Катедра "Теоретична електротехника"

• Ръководител катедра

  
  Лична страница

  

  проф. дн инж. Валери Младенов,

  
  

  
  

  Контакти -

  • Кабинет: 12518
  • Телефон: 02 965-2386
  • E-mail: valerim@tu-sofia.bg

  Водени дисциплини

  • Теоретична електротехника - I част
  • Теоретична електротехника - II част
  • Размито управление и невронни мрежи

  Публикации

  • Предсказване на дневната електрическа консумация с използване на невронни мрежи
  • Analysis of RM, LM and CM circuits with one memristor and sources of a sine voltage and current
  • Analysis of a LCM equivalent circuit of memristor and impulse voltage sources
  • Analysis of a serial circuit with two memristors and voltage source at sine and impulse regime
  • ИЗСЛЕДВАНЕ НА ВЕРИГА С ЕДИН МЕМРИСТОР И ИДЕАЛЕН ИЗТОЧНИК НА СИНУСОИДАЛНО НАПРЕЖЕНИЕ
  • Optimisation procedure for determination of the optimal parallel lines for 110 KV electric power distribution systems
  • Analysis of temperature influence on titaniumdioxide memristor characteristics at pulse mode
  • Investigation of memristors’ own parasitic parameters and mutual inductances between neighbouring elements of a memristor matrix and their influence on the characteristics
  • Analysis of the mutual inductive and capacitive connections and tolerances of memristor’s parameter’s of a memristor memory matrix
  • Syntheses of a PSpice Model of a Titaniumdioxide Memristor and Wien Memristor generator
  • Analysis and Synthesis of Band-Pass and Notch Memristor Filters
  • Оптимизационна процедура с разширено моделиране, включващо и капацитет на линиите за определяне на локацията на оптимални резервиращи паралелни линии при електроразпределителните мрежи
  • BRAINWAVE TYPE DETECTION IN MATLAB WITH EEG SIGNALS

  Име:	Валери Младенов
  Научна степен:	проф. дн инж.
  Телефон:	02 965-2386
  Кабинет:	12518
  E-mail:	valerim@tu-sofia.bg

  Заместник ръководител

  
  

  Име:	Николина Петкова
  Научна степен:	доц. д-р инж.
  Телефон:	02 965-2498
  Кабинет:	12417
  E-mail:	npetkova@tu-sofia.bg

