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1. IMPLEMENTING OF MICROSOFT AZURE MACHINE LEARNING TECHNOLOGY FOR ELECTRIC MACHINES OPTIMIZATION

Author

V. E. Pliugin, M. Sukhonos, M. Pan, A. N. Petrenko, and N. Ya. Petrenko

Subjects
electrical machines, optimization, algorithm, data set, machine learning, Microsoft Azure, cloud computing, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Abstract

Purpose. To consider problems of electric machines optimization within a wide range of many variables variation as well as the presence of many calculation constraints in a single-criteria optimization search tasks. Results. A structural model for optimizing electric machines of arbitrary type using Microsoft Azure machine learning technology has been developed. The obtained results, using several optimization methods from the Microsoft Azure database are demonstrated. The advantages of cloud computing and optimization based on remote servers are shown. The results of statistical analysis of the results are given. Originality. Microsoft Azure machine learning technology was used for electrical machines optimization for the first time. Recommendations for modifying standard algorithms, offered by Microsoft Azure are given. Practical value. Significant time reduction and resources spent on the optimization of electrical machines in a wide range of variable variables. Reducing the time to develop optimization algorithms. The possibility of automatic statistical analysis of the results after performing optimization calculations.

Published
2019
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2. DETERMINATION OF RAILWAY ROLLING STOCK OPTIMAL MOVEMENT MODES

Author

A. N. Petrenko, B. G. Liubarskiy, and V. E. Pliugin

Subjects
electromotive railway rolling stock, genetic algorithm, cooling system, traction motor, tramcar, control laws, optimization problem, efficiency, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Abstract

Purpose. To develop a methodology for simulating of an electromotive railway rolling stock in terms of power-optimal modes on a track with a given profile and a set motion graph. Methodology. We have used combined genetic algorithm to determine optimum modes of an electromotive railway rolling stock motion: a global search is performed by a genetic algorithm with a one-point crossover and roulette selection. At the final stage of the optimization procedure we have used Nelder-Mead method for the refinement of the optimum. Results. We have obtained that traction motor on a tramcar, while driving on a fixed site, has an excessive power of the cooling system. Its using only in the considered area allows to modernize the cooling system in the way of its power reducing, which in turn provides an opportunity to increase the overall efficiency of the electromotive railway rolling stock. Originality. For the first time, we have obtained the train motion equation in the program-oriented form. This allows to use it for determination of electromotive railway rolling stock optimal control laws according to the Hamilton-Jacobi-Bellman method. Practical value. We have made the computer program to determine optimum modes of an electromotive railway rolling stock motion. The experimental studies of program results for the track section have confirmed the adequacy of the model, which allows to solve the traffic modes optimization problem for the tram track sections and increase the overall efficiency of the electromotive railway rolling stock.

Published
2017
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3. IMITATION MODEL OF A HIGH-SPEED INDUCTION MOTOR WITH FREQUENCY CONTROL

Author

V. E. Pliugin, A. N. Petrenko, V. Grinina, O. Grinin, and A. Yehorov

Subjects
induction motor, squirrel cage, high-speed, scalar control, ANSYS, RMxprt, Simplorer, high-performance computing, simulation, vibration, noise, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Abstract

Purpose. To develop the imitation model of the frequency converter controlled high-speed induction motor with a squirrel-cage rotor in order to determine reasons causes electric motor vibrations and noises in starting modes. Methodology. We have applied the mathematical simulation of electromagnetic field in transient mode and imported obtained field model as an independent object in frequency converter circuit. We have correlated the simulated result with the experimental data obtained by means of the PID regulator factors. Results. We have made the simulation model of the high-speed induction motor with a squirrel-cage rotor speed control in AnsysRMxprt, Ansys Maxwell and Ansys Simplorer, approximated to their physical prototype. We have made models modifications allows to provide high-performance computing (HPC) in dedicated server and computer cluster to reduce the simulation time. We have obtained motor characteristics in starting and rated modes. This allows to make recommendations on determination of high-speed electric motor optimal deign, having minimum indexes of vibrations and noises. Originality. For the first time, we have carried out the integrated research of induction motor using simultaneously simulation models both in Ansys Maxwell (2D field model) and in Ansys Simplorer (transient circuit model) with the control low realization for the motor soft start. For the first time the correlation between stator and rotor slots, allows to obtain minimal vibrations and noises, was defined. Practical value. We have tested manufactured high-speed motor based on the performed calculation. The experimental studies have confirmed the adequacy of the model, which allows designing such motors for new high-speed construction, and upgrade the existing ones.

