fusun serteller - Academia.edu (original) (raw)

Papers by fusun serteller

Sustainability

In this study, the effects of the ratio of a motor’s axial length to its pole pitch on efficiency... more In this study, the effects of the ratio of a motor’s axial length to its pole pitch on efficiency, magnetic flux density distribution, torque, torque/weight, and motor volume were investigated in an outer-rotor (hub) brushless direct current motor. The weight and volume of an electrical machine affects the output power, efficiency and output torque, and it is advantageous to design an electric motor at an appropriate power and high efficiency with an appropriate weight and volume. Therefore, the aim of this study was to optimize the motor’s axial length and stator outer diameter, which affects the motor volume. Initially, the axial-length-to-pole-pitch ratio of the hub BLDC motor was taken at 0.75. According to this ratio, the dimensions of the rotor outer diameter, rotor inner diameter, stator outer diameter, stator inner diameter, slot height, motor axial length, and magnet thickness were optimally determined. Then, the axial-length-to-pole-pitch ratio was considered as 1, 1.50, 2...

Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, Dec 15, 2023

International Journal of Electrical and Computer Engineering, Jul 1, 2019

In this paper, the techniques to solve time dependent electromagnetic wave propagation equations ... more In this paper, the techniques to solve time dependent electromagnetic wave propagation equations based on the Finite Difference Method (FDM) are proposed by comparing the results with Finite Element Method (FEM) in 2D while discussing some special simulation examples. Here, 2D dynamical wave equations for lossy media, even with a constant source, are discussed for establishing symbolic manipulation of wave propagation problems. The main objective of this contribution is to introduce a comparative study of two suitable numerical methods and to show that both methods can be applied effectively and efficiently to all types of wave propagation problems, both linear and nonlinear cases, by using symbolic computation. However, the results show that the FDM is more appropriate for solving the nonlinear cases in the symbolic solution. Furthermore, some specific complex domain examples of the comparison of electromagnetic waves equations are considered. Calculations are performed through Mathematica software by making some useful contribution to the programme and leveraging symbolic evaluations of FEM and FDM.

Advances in Science, Technology and Engineering Systems Journal, Jun 1, 2023

In this study, we conducted an experimental study and efficiency optimization of the outer rotor ... more In this study, we conducted an experimental study and efficiency optimization of the outer rotor (hub) BLDC (brushless direct current) motor and axial BLDC motor for light electric vehicles. Both motors were investigated in the simulation environment and experimentally. The axial flux BLDC motor had a rated power of 10 KW, and a rated speed of 4550 rpm, while the outer rotor (hub) BLDC motor had a rated power of 1 KW and a rated speed of 300 rpm. The speed, efficiency, torque, and weight values of both motors were examined comparatively. The torque/volume values of the hub motor and axial flux motor were used as references for analysis. The hub motor and axial flux motors, with equal volume values, were simulated using ANSYS Electronics Desktop software. The simulation data were also compared with experimental studies. To optimize these motors using a genetic algorithm (GA), lower and upper limit values were determined for various parameters such as the outer and inner diameter of the stator, the outer diameter of the rotor, air gap length, slot height, axial length, air gap flux density, magnet thickness, and tooth width in the hub motor. Similarly, in the axial flux motor, parameters such as the outer and inner diameter of the stator, air gap length, slot height, air gap flux density, magnet thickness, tooth width, stator length, and rotor length were optimized using the GA method. The application of GA optimization has led to a 1.91% increase in the hub motor efficiency and a 3.45% increase in the axial motor efficiency.

Zenodo (CERN European Organization for Nuclear Research), Oct 5, 2019

This study focuses on the control analysis methods used to implement mathematical equations for D... more This study focuses on the control analysis methods used to implement mathematical equations for Direct Current Motor (DCM) parameters. It involves an examination of the analysis methods through computer simulations aimed at providing a comprehensive account of the nature of simulations for direct current electrical machine in education. In this way, the aim is to visually, analyze and capture the effect of DC motor parameters with mathematical equations by changing those DCM parameter values by using symbolic Mathematica language. Finally, the implications of the knowledge of analysis models for DC motors and control units is studied, which is a fundamental factor in teaching the nature of DC electrical motors.

