Yazar "Kececi, Baris" için listeleme
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Development of a Computer Application for Multi-Response Taguchi Optimization
Ic, Yusuf Tansel; Duran, Hikmet; Kececi, Baris; Ilik, Emrecan; Bilgic, Berkan (2016)In this study, a computer application has been developed for the parameter optimization problem having maximum three quality characteristics and three parameters having three levels for each parameter. When the quality ... -
Development of a new hesitant fuzzy ranking model for NTMP ranking problem
Atalay, Kumru Didem; Ic, Yusuf Tansel; Kececi, Baris (2021)Nontraditional manufacturing processes (NTMPs) bring the processing capabilities such as machining high strength and hard materials with desired accuracies and surface finish to the manufacturing companies. Therefore, there ... -
Heterogeneous Vehicle Routing Problem with Simultaneous Pickup and Delivery: Mathematical Formulations and A Heuristic Algorithm
Kececi, Baris; Altiparmak, Fulya; Kara, Imdat (2015)One of the most important operational decisions in the logistics management is to determine the vehicle routes serving the customers. The Vehicle Routing Problem (VRP) can be defined as the determination of the optimal ... -
Inter City Bus Scheduling with Central City Location and Trip Selection
Guden, Huseyin; Kececi, Baris; Karatas, Mumtaz; Yakici, Ertan (2020)This study considers a real-life inter-city bus scheduling problem that incorporates central city locations and trip selection sub-problems. We seek to determine the size of the bus fleet, the cities to be served, the ... -
A Mathematical Formulation And Heuristic Approach For The Heterogeneous Fixed Fleet Vehicle Routing Problem With Simultaneous Pickup And Delivery
Kececi, Baris; Altiparmak, Fulya; Kara, Imdat (2021)This study considers a variant of the vehicle routing problem (VRP) called the heterogeneous VRP with simultaneous pickup and delivery (HVRPSPD). The HVRPSPD may broadly be defined as identifying the minimum cost routes ... -
A mixed integer programming formulation for Smashed Sums puzzle: Generating and solving problem instances
Kececi, Baris (2021)Playing mind games and puzzles has 2500 years of known history. Puzzles and games constitute a research domain that is attracting the interest of scientists from numerous disciplines such as artificial and computational ... -
Opposition-Based Variable Neighborhood Descent Algorithm for the Traveling Salesperson Problem with Hotel Selection
Akpinar, Ipek Damla; Kececi, Baris (2022)In this study, The Traveling Salesperson Problem with Hotel Selection (TSPHS) is considered. TSPHS includes daily working time/distance restrictions. This constraint does not allow visiting all points at once. For this ... -
An optimization for milling operation of Kevlar fiber-epoxy composite material using factorial design and goal programming methods
Ic, Yusuf Tansel; Elaldi, Faruk; Kececi, Baris; Uzun, Gozde Onder; Limoncuoglu, Nur; Aksoy, Irem (2019)Kevlar fiber-epoxy composite material is extensively used in manufacturing areas because of the advantages of composite material's characteristics. It is usually processed by traditional machining methods but the drawbacks ... -
Resource Constrained Multi-project Scheduling: Application in Software Company
Kurt, Pelin Akyil; Kececi, Baris (2019)Project scheduling is a common problem of today's companies, which have project type production system. Project scheduling is a mechanism to communicate what tasks need to get done and which organizational resources will ... -
Selective generalized travelling salesman problem
Derya, Tusan; Dinler, Esra; Kececi, Baris (2020)This paper introduces the Selective Generalized Traveling Salesman Problem (SGTSP). In SGTSP, the goal is to determine the maximum profitable tour within the given threshold of the tour's duration, which consists of a ... -
Topsis Based Taguchi Optimization of Machining Characteristics in End Milling Operation of Kevlar-Epoxy Composites
Ic, Yusuf Tansel; Elaldi, Faruk; Kececi, Baris (2016)In this study, the surface quality of an end milling operation on Kevlar-epoxy composite material has been investigated. This article presents a study on design of experiment for optimized cutting parameters in the end ... -
WEEE estimation and determination of collection points: A case for the Municipality of Cankaya
Kececi, Baris; Dengiz, Orhan; Dengiz, Berna; Sumer, Emre; Kilic, Aybuke; Ceki, Ece; Inan, Bedia; Cicek, Selda (2018)Electrical-electronic waste (WEEE) is generated from electric and electronic devices at the end of their lifecycles. When WEEEs are disposed, burned or disassembled for recycling, they are transformed into products containing ...