Академичен състав

проф. дн инж.	Валери Младенов проф. дн инж. Валери Младенов, Контакти - Кабинет: 12518 Телефон: 02 965-2386 E-mail: valerim@tu-sofia.bg Водени дисциплини Теоретична електротехника - I част Теоретична електротехника - II част Размито управление и невронни мрежи Публикации Предсказване на дневната електрическа консумация с използване на невронни мрежи Analysis of RM, LM and CM circuits with one memristor and sources of a sine voltage and current Analysis of a LCM equivalent circuit of memristor and impulse voltage sources Analysis of a serial circuit with two memristors and voltage source at sine and impulse regime ИЗСЛЕДВАНЕ НА ВЕРИГА С ЕДИН МЕМРИСТОР И ИДЕАЛЕН ИЗТОЧНИК НА СИНУСОИДАЛНО НАПРЕЖЕНИЕ Optimisation procedure for determination of the optimal parallel lines for 110 KV electric power distribution systems Analysis of temperature influence on titaniumdioxide memristor characteristics at pulse mode Investigation of memristors’ own parasitic parameters and mutual inductances between neighbouring elements of a memristor matrix and their influence on the characteristics Analysis of the mutual inductive and capacitive connections and tolerances of memristor’s parameter’s of a memristor memory matrix Syntheses of a PSpice Model of a Titaniumdioxide Memristor and Wien Memristor generator Analysis and Synthesis of Band-Pass and Notch Memristor Filters Оптимизационна процедура с разширено моделиране, включващо и капацитет на линиите за определяне на локацията на оптимални резервиращи паралелни линии при електроразпределителните мрежи BRAINWAVE TYPE DETECTION IN MATLAB WITH EEG SIGNALS тел.:02 965-2386 каб.:12518 E-mail: valerim@tu-sofia.bg
проф. д-р инж.	Живко Георгиев тел.:02 965-3181 каб.:12419 E-mail: zhdgeorg@tu-sofia.bg
проф. д-р инж.	Илона Николова-Ячева тел.:02 965-3389 каб.:12514 E-mail: iiach@tu-sofia.bg
проф. д-р инж.	Костадин Брандиски тел.:02 965-3809 каб.:12521 E-mail: kbran@tu-sofia.bg
доц. д-р инж.	Атанас Червенков тел.:02 965-3809 каб.:12521 E-mail: acher@tu-sofia.bg
доц. д-р	Веселин Чобанов тел.:02 965-3395 каб.:12502 E-mail: vesselin_chobanov@tu-sofia.bg
доц. д-р инж.	Георги Ценов тел.:02 965-3195 каб.:12504 E-mail: gogotzenov@tu-sofia.bg
доц. д-р инж.	Николина Петкова тел.:02 965-2498 каб.:12417 E-mail: npetkova@tu-sofia.bg
доц. д-р инж.	Симона Филипова-Петракиева доц. д-р инж. Симона Филипова-Петракиева, Контакти - Кабинет: 12418 Телефон: 02 965-2388 E-mail: petrakievas-te@tu-sofia.bg Контакти - Кабинет: 1236 Телефон: 02 965-2121 E-mail: petrakievas-te@tu-sofia.bg Приемно време Понеделник: 10:00 - 11:30 ч. Вторник: 11:30 - 13:00 ч. Водени дисциплини Дискретна математика Дискретни структури Теоретична електротехника (ФТК) Лекции Теоретична електротехника (бълг. и англ. език) Дискретни структури (бълг. и англ. език) Упражнения Семинарни упражнения: Теоретична електротехника (бълг. и англ. език) Дискретни структури (бълг. и англ. език) Лабораторни упражнения: Дискретни структури (бълг. и англ. език) Курсов проект Дискретни структури (бълг. език) Дисертации ОНС "доктор" тема: "Оценка на устойчивостта на линейни вериги и системи с интервални данни" Публикации ОПТИМИЗАЦИЯ НА МЕ¬ТОДА НА ХАКИМИ ЗА ОПРЕДЕ-ЛЯНЕ АБСОЛЮТЕН ЦЕНТЪР НА НЕОРИЕНТИРАН ГРАФ тел.:02 965-2388 каб.:12418 E-mail: petrakievas-te@tu-sofia.bg
доц. д-р инж.	Снежана Терзиева тел.:02 965-2394 каб.:12516 E-mail: ster19@tu-sofia.bg
гл. ас. д-р инж.	Иван Трушев тел.:02 965-3387 каб.:12415 E-mail: ivant@tu-sofia.bg
ас. д-р инж. физ.	Димитър Димитров E-mail: dpdimitrov@tu-sofia.bg
маг. инж.	Иван Табахнев тел.:02 965-2498 каб.:12417 E-mail: tabahnev@tu-sofia.bg
ас.	Иван Зайков тел.:02 965-3181 каб.:12419
гл. ас. д-р	Стоян Кирилов тел.:02 965-3319 каб.:12523 E-mail: s_kirilov@tu-sofia.bg

Помощно-технически персонал

• Дискретна математика

  • Дискретна математика

    ФПМИ, ОКС "бакалавър", 1 курс, 2 семестър, спец. ПМИ

    Лектори:

    доц. д-р инж. Симона Филипова-Петракиева
• Дискретни структури

  • Дискретни структури

    ФКСТ, ОКС "бакалавър", 3 курс, 6 семестър, спец. КСИ, напр. ИТ и ФПМИ - ОКС "бакалавър", 1 курс, 1 семестър, спец. ИСН

    Лектори:

    доц. д-р инж. Симона Филипова-Петракиева
• Размито управление и невронни мрежи

  • Основни теми: размити множества, отношения и логика; функции на принадлежност; композиции; лингвистични променливи; размито изображение на входно-изходни връзки; извеждане на размито заключение; размито моделиране; модели на Мамдани, Ларсен и Такаги-Сугено; размити и невронно-размити регулатори; управляваща стратегия и повърхнина; размити системи за управление – настройка, устойчивост, робастност; изкуствени невронни мрежи– биологичен прототип, архитектури; еднослойни мрежи и методи за обучение (правило на Хеб, делта правило); многослойни мрежи – обучение чрез обратно разпространение на грешката; невронни мрежи с радиални базови функции; самоорганизиращи се, рекурентни, вероятностни и динамични невронни мрежи; размито-невронно моделиране и управление; програмни системи Fuzzy Logic, Neural Networks и SIMULINK на MATLAB; приложения от енергетиката, екологията и комуникациите.