Journal of Polytechnic

In this study, the performance analysis of a 5.5 kW, 460 V, 60 Hz, 4-pole, and 3-phase squirrel- ... more In this study, the performance analysis of a 5.5 kW, 460 V, 60 Hz, 4-pole, and 3-phase squirrel- cage induction motor (IM) has been carried out by developing a portable electronic circuit, design, and the software, independent of any commercial software. The mathematical equations used in the design steps and the preliminary design of the main dimensions of the squirrel cage IM are realized with a developed electronic circuit. To perform preliminary design calculations Nextion 7-inch touch screen, Arduino mega 2560 microcontroller is used in electronic circuit design. Briefly, IM basic data are entered from the Nextion 7 inches touch screen in the electronic circuit created and the data are sent to the Arduino Mega 2560 microcontroller card via serial communication. On the Arduino Mega 2560 microcontroller board, IM mathematical calculations are accomplished, and the calculation results are presented on the Nextion screen. It has been observed that the analytical calculations and th...

International Journal of Humanities and Social Science Research, Jan 16, 2018

This paper presents the nuclear options for Turkey's energy future while comparing the other avai... more This paper presents the nuclear options for Turkey's energy future while comparing the other available energy sources. Firstly, importance of sustainable energy sources and policies are discussed. Should existing energy policies which formed mostly by importing energy (natural gas) from the neighbors' countries continue or should find different alternatives such as local energy sources (wind and solar energy) and nuclear energy be evaluated. Then, the potential of the local renewable sources convenient for Turkey, such as wind and solar are investigated and compare with the nuclear energy. The advantages and disadvantages of nuclear energy usage, as well as the place of nuclear energy in electricity production in the world are scrutinized. It is clear that the usefulness of nuclear energy and nuclear power plants depend heavily upon the progress in technical developments. Improving technology on operation systems and waste problems of them brings more secure and more environment friendly power plants. Finally, our current energy consumption and energy need in short and medium term (+50) conducted for the evaluation of nuclear power plants are discussed.

Numerical modeling is now an essential part of electrical engineering education. This paper revie... more Numerical modeling is now an essential part of electrical engineering education. This paper reviews electrostatic field distribution (EM) using the finite element method (FEM) programming language Mathematica 6.0 and MATLAB. The results from the two different programs were tested using the finite difference method (FD). Computer programs and formulations of the finite element technique have been constructed to make the concept more understandable and explicit for engineering students and practicing engineers.

2022 IEEE 20th International Power Electronics and Motion Control Conference (PEMC), Sep 25, 2022

This study focuses on the understanding of N.Fusun Oyman Serteller, switched reluctance motor des... more This study focuses on the understanding of N.Fusun Oyman Serteller, switched reluctance motor design and operation theory. It is the one of the most popular electric motor among the modern electric machines. The analysis of the motor is conducted by using the ANSYS/Maxwell software program. Our aim is not only to understand the theory of the motor but also the meaning of the analysis the flux path, the magnetic field lines, the flux density, the vector potential and the effect of all these factors on the discussed motor. Also in this study, the type of material used in rotor design is changed and the effect of this difference is reflected in the figures.

Elektronika Ir Elektrotechnika, 1970

DergiPark (Istanbul University), Sep 1, 2010

Fırçasız DA Motorlar (FSDAM) güç elektroniği ve kontrol teknolojisindeki gelişmelere bağlı olarak... more Fırçasız DA Motorlar (FSDAM) güç elektroniği ve kontrol teknolojisindeki gelişmelere bağlı olarak yüksek performanslı kontrol sistemlerinde yaygın olarak kullanılmaktadır. Elektronik olarak anahtarlanan bu motorlarda, salınım olmadan konum denetiminin yapılması arzu edilen bir durumdur. FSDAM kontrol yöntemlerinin asıl amacı motorun verimli bir şekilde kontrol edilmesidir. Bunu gerçekleştirmek için farklı kontrol çalışmaları mevcuttur (Juan W. Dixon and Ivan Leal, 2002). Bu çalışmada, PWM kontrol yöntemi ile Histerisiz Bant Kontrolünün, moment, hız ve pozisyon kontrolü yönünden karşılaştırılması Matlab ® /Simulink ® programı ile bilgisayar ortamında yapılmıştır.