Published
2017
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4. IMITATION MODEL OF A HIGH-SPEED INDUCTION MOTOR WITH FREQUENCY CONTROL

Author

A. Yehorov, V. Grinina, V. E. Pliugin, O. Grinin, and O. Petrenko

Subjects
Electromagnetic field, Electric motor, squirrel cage, noise, Computer science, Stator, Automatic frequency control, RMxprt, law.invention, Quantitative Biology::Subcellular Processes, Simplorer, ANSYS, Control theory, law, Rotor (electric), Squirrel-cage rotor, scalar control, high-performance computing, Електричні машини та апарати, simulation, induction motor, TK1-9971, high-speed, Motor soft starter, Electrical engineering. Electronics. Nuclear engineering, vibration, Induction motor
Abstract

Purpose. To develop the imitation model of the frequency converter controlled high-speed induction motor with a squirrel-cage rotor in order to determine reasons causes electric motor vibrations and noises in starting modes. Methodology. We have applied the mathematical simulation of electromagnetic field in transient mode and imported obtained field model as an independent object in frequency converter circuit. We have correlated the simulated result with the experimental data obtained by means of the PID regulator factors. Results. We have made the simulation model of the high-speed induction motor with a squirrel-cage rotor speed control in AnsysRMxprt, Ansys Maxwell and Ansys Simplorer, approximated to their physical prototype. We have made models modifications allows to provide high-performance computing (HPC) in dedicated server and computer cluster to reduce the simulation time. We have obtained motor characteristics in starting and rated modes. This allows to make recommendations on determination of high-speed electric motor optimal deign, having minimum indexes of vibrations and noises. Originality. For the first time, we have carried out the integrated research of induction motor using simultaneously simulation models both in Ansys Maxwell (2D field model) and in Ansys Simplorer (transient circuit model) with the control low realization for the motor soft start. For the first time the correlation between stator and rotor slots, allows to obtain minimal vibrations and noises, was defined. Practical value. We have tested manufactured high-speed motor based on the performed calculation. The experimental studies have confirmed the adequacy of the model, which allows designing such motors for new high-speed construction, and upgrade the existing ones. Разработана имитационная модель высокоскоростного асинхронного двигателя с короткозамкнутым ротором при скалярном частотном управлении в программном пакете AnsysMaxwell&Simplorer. При моделировании на кластере высокопроизводительных расчетов выполнены параллельные вычисления полевой модели электродвигателя (AnsysMaxwell 2D) и модели, построенной на основе теории цепей (Ansys Simplorer), что позволило создать имитационные модели, приближенные к их физическим прототипам. Выполнен анализ пусковых характеристик, оптимизированы параметры электродвигателя. Даны рекомендации по выбору числа пазов статора и ротора высокоскоростного асинхронного двигателя, что позволило существенно уменьшить вибрации и шумы в режиме пуска.

Published
2017

5. DETERMINATION OF RAILWAY ROLLING STOCK OPTIMAL MOVEMENT MODES

Author

B. G. Liubarskiy, A. N. Petrenko, and V. E. Pliugin

Subjects
Optimization problem, Computer science, 020209 energy, Crossover, 0211 other engineering and technologies, 02 engineering and technology, Traction motor, cooling system, Control theory, electromotive railway rolling stock, 021105 building & construction, 0202 electrical engineering, electronic engineering, information engineering, medicine, genetic algorithm, Електротехнічні комплекси та системи. Силова електроніка, Roulette, Computer program, control laws, Equations of motion, Optimal control, Physics::Classical Physics, TK1-9971, traction motor, efficiency, tramcar, Tram track, Electrical engineering. Electronics. Nuclear engineering, medicine.symptom, optimization problem
Abstract

Purpose. To develop a methodology for simulating of an electromotive railway rolling stock in terms of power-optimal modes on a track with a given profile and a set motion graph. Methodology. We have used combined genetic algorithm to determine optimum modes of an electromotive railway rolling stock motion: a global search is performed by a genetic algorithm with a one-point crossover and roulette selection. At the final stage of the optimization procedure we have used Nelder-Mead method for the refinement of the optimum. Results. We have obtained that traction motor on a tramcar, while driving on a fixed site, has an excessive power of the cooling system. Its using only in the considered area allows to modernize the cooling system in the way of its power reducing, which in turn provides an opportunity to increase the overall efficiency of the electromotive railway rolling stock. Originality. For the first time, we have obtained the train motion equation in the program-oriented form. This allows to use it for determination of electromotive railway rolling stock optimal control laws according to the Hamilton-Jacobi-Bellman method. Practical value. We have made the computer program to determine optimum modes of an electromotive railway rolling stock motion. The experimental studies of program results for the track section have confirmed the adequacy of the model, which allows to solve the traffic modes optimization problem for the tram track sections and increase the overall efficiency of the electromotive railway rolling stock. Разработана методика моделирования движения асинхронного тягового двигателя при движении электроподвижного состава по энергооптимальным режимам на участке пути с заданным профилем и установленным графиком движения. Определены оптимальные режимы движения электроподвижного состава на основе метода Гамильтона-Якоби-Беллмана. Определение режимов работы тягового привода предложено проводить заранее на основании решения задачи условной оптимизации его режимов. Определение оптимальных режимов работы тягового привода было проведено на основе комбинированных методов условной минимизации функции. Использование предлагаемой методики позволяет повысить общий КПД электроподвижного состава.