    Лектори:

    проф. дн инж. Валери Младенов
• Теоретична електротехника (ФТК)

  • Теоретична електротехника  (ФТК)

    ФТК, ОКС "бакалавър", 2 курс, 3 семестър, спец. ТК

    Лектори:

    доц. д-р инж. Симона Филипова-Петракиева
• Теоретична електротехника - I част

  • Разглеждат се основни понятия и закони за електрически вериги, синусоидални режими във вериги с и без индуктивни връзки, резонансни явления, матрични описания, свойства и теореми за електрически вериги, трифазни вериги и четириполюсници.

    Лектори:

    проф. дн инж. Валери Младенов
• Теоретична електротехника - II част

  • Целта на обучението по “Теоретична електротехника - II” е да запознае студентите с несинусоидалните режими в линейни вериги, веригите с разпределени параметри, основните подходи за описване на преходните процеси в линейни и в нелинейни електрически вериги, както и с методите за анализ на тези процеси. Студентите получават и основни знания от теорията на електромагнитното поле.

    Лектори:

    проф. дн инж. Валери Младенов

• Изследване индуктивното влияние на въздушна линия за високо напрежение върху електротехнически съоръжения
  
• Изследване на капацитивното влияние на въздушна линия за високо напрежение върху електротехническите съоръжения
  
• Анализ на магнитното поле на въздушна линия за високо напрежение
  
• Modelling and Analysis of Hybrid Power Station
  
• Numerical modeling of the magnetic field distribution in single-phase single-core transformer
  
• Interactive education web-based platform for theoretical electrical engineering related topics
  
• Performance analysis and modelling of grid-connected small photovoltaic system
  
• Теоретична електротехника
  
• Simulation of sinusoidal voltage inverter using reducing switching losses PWM
  
• Modelling and evaluation of electromagnetic field of urban high-voltage power line
  
• Теоретиочна електротехника I част
  
• Теоретична електротехника II част
  
• Simulation Modelling of Reasonably Application of Small Wind Power System in Bulgaria
  
• Числени методи и моделиране на вериги и полета част и учебно пособие
  
• Ръководство за курсова работа по Теоретична Електротехника с MATLAB
  
• Ръководство за лабораторни упражнения по Електротехника
  
• Investigation of the influence of the electromagnetic field in the vicinity of high voltage overhead line
  
• Ръководство за курсова работа по Теоретична Електротехника
  
• Electromagnetic field evaluation in building located close to high-voltage overhead line
  
• Identification of Moving Lightning Clouds Using Four-dimensional Electromagnetic Potential
  
• Identification of Lighting Clouds Presented by Electric Dipole
  
• Ръководство за решаване на задачи по електротехника с LTspice
  
• Предсказване на дневната електрическа консумация с използване на невронни мрежи
  
• MODELING AND IMPLEMENTATION OF FIRST ORDER SIGMA-DELTA MODULATOR
  
• ПРЕДСКАЗВАНЕ ДНЕВНАТА ЕЛЕКТРИЧЕСКА КОНСУМАЦИЯ С ИЗПОЛЗВАНЕ НА НЕВРОННИ МРЕЖИ
  
• Optimisation procedure for determination of the optimal parallel lines for 110 KV electric power distribution systems
  
• BRAINWAVE TYPE DETECTION IN MATLAB WITH EEG SIGNALS
  
• СИНТЕЗ И АНАЛИЗ НА МЕМРИСТОРЕН ЧЕСТОТЕН УМНОЖИТЕЛ
  
• Electroencephalography for TV advertisement decomposition
  
• Combined EEG and EMG fatigue measurement framework with application to hybrid brain-computer interface
  
• Non-intrusive sleep analyzer for real time detection of sleep anomalies
  
• Personalized and intelligent sleep lifestyle reasoner with web application for improving quality of sleep part of AAL architecture
  
