Master's Course Contents

ELECTRICAL AND ELECTRONICS ENGINEERING PROGRAM

MASTER's GRADUATE COURSE CONTENTS

EET5000 Specialization Area Course (Master’s Degree)

EET5010 Master’s Seminar

A master’s seminar will be conducted on a subject determined by the advisor related to the department.

EET5020 Master’s Thesis

A master’s thesis will be conducted on a subject determined by the advisor related to the department.

EET5030 Technical Mathematics

Vector fields in coordinate systems. Optimization problems. Green, Stokes, and divergence theorems. Complex-valued functions. Differentiation and surface integration. Cauchy’s theorem, Taylor and Laurent series. Real and complex vector spaces. Linear transformations. Diagonalization. Canonical and quadratic forms. Boundary value problems of differential equations. Special differential equations and their solutions. Problems, methods, and system modeling in applied mathematics.

EET5040 Intelligent Systems

 The concept of learning and intelligent systems. Decision trees. Artificial neural networks. Hypothesis evaluation. Bayesian learning theory. Computational learning theory. Example-based learning. Genetic algorithms. Rule-set-based learning. Fuzzy set theory, rule-based control, fuzzy logic control, and applications. Analytical learning. Inductive reasoning. Reinforcement learning.

EET5050 Mathematical Methods for Signal Processing

 Vector spaces, subspaces, and norms. Fundamental matrix operations, eigenvalue decomposition, singular value decomposition, LU factorization, Cholesky factorization, least squares, QR decomposition, Toeplitz matrices, Kronecker operations, and vector operators.

EET5060 Audio Processing

Human-machine communication. Audio models and representation. Audio synthesis. Audio coding. Speech recognition. Dynamic time warping and hidden Markov models. Neural networks for audio processing. Audio enhancement.

EET5070 Advanced Artificial Intelligence

Problem-solving methods, heuristics, reasoning, and knowledge representation. Goal-oriented systems. Natural language understanding programs, recognition and clustering, artificial vision systems.

EET5080 Wavelet Theory and Applications

Basic mathematical concepts, signal classification, Fourier analysis, time-frequency analysis, continuous wavelet transforms, multi-resolution analysis, discrete wavelet transforms.

EET5090 Robotic Systems

Introduction to robotic systems, robot axes, types of robots, grippers, and constraints in robots. Operation and maintenance, robot programming.

EET5100 Analysis and Design of Control Systems

Selection and design of PID controllers and phase-lead/lag compensators using root locus. Analysis and design of control systems using frequency response methods. State-space analysis of control systems. Controllability and observability. Phase plane analysis and Lyapunov stability analysis. Control system design using pole placement. Structural analysis of control systems and state observers. State-feedback control system design with observers.

EET5110 System Control with Artificial Neural Networks

Diagnosis and control of nonlinear dynamic systems. The significance of Artificial Neural Networks (ANN) in controlling nonlinear systems. Dynamic ANN structures: feedforward networks with time delays, output feedback networks, Elman networks. Dynamic backpropagation algorithms. Applications of dynamic ANN: time-series prediction, nonlinear system identification. Direct, indirect, model-reference, and predictive control with ANN. Genetic Algorithm-Artificial Neural Network (GA-ANN) control applications.

EET5120 Artificial Neural Networks

Biological neural systems and artificial neuron models. Learning in Artificial Neural Networks (ANN): error correction, Hebbian, and competitive learning. Perceptron ANN and its application to classification problems. Linear system identification with ANN. Training linear ANN using the least squares method. Gradient descent algorithm. Structural properties of multi-layer feedforward ANNs. Derivative-based backpropagation learning algorithms for layered networks: Backpropagation, Newton, Levenberg-Marquardt, and Conjugate Gradient methods. Radial Basis Function networks, training, and various applications. Self-organizing ANNs and training algorithms.

EET5130 Neuro-Fuzzy Control

Structure of neuro-fuzzy systems. Learning algorithms. Neuro-fuzzy modeling. Node functions and fuzzy membership functions for adaptive networks. Analysis of adaptive learning methods. System identification with neuro-fuzzy systems. Data clustering algorithms: K-means clustering, fuzzy C-means clustering. Rule-based structural system identification. Neuro-fuzzy control and feedback control. Backpropagation in time and real-time learning algorithms. Reinforcement learning. Genetic algorithms and genetic learning. Applications of neuro-fuzzy control.