In this study, we examine simulation models of shunt, separately excited and permanent magnet dir... more In this study, we examine simulation models of shunt, separately excited and permanent magnet direct current motor dynamic behavior during starting, steady state and stopping time (electrical braking) for dynamic simulation of electromechanical energy conversion using MATHEMATICA 10 environment. It is surly important to control the speed; keep it constant and reduce it safely with desired time while the direct current motor is fulfilling the requested torque. Therefore, we designed a complete direct current motor operation system and analyzed its performance by using MATHEMATICA 10 Software. In order to simulate the direct current motor, three types of identical motor parameters such as separately excited, shunt, and permanent magnet, based on the catalogue values, are constructed.

In this paper, the techniques to solve time dependent electromagnetic wave propagation equations ... more In this paper, the techniques to solve time dependent electromagnetic wave propagation equations based on the Finite Difference Method (FDM) are proposed by comparing the results with Finite Element Method (FEM) in 2D while discussing some special simulation examples. Here, 2D dynamical wave equations for lossy media, even with a constant source, are discussed for establishing symbolic manipulation of wave propagation problems. The main objective of this contribution is to introduce a comparative study of two suitable numerical methods and to show that both methods can be applied effectively and efficiently to all types of wave propagation problems, both linear and nonlinear cases, by using symbolic computation. However, the results show that the FDM is more appropriate for solving the nonlinear cases in the symbolic solution. Furthermore, some specific complex domain examples of the comparison of electromagnetic waves equations are considered. Calculations are performed through Mathematica software by making some useful contribution to the programme and leveraging symbolic evaluations of FEM and FDM.

This study focuses on the control analysis methods used to implement mathematical equations for D... more This study focuses on the control analysis methods used to implement mathematical equations for Direct Current Motor parameters for emphasizing the influential and proper analysis methods, computer application and visualization is very significant. The control analysis methods are highly rigorous, stressful and complex subjects for students to conceive, comprehend and to easily reach solutions. This study involves step by step examinations of the analysis methods through computer simulations to provide a comprehensive account of direct current motor parameters through mathematical equations by using Mathematica language. Additionally, this study also looks at the implications of gaining an understanding of analysis models such as the step response, Bode diagrams, Nyquist and Nichols plots for motors and their control units to develop a deeper level of understanding.

BLDC (Brushless Direct Current) motors are widely used today due to its high reliability and high... more BLDC (Brushless Direct Current) motors are widely used today due to its high reliability and high efficiency. These motors are synchronous motors that have a linear relationship between voltage-speed and current-torque. To control these kinds of motors, inverters are needed. Inverters create a rotational movement in the motor by switching at the appropriate time according to the rotor position information. Rotor position is obtained in two ways, with and without sensor. Sensor method uses encoders, resolvers or hall effect sensor. Hall-effect sensors are generally preferred for the control of BLDC motors in terms of cost. In this study, the rotor position was obtained by using hall-effect sensor. Pulse Width Modulation (PWM) is used to control the frequency and voltage of the inverters. Today, Sinusoidal PWM (SPWM) and Space Vector Pulse Width Modulation (SVPWM) techniques are frequently used in such applications. This study explains the development of a Field Oriented Control Algorithm (FOC) based on SVPWM technique by using the LabVIEW FPGA Module for a BLDC Motor. It also shows the effects of using PI and FFC (Feed Forward Control) algorithm together and separately in the controller for the control of Id and Iq reference currents. In addition, simulation of all project was developed and run in Matlab/Simulink.