• Humanoid robot control with EEG brainwaves
  
• Face recognition system in Android using neural networks
  
• Implementation of a feed-forward Artificial Neural Network in VHDL on FPGA
  
• Neural networks for online classification of hand and finger movements using surface EMG signals
  
• Speech recognition using neural networks
  
• Approximation formula for easy calculation of signal-to-noise ratio of sigma-delta modulators
  
• A practical modelling for the design of a sigma delta class D power switching amplifier and its pedagogical application
  
• Simple modelling and method for the design of a sigma delta class D power amplifier
  
• COVID-19 detection with X-Ray input data
  
• СЪЗДАВАНЕ НА ПРОФИЛ ЗА ДНЕВНАТА ЕЛЕКТРИЧЕСКА КОНСУМАЦИЯ НА ПРЕДПРИЯТИЯ С ИЗПОЛЗВАНЕ НА НЕВРОННИ МРЕЖИ
  
• Neural Networks used for Speech Recognition
  
• Neural network control of an inverted pendulum on a cart
  
• Application of Neural networks for time series electrical consumption forecasts
  
• Biosignal measurements for Neurophysiological tests aimed to determine new beverage responses
  
• EEG alphabet speller with Neural Network classifier for P300 signal detection
  
• Application of GPU Accelerated Deep Learning Neural Networks for COVID-19 Recognition from X Ray Scans
  
• CONCEPTION OF THE COURSE PROJECT IN THE THEORETICAL FOUNDATIONS OF ELECTRICAL ENGINEERING
  
• Analysis of RM, LM and CM circuits with one memristor and sources of a sine voltage and current
  
• Analysis of a LCM equivalent circuit of memristor and impulse voltage sources
  
• Analysis of a serial circuit with two memristors and voltage source at sine and impulse regime
  
• ИЗСЛЕДВАНЕ НА ВЕРИГА С ЕДИН МЕМРИСТОР И ИДЕАЛЕН ИЗТОЧНИК НА СИНУСОИДАЛНО НАПРЕЖЕНИЕ
  
• Analysis of temperature influence on titaniumdioxide memristor characteristics at pulse mode
  
• Investigation of memristors’ own parasitic parameters and mutual inductances between neighbouring elements of a memristor matrix and their influence on the characteristics
  
• Analysis of the mutual inductive and capacitive connections and tolerances of memristor’s parameter’s of a memristor memory matrix
  
• Syntheses of a PSpice Model of a Titaniumdioxide Memristor and Wien Memristor generator
  
• Analysis and Synthesis of Band-Pass and Notch Memristor Filters
  
• Оптимизационна процедура с разширено моделиране, включващо и капацитет на линиите за определяне на локацията на оптимални резервиращи паралелни линии при електроразпределителните мрежи
  
• Fuzzy control of carbon dioxide concentration in premises
  
• New Design of Aluminum Bolted Busbar Connections
  
• System for monitoring and control of the Baxter robot
  
• BAXTER” INDUSTRIAL ROBOT ONLINE CONTROL
  
• A Nonlinear Drift Memristor Model with a Modified Biolek Window Function and Activation Threshold
  
• A Memristor Model with a Modified Window Function and Activation Thresholds
  
• Memristor modeling in Matlab & PSpice
  
• Synthesis and Analysis of a Memristor-Based Perceptron for Logical Function Emulation
  
• Analysis of an anti-parallel memristor circuit
  
• Integrator device with a memristor element
  
• Learning of an Artificial Neuron with Resistor-Memristor Synapses
  
• A Nonlinear Memristor Model with Activation Thresholds and Variable Window Functions
  
• Analysis of a Passive Memristor Crossbar
  
• Advanced memristor model with a modified Biolek window and a voltage-dependent variable exponent
  
• Early detection of multiple sclerosis and the implementation of clinical trials recruitment process with ML methods
  
• Real time monitoring of incipient faults in power transformer
  
• Study and Analysis of Systems for Monitoring in Power Substations
  
• Impact of renewable energy sources on power system flexibility requirements
  
• Flexibility Assessment Studies Worldwide-Bridging with the Adequacy Needs
  
• A Modified Tantalum Oxide Memristor Model for Neural Networks with Memristor-Based Synapses
  