EET5140 Digital Control Systems

Discrete-time systems, their models, and analysis methods. Analysis of discrete-time systems. Controllability and observability. Analysis of fundamental closed-loop systems. Disturbance input models: deterministic and stochastic disturbance models. Critical problems in discrete control system design. Design of digital controllers. Design methods using frequency response. State-space analysis and design in discrete time: state feedback, output feedback, state observers. Discrete-time control system design using pole placement. Implementation issues of digital controllers.

EET5150 Analysis and Design of Power Electronics Circuits

 Design of DC chopper circuits and analysis of DC motor drive circuits. Analysis of inverters and AC motor drive circuits. Pulse-width modulation switching methods: current control and harmonic elimination.

EET5160 Electrical and Electronic Measurement Techniques

Basic definitions and measurement errors. Distribution and combination of errors. Measurement instruments, their structure, properties, and operating principles. Measurement of power factor and frequency. Measurement of magnetic quantities. Frequency and phase measurement with Lissajous curves. Analog-to-digital measurement systems, A/D and D/A converters. Error correction in analog-to-digital systems. Principles of analog-to-digital linearization.

EET5170 Systems and Signal Processing

Fast Fourier transform. Analysis of systems with periodic and aperiodic signals. Analog filter design. Discrete-time signals and systems. Sampling theorem, Z-transform. Discrete-time fast Fourier transform and harmonic analysis. Design and implementation of digital filters.

EET5180 Modeling of Driver Systems

Modeling of open-loop and closed-loop speed/position control systems for DC and AC motors. Computer analysis methods and simulation of driver models.

EET5190 Dynamics and Control of Power Converters

Equivalent circuit model, state-space average model, canonical equivalent circuit model, pulse-width modulator model, converter transfer functions, and analysis. Controller design, stability, lead, lag, and PID controller design. Current-programmed control models and analysis. Design examples.

EET5200 Analysis and Design of Switched Power Supplies

General characteristics of switched power supplies. Comparison of switched power supplies. Transient and steady-state equivalent circuit modeling of switched power supplies. Selection and calculation of inductance, capacitance, and transformer values. Losses in switched power supplies. Analysis, determination of control methods, simulation, and design of an example switched power supply.

EET5210 Multilevel Inverters and Modulation Techniques

Multilevel inverter technology and topologies. Multilevel carrier and space vector-based modulation techniques. Application of modulation techniques to various inverter topologies. Harmonic analysis in multilevel inverters and elimination of selected harmonics. Modeling of inverter systems. Computer simulations.

EET5220 Theory of Circuits and Systems

Classification of circuits and systems. Linear and nonlinear systems; analog and digital systems. Mathematical models of linear and nonlinear circuit elements. Derivation of circuit and system equations. Analysis of circuits and systems in the time domain, s-domain, and z-domain. Analog circuits and systems: differential equations. Digital circuits and systems: difference equations. Numerical solutions of state equations.

EET5230 Advanced Analog Integrated Circuit Design

Basic equations characterizing MOS transistors. Diode-connected NMOS transistors, NMOS current mirrors, reference voltage generators. MOS and CMOS operational amplifiers. CMOS transconductance amplifiers, OTA: CMOS OTA design, basic OTA structure, Miller OTA, symmetric CMOS OTA structure. CMOS current conveyors. MOS analog multiplier circuits. MOS oscillator circuits: s-C oscillators, MOS relaxation oscillators, CMOS OTA-C oscillators, current conveyor RC oscillators. Analog signal processing: s-C filters, CMOS OTA-C active filters, active filter structures implemented with current conveyors.