2021 International Conference on Electrical, Computer, Communications and Mechatronics Engineering (ICECCME), Oct 7, 2021

Electric motors, especially direct current electric motors, are the most convenient way of studyi... more Electric motors, especially direct current electric motors, are the most convenient way of studying the application of magnetic fluid because of motor rapid response to changes in parameters. This study demonstrates the effects of a magnetic liquid (ferrofluid) on a permanent magnet brushed direct current (PMDC) motor. The ferrofluid was applied by smearing it on the shaft of the motor. The maximum amount of ferrofluid was determined to the non-linearity of the characteristics of the motor. The experimental results showed that the ferrofluid affected the motor-operating parameter values, particularly speed and losses, offering an interesting potential to improve efficiency, which consequently results in energy savings. Some equations for the affected parameters have been presented, including the circuit theory. It was seen that by controlling the addition of ferrofluid, the most efficient flux motor parameters could be determined. Some dynamic calculations of PMDC motors are also mentioned, including the principles of magnetic circuits and field theory. Experimental verification by testing a PMDC motor confirmed the positive results.

Fen ve mühendislik bilimleri dergisi, Sep 11, 2015

Bu çalışmada,bipolar sürücülü hall sensörlü fırçasız doğru akım motoru BLDCM'nin sensörlerinin, o... more Bu çalışmada,bipolar sürücülü hall sensörlü fırçasız doğru akım motoru BLDCM'nin sensörlerinin, optimal çalışma aralığı deneysel olarak araştırılmıştır. Klasik doğru akım makinalarındaki teori ve deneylerle ispatlanmış, motoru en verimli haliyle çalıştıran rotor ve stotormagnetik eksenleri arasındaki 90 0 ye karşılık gelen açı, BLDCM'de teorik olarak 60 0 ile 120 0 olarak belirlendiğinden bu değerler için motor parametrelerine yansıyan avantajlar ve dezavantajlar deneysel verilerle araştırılmıştır. BLDCM'de rotor pozisyonun tam ve doğru bir şekilde belirlenmesi, başka bir deyişle; hallsensörlerin motorun çalışma parametrelerine etkisinin en verimli olacak şekilde yerleştirilmesi oldukça zor bir iştir. Teorik çalışmaların yanında titizlikle yapılması gereken deneysel çalışmalarda gereklidir. Bu çalışmada BLDCM'nin verimli çalışması için gerekli olan moment ve akım değerlerinin yanında, akım harmonik değerleri (THD) de ölçülmüş ve karşılaştırmalı bir analiz yapılmıştır. Bu araştırma çalışmasının sonuçları teorik bilgilerle de desteklenmiştir.

Sustainability

In this study, the effects of the ratio of a motor’s axial length to its pole pitch on efficiency... more In this study, the effects of the ratio of a motor’s axial length to its pole pitch on efficiency, magnetic flux density distribution, torque, torque/weight, and motor volume were investigated in an outer-rotor (hub) brushless direct current motor. The weight and volume of an electrical machine affects the output power, efficiency and output torque, and it is advantageous to design an electric motor at an appropriate power and high efficiency with an appropriate weight and volume. Therefore, the aim of this study was to optimize the motor’s axial length and stator outer diameter, which affects the motor volume. Initially, the axial-length-to-pole-pitch ratio of the hub BLDC motor was taken at 0.75. According to this ratio, the dimensions of the rotor outer diameter, rotor inner diameter, stator outer diameter, stator inner diameter, slot height, motor axial length, and magnet thickness were optimally determined. Then, the axial-length-to-pole-pitch ratio was considered as 1, 1.50, 2...

Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, Dec 15, 2023

International Journal of Electrical and Computer Engineering, Jul 1, 2019

In this paper, the techniques to solve time dependent electromagnetic wave propagation equations ... more In this paper, the techniques to solve time dependent electromagnetic wave propagation equations based on the Finite Difference Method (FDM) are proposed by comparing the results with Finite Element Method (FEM) in 2D while discussing some special simulation examples. Here, 2D dynamical wave equations for lossy media, even with a constant source, are discussed for establishing symbolic manipulation of wave propagation problems. The main objective of this contribution is to introduce a comparative study of two suitable numerical methods and to show that both methods can be applied effectively and efficiently to all types of wave propagation problems, both linear and nonlinear cases, by using symbolic computation. However, the results show that the FDM is more appropriate for solving the nonlinear cases in the symbolic solution. Furthermore, some specific complex domain examples of the comparison of electromagnetic waves equations are considered. Calculations are performed through Mathematica software by making some useful contribution to the programme and leveraging symbolic evaluations of FEM and FDM.

