• Stochastic redesign of mini UAV wing for maximizing autonomous flight performance 

  Çoban, Sezer (Emerald Publishing, 2023)

  PurposeThe purpose of this research paper is to recover the autonomous flight performance of a mini unmanned aerial vehicle (UAV) via stochastically optimizing the wing over certain parameters (i.e. wing taper ratio and ...

• The aerodynamic force estimation of a swept-wing UAV using ANFIS based on metaheuristic algorithms 

  Uzun, Metin; Bilgiç, Hasan Hüseyin; Çopur, Engin Hasan; Çoban, Sezer (Cambridge University Press, 2023)

  In this paper, a new approach to modeling and controlling the problems associated with a morphing unmanned aerial vehicle (UAV) is proposed. Within the scope of the study, a dataset was created by obtaining a wide range ...

• A Novel Biomimetic Wing Design and Optimizing Aerodynamic Performance 

  Uzun, Metin; Özdemir, Mustafa; Yıldırım, Çağrı Vakkas; Çoban, Sezer (Edit Publishing, 2022)

  In this article, numerical and experimental analyzes were made by adding winglet and endless blade to the tip of the airfoil to improve the wind turbine blade performance. Similarly, the change in performance was investigated ...

• Structural comparison of vertical and horizontal layout of carrying arms of rotary-wing UAV with finite element analysis 

  Kocamer, Abdullah; Çınar, Hasan; Uzun, Metin; Çoban, Sezer (European Mechanical Science, 2023)

  In this study, numerical analysis of the fuselage of a rotary wing unmanned aerial vehicle was conducted. A fuselage that is resistant to the loads on the fuselage and has maximum lightness has been designed. In this ...

• Innovative Morphing UAV Design and Manufacture 

  Çoban, Sezer; Oktay, Tuğrul (Edit Publishing, 2023)

  In this study, an unmanned aerial vehicle (UAV) with passive pre-flight and active in-flight morphing capability was designed and manufactured. First of all, conceptual design work was done. Wing and tail, which are the ...

• Simultaneous UAV having actively sweep angle morphing wing and flight control system design 

  Uzun, Metin; Oktay, Tuğrul (Emerald Publishing, 2023)

  Purpose: The purpose of this paper is to improve autonomous flight performance of an unmanned aerial vehicle (UAV) having actively sweep angle morphing wing using simultaneous UAV and flight control system (FCS) design. ...

• The mechanical effect of functionalization in laminated composite material 

  Saraçoğlu, Göksel; Ceritbinmez, Ferhat; Özkan, Vildan; Yapıcı, Ahmet (Emerald Publishing, 2023)

  PurposeThis study aims to systematically compare the effect of increasing fiber-matrix interface adhesion and matrix toughness in layered composite materials. Design/methodology/approachSilane ((3-glycidyloxypropyl) ...

• Conceptual design and optimal sizing of a small unmanned aerial vehicle with fuel cell and battery-powered hybrid propulsion system by meta-heuristic algorithms based on energy consumption 

  Çınar, Hasan; Tunçel, Süleyman; Kandemir, İlyas; Gözel, Tuba (Taylor and Francis, 2023)

  In this paper, a new conceptual design methodology for a hybrid propulsion system consisting of the battery and hydrogen fuel cells is presented based on the minimum energy consumption of the UAV. In this context, an ...

• The modified residual property model for fracture mechanics 

  Saraçoğlu, Göksel (Kauno Technologijos Universitetas, 2023)

  In this paper, the application requirement of the Residual Property Model based on the decrescent exponential function is reduced to only one mechanical test datum. For this, by using Creager , Paris's elastic stress field ...

• Obtaining the Fracture Resistance Curve Using the General Displacement 

  Saraçoğlu, Göksel (Kauno Technologijos Universitetas, 2023)

  In this paper, the energy release energy corre-sponding to the unit crack propagation obtained from the displacement-controlled load-displacement plot is equalized to the elastic energy release rate, and the variation of ...

