Download more than 100 examples of thesis, proposal and project topics about input harmonics in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Master's Thesis, Electrical Engineering, Power, Abstract: The sliding mode control method is one of the most important non-linear control methods, whose distinctive characteristics are insensitivity to parameter changes, complete rejection of disturbance, and dealing with uncertainty. This controller first brings the system from the initial state using the law of reaching the ...
Master's Thesis Farsi Abstract: Today, with the expansion of DC consumers and non-linear loads connected to the network, the design and construction of power factor correction circuits using electronic power converters has gained special importance. With the advancement of technology, integrated circuits have come to help in this field. Due to the complexity and non-linear ...
Dissertation for master's degree in electrical engineering, power orientation Abstract: The use of renewable energy to produce electrical energy has increased increasingly with the expansion of the use of flexible alternating current transmission systems (FACTS), to compensate for the quality of power and voltage, the range of use of these energies has increased.
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power, high voltage, abstract. Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. ...
Thesis for master's degree in the field of electrical engineering (power) Farsi abstract: Today, with the expansion of DC consumers and non-linear loads connected to the network, the design and construction of power factor correction circuits using electronic power converters has gained special importance. With the advancement of technology, integrated circuits have come to help ...
Master's Thesis in Electrical Engineering - Power Abstract Nowadays, pulse width modulation techniques are widely used to control the output voltage and current of AC/DC converters. Among these methods, space vector modulation (SVM) has received a lot of attention due to its simplicity and favorable properties in controlling three-phase inverters digitally. The limitation of ...
Dissertation for receiving the master's degree ""M.Sc"" in the field of power electrical engineering Abstract Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. In this ...
Dissertation for receiving the master's degree ""M.Sc."" Trend: The power of the series active filter is designed for harmonic separation and load voltage regulation in non-linear loads of single-phase and three-phase harmonic voltage source type. A new method for extracting harmonics of load voltage is proposed under the name of absolute value method, which is applied to the ...
Master's Thesis in Mechanical Engineering (Energy Conversion) Abstract Numerical investigation of three-dimensional heat transfer in traveling wave amplifier collector with input power of 900 and 3000 watts, traveling wave lamp[1] is one of the types of microwave amplifiers. This lamp consists of five main parts, which are electron gun, slow wave structure, wave input and output ...
Thesis for receiving a master's degree in the field of civil engineering of hydraulic structures, October 2013 This study is to quantitatively evaluate the effects of watershed operations and with the aim of evaluating the efficiency of projects
Expert thesis Master of Civil Engineering, Structural Orientation, September 2013 Abstract Today, with the progress of science in the construction industry, many methods have been presented to improve reinforced concrete structures
Abstract Today, word of mouth advertising as One of the common tools of marketing and advertising has gained great importance among marketers, so that studies show that advertising
Dissertation of master's degree in civil-structural engineering Abstract: Divergent bracing frames are considered earthquake-resistant systems for steel structures. These braces are from my difficulty
Dissertation of master's degree in structural engineering, February 2011 Abstract: In the optimal civil engineering structure construction for static loadings have been significantly developed. But, in
Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N
Dissertation for receiving a master's degree. " M.Sc» Orientation: road and transportation winter 2013 Abstract Traffic analysis is a necessary and complex component Transportation systems
Master's Thesis of Information Technology Management (M.Sc) academic year 1389-1390 Abstract In order to study and predict the distribution pattern of economically important benthic fish, catch data of 10 species
Dissertation of Master's Degree in Public Management, Transformation Orientation, 2019 Abstract: Among the topics that have been the subject of many books and articles in the last few decades, dealing with the issue of information technology
Thesis for obtaining a master's degree in the field: public management, winter 91 Abstract The main purpose of this research is to determine the relationship between the quality of working life (fair and adequate pay, safe and healthy work environment,
Master's Thesis in (Agricultural Economics Engineering) Winter 2013 Abstract: Drought is one of the major problems that Kerman province is facing. And in the last decade, it has gained critical dimensions
Chapter 1: Overview of Research Chapter 1- Overview of Research 1-1- Introduction: One of the goals of the economy of any country is to achieve high employment, and economic policy makers should always respond to changes in employment.
Master's Thesis in Accounting Abstract Identifying and investigating the factors affecting credit risk in economic enterprises is very important because it can prevent losses from failure to pay loans as a result of the banking crisis. Based on this, this research examines the relationship between competition in the product market and credit risk in companies admitted to the ...
Master's Thesis of Industrial Engineering, Financial Orientation, November 2013. Abstract: Evaluation of the performance of organizations and intra-organizational units is a necessary tool for their continued life and growth. Among various models and techniques.
