particle swarm optimization for facility layout problems with/out department-specific restrictions 

  Kapanoğlu, Muzaffer; Utkan, Fehime (Springer-Verlag Berlin, 2006)

  …

• The statistical analysis of coloring problems faced in ceramic floor tile industry 

  Erginel, Nihal; Doğan, B; Ay, Nuran (Trans Tech Publications LTD, 2004)

  Undesired coloring phenomenon is one of the most important problems in ceramic sector. Six Sigma is the methodology that aims to prevent the nonconformance product by reducing the variation in the process with applying ...

• 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 ...

• A Simulation Methodology for Online Process Control of Hot Mix Asphalt (Hma) Production 

  Kabadurmuş, Özgür; Pathak, Onkar; Smith, Jeffrey S.; Smith, Alice E.; Yapıcıoğlu, Haluk (IEEE, 2010)

  The quality of hot mix asphalt (HMA) is directly related to the quality of the input aggregates and the control of the production process. Many factors such as aggregate gradation and moisture level affect the quality of ...

• Disservice Representation Using the Gini Coefficient in Semi-desirable Facility Location Problems 

  Yapıcıoğlu, Haluk; Smith, Alice E. (IEEE, 2011)

  We consider various bi-objective models for the semi-desirable facility location problem. In these problems, the disservice caused by the facility is traditionally measured by distance-related objective functions. In this ...

• 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 ...

• A Hybrid NSGA-II Algorithm for Multiobjective Quadratic Assignment Problems 

  Öztürk, Zehra Kamışlı; Uluel, M. (Polish Acad Sciences Inst Physics, 2017)

  In this study, we propose a novel hybrid multiobjective evolutionary algorithm for solving multiobjective quadratic assignment problems. During the last decade, the researchers gave increasing attention to the multiobjective ...

• Sentiment Analysis: an Application to Anadolu University 

  Öztürk, Zehra Kamışlı; Çiçek, Z. I. Erzurum; Ergül, Z. (Polish Acad Sciences Inst Physics, 2017)

  Social media is a Web 2.0 platform that allows to share content and information without the limitations of time and space. Social media networks have managed to become a part of today's lifestyle and are increasingly gaining ...

Daha Fazla