• Using the Stress Concentration Factor in Determining the Fracture Toughness 

  Saraçloğlu, Göksel (Kauno Technologijos Universitetas, 2022)

  This paper offers the use of stress concentration factor in determining the critical fracture stress and fracture toughness of polymeric composite materials at various crack length ratios. The stress intensity factor has ...

• The Theoretical Value for the Tip Radius of Cracks and Notches 

  Saraçloğlu, Göksel (Kauno Technologijos Universitetas, 2022)

  In this paper, an additional equation that can be used in conjunction with the Stress Intensity Factor is produced, enabling the determination of all critical fracture stresses, including tensile strength, from only one ...

• MALE UAV selection in interval Type-2 fuzzy sets environment 

  Çoban, Sezer; Kiracı, Kasım; Akan, Ercan; Uzun, Metin (IOS Press BV, 2022)

  Unmanned Aerial Vehicles (UAVs) are increasingly used in the military field. Especially in recent years, UAVs have been a very effective instrument in gaining airspace superiority and military success. Many countries compete ...

• Simultaneous swept anhedral helicopter blade tip shape and control-system design 

  Şal, Fırat (Emerald Group Holdings Ltd., 2022)

  Purpose: This paper aims to offer a simultaneous design approach for helicopter having swept anhedral blade tip shape and helicopter flight control system (HFCS) to minimize controller cost. Design/methodology/approach: ...

• Electrically Driven VTOL Flying Car Designing and Aerodynamic Analysis 

  Uzun, Metin; Çoban, Sezer (Avrupa Bilim ve Teknoloji Dergisi, 2021)

  In this study, the design of the electric powered VTOL Flying car was made in the CAD program, and the longitudinal, vertical and lateral flight dynamics were examined and aerodynamic analysis was made. In the design, the ...

• MWCNTs doped GFRPs drilling: crosscheck among holes obtained by alternative manufacturing methods 

  Ceritbinmez, Ferhat; Özkan, Vildan; Saraçoğlu, Göksel; Yapıcı, Ahmet (Springer, 2021)

  In this study, the holes of glass fiber reinforced polymer (GFRP) and multi-walled carbon nanotubes (MWCNTs) doped GFRP composite materials were drilled using abrasive water jet (AWJ), CO2 laser cutting, orbital drilling, ...

• Katı Yakıtlı Roket ALP-01 Tasarımı, Modellemesi ve Simülasyonu 

  Bilgiç, Hasan Hüseyin; Çoban, Sezer; Yapıcı, Ahmet (Avrupa Bilim ve Teknoloji Dergisi, 2019)

  Bu çalışmada katı yakıtlı alçak irtifa roketi ALP-01’in CAD tasarımı yapılmıştır. 1500 metre irtifa için roket boyutları; seçilen motor için optimize edilmiştir. Burun konisi geometrisi olarak Parabolik tip tercih edilmiş ...

• Different Autopilot Systems Design For a Small Fixed Wing Unmanned Aerial Vehicle 

  Çoban, Sezer (Avrupa Bilim ve Teknoloji Dergisi, 2019)

  The aim of this study is to design an autopilot system for Unmanned Aerial Vehicle (UAV) in a small size and to compare the efficiency of the systems designed with different methods. For this purpose, linearized equations ...

• Pasif Başkalaşımın Çıkış Varyansı Kısıtlı Kontrolcü İle Yönlendirilen İha Üzerinde Etkileri 

  Şal, Fırat (Avrupa Bilim ve Teknoloji Dergisi, 2020)

  Bu çalışma çıkış varyansı kısıtlı kontrolcü (OVC) ile yönlendirilen pasif başkalaşım yeteneğine sahip İHA’lar hakkında yeni sonuçlar sunmaktadır. Kanat ve kuyruk takımının uçak uzunlamasına ekseninde belli aralıklarda ...

• Improving Autonomous Performance of a Passive Morphing Fixed Wing UAV 

  Çoban, Sezer; Bilgiç, Hasan Hüseyin; Akan, Ercan (Kauno Technologijos Universitetas, 2020)

  In this article, simultaneous longitudinal and lateral flight control systems design for both passive and active morphing unmanned aerial vehicles (UAVs) is first time applied for autonomous flight performance maximization. ...

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