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Beside statistical approaches to classify psychiatric disorders artificial intelligence methods have also valuable impact and contribution to the field. Since artificial intelligence approach requires engineering perspective competence to handle the combination of multiple methods covering feature extraction, selection, feature reduction and classification approach, statistical approach is vital to...
Nowadays, unmanned aerial vehicles became an important research area. Search and rescue, transportation, fire monitoring, commercial and journalism, military and defence, crop spraying and scientific research are some of the areas which UAVs can be used [1,2]. Because of their agile manoeuvrability, quadcopters are often used for controller designs. In this paper a sliding mode controller is developed...
Especially, technologies like Internet of Things or Wireless Sensor Networks rely on communication of devices over wireless networks. In these kinds of applications, devices need measurement of relative state of other devices in the network as well as environmental parameters. Relative distance between the devices is one of the important parameters to be measured. In this work we propose a measurement...
This paper presents the system designed to detect and solve the errors occurred at air conditioners placed in cabinets of GSM base stations and to limit operations of these air conditioners to decrease overall energy consumption of base stations. Any stop errors of air conditioners are detected and solved by restarting the air conditioners with this system. Restarting operations have been operated...
Refractive index (RI) is one of the physical properties of material, such as boiling/ melting point, density, and elasticity. As one of the distinctive features of the material, measurement of the RI is nowadays used in many areas including the food, oil and petroleum industry, biomedical applications, and environmental analysis. In recent years, fiber optic based refractometers become highly popular...
It is crucial for the energy market to predict the generated wind power of a wind park one day ahead. However, the error rate of the wind power prediction is high due to i) the natural fact that the behaviour of wind is stochastic, non-stationary and intermittent, ii) the fact that the relation between produced wind power and instant wind speed is nonlinear. In this study, a novel approach that is...
In this study, olive oil adulteration which is the big concern for food industry, is aimed to detect by using phase diffraction method. Ideal geometric fiber optic is immersed in sample liquid, diffracted laser light is examined. The mathematical expression of the diffracted field is evaluated numerically according to the Fresnel diffraction theory. Mathematical model is compared to normalized experimental...
Nowadays, microgrids composed of distributed generators including renewable energy sources have appeared as alternative to conventional electrical energy structure in terms of higher efficiency, reliability, sustainability, lower electrical losses and environmental pollution. However, one of the most significant obstacles that prevent the widespread application of microgrids is the insufficiency of...
In electricity generation, there is a tendency towards renewable energy sources in order to supply the increased electricity demand and in an effort to generate electricity with less environmental damages. The Sun is a significant renewable energy source and photovoltaic (PV) panels are one of the most commonly used systems in electricity generation by utilizing solar energy. Germany is the leader...
In this study, the position and angle of the plate that has different characteristics are determined by using the image processing algorithms in MATLAB environment and plates are carried by 4-axis robot mechanism. Firstly, different geometric shapes and different colors plates (red triangle, a blue frame, etc.) are positioned according to the specified options after the plates are distinguished and...
In this study, double sided electric-LC resonator (DELC) and double sided asymmetric electric-LC resonator (DAELC), which is designed to improve the mutual capacitance in the DELC, have been proposed as an alternative to double sided split ring resonator (DSRR) whose usage is available in sensor applications in literature. For the performance analyses of the proposed structures, the sensitivity of...
In this study, a model related between pitch angle and elevator deflection angle of an aircraft is derived. Based on this model integer order and fractional order PID controller is designed. Genetic algorithm is used as optimization method to determine the controller parameters. Fitness function is evaluated during the optimization process to find controller coefficients to minimize. Controllers are...
Next generation wireless communications systems are built on highly-adaptive components in order to meet the ever-increasing requirements and to keep up with the dynamically changing environmental conditions. Software-defined radio (SDR) is considered among vital components of next generation wireless communications due to its capabilities such as spectrum monitoring and sensing along with application-specific...
Early diagnosis faults of power transformers which is an equipment part of the electric energy transmission and distribution system protects system and equipments. Power outages and financial loses are perevented thanks to diagnosis of transformers faults by ensuring continuity of efficient and high quality working conditions. Dissolved Gas Analysis (DGA) has ability to detect incipient faults of...
QT surveillance is the most important tool to diagnose the possibility of sudden death and torsade de pointes caused by usage of pro-arrhythmic drugs using the treatment of abnormalities in the heart. However, T wave, which represents the repolarization of heart ventricles, changes make QT interval measurement difficult in terms of subject-to-subject difference, morphological variation and noise effect...
In this study, we present improvements on enterprise-owned IP-based PBX switches to effectively use the voice channel capacity under heavy call traffic. A new common share pool for channel capacity to be used among different sites independent of their geographical sites is created to improve the system efficiency and customer satisfaction when a channel capacity problem occurs on the IP PBX switches...
This paper presents comparison of non-linear magnetic modelling techniques for an axial flux open slotted eddy current brake. Dynamic modelling of a designed axial flux open slotted eddy current brake having single rotor single stator is described. The magnetic and electrical properties of dynamic modelling which are effected the braking torque are explained. Magnetic modelling of a designed eddy...
In this study, a four rotor Unmanned Aerial Vehicle (UA V) that is called Quadrotor (Micro UAV), is used to test and show effectiveness of 2 DOF PI controller for path tracking of Micro UAV for different reference routes such as zigzag and inclined circle routes. Then, a well-tuned conventional PI controller is also applied to show the performance and priority of 2 DOF PI controller for the same reference...
Elektrik Elektronik mühendisliğinin gelişimi, büyüklüğü ve önemi ile ilgili bilgiler verilmiştir. Türkiye'de, öğretim üyesi başina EE öğrenci sayisinin, olmasi gerekenin çok üstünde olduğu, bu sayi normale düşürülmediği sürece mezunlarin ortalama kalitesinin yeterli olmayacağina işaret edilmiştir. Mezunlarin ortalama kalitesinin yüksek olmasi için en önemli parametreler, öğretim üyelerinin niteliği,...
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