EET5240 Renewable Energy Production Systems

Definition of the photovoltaic effect, the equivalent circuit of a solar cell. Electrical characteristics of silicon solar cells, thin-film solar cells, optimization of solar cells, solar mirror materials. Grid-connected or off-grid photovoltaic systems. Energy sources, solar energy; solar angles, solar radiation intensity, measurement, and evaluation. Solar collectors, solar power plants, use of solar energy in heating and cooling. Hydrogen energy; hydrogen energy systems, methods of hydrogen production, hydrogen applications. Energy sources, geothermal energy; utilization of geothermal fluid in electricity generation, geothermal energy potential in Turkey, wind energy; utilization of wind energy, wind power plants.

EET5250 Wind-Based Electricity Generation Technologies

Determining the characteristic properties of wind energy. Energy density and the highest theoretical limit of kinetic energy conversion in a unit area. Characteristics of horizontal and vertical turbines. Tip speed in turbines, the impact of tip speed on energy production, and determining tip speed based on wind characteristics. Criteria for selecting wind energy production sites, geographic structure effects, settlement patterns. Maximum power transfer algorithms.

EET5260 Maximum Power Point Tracking Algorithms in Photovoltaic Systems

Mathematical model of photovoltaic solar cells. Characteristics of photovoltaic solar cells and maximum power curves. Conditions for the formation of maximum power. Determining the maximum power value. Determining the maximum power based on varying sunlight and ambient temperatures. Maximum power tracking and control algorithms. Grid-interactive and off-grid photovoltaic systems.

EET5270 Power Quality and Active Power Filters

Definition and requirements of power quality. Current power quality problems and their effects on the grid and loads, measurement and monitoring. Reactive power and harmonic compensation, IEEE standards. Classification of active power filter types, control schemes, power circuit design. Detailed analysis of series, parallel, and hybrid power filters and comparison of their compensation performances.

EET5280 Flexible Alternating Current Transmission Systems

Electric transmission and distribution networks, automatic generation and voltage regulation applications, conventional control systems, modern control schemes, uncompensated transmission lines, thyristor-controlled reactors, SVC control schemes, voltage measurement systems for transmission, SVC applications, Thyristor Controlled Series Compensator (TCSC) applications, study of load flow control schemes (UPFC), STATCOM applications, performance evaluation of flexible AC systems. Distribution automation and flexible control; distribution system load models; outage management; restoration after long-term outages; loss analysis; voltage/reactive power management.

EET5290 Modulation Techniques for Inverters

Two-level voltage source inverter structures and reasons for controlling their outputs. Six-step switching: 180° and 120° conduction states, and MATLAB simulation. Basic principles of PWM techniques, their types, and advantages and disadvantages compared to six-step switching. Harmonic analysis of the output voltage of a voltage-source inverter, IEEE and IEC standards. Square Wave PWM technique and MATLAB simulation. Natural sampling versus regular sampling (symmetric and asymmetric) sinusoidal PWM (SPWM). Sinusoidal PWM techniques and MATLAB simulations. V/f control of an induction motor powered by an SPWM controlled inverter and MATLAB simulation. Third harmonic injection SPWM technique and MATLAB simulation. Space Vector PWM technique, 3/2 transformation, sector determination, and calculation of switching times. MATLAB simulation of a two-level inverter controlled by space vector PWM. Harmonic elimination PWM technique, forming nonlinear equation systems. Optimizing nonlinear equations to determine switching angles.

EET5300 Multi-pulse Rectifiers

Introduction; basic principles. Capacitive load, THD, PF, and PU definitions. 6-pulse diode rectifier. PF and THD calculations in a 6-pulse diode rectifier. Introduction to series-connected multi-pulse diode rectifiers. 12, 18, and 24-pulse diode rectifiers. Discrete multi-pulse diode rectifiers. 12, 18, and 24-pulse discrete multi-pulse diode rectifiers. 6-pulse thyristor rectifier. 12, 18, and 24-pulse thyristor rectifiers. Harmonic analysis of multi-pulse rectifiers. Simulation studies of multi-pulse rectifiers.