Advances in Science, Technology and Engineering Systems Journal, Jun 1, 2023

In this study, we conducted an experimental study and efficiency optimization of the outer rotor ... more In this study, we conducted an experimental study and efficiency optimization of the outer rotor (hub) BLDC (brushless direct current) motor and axial BLDC motor for light electric vehicles. Both motors were investigated in the simulation environment and experimentally. The axial flux BLDC motor had a rated power of 10 KW, and a rated speed of 4550 rpm, while the outer rotor (hub) BLDC motor had a rated power of 1 KW and a rated speed of 300 rpm. The speed, efficiency, torque, and weight values of both motors were examined comparatively. The torque/volume values of the hub motor and axial flux motor were used as references for analysis. The hub motor and axial flux motors, with equal volume values, were simulated using ANSYS Electronics Desktop software. The simulation data were also compared with experimental studies. To optimize these motors using a genetic algorithm (GA), lower and upper limit values were determined for various parameters such as the outer and inner diameter of the stator, the outer diameter of the rotor, air gap length, slot height, axial length, air gap flux density, magnet thickness, and tooth width in the hub motor. Similarly, in the axial flux motor, parameters such as the outer and inner diameter of the stator, air gap length, slot height, air gap flux density, magnet thickness, tooth width, stator length, and rotor length were optimized using the GA method. The application of GA optimization has led to a 1.91% increase in the hub motor efficiency and a 3.45% increase in the axial motor efficiency.

Zenodo (CERN European Organization for Nuclear Research), Oct 5, 2019

This study focuses on the control analysis methods used to implement mathematical equations for D... more This study focuses on the control analysis methods used to implement mathematical equations for Direct Current Motor (DCM) parameters. It involves an examination of the analysis methods through computer simulations aimed at providing a comprehensive account of the nature of simulations for direct current electrical machine in education. In this way, the aim is to visually, analyze and capture the effect of DC motor parameters with mathematical equations by changing those DCM parameter values by using symbolic Mathematica language. Finally, the implications of the knowledge of analysis models for DC motors and control units is studied, which is a fundamental factor in teaching the nature of DC electrical motors.

Journal of Polytechnic

In this study, the performance analysis of a 5.5 kW, 460 V, 60 Hz, 4-pole, and 3-phase squirrel- ... more In this study, the performance analysis of a 5.5 kW, 460 V, 60 Hz, 4-pole, and 3-phase squirrel- cage induction motor (IM) has been carried out by developing a portable electronic circuit, design, and the software, independent of any commercial software. The mathematical equations used in the design steps and the preliminary design of the main dimensions of the squirrel cage IM are realized with a developed electronic circuit. To perform preliminary design calculations Nextion 7-inch touch screen, Arduino mega 2560 microcontroller is used in electronic circuit design. Briefly, IM basic data are entered from the Nextion 7 inches touch screen in the electronic circuit created and the data are sent to the Arduino Mega 2560 microcontroller card via serial communication. On the Arduino Mega 2560 microcontroller board, IM mathematical calculations are accomplished, and the calculation results are presented on the Nextion screen. It has been observed that the analytical calculations and th...

International Journal of Humanities and Social Science Research, Jan 16, 2018

This paper presents the nuclear options for Turkey's energy future while comparing the other avai... more This paper presents the nuclear options for Turkey's energy future while comparing the other available energy sources. Firstly, importance of sustainable energy sources and policies are discussed. Should existing energy policies which formed mostly by importing energy (natural gas) from the neighbors' countries continue or should find different alternatives such as local energy sources (wind and solar energy) and nuclear energy be evaluated. Then, the potential of the local renewable sources convenient for Turkey, such as wind and solar are investigated and compare with the nuclear energy. The advantages and disadvantages of nuclear energy usage, as well as the place of nuclear energy in electricity production in the world are scrutinized. It is clear that the usefulness of nuclear energy and nuclear power plants depend heavily upon the progress in technical developments. Improving technology on operation systems and waste problems of them brings more secure and more environment friendly power plants. Finally, our current energy consumption and energy need in short and medium term (+50) conducted for the evaluation of nuclear power plants are discussed.