Dissertation of Master's Degree in Industrial Engineering – Summer Industries 2013 Abstract A supply chain is a collection of suppliers, manufacturers, and distributors.
Dissertation for Master's Degree in Industrial Engineering, Mehr 2011, Identifying the value[1] of customers, one of the main components of success in the store. There are different types that are more attention today than before
Faculty of Basic Sciences, Department of Human Geography, Dissertation for Master's Degree ""M.A"" Major: Rural Planning, Introduction to the investigation of activity platforms, especially agriculture and factors affecting the quality and quantity of its products, which itself plays an effective role in the development of activists and is extremely important. Summarizing the ...
Master's Thesis in Accounting (M.A) Abstract In this research, the relationship between the joint board of directors, discretionary disclosures and profit quality in 57 companies admitted to the Tehran Stock Exchange from the beginning of 2015 to the end of 2010 is examined. In this research, stock volatility, joint management board and independent director are considered as ...
Dissertation of master's degree in industrial engineering Winter 92 abstract Production planning is actually allocating and determining the order of priorities for doing things optimally.
Thesis for receiving the degree of M.Sc. Field: Industrial Engineering, Orientation: System Management and Productivity, Winter 2013, abstract of the problem of locating the axis of one of the fields.
Dissertation for Master's Degree in Industrial Engineering, Industrial Orientation, Esfand 90, Abstract Today, due to the progress in technology, the globalization of markets, the diversity of customer demand, and the increase
Master's Thesis in Industrial Management - Operations Research. Abstract Many researches have been conducted in the field of urban transportation, each of them trying to improve these networks by specifying the type of vehicle and also a specific purpose. The current thesis also tries to provide a mathematical model to increase the income of Tehran subway. For this purpose, we ...
Dissertation for obtaining a master's degree (M.A. public management, human resources orientation) Abstract In today's changing and complex conditions that govern the administrative, economic and social environment, one of the factors that can help increase efficiency, effectiveness and client satisfaction in the public sector is productivity. For this reason, in this research, ...
Abstract: The Social Security Organization, as the largest insurance organization in Iran, is the only complete provider of social support that can be operationalized in an organization. Such as: retirement pension, disability of survivors, provision of medical expenses, provision of unemployment insurance, family assistance, marriage allowance, compensation for sickness wages ...
A master's thesis in the field of psychology and education of exceptional children, examining the dimensions of cognitive processing in students with learning disorders. The aim of this research was to examine the dimensions of cognitive processing in students with learning disorders. For this purpose, 120 children (82 boys and 38 girls) aged 7 to 13 years were selected by ...
Dissertation for Master's Degree (M.A.) Orientation: Philosophy of Islamic Education Abstract: The general purpose of this research is to explain the approach of critical thinking in the field of education and comparative analysis of its foundations based on the teachings of Islamic education. According to the nature of the research topic, a descriptive-analytical research ...
Dissertation for Master's degree (M.A.) major: industrial and organizational, the relationship between organizational creativity and demographic characteristics with the productivity of organizational tasks of the employees of the General Department of Education of Fars province. The statistical population of this research was made up of all the employees of Fars Education ...
In order to obtain a master's degree in the field of economics, economic sciences December 2013 Abstract Globalization can be considered a process in which the economic borders between countries are becoming less and less every day.
Thesis for obtaining a master's degree in environmental economics, Shahrivar 2019 Abstract: In this research, the relationship between gross domestic product, energy intensity, population, urbanization rate and Co gas emission rate
Dissertation for Master's Degree, Field: Human Geography, Orientation: Urban Planning Abstract In the not-so-distant past, the entrance to the city, as the first urban space, was the first image of the city that was formed in the minds of travelers. Therefore, these spaces were not only of high spatial qualities, but they were part of the characteristic features of the cities. ...
Master's Thesis of Geography and Rural Planning Abstract In the past, tourism and tourism were special for nobles and elites and due to economic and technical bottlenecks and..... It did not play a significant role in the social, economic, and environmental aspects of human life. But in sync with the events and profound social and economic developments in the life of societies ...
Chapter 1 Introduction and Generalities 1-1 Introduction Since long ago, humans have been thinking about the effective and useful use of their abilities, facilities and resources, but in today's industrial world, this is more than ever.
Dissertation for receiving the master's degree (M.A.) orientation: energy economy, first chapter: general research, introduction of the income from the sale of oil in oil exporting countries, in increasing prosperity and public welfare
(Strength – Orientation) Economics-Economics, January 2013 Abstract The revenues from the sale of oil have a significant share in the government's income and the government's gross domestic product in Iran. On the one hand, due to the importance of the industrial sector
March 2013 Field: Economics Orientation: Economic Sciences Abstract: In the highly competitive environment of the food industry, the preservation and development of the market is the result of the brand's performance. Therefore, identifying the effect of the brand on the sales performance of ingredients.
