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Articles 1 - 11 of 11
Full-Text Articles in Engineering
Design And Performance Analysis Of Small Scale Horizontal Axis Wind Turbine For Nano Grid Application, Md Mehedi Hasan
Design And Performance Analysis Of Small Scale Horizontal Axis Wind Turbine For Nano Grid Application, Md Mehedi Hasan
Electronic Theses and Dissertations
Wind energy, being easily accessible, environmentally friendly, and being cost effective, has become one of the world’s popular growing renewable energy sources of electricity generation. To spread this technology to mankind it is necessary to develop turbines in this way that people can use it individually and comfortably. This kind of thinking accelerates the advancement of integration of wind turbine with Nano grid concept. Although significant progress has been achieved in the wind technology, there is still scope to reduce the cost and improve the performance of small-scale wind turbines. Moreover, low wind velocity should also need to be utilized …
Wind Turbine Noise And Wind Speed Prediction, Tyler H. Blanchard
Wind Turbine Noise And Wind Speed Prediction, Tyler H. Blanchard
Electronic Theses and Dissertations
In order to meet the US Department of Energy projected target of 35% of US energy coming from wind by 2050, there is a strong need to study the management and development of wind turbine technology and its impact on human health, wildlife and environment. The prediction of wind turbine noise and its propagation is very critical to study the impacts of wind turbine noise for long term adoption and acceptance by neighboring communities. The prediction of wind speed is critical in the assessment of feasibility of a potential wind turbine site. This work presents a study on prediction of …
Secure Cloud Controlled Software Defined Radio Network For Bandwidth Allocation, Isaac J. Cushman
Secure Cloud Controlled Software Defined Radio Network For Bandwidth Allocation, Isaac J. Cushman
Electronic Theses and Dissertations
The purpose of this research is to investigate the impact of mobility of wireless devices for opportunistic spectrum access and communications using National Instrument Universal Software Radio Peripherals devices. The overall system utilizes software defined radio networks for frequency allocation, cloud connectivity to maintain up-to-date information, and moving target defense as a security mechanism. Each USRP device sends its geolocation to query the spectrum database for idle channels. The cloud cluster was designed for complex data storage and allocation using a smart load balancer to offer ultra-security to users. This project also explores the advantages of data protection and security …
A Comprehensive Analysis On Eeg Signal Classification Using Advanced Computational Analysis, Kaushik Bhimraj
A Comprehensive Analysis On Eeg Signal Classification Using Advanced Computational Analysis, Kaushik Bhimraj
Electronic Theses and Dissertations
Electroencephalogram (EEG) has been used in a wide array of applications to study mental disorders. Due to its non-invasive and low-cost features, EEG has become a viable instrument in Brain-Computer Interfaces (BCI). These BCI systems integrate user's neural features with robotic machines to perform tasks. However, due to EEG signals being highly dynamic in nature, BCI systems are still unstable and prone to unanticipated noise interference. An important application of this technology is to help facilitate the lives of the tetraplegic through assimilating human brain impulses and converting them into mechanical motion. However, BCI systems are remarkably challenging to implement …
Design And Modeling For Dc Nanogrids, Ormond D. Castle
Design And Modeling For Dc Nanogrids, Ormond D. Castle
Electronic Theses and Dissertations
Smart grids were constructed as a means of communication to the electric grid through computer and other information technologies. This line of communication acts as gauge for a more accurate reading of power consumed. A nano grid is a model version of a smart grid with the ability to function as separate power generator. Such feature allows for this grid to power single loads and apply for special applications. A DC-DC converter was designed to apply to a nano grid which is a form of a smart grid. The converter was a single-input-multi-output converter which is taking one dc voltage …
Intrusion Detection For Smart Grid Communication Systems, Brycent Chatfield
Intrusion Detection For Smart Grid Communication Systems, Brycent Chatfield
Electronic Theses and Dissertations