Numerical modeling is now an essential part of electrical engineering education. This paper revie... more Numerical modeling is now an essential part of electrical engineering education. This paper reviews electrostatic field distribution (EM) using the finite element method (FEM) programming language Mathematica 6.0 and MATLAB. The results from the two different programs were tested using the finite difference method (FD). Computer programs and formulations of the finite element technique have been constructed to make the concept more understandable and explicit for engineering students and practicing engineers.

2022 IEEE 20th International Power Electronics and Motion Control Conference (PEMC), Sep 25, 2022

This study focuses on the understanding of N.Fusun Oyman Serteller, switched reluctance motor des... more This study focuses on the understanding of N.Fusun Oyman Serteller, switched reluctance motor design and operation theory. It is the one of the most popular electric motor among the modern electric machines. The analysis of the motor is conducted by using the ANSYS/Maxwell software program. Our aim is not only to understand the theory of the motor but also the meaning of the analysis the flux path, the magnetic field lines, the flux density, the vector potential and the effect of all these factors on the discussed motor. Also in this study, the type of material used in rotor design is changed and the effect of this difference is reflected in the figures.

Elektronika Ir Elektrotechnika, 1970

DergiPark (Istanbul University), Sep 1, 2010

Fırçasız DA Motorlar (FSDAM) güç elektroniği ve kontrol teknolojisindeki gelişmelere bağlı olarak... more Fırçasız DA Motorlar (FSDAM) güç elektroniği ve kontrol teknolojisindeki gelişmelere bağlı olarak yüksek performanslı kontrol sistemlerinde yaygın olarak kullanılmaktadır. Elektronik olarak anahtarlanan bu motorlarda, salınım olmadan konum denetiminin yapılması arzu edilen bir durumdur. FSDAM kontrol yöntemlerinin asıl amacı motorun verimli bir şekilde kontrol edilmesidir. Bunu gerçekleştirmek için farklı kontrol çalışmaları mevcuttur (Juan W. Dixon and Ivan Leal, 2002). Bu çalışmada, PWM kontrol yöntemi ile Histerisiz Bant Kontrolünün, moment, hız ve pozisyon kontrolü yönünden karşılaştırılması Matlab ® /Simulink ® programı ile bilgisayar ortamında yapılmıştır.

In this study, we examine simulation models of shunt, separately excited and permanent magnet dir... more In this study, we examine simulation models of shunt, separately excited and permanent magnet direct current motor dynamic behavior during starting, steady state and stopping time (electrical braking) for dynamic simulation of electromechanical energy conversion using MATHEMATICA 10 environment. It is surly important to control the speed; keep it constant and reduce it safely with desired time while the direct current motor is fulfilling the requested torque. Therefore, we designed a complete direct current motor operation system and analyzed its performance by using MATHEMATICA 10 Software. In order to simulate the direct current motor, three types of identical motor parameters such as separately excited, shunt, and permanent magnet, based on the catalogue values, are constructed.

In this paper, the techniques to solve time dependent electromagnetic wave propagation equations ... more In this paper, the techniques to solve time dependent electromagnetic wave propagation equations based on the Finite Difference Method (FDM) are proposed by comparing the results with Finite Element Method (FEM) in 2D while discussing some special simulation examples. Here, 2D dynamical wave equations for lossy media, even with a constant source, are discussed for establishing symbolic manipulation of wave propagation problems. The main objective of this contribution is to introduce a comparative study of two suitable numerical methods and to show that both methods can be applied effectively and efficiently to all types of wave propagation problems, both linear and nonlinear cases, by using symbolic computation. However, the results show that the FDM is more appropriate for solving the nonlinear cases in the symbolic solution. Furthermore, some specific complex domain examples of the comparison of electromagnetic waves equations are considered. Calculations are performed through Mathematica software by making some useful contribution to the programme and leveraging symbolic evaluations of FEM and FDM.

This study focuses on the control analysis methods used to implement mathematical equations for D... more This study focuses on the control analysis methods used to implement mathematical equations for Direct Current Motor parameters for emphasizing the influential and proper analysis methods, computer application and visualization is very significant. The control analysis methods are highly rigorous, stressful and complex subjects for students to conceive, comprehend and to easily reach solutions. This study involves step by step examinations of the analysis methods through computer simulations to provide a comprehensive account of direct current motor parameters through mathematical equations by using Mathematica language. Additionally, this study also looks at the implications of gaining an understanding of analysis models such as the step response, Bode diagrams, Nyquist and Nichols plots for motors and their control units to develop a deeper level of understanding.