EET5310 Soft Switching Techniques in Power Electronics

Problems caused by hard switching techniques in converters. Snubber circuits. The concept of resonance and the sinusoidal analysis of resonant converters. Different resonance circuits and the basic harmonic approach. Classification of soft switching resonant converters, advantages of zero-voltage and zero-current switching. Series resonant DC-DC converter. Parallel resonant DC-DC converter. Full bridge operation under resonance: zero current switching (ZCS). Full bridge operation under resonance: zero voltage switching (ZVS). PWM strategies for soft switching half and full bridges, frequency modulation, and phase shifting. ZVS PWM half-bridge converter analysis. ZVS PWM full-bridge converter analysis. ZVZCS PWM full-bridge circuit analysis. Soft-switching LLC resonant converter design.

EET5320 Power Factor Correction Methods in Power Electronics

Overview of power factor correction approaches. Methodology for comparing active PFC approaches. Current-controlled mode GFD. Continuous conduction mode PFC. Bridge-less GFD circuits. Critical conduction mode GFD. Single-stage isolated power factor correction. Frequency-locked critical conduction mode GFD. Detailed analysis and comparisons. Losses and efficiency. MATLAB simulation studies.

EET5330 Sensors and Actuators

Electromechanical actuators; optical, temperature, pressure/force, position, speed, sound, displacement sensors, and actuators; analog sensors; digital sensors; signal and signal processing systems. Piezoelectric, capacitive, inductive/differential sensors; Hall-effect sensors. Integrated circuit sensors.

EET5340 Electric Power Systems

Basic principles of electric power systems. Symmetrical components. Sequence circuits of transformers and generators. Fault analysis, symmetrical and asymmetrical short-circuit studies. Load flow analysis. Transient regime analysis in power systems. Harmonics in power systems. Protection and control in power systems.

EET5350 Analysis and Control of DC Machines

Introduction to electric machines as electromagnetic and electromechanical systems. Biot-Savart, Faraday, Lorentz force, and Lenz's Laws. Magnetic coupling and principles of electromechanical energy conversion. Electromagnetic force, torque, and calculations in electromechanical systems. Modeling of electromechanical systems. Modeling and analysis of rotating motion systems. Basic operating principles of electric machines; four-region operation; DC motor characteristics. Mechanical dynamic equations for electric machines; load characteristics; stability analysis of motor-load driver systems. DC motor control methods, motor block diagrams. Transient state analysis and braking types in DC motors. Transient state operation in DC motor braking. Speed control methods for DC motors. Control of DC motors with one, two, and four-region choppers. Modeling and computer-assisted simulation of DC machines.

EET5360 Analysis and Control of AC Machines

General operating principles of induction machines. Torque production and operating characteristics of induction machines. Torque-speed characteristics of induction machines. Clarke and Park transformations. d-q model circuits of induction motors. V/f control of induction motors. Vector control of induction motors. Structure and operating principles of synchronous machines. Loading of synchronous generators, steady-state equivalent circuits, and phasor diagrams. Torque angle and power characteristics of synchronous machines. Loading of synchronous motors, steady-state equivalent circuits, and phasor diagrams. V-curves of synchronous motors. d-q model circuits of synchronous motors. Control of synchronous motors.

EET5370 Power Electronics Converters for Electric Vehicles

Basic structure of Electric Vehicles (EVs), battery-powered, hybrid, plug-in hybrid, and fuel cell electric vehicles. Battery types, battery charging types, and battery management systems. Constant voltage (CV) charging, constant current (CC) charging, constant voltage-constant current (CV-CC) charging. Types of motors used in electric vehicles. Isolated and non-isolated bidirectional DC-DC power converters for electric vehicles. Operation and control of DC-DC Bidirectional Active-Bridge. Phase-shifted control algorithms for DC-DC Bidirectional Active-Bridge. DC fast chargers, advantages, and disadvantages. Connection of fast charging stations to medium voltage systems. Vehicle-to-Grid (V2G) systems. DC-DC Bidirectional Active-Bridge converters for V2G systems. Resonant converters for bidirectional EV charging systems-1. Resonant converters for bidirectional EV charging systems-2. Effects and measures of EV charging systems on AC power grids.