Dissertation for receiving a master's degree, field: business management, orientation: finance, abstract of the main research problem: evaluating the performance of organizations plays an essential role in the direction of their future strategic decisions, and due to the importance of this issue, the present research deals with it. The main purpose of the research: The purpose ...
Master's thesis in the field of technology management, technology transfer trend, first chapter, generalities of the research 1-1) statement of the problem: commercialization[1] is an important category both in theory and in practice. The competition crisis of the 70s and 80s in the United States was not the crisis of creating new scientific and technological ideas, but the ...
Abstract In the not-so-distant past, when the boundaries of cities were defined by gates, the entry points to the city had a high spatial quality and were considered among the prominent elements and distinctive features of every city. Today, with the expansion and development of cities, the entry points have turned into expressways for the movement of motor vehicles, and the ...
Dissertation for receiving a master's degree, orientation: accounting. Abstract In this research, we have examined the relationship between dividend policy and productivity. The intended research is an applied research. In terms of the type of research design, it is retrospective in order to rely on historical information, and its inference method is inductive and correlational. ...
Dissertation for Master's Degree in General Psychology Abstract: The purpose of this research was to compare cognitive emotion regulation strategies, attachment styles, self-expression and locus of control in runaway and normal girls. The research method in this study was causal-comparative. The subjects included 36 girls (18 runaway girls and 18 normal girls). The group of ...
Dissertation for Master's Degree (M.A.) Direction: Accounting Abstract Competition in the product market has a significant impact on the investment of companies and operational decisions and theoretically indicates the upper and lower limit of investment in an economic enterprise. This will result in adverse consequences such as decreasing market efficiency, increasing ...
Master's thesis in accounting, decision-making is one of the issues that humans have always faced. Decision making requires information. Managers and investors are among the people who always face this problem. Among the various information that managers and decision makers need to make their decisions, financial and accounting information has a special place. Accounting is one ...
Master's thesis in the field of natural geography, climatology and environmental planning, abstract human civilization is based on the stability of climatic conditions, therefore climate change can be considered a threat to human civilization. In recent years, climate scientists have tried to trace these changes for some climatic elements, the most important of which is ...
Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract The increase in population and the excessive development of cities, especially in their outskirts, regardless of environmental and human characteristics, has caused irreparable damage to the environment and its residents. For this reason, the issues of ...
Dissertation for receiving Ph.D. specialization: sports management and planning 1.1 Introduction The chaotic economic situation has had a significant impact on the attendance of all kinds of sports customers and consumers, including spectators, participants, buyers of goods, etc. For this reason, investigating the behavior of sports consumers [1] has gained significant ...
Thesis for obtaining a master's degree, field: business management, orientation: internal business, abstract. Experts and researchers believe that performance evaluation is the main issue in all organizational analysis, and it seems practically impossible to imagine an organization that does not include performance evaluation and measurement. Today, purchasing and supply ...
Master's Thesis in Accounting. Abstract: The purpose of the research is to investigate whether the quality of auditing in the current period has an effect on the possibility of re-presenting the financial statements in the future period. For this purpose, the relationship between the factors affecting audit quality in the current period and the possibility of re-presenting the ...
Abstract Adopting a suitable currency regime and equilibrium exchange rate is one of the important and sometimes controversial issues. Some economists believe that the low nominal (or real) exchange rate causes export stagnation and reduced incentives for domestic production to replace imports. Others believe that the policy of devaluation of the national currency or high ...
Dissertation for Master's Degree (M.A.) Summary Insurance sales network is one of the most important parts of insurance companies, because on one hand it provides the income from insurance operations through the sale of insurance products and receiving the relevant insurance premiums, and on the other hand, this unit is in close contact with customers, and how this unit ...
Thesis for obtaining a master's degree, field: business management, orientation: internal. Abstract: The performance evaluation system of different organizational units is one of the main pillars of the planning process in order to improve activities. Designing and managing the measurement and evaluation system is one of the main concerns of strategic planning of companies. ...
Department of Business Management Thesis for Master's degree (M.A.) Abstract: One of the most important stages of the planning process is the evaluation of plans and programs. This process helps to optimize the decisions and finally to the feasibility and realism of the plans. Evaluation can be considered as an important factor in improving the effectiveness and correcting the ...
