Başlık için Havacılık ve Uzay Bilimleri Fakültesi listeleme
Toplam kayıt 110, listelenen: 89-108
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Real-time tuning of PID controller based on optimization algorithms for a quadrotor
(Emerald Group Publishing Ltd., 2021)Purpose This study aims to develop a quadrotor with a robust control system against weight variations. A Proportional-Integral-Derivative (PID) controller based on Particle Swarm Optimization and Differential Evaluation ... -
A Review of Financial Performance of Aircraft Leasing Companies
(Edit Publishing, 2022)The Covid-19 pandemic has caused many industries, especially the air transport industry, to experience a crisis. It is important to analyze the change in the financial performance of global aircraft leasing companies, one ... -
Risk mitigation in service industries: A research agenda on container shipping
(Elsevier, 2023)Shipping lines face various marketing risks, with outcomes that need to be mitigated. A current, serious, example of this has been the COVID19 pandemic and the severe supply chain disruptions that followed it. During such ... -
Rulman Hasarlarının Titreşim ve Gürültü Analizi ile Tespiti
(Avrupa Bilim ve Teknoloji Dergisi, 2021)Rulmanlar, yüksek hızlarda ağır yüklerin taşınmasını sağlayan, aynı zamanda çok düşük yuvarlanma kayıplarına sahip olan dönel makinaların vazgeçilmez parçası olarak endüstride yaygın olarak kullanılan makine parçalarıdır. ... -
Shape modification of Ahmed body to reduce drag coefficient and determination of turbulence model
(Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2021)In this study, the aerodynamic analysis of Ahmed body which is generic automobile model is performed to determine convenient turbulence model and reduce drag coefficient by modifying shape of model. For this ... -
Simultaneous Longitudinal and Lateral Flight Control Systems Design for Both Passive and Active Morphing TUAVs
(Kauno Technologijos Universitetas, 2017)In this article, simultaneous longitudinal and lateral flight control systems design for both passive and active morphing tactical unmanned aerial vehicles (TUAVs) is first time applied for autonomous flight performance ... -
Simultaneous swept anhedral helicopter blade tip shape and control-system design
(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: ... -
Simultaneous tailplane of small UAV and autopilot system design
(Emerald Group Publishing Ltd, 2019)Purpose The purpose of this paper is to rise the autonomous flight performance of the small unmanned aerial vehicle (UAV) using simultaneous tailplane of UAV and autopilot system design. Design/methodology/approach A small ... -
Simultaneous UAV having actively sweep angle morphing wing and flight control system design
(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. ... -
Stochastic redesign of mini UAV wing for maximizing autonomous flight performance
(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 ... -
Structural comparison of vertical and horizontal layout of carrying arms of rotary-wing UAV with finite element analysis
(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 ... -
A study on microstructural and mechanical properties of gas tungsten arc welded thick cryogenic 9% Ni alloy steel butt joint
(Elsevier, 2022)Low alloy steel plates containing 9% Ni are generally preferred in the production of LNG storage tanks, due to their outstanding combination of properties such as excellent toughness, high ductility and crack re-sistance ... -
Sustainability and Financial Performance: Examining the Airline Industry
(Springer, 2022)The air transport industry has numerous social, cultural and economic benefits. The sector plays a major role in the economic and social development of countries, cities and regions. The air transport industry enables ... -
The Theoretical Value for the Tip Radius of Cracks and Notches
(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 ... -
TiO2 Katkılı Elmas-Benzeri Karbon Filmlerin Yeni Bir Çözeltiden Üretilmesi ve Karakterizasyonları
(Zonguldak Bülent Ecevit Üniversitesi, 2022)Elmas-benzeri karbon (EBK) filmler gösterdikleri mekanik ve fiziksel özelliklerinden dolayı en çok çalışılan kaplama malzemeleridir. Bu filmlerin özelliklerinin iyileştirilmesi için üretim yöntemleri ve katkılanmaları ... -
Tree-shaped fractal metamaterial multiband absorber for C- and X-band applications
(Taylor and Francis Ltd., 2022)Recently, multiband metamaterial absorbers have gained considerable attention from research and development communities due to their applications in filtering, stealth, and sensing. However, these multiband absorbers are ... -
Turistlerin TripAdvisor Üzerinden Havayolu İşletmelerine Yönelik E-Şikâyetlerinin İncelenmesi
(Journal of Tourism and Gastronomy Studies, 2020)Günümüzde teknolojinin hızlı gelişimi ile turistler, seyahatlerine yönelik şikâyetlerini, bu hizmeti sunan işletmelere doğrudan iletebilmektedir. Ayrıca, seyahatleriyle ilgili deneyimlerine yönelik tavsiye ve şikâyetlerini ... -
A Turkish Text Classification Based Feature Selection and Density Peaks Clustering
(Institute of Electrical and Electronics Engineers Inc., 2023)Text classification, a well-known Natural Language Processing (NLP) task, can be defined as the process of categorizing documents according to their content. In this process, the selection of classification algorithms and ... -
Türkiye’de Havaalanı Performansının CRITIC temelli EDAS Yöntemiyle Analizi
(Muş Alparslan Üniversitesi, 2022)Hava taşımacılığı endüstrisi özellikle ikinci dünya savaşından sonra hızlı bir değişim ve dönüşüm dönemine girmiştir. Bu dönemden sonra ilk aşamada, havayolu işletmelerinin yapısal değişim yaşadığı, sonraki aşamada ise ... -
Using the Stress Concentration Factor in Determining the Fracture Toughness
(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 ...