• Control of various robots through signals from the brain activity
  
• A New Simplified Model for HfO2-Based Memristor
  
• Electricity market clearing algorithms: A case study of the Bulgarian power system
  
• Analysis of memory matrices with hfo 2 memristors in a pspice environment
  
• Analysis and Simulations of Hybrid Memory Scheme Based on Memristors
  
• Synthesis and analysis of a memristor-based artificial neuron
  
• Artificial intelligence in cyber threats intelligence
  
• Решени примери по Дискретни Структури - 4-то издание
  
• A New Simplified Model and Parameter Estimations for a HfO2-Based Memristor
  
• MEMRISTOR - THE FOURTH FUNDAMENTAL ELEMENT
  
• Advanced Memristor Modeling: Memristor Circuits and Networks
  
• On the computation of the voltage distribution along the non-linear resistor of gapless metal oxide surge arresters
  
• Factor Analysis for Finding Invariant Neural Descriptors of Human Emotions
  
• Applications of neural networks for control of a double inverted pendulum
  
• Estimation of the Electric Field across Medium Voltage Surge Arresters Using Artificial Neural Networks
  
• УСЪВЪРШЕНСТВАНО МОДЕЛИРАНЕ НА МЕМРИСТОРИ
  
• Electrical Engineering - Second Edition
  
• Power System Studies in the Clean Energy Era: From Capacity to Flexibility Adequacy Through Research and Innovation
  
• Parallel Image Stitching Based on Multithreaded Processing on GPU
  
• Sugeno Predictive Neuro-Fuzzy Controller for Control of Nonlinear Plant under Uncertainties
  
• Теоретична електротехника
  
• Теоретична електротехника
  
• Ръководство за семинарни упражнения по теоретична електротехника - Част 1
  
• Ръководство за семинарни упражнения по теоретична електротехника - Част 2
  
• Ръководство за решаване на задачи по теоретична електротехника с PSpice (OrCAD 16.3)
  
• Design of two-dimensional recursive filters by using neural networks
  
• Comparison of neural networks for solving the travelling salesman problem
  
• Design of artificial neural network models for the prediction of the Hellenic energy consumption
  
• Application of neural networks for control of inverted pendulum
  
• Characterisation and evaluation of flexibility of electrical power system
  
• Technologies for energy exchange and provision of grid services
  
• Network flexibility and risk assessment as part of NordPool energy market
  
• Defense against cyber-attacks on the Hydro Power Plant connected in parallel with Energy System
  
• An artificial neural network software tool for the assessment of the electric field around metal oxide surge arresters
  
• Improved techniques for long-distance signal propagation within the rapid single-flux quantum digital circuits
  
• Optimal operation of electric power production system without transmission losses using artificial neural networks based on augmented lagrange multiplier method
  
• Interval mathematics algorithms for tolerance analysis
  
• Analysis of signal competition in asynchronous ultra high-speed digital circuits
  
• Electric load forecasting with multilayer perceptron and Elman neural network
  
• Calculation of the acceleration of parallel programs as a function of the number of threads
  
• Analysis and Evaluation of Distance Schooling and Learning with Respect to ICT Usage During COVID-19 Period in Bulgaria
  
• A Unified and Open LTSPICE Memristor Model Library
  
• A short‐term load forecasting method using artificial neural networks and wavelet analysis
  
• ANALYSIS OF A CIRCUIT WITH ONE MEMRISTOR AND IDEAL SOURCE OF SINE VOLTAGE
  
• Analysis of the mutual inductive and capacitive connections and tolerances of memristors parameters of a memristor memory matrix
  
• Analysis of temperature influence on titanium dioxide memristor characteristics at pulse mode
  
• Syntheses of a PSpice Model of a Titanium-dioxide Memristor and Wien Memristor generator
  
• Investigation of memristors’ own parasitic parameters and mutual inductances between neighbouring elements of memristor matrix and their influence on the characteristics
  
• Synthesis and Analysis of a Memristor Frequency Converter for Radio-receiver
  
• A Simplified Model of Tantalum Oxide Based Memristor and Application in Memory Crossbars
  