Transformation of the traditional power grid into a smart grid hosts an array of vulnerabilities associated with communication networks. Furthermore, wireless mediums used throughout the smart grid promote an environment where Denial of Service (DoS) attacks are very effective. In wireless mediums, jamming and spoofing attack techniques diminish system operations thus affecting smart grid stability and posing an immediate threat to Confidentiality, Integrity, and Availability (CIA) of the smart grid. Intrusion detection systems (IDS) serve as a primary defense in mitigating network vulnerabilities. In IDS, signatures created from historical data are compared to incoming network traffic to identify abnormalities. In …
Study And Implementation Of Wideband Bow-Tie Antennas, Md Rakibul Islam
Study And Implementation Of Wideband Bow-Tie Antennas, Md Rakibul Islam
Electronic Theses and Dissertations
Demand for multifunctional electronic devices is increasing in modern wireless communication systems. As the antenna plays a vital role in wireless communication, the need to design antennas which will provide better performance and more reliable communication is growing. In this thesis, innovative designs for antennas with wideband characteristic have been proposed to meet the demands of current multi-functional wireless communication systems. First, this thesis explores the design of a wideband pattern reconfigurable antenna with steady realized gain over the operating bandwidth. Another novel design of this thesis work is a highly directive wideband Yagi antenna. Finally, a two-planar structured CPLPDA …
Solar Irradiance Forecasting And Implications For Domestic Electric Water Heating, Christopher Nutter
Solar Irradiance Forecasting And Implications For Domestic Electric Water Heating, Christopher Nutter
Electronic Theses and Dissertations
As the effects of burning fossil fuels continues to present its prevalence, the interests in alternative forms of energy is expanding. Within the home, the domestic electrical water heater accounts for approximately 17% of its energy consumption. Reducing the amount of energy required to produce hot water from this thermal system alone can have a significant effect on reducing its carbon footprint. In this presented work, a modeled domestic electrical water heater was supplied photovoltaic and on-grid electrical power to increase its energy efficiency. As photovoltaic (PV) energy is directly related to solar irradiation, it is important to receive accurate …
Energy Storage Management And Simulation For Nano-Grids, Shantu Ghose
Energy Storage Management And Simulation For Nano-Grids, Shantu Ghose
Electronic Theses and Dissertations
Energy storage has been utilized in many forms and applications from a flashlight to the Space Shuttle. There is a worldwide effort to develop battery model with high energy level and power densities for a variety range of applications, including hybrid electric vehicles (HEV) and photovoltaic system (PV). To improve battery technology, understanding the battery modeling is very important. So, modeling the thermal behavior of a battery is a vital consideration before designing an effective thermal management system which will operate safely and prolong the lifespan of an energy storage system. The first part of this work focused on the …
Audio-Based Productivity Forecasting Of Construction Cyclic Activities, Chris A. Sabillon
Audio-Based Productivity Forecasting Of Construction Cyclic Activities, Chris A. Sabillon
Electronic Theses and Dissertations
Due to its high cost, project managers must be able to monitor the performance of construction heavy equipment promptly. This cannot be achieved through traditional management techniques, which are based on direct observation or on estimations from historical data. Some manufacturers have started to integrate their proprietary technologies, but construction contractors are unlikely to have a fleet of entirely new and single manufacturer equipment for this to represent a solution. Third party automated approaches include the use of active sensors such as accelerometers and gyroscopes, passive technologies such as computer vision and image processing, and audio signal processing. Hitherto, most …
Performance Analysis Of Massive Mimo System With Quality Of Service Requirements And Precoding Techniques, Kishan Neupane
Performance Analysis Of Massive Mimo System With Quality Of Service Requirements And Precoding Techniques, Kishan Neupane
Electronic Theses and Dissertations
The massive MIMO is a promising technology for future 5G wireless communication systems to provide high spectrum efficiency. The use of a very large number of antennas for both transmission and reception is an intuitive approach to boost the system capacity and enhance the link reliability. The main requirement of future wireless systems are high throughput, serving many users simultaneously with optimal energy consumption. In the first part of the thesis, we proposed a novel algorithm for secrecy rate analysis of massive MIMO with QoS requirement by adapting the transmit signal vector and power of user using game theory. The …