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Havacılık ve Uzay Teknolojileri Dergisi
ISSN 1304-0448 · Turkish Air Force Academy · 393 articles in the index
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Journal Article
Comparative Performance Analysis of Optimized Deep Learning and Machine Learning Models in Malware Detection
The widespread adoption of smartphones has made them increasingly vulnerable to malware, posing significant risks to the security of sensitive user information. This work investigates the detection of Android malware using advanced machine learning and deep learning techniques. We use the…
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Journal Article
Saturation Resolving Control AllocationDesign for an Over-actuated VTOL Drone
Vertical take-off landing (VTOL) drones have been widely used in recent years, and many unique configurations have emerged thanks to their design flexibility. Some of these are over-actuated systems. Therefore, control solution is not unique. Moreover, control channels and effectors (i.e…
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Journal Article
The Effects of Lasing Time and Range Factors on Impact Angle and Target Deviation in Generic Laser-Guided Bombs
The laser guided bombs aresemi-active laser-guided precision strike munitions, designed to carry out attacks with high accuracy directed at the target. The laser guidance systemsilluminate the target precisely, ensuring high accuracy for both stationary and moving targets, thereby reducing civilian…
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Journal Article
Ground-Based UAV Detection and Tracking: A Comparative Analysis
As technology progresses, unmanned aerial vehicles (UAVs) have gained considerable popularity across both military and civilian domains, owing to benefits like affordability, ease of manufacturing, and a notable payload capacity for their size.However, the illegal use of UAVs has also increased…
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Journal Article
Evaluating Drone-Based Inspections in Philippine General Aviation: A Study on Feasibility and Readiness
The rise of drone technology offers promising enhancements to inspection practices in general aviation (GA), especially for light aircraft in the Philippines,where manual methods prevail. This study assesses the feasibility and readiness for drone-based inspections using a multi-method qualitative…
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Journal Article
Automated Landing Aid System Based on Visual Detection
Since the invention of the aircraft, the need forrunways for takeoff and landing only overland haslimited their uses. However, this situation has changed with the invention of aircraft carriers. An aircraft carrier with its flight deck is a warship that acts as an open-sea air base, and it is used…
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Journal Article
Modeling and Gain-Scheduled Control Design for a Turboshaft Engine in Helicopter Applications
This paper presents the modeling and control design for a turboshaft engine. Nonlinear dynamic models of the engine were linearized at various operating pointsand controllers were designed for each linearized model to ensure optimal performance under specific operating conditions. To ensure smooth…
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Journal Article
CFD Coupled Structural Topology Optimization forAircraft Wings
In aviation, weight is crucial for aircraft performance and payload capacity. Traditional design methods, which rely on trial and error, aim to create lightweight and strong structures but can be time-consuming. Topology optimization, a mathematical technique, speeds up finding the optimal material…
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Journal Article
Impact Response of Carbon Fiber Sandwich Panels with Honeycomb Core by using Experimental, Numerical and Analytical Methods
n this study, the low-and high-velocity impact behavior of carbon fiber composite sandwich panels was investigated using numerical, experimental, and analytical methods. The damage mechanism on the sandwich panel was investigated in terms of ballistic limit, energy absorption, and projectile…
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Journal Article
Thermal Buckling of Functionally Graded Biocompatible Foam Beams
This study examined functionally graded foam beam thermal buckling. The functionally graded beam was made of biocompatible Ti6Al4V metal (bottom surface) and ceramic zirconia (top surface), which changed function with thickness. Three types of foam structures were assumed along the functionally…
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Journal Article
Optimizing Drone Deployment for Network Coverage Using a Hybrid Ant Colony Optimization and Reinforcement Learning Approach
The efficient deployment of drones to establish an effective communication network is a challenging problem in a variety of use cases, from disaster management to rural coverage. In this study, we present a hybrid optimization strategy using Ant Colony Optimization (ACO) and Deep Reinforcement…
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Journal Article
Thermodynamic Assessment of Hydrogen as an Eco-Friendly Alternative Fuel in Aircraft Engine Performance
The aviation industry is increasingly seeking alternative fuels to reduce its reliance on fossil fuels and mitigate environmental impacts. Hydrogen emerges as a promising candidate due to its high energy content and zero carbon-based emissions. This study evaluates hydrogen's thermodynamic…
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Journal Article
Whirl Flutter Stability Improvement with PID-Controlled Aileron and Rudder
Whirl flutter is a stability problem that arises from the interaction of aerodynamic, inertial, elastic, and gyroscopic forces and moments generated by rotating propellers or rotor blades. While efforts to prevent whirl flutter are typically addressed during the design phase through analyses and…
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Journal Article
Obsolescence Management in Defense Industry Satellite Projects
As new technical solutions emerge with developing technology, availability of spare parts and suppliers utilized for continued maintainability of satellite systems throughout their service lives diminishes on a yearly basis. Consequently, older technology becomes harder to support, with subsystems…
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Journal Article
Assessing Ergonomic Risk Loads on Pilots Across Diverse Aircraft Types
Work-related musculoskeletal disorders (WMSDs) are health problems that occur in muscles, tendons, ligaments, joints, and nerves as a result of exposure to ergonomic risk factors in the workplace. Ergonomic risk burden is a measure of a worker's risk of developing musculoskeletal disorders (MSDs)…
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Journal Article
Effect of Taper Configuration on the Aerodynamic Load Distribution and Efficiency of Wings in Steady Flow
In this study, three different taper configurations are analyzed to determine the optimum taper ratio. Vortex Lattice Method is utilized to obtain the aerodynamic loads including lift, drag, induced drag. The taper ratio is varied between 0.1 to 1.0 and the analyses are performed at a fixed angle…
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Journal Article
Hysteresis and Damping Analysis of Tensegrity Structures through Nonlinear Finite Element Modeling
Tensegrity structures, composed solely of axial load carrying elements, have been considered for space applications from various aspects. Resilient tensegrity-based robots, designed for the exploration of celestial bodies, are planned to be launched from spacecraft in orbit and require no…
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Journal Article
Development of Capture the Flag Platform for Cyber Security Education
The objective of this study was to develop a webbased platform to increase the interest of students who are new to cybersecurity and to help them acquire security paradigms in a multidimensional way. The main objective of the study was to provide an effective gateway to cybersecurity by increasing…
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Journal Article
An Experimental Study on Flow Control at Low Reynolds Numbers Using DBD Plasma Actuators on NACA 4412 Airfoil
Flow separation is a crucial issue in aeronautics and astronautics, particularly at low Reynolds numbers. Active flow control (AFC) techniques show promise in addressing this problem. However, further research is needed to fully integrate these systems onto air vehicles. Due to their low weight…
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Journal Article
Optimizing EEG-Based Cognitive State Classification with Feature-CNN in Aviation: A Comparative Analysis
Within the aviation industry and the data science community, the integration of neurosphysiological measurements, particularly EEG data analysis has become prominent. The biggest concern in aviation is safety. Pilots are one of the most important factors in ensuring this safety. If we can…