• Application of a memristive neural network for classification of covid-19 patients
  
• A Neural Synapse Based on Ta2O5 Memristor
  
• A Simplified Tantalum Oxide Memristor Model, Parameters Estimation and Application in Memory Crossbars
  
• A Flexibility Market Platform for Electricity System Operators Using Blockchain Technology
  
• Using Elman and FIR neural networks for short term electric load forecasting
  
• On the Periodic Solutions in One Dimensional Cellular Nonlinear Networks Based on Josephson Junctions (JJ's)
  
• Distributed Generation Islanding Effect on Distribution Networks and End User Loads Using the Master-Slave Islanding Method
  
• GPS/GPRS/INS system for real-time monitoring of the urban railway
  
• A short-term load forecasting method using artificial neural networks and wavelet analysis
  
• Performance Analysis of a Dynamic Line Rating System Based on Project Experiences
  
• A method for validation the limit cycles of high order Sigma-Delta modulators
  
• Bolted Busbar Connections with Longitudinal Slots
  
• EVALUATION OF DISTANCE BASED AMPLITUDE PANNING FOR SPATIAL AUDIO
  
• New Connection Design of High Power Bolted Busbar Connections
  
• Synthesis of generalized Van der Pol oscillator systems
  
• Synchronization of chaotic cellular neural networks based on Rössler cells
  
• Statistical description and optimization of the time-domain parameters of asynchronous RSFQ digital circuits
  
• The Josephson Transmission Line as an Impedance Matching Circuit
  
• Optimal signal propagation speed of a Josephson transmission line
  
• Trading process and flexibility energy service exchange
  
• Peer to Peer technologies in energy network
  
• Electricity Energy Market Demonstration and Clearing
  
• Forecasting and risk assessment in MV grids
  
• ANALYSIS OF THE INTEGRATION OF THE OPPORTUNITIES PROVIDED BY MYSQL DATABASE IN THE FIELD OF LEARNING ANALYTICS
  
• Short-Term Load Forecasting Using a Chaotic Time Series
  
• On the stability of high order Sigma-Delta modulators
  
• Modeling diversity in recovery computer systems
  
• A software platform for digital assessment of pedagogical specialists’ qualification progress in Bulgaria
  
• A Nonlinear Titanium Dioxide Memristor Model for Memory Crossbars Analysis
  
• Application of a Nonlinear Drift Memristor Model in Analogue Reconfigurable Devices
  
• A General Model for Metal Oxide-Based Memristors and Application in Filters
  
• A Modified Metal Oxide Memristor Model
  
• An Improved Model for Metal Oxide-Based Memristors and Application in Memory Crossbars
  
• Defending Industrial Internet of Things Against Modbus/TCP Threats: A Combined AI-Based Detection and SDN-Based Mitigation Solution
  
• Interval criterion for stability analysis of discrete-time nural networks with partial state saturation nonlinearities
  
• Flexibility adequacy assessment in the SEE region with new technology integration
  
• Flexibility issues in EU, Bulgarian and Greek power networks
  
• Fault-Tolerant SDN Solution for Cybersecurity Applications
  
• Computer-Aided Education in Theoretical Electrical Engineering at the Technical University of Sofia: Part II
  
• Interval criterion for stability analysis of discrete-time nonlinear systems with partial state saturation nonlinearities
  
• Adaptive sliding mode control for dc/dc buck converters
  
• Cellular Neural Networks: Theory & Applications
  
• Humanoid Robot Detecting Animals via Neural Network
  
• Policy Framework Enabling Flexibility Markets—Bulgarian Case
  
• Comparison Study of Top Development Boards in the Context of IOT
  
• Why the WSEAS is Not a Predatory Publisher. Is WSEAS a Predatory Publisher? No! Of Course, No!
  