Published
2017

6. Class structure of electromechanical energy converter models with UML-diagrams application

Author

V. E. Pliugin

Subjects
object-oriented, Computer science, Programming language, Energy converter, design, template, electrical machine, class, object, mathematical model, inheritance, Topology, computer.software_genre, TK1-9971, Unified Modeling Language, 621.313.33: 621.318.122, Electrical engineering. Electronics. Nuclear engineering, computer, computer.programming_language
Abstract

Theoretical results are presented, mathematical model formation by means of inheritance from a generalized class template is shown for a general electromechanical energy converter., Приведены результаты теоретических исследований, показано формирование математической модели произвольного электромеханического преобразователя энергии путем наследования от обобщенного классового шаблона., Приведені результати теоретичних досліджень, показано формування математичної моделі довільного електромеханічного перетворювача енергії шляхом наслідування від узагальненого класового шаблону.

Published
2014

7. USING OF OBJECT-ORIENTED DESIGN PRINCIPLES IN ELECTRIC MACHINES DEVELOPMENT

Author

V. E. Pliugin, A. N. Petrenko, and N.N. Zablodskii

Subjects
Optimal design, Engineering, business.product_category, designing, 621.313:004.696, electric machine, object-oriented, class, object, template, inheritance, hierarchy, mathematical modeling, electromagnetic field, optimization, algorithm, law.invention, Object-oriented design, law, Electric machine, Rotor (electric), business.industry, Squirrel-cage rotor, Control engineering, TK1-9971, Electromagnetic coil, електрична машина, об'єктно-орієнтований, клас, об'єкт, шаблон, спадкоємство, ієрархія, проектування, математичне моделювання, електромагнітне поле, оптимізація, алгоритм, Software design, Electrical engineering. Electronics. Nuclear engineering, business, Induction motor, электрическая машина, объектно-ориентированный, класс, объект, наследование, иерархия, проектирование, математическое моделирование, электромагнитное поле, оптимизация
Abstract

Purpose. To develop the theoretical basis of electrical machines object-oriented design, mathematical models and software to improve their design synthesis, analysis and optimization. Methodology. We have applied object-oriented design theory in electric machines optimal design and mathematical modelling of electromagnetic transients and electromagnetic field distribution. We have correlated the simulated results with the experimental data obtained by means of the double-stator screw dryer with an external solid rotor, brushless turbo-generator exciter and induction motor with squirrel cage rotor. Results. We have developed object-oriented design methodology, transient mathematical modelling and electromagnetic field equations templates for cylindrical electrical machines, improved and remade Cartesian product and genetic optimization algorithms. This allows to develop electrical machines classifications models, included not only structure development but also parallel synthesis of mathematical models and design software, to improve electric machines efficiency and technical performance. Originality. For the first time, we have applied a new way of design and modelling of electrical machines, which is based on the basic concepts of the object-oriented analysis. For the first time is suggested to use a single class template for structural and system organization of electrical machines, invariant to their specific variety. Practical value. We have manufactured screw dryer for coil dust drying and mixing based on the performed object-oriented theory. We have developed object-oriented software for design and optimization of induction motor with squirrel cage rotor of AIR series and brushless turbo-generator exciter. The experimental studies have confirmed the adequacy of the developed object-oriented design methodology., Выполнен анализ применимости теории объектно-ориентированного анализа в проектировании и математическом моделировании электрических машин. Рассмотрены объектно-ориентированные модели электрических машин, синтез которых осуществляется как на основе положений теории электромагнитного поля, так и на основе дифференциальных уравнений электромагнитных переходных процессов. Обоснованы преимущества объектно-ориентированного подхода в проектировании. Определены основные принципы объектно-ориентированного проектирования., Виконано аналіз застосовності принципів об'єктно-орієнтованого проектування в розробці і оптимізації електричних машин. Розглянуті об'єктно-орієнтовані моделі електричних машин, синтез яких здійснюється як на основі положень теорії електромагнітного поля, так і на основі диференціальних рівнянь електромагнітних перехідних процесів. Обґрунтовані переваги об'єктно-орієнтованого підходу в проектуванні. Визначені основні принципи об'єктно-орієнтованого проектування.

Published
2016

8. 3D magnetic filed distribution in a screw double-stator induction motor

Author

Nikolai Zablodskiy and V. E. Pliugin

Subjects
Electric motor, Engineering, business.industry, Rotor (electric), Stator, Squirrel-cage rotor, Electrical engineering, magnetic field, Mechanics, Physics::Classical Physics, induction motor, Wound rotor motor, Reluctance motor, Magnetic field, law.invention, Quantitative Biology::Subcellular Processes, Condensed Matter::Materials Science, ferromagnetic rotor, law, distribution, Physics::Accelerator Physics, screw, business, Induction motor
Abstract

In this paper Ansys Maxwell calculation result of 3D magnetic field in a double-stator screw induction motor with hollow outer ferromagnetic rotor is given.

Published
2015
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