Dissertation for M.Sc Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract: Urban heat islands are areas of the earth's surface that have a higher temperature than neighboring areas. The spread of this phenomenon varies in space and time. The creation of thermal islands and its spatial and temporal changes are mostly ...
Master's Thesis With the establishment and formation of fixed settlements in the form of ten villages, these settlements needed a place to exchange their products with each other. This place was named because of its nature (service-commercial) and related to the surrounding areas of the city. For this commercial center, the existence of an agricultural area and surrounding ...
Dissertation for Master's Degree (M.A.) Major: Finance. Dissertation abstract (including summary, objectives, implementation methods, and results obtained): The purpose of this research is to build appropriate portfolios by considering investors' risk tolerance and their preferences in a flexible, practical, and realistic manner. For this purpose, a rule-based fuzzy expert ...
Thesis for obtaining a master's degree in the field of business management, orientation: internal, abstract: management research emphasizes the importance of the role of business models in improving organizational performance. In recent years, we have seen the business field become more competitive in various industries. According to business researchers, achieving a suitable ...
Thesis for obtaining a master's degree in the field: Business Management - Transformation Management Abstract: Based on the results obtained from many researches and also observing the course of activities of organizations and companies; It can be seen that in today's highly competitive environment, there is a strong pressure to improve productivity. And organizational ...
Dissertation for Master's Degree in Industrial Management (Financial Orientation) Abstract: Considering the necessity and importance of studying the efficiency of banks, in order to identify inefficient units and plan to improve the performance of banks, in the present study, the efficiency of 20 branches of Tejarat Bank branches in Tehran city and in the period of 2009 and 2010 ...
Dissertation for receiving the master's degree ""M. A"" Field: Management, Tendency: Human Resources, abstract is a general concept of servant leadership types in the management group, that this type of leadership can be the basis for classifying and evaluating the characteristics of servant leadership in the organization, which helps managers. Currently, the research and study ...
Master's thesis in chemical engineering field, vapor pressure is an important thermodynamic property in process equipment design and chemical engineering unit operation. Therefore, experimental vapor pressure data that cover the entire range of vapor pressure are very valuable, but due to the lack of accurate measurements for the vapor pressure of some materials near the triple ...
Master's Thesis Field: Public Administration Major: Human Resources Abstract The purpose of this research is to investigate the effect of organizational justice on the organizational commitment of Refah Bank employees in Khuzestan province. The independent variable of this research is organizational justice. In this research, the three-dimensional model of Alavi and Abbasi 2012 ...
Master's Thesis in Remote Sensing and Geographical Information System (M. Sc. Orientation: Urban and Rural Abstract Considering the growth of the population today, agglomeration and settlement is an urgent need. Locating and allocating land is considered as a main pillar, which is done traditionally and by trial and error in most cases. Many criteria are involved in locating the ...
Dissertation for obtaining a master's degree in the field: Geography, specialization: rural planning, abstract of Pakdasht city, which is stretched from the south of the Alborz mountain range to the plain, and due to the presence of the Jajroud river and its fertile soil, it is a suitable environment for farmers, especially for growing flowers and plants. These factors, along ...
This study uses the Translog cost function to estimate the cost efficiency levels of private banks operating in Iran. Also, these productivity levels are analyzed under Kamels' indicators in order to provide a partial understanding of their financial situation to justify their current position. The results of the research findings of this study by applying it to the Translog ...
Dissertation for Master's Degree in Electrical Engineering (M.Sc) Abstract The power system stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, setting the power system stabilizer parameters will be a complex and ...
Dissertation for Master's degree (M.Sc) in the field of electrical-power engineering. Abstract In this thesis, the design of a resistant controller in power electronic circuit breakers and its comparison with linear control methods have been examined. The main goal of research and development in this field is always to find the most suitable control method in order to implement ...
Dissertation for M.Sc. Abstract In this thesis, we have presented a new method in network processing with Ant algorithm. The model we used in the network space is a continuous two-way auction. Due to their simplicity and dynamics, these models are used in many algorithms used to control resources and schedule tasks. Many of these models have weaknesses in their response time ...
Thesis for Master's Degree in Chemical Engineering Today, creating a safe environment in which all harmful factors are identified, evaluated, eliminated or controlled in order to guarantee the health of people and facilities is one of the priorities of industrial management. Safety science has also been reactive like the traditional approach to safety, that is, managers did not ...
Thesis for obtaining a master's degree in the field: business management, orientation: financial management. Abstract In today's world, due to the increasing speed of science and knowledge, organizations are forced to use communication technology to adapt to the changing environmental conditions, and in this direction, they must invest. With the entry of a telecommunication ...