• New Methods for Analyzing Complex Biomedical Systems and Signals
  
• Neuro-Fuzzy Control for Anaerobic Wastewater Treatment
  
• ТЕХНИКО-ИКОНОМИЧЕСКИ ПОКАЗАТЕЛИ ЗА ОЦЕНЯВАНЕ ФУНКЦИОНАЛНОСТТА НА СИЛОВИТЕ ТРАНСФОРМАТОРИ
  
• Диагностика и дефекти в изолационната система на силови трансформатори
  
• PSpice Investigation of Harmonic Analysis of a Rectangular Pulse
  
• Parameterized study of high-frequency welding system
  
• 3D modelling of electric field in vicinity of 400 kV power line
  
• A new model for calculating the losses in the electricity distribution network
  
• Challenges of Online Laboratory Electrical Engineering Exercises
  
• Study of electrical insulation in the presence of heterogeneous inclusions
  
• Application of Parametric Simulations in Learning Process - Opportunities and Benefits
  
• Analysis of methods and MEMS for Acoustic Energy Harvesting with Application in Railway Noise Reduction
  
• ДЕФИНИРАНЕ НА КРИТЕРИИ ЗА ИЗБОР НА ЛАМПИ ЗА УЛИЧНО ОСВЕТЛЕНИЕ
  
• МОДЕЛИРАНЕ И СИМУЛАЦИЯ НА ВЕРИГИ ПРИ ОБУЧЕНИЕТО ПО ДИСЦИПЛИНАТА “ВЕРИГИ И СИГНАЛИ”
  
• Полеви проблеми при минимизация на външни загуби в едномодови оптични влакна
  
• Analysis of a Wind Farm with SCIG Integrated into a High Power System
  
• Analysis of the operational parameters of a medium voltage cable line
  
• CAD системи в електромагнетизма
  
• "Transition of stationary to pulsating solutions in the complex cubic-quintic Ginzburg-Landau equation in the presence of intrapulse Raman scattering and self-steepening under the influence of nonlinear gain."
  
• Influence of the higher - order effects on stationary pulses in the presence of linear and nonlinear gain/loss and spectral filtering
  
• Transitions of stationary to pulsating solutions in the complex cubic-quintic Ginzburg-Landau equation under the influence of nonlinear gain and higher-order effects
  
• Analysis and synthesis of oscillator systems described by a perturbed double well Duffing equation
  
• Localized Pulsating Solutions of the Generalized Complex Cubic– Quintic Ginzburg-Landau Equation
  
• Analytical solution of the Duffing equation
  
• Analysis of electrical circuits supplied by sequence of impulses
  
• Influence of intrapulse Raman scattering on stationary pulses in the presence of linear and nonlinear gain as well as spectral filtering
  
• Analytical solution of the Duffing equation 1
  
• Self-frequency shift and nonlinear interaction of equilibrium and pulsating solutions in the presence of linear and nonlinear gain, spectral filtering, and intrapulse Raman scattering
  
• Electrical Device Protection from Overvoltage in a DC Power Supply Network
  
• Приложения на интеграла на Дюамел за анализ на електрически вериги и електронни схеми
  
• A Novel Method for Determining the Maximum Energy flows passed though the Electrical Power Systems under Interval Uncertainty
  
• Some Problems in Distance Learning on Theoretical Electrical Engineering in Technical University of Sofia
  
• Processes in Protecting the Electrical Devices from Overvoltages in DC-power supply network
  
• A New Universal Optimization Approach for Maximum Flows in Power Systems
  
• Overvotages Protection in Electrical Devices and Transient Analysis by Duhamel’s Integral
  
• The possibility of building energy management in municipal and residential buildings
  
• Enhancing energy efficiency through the implementation of photovoltaics in municipal and household buildings
  
• Assessing the stability of linear time-invariant interval dynamic systems
  
• Влияние на промяната на захранващото напрежение върху светлинния поток на разрядни лампи
  
• G- interval Method for Secure Chaotic Synchronization and Information Transmission
  
• Параметри и режими на работа на антипаралелно свързани светодиоди при захранване с постоянно и променливо напрежение
  
• Electrical Losses in SemiConductior Devices during Control of the Processes
  
• Applications of the Heuristic Optimization Approach for Determining a Maximum Flow Problem Based on the Graphs’ Theory
  
• Influence of the Working Conditions on the Parameters of the Transformers
  
• Investigation of residual current devices in high frequencies
  
• Automatic solution of transport problems using a new add-in to Excel
  
• The “artificial” short circuit in the input of the electrical devices realizing overcurrents protection
  
• Generelized Approach for Calculation Electrical Losses in Semiconductor Devices
  
