Browsing Electrical and Computer Engineering by Title
Now showing items 1747-1766 of 1946
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A Study of Medium and High Voltage Form-Wound Coil Turn-to-Turn Insulation of Converter Fed Rotating Machines
(University of Waterloo, 2016-11-09)Converter fed medium voltage motors are increasingly being employed in industrial processes due to their higher efficiency and greater flexibility with respect to speed control. The increased use of motor adjustable speed ... -
A Study of Mobility Models in Mobile Surveillance Systems
(University of Waterloo, 2010-04-30)This thesis explores the role mobile sensor's mobility model and how it affects surveillance system performance in term of area coverage and detection effectiveness. Several algorithms which are categorized into three ... -
A study of Nanofilled Silicone Dielectrics for Outdoor Insulation
(University of Waterloo, 2009-08-04)Polymeric insulators are now a common replacement for conventional porcelain and glass string insulators on overhead distribution and transmission lines. The use of this mature technology represents many advantages to the ... -
A Study of Random Duplication Graphs and Degree Distribution Pattern of Protein-Protein Interaction Networks
(University of Waterloo, 2015-09-21)The motivation of this thesis is to find the reason why protein-protein interaction networks present a unique degree distribution pattern, where the majority of the proteins are sparsely connected, while densely-connected ... -
A Study of Ranking Routes for Electrical Transmission Lines using Weighted Sum Model and Fuzzy Inference System
(University of Waterloo, 2020-01-22)Selecting a route is the first step in building a new electrical transmission line. The most common practice in selecting a route involves ranking possible route options, which is a complex process demanding many decision ... -
A Study of Stress Grading System of Medium Voltage Motor Fed by Adjustable Speed Drives
(University of Waterloo, 2019-11-25)The demand for medium voltage (MV) induction motors with an adjustable speed drive (ASD) has grown significantly over the past decade for many industrial applications. This is mainly because the applications of adjustable ... -
A Study of the Automatic Speech Recognition Process and Speaker Adaptation
(University of Waterloo, 2000)This thesis considers the entire automated speech recognition process and presents a standardised approach to LVCSR experimentation with HMMs. It also discusses various approaches to speaker adaptation such as MLLR and ... -
A Study of the Detection of Defects in Ceramic Insulators Based on Radio Frequency Signatures.
(University of Waterloo, 2014-12-18)The presence of defects in outdoor insulators ultimately results in the initiation of partial discharge (PD) activity. Because insulation failure and the consequent breakdown of power equipment can occur due to the cumulative ... -
A Study of the Effects of Solution and Process Parameters on the Electrospinning Process and Nanofibre Morphology
(University of Waterloo, 2011-08-31)Nanofibres have been the subject of recent intensive research due to their unique properties, especially their large surface-area-to-volume ratio, which is about one thousand times higher than that of a human hair. They ... -
A Study of the Erosion Mechanisms of Silicone Rubber Housing Composites
(University of Waterloo, 2014-04-23)Silicone rubber insulators have been replacing conventional insulators made from toughened glass and porcelain in the power system, due to the non-wetting properties of silicone rubber insulation housing. However, silicone ... -
A Study of the Material Properties of Silicone Nanocomposites Developed by Electrospinning
(University of Waterloo, 2013-08-30)The current thrust towards the compaction of electrical power equipment, resulting in increased insulation electrical stress levels, necessitates new electrical insulating materials. In the last few decades, polymeric ... -
A Study of the Power Trace Sampling Frequency Requirements in Non-Intrusive Program Tracing Through Power Consumption Monitoring
(University of Waterloo, 2018-09-05)In embedded systems, anomalies can be detected by monitoring the power consumption of the device. Recent literature has shown the use of this technique for the purpose of safety as well as security. However, on-the-fly ... -
A study of the reduced-order John Shaw SMA model and its extension for control applications
(University of Waterloo, 2012-04-27)SMA belongs to a class of so-called “smart materials” which possess properties that can be controlled by application of various types of stimuli – stress, temperature, electric field or magnetic field. In particular, SMA ... -
A Study of Vehicle-to-Vehicle Power Transfer Operation in V2G-Equipped Microgrid
(University of Waterloo, 2014-05-15)Bidirectional vehicle-to-grid (V2G) system utilizes the batteries of parked electric-drive-vehicles to provide energy storage and backup services in a power system. Such services in a V2G-equipped microgrid system can be ... -
A Study of Velocity-Dependent JND of Haptic Model Detail
(University of Waterloo, 2010-11-01)The study of haptics, or the sense of touch in virtual reality environments, is constantly looking for improvements in modeling with a high fidelity. Highly detailed models are desirable, but they often lead to slow ... -
A Study on Insulation Problems in Drive Fed Medium Voltage Induction Motors
(University of Waterloo, 2007-05-18)The PWM (pulse-width-modulated) type voltage source converters (VSC) allow a precise speed control of induction motors with maximum achievable energy efficiency. However, the rapid growth of this technology has created ... -
A Study on the Acceleration of Arrival Curve Construction and Regular Specification Mining using GPUs
(University of Waterloo, 2018-12-21)Data analytics is a process of examining datasets using various analytical and statistical techniques. Several tools have been proposed in the literature to extract hidden patterns, gather insights and build mathematical ... -
A Study on the Capacity of Gaussian Channels: From a Lattice Code Perspective
(University of Waterloo, 2011-08-18)As one of the most significant classes of structure codes, lattice codes are related to various geometric and coding problems, such as sphere packing and covering, quantization, signaling for the additive white Gaussian ... -
A Study on Turn-to-Turn Insulation of Medium Voltage Motors Fed by Variable Frequency Drives
(University of Waterloo, 2022-12-20)The use of inverter drives in machine applications is expanding rapidly due to their advantages in terms of energy savings and speed control. Advances in the inverter drive industry have made it possible for inverter drives ... -
Subjective and Objective Quality-of-Experience of Adaptive Video Streaming
(University of Waterloo, 2017-04-27)With the rapid growth of streaming media applications, there has been a strong demand of Quality-of-Experience (QoE) measurement and QoE-driven video delivery technologies. While the new worldwide standard dynamic adaptive ...