BLDC (Brushless Direct Current) motors are widely used today due to its high reliability and high... more BLDC (Brushless Direct Current) motors are widely used today due to its high reliability and high efficiency. These motors are synchronous motors that have a linear relationship between voltage-speed and current-torque. To control these kinds of motors, inverters are needed. Inverters create a rotational movement in the motor by switching at the appropriate time according to the rotor position information. Rotor position is obtained in two ways, with and without sensor. Sensor method uses encoders, resolvers or hall effect sensor. Hall-effect sensors are generally preferred for the control of BLDC motors in terms of cost. In this study, the rotor position was obtained by using hall-effect sensor. Pulse Width Modulation (PWM) is used to control the frequency and voltage of the inverters. Today, Sinusoidal PWM (SPWM) and Space Vector Pulse Width Modulation (SVPWM) techniques are frequently used in such applications. This study explains the development of a Field Oriented Control Algorithm (FOC) based on SVPWM technique by using the LabVIEW FPGA Module for a BLDC Motor. It also shows the effects of using PI and FFC (Feed Forward Control) algorithm together and separately in the controller for the control of Id and Iq reference currents. In addition, simulation of all project was developed and run in Matlab/Simulink.

2021 International Conference on Electrical, Computer, Communications and Mechatronics Engineering (ICECCME), Oct 7, 2021

Electric motors, especially direct current electric motors, are the most convenient way of studyi... more Electric motors, especially direct current electric motors, are the most convenient way of studying the application of magnetic fluid because of motor rapid response to changes in parameters. This study demonstrates the effects of a magnetic liquid (ferrofluid) on a permanent magnet brushed direct current (PMDC) motor. The ferrofluid was applied by smearing it on the shaft of the motor. The maximum amount of ferrofluid was determined to the non-linearity of the characteristics of the motor. The experimental results showed that the ferrofluid affected the motor-operating parameter values, particularly speed and losses, offering an interesting potential to improve efficiency, which consequently results in energy savings. Some equations for the affected parameters have been presented, including the circuit theory. It was seen that by controlling the addition of ferrofluid, the most efficient flux motor parameters could be determined. Some dynamic calculations of PMDC motors are also mentioned, including the principles of magnetic circuits and field theory. Experimental verification by testing a PMDC motor confirmed the positive results.

Fen ve mühendislik bilimleri dergisi, Sep 11, 2015

Bu çalışmada,bipolar sürücülü hall sensörlü fırçasız doğru akım motoru BLDCM'nin sensörlerinin, o... more Bu çalışmada,bipolar sürücülü hall sensörlü fırçasız doğru akım motoru BLDCM'nin sensörlerinin, optimal çalışma aralığı deneysel olarak araştırılmıştır. Klasik doğru akım makinalarındaki teori ve deneylerle ispatlanmış, motoru en verimli haliyle çalıştıran rotor ve stotormagnetik eksenleri arasındaki 90 0 ye karşılık gelen açı, BLDCM'de teorik olarak 60 0 ile 120 0 olarak belirlendiğinden bu değerler için motor parametrelerine yansıyan avantajlar ve dezavantajlar deneysel verilerle araştırılmıştır. BLDCM'de rotor pozisyonun tam ve doğru bir şekilde belirlenmesi, başka bir deyişle; hallsensörlerin motorun çalışma parametrelerine etkisinin en verimli olacak şekilde yerleştirilmesi oldukça zor bir iştir. Teorik çalışmaların yanında titizlikle yapılması gereken deneysel çalışmalarda gereklidir. Bu çalışmada BLDCM'nin verimli çalışması için gerekli olan moment ve akım değerlerinin yanında, akım harmonik değerleri (THD) de ölçülmüş ve karşılaştırmalı bir analiz yapılmıştır. Bu araştırma çalışmasının sonuçları teorik bilgilerle de desteklenmiştir.