• Forecasting time series for power consumption data in different buildings using the fractional Brownian motion
  
• Educational Application for Information Protection with the use of Cryptographic Methods – part I
  
• Educational Windows Presentation Foundation and XAML Application for Information Protection based on the Cryptographic Methods – part II
  
• Phase Control Scheme with High Accuracy and Symmetry of the Control Pulses
  
• Short-Term Forecasts of the Electrical Energy Consumption in Republic of Bulgaria
  
• Modelling of the behavior of high pressure discharge lamps in circuits with ballast
  
• Short-term forecasting of hourly electricity power demand, Reggresion and clusters methods for making short-term prognosis
  
• Shape Identification in a Magnetic Separation System
  
• Parametrized Modelling of a Hybrid Electromagnetic System with Magnetic Modulation
  
• FEM Modelling of Heat Effects in Cellular Materials under the Application of Electric Fields
  
• Electric Field Modeling in Case of Human Presence in the Vicinity of Power Line
  
• Application of field modeling and determination of parameters in electrical engineering education
  
• 3-D electromagnetic force distribution in the end region of turbogenerator
  
• Теоретична електротехника – ІІ част
  
• Modelling of the electric field applied to the ensembles of microparticles
  
• Study of low frequency electric field treatment of granular materials
  
• Dynamic behaviour investigation of electromagnetic force densities
  
• Modeling of electric and heat processes in spot resistance welding of cross-wire steel bars
  
• FEM Investigation of Induction Heating System for Pipe Brazing
  
• Modeling and study of a novel electrothermal oscillator based on shape memory alloys
  
• Investigation of heat effects in pulse electric field treatment of cellular materials
  
• Impact of the treatment media conductivity on the thermal effects in plant cellular materials during PEF processing
  
• Influence of power line parameters on the configuration of the magnetic field distribution in its vicinity
  
• Enhanced method for pulse skin effect calculation of cylindrical conductors
  
• Some Opportunities to Improve the Learning Process of Students Based on Computer Simulations
  
• Electromagnetic flow meter field distribution maximizing device sensitivity
  
• Industrial Heating System Creating Given Temperature Distribution
  
• Coupled electromagnetic-thermal field investigation in induction heating device
  
• Some Specifics in Field Modeling, Taking into Account the Coupling of Thermal, Mechanical and Physicochemical Features
  
• Influence of some design parameters on the performance of powerful reactors
  
• PSPICE MODEL OF A SLIDING MODE CONTROLLED DC/DC BUCK CONVERTER
  
• What is profitable dispersed generation?
  
• Demand response through grid connected south, east, west PV with energy storage
  
• Continuity of power supply in smart grid with PV penetration
  
• The impact of PV orientation in smart grids
  
• Reliability of electrical distribution network with decentralized production
  
• Examination of the influence of the dispersed generation in the distribution networks for medium voltage
  
• PV Plant Load Scheduling Using Battery Storage
  
• Renewable energy sources: beneficial for the climate, risky for the hospital energy supply in case of pandemic
  
• Electrical Infrastrucure in Hospitals risks and opportunity for quality healthcare
  
• Power Quality and financial risk for RES investments
  
• Evaluation of an electrical infrastructure of an existing building and economic and environmental benefits of its modernization
  
• Evaluation of Economic and Social Effects of Integrating a BMS System in Residential and Commercial Housing
  
• ДЕТЕКТОР НА ЛЪЖАТА С ИЗПОЛЗВАНЕ НА ЕЕГ СИГНАЛИ ОТ ЧОВЕШКИЯ МОЗЪК И КЛАСИФИКАЦИЯ С НЕВРОННИ МРЕЖИ
  
• СИНТЕЗ И АНАЛИЗ НА НИСКОЧЕСТОТНИ И ВИСОКОЧЕСТОТНИ ПАСИВНИ ФИЛТРИ С МЕМРИСТОРИ
  
• Analysis of Memristor-Based Differentiating Circuit
  
• A Neural Network with HfO2 Memristors
  
• A Metal Oxide Memristor-Based Oscillators and Filters
  
• APPLICATION OF NEURAL NETWORKS IN FIRE DETECTION SYSTEMS
  
• A sensitive DVD-based radon and thoron detector for environmental monitoring