EET5380 Electric Motor Driver Systems

Classification and operating principles of electric machines. Mathematical modeling of DC motors. Simulation of DC motors. Simulation of speed, position, and torque control for DC motors. Fundamentals of AC motor control. Clarke and Park transformations. Simulation of AC driver models. Space-phasor model of AC machines. V/f control of induction motors. Synchronous motor types. Derivation of the dq-model for permanent magnet synchronous motors. Simulation model of permanent magnet synchronous motors. Simulation of speed and position control for permanent magnet synchronous motors. Synchronous reluctance motors and control methods.

EET5390 Electromagnetic Field Theory

Electrostatics; electric fields from distributed electric charges in line, surface, and volume regions, Gauss's law, electric potential, work and energy against the electric field. Current; movement of charges, conduction current, convection current, current density, point form of Ohm's law. Resistance, conductivity, current layer density, continuity of current, relaxation time, and conductor line boundary conditions. Electric dipoles, dipole moment, polarization, relative permeability, and capacitance. Boundary conditions on two dielectric separation surfaces and numerical applications. Magnetostatics; Biot-Savart law, Ampère's law. Maxwell's equations; point and integral representations of Maxwell's equations. Magnetic forces; Lorentz force equation, force on a current-carrying conductor in a magnetic field, forces between two parallel current-carrying conductors. Scalar and vector magnetic potentials and their properties. Self and mutual inductance, Neumann’s formula for mutual inductance. Determination of self-inductance of solenoidal and toroidal coils. Magnetic field energy and numerical applications. Electromagnetic induction law (Faraday's law), point and integral representations of Faraday's law, induced EMF via static and dynamic methods. Wave equation, free space propagation of plane waves, wavelength, Poynting vector.

EET5400 Special Electric Motors

Classification of electrical machines; Applications of special electric motors; Motor selection criteria; Permanent magnet materials and their applications; Structure and operating principles of permanent magnet excited DC and synchronous motors; Equivalent circuits; Stepper motors: classification, structures, control principles, and driver circuits; Behavior of special electrical machines under variable voltage and frequency conditions; Brushless DC motors; Switched reluctance motors, DC-AC servo motors and their characteristics; Hysteresis motors; Linear induction motors.

EET5410 Fuzzy Logic and Artificial Neural Networks Applications

Introduction to fuzzy logic. Fuzzy logic structures. Mamdani-type fuzzy controller. Sugeno-type fuzzy controller. Introduction to artificial neural networks. Models of artificial neural networks. Activation functions. Simulation studies related to fuzzy logic and artificial neural networks.

EET5420 Artificial Intelligence Assisted Electrical Motor and Driver Fault Analysis
Fault detection and classification in electric motors. Types of sensors used in electric motors, data collection, and the importance of sensor data. Fundamentals of artificial intelligence and its application areas. Deep learning algorithms. Motor fault definition with artificial intelligence. Detection and diagnosis of fault conditions. Python coding. Data analysis and preprocessing of signals such as speed, torque, current, temperature, sound, vibration, etc. Creation of motor faults in simulation environments. Data sets for AI model training, training of models. Comparative performance testing.

EET5430 Autonomous Robot Technologies

Definition and historical development of autonomous robotic systems. Sensor technologies used in autonomous systems. Positioning techniques of autonomous robots. Mapping and path planning algorithms. Basic principles of autonomous robot control systems. Deep learning and autonomous systems. Python coding. Simulation studies of autonomous robots.

EET5440 Magnetic Systems and Equivalent Circuits

Definitions of magnetic fields; magnetic flux, magnetic flux density, magnetomotive force, magnetic field intensity, reluctance, magnetic permeability, and relative magnetic permeability. Magnetic fields around current-carrying conductors and coils. Properties of magnetic materials and hysteresis, hysteresis and eddy current power losses. Series, parallel, and series-parallel magnetic circuits and solution methods. Leakage and stray fluxes. Magnetic forces and torques, Lorentz force. Ampère's Law, Faraday's Law, and Biot-Savart Law. Self-inductance and mutual inductance. Air-gap magnetic circuit analysis. Energy in electromagnetic fields and electromechanical energy conversion. Force and torque equations in electromechanical systems, electromechanical simulations. Transformer structure and electrical equivalent circuits. Magnetic saturation and magnetizing current in transformers. Nonlinear modeling techniques for transformers.