Browsing Dissertations & Theses by Issue Date
Now showing items 21-40 of 608
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A Piecewise Linear Classifier
(Electrical Engineering, 2007-08-23)A piecewise linear network is discussed which classifies N-dimensional input vectors. The network uses a distance measure to assign incoming input vectors to an appropriate cluster. Each cluster has a linear classifier for ... -
Adaptive Sampling With Mobile WSN
(Electrical Engineering, 2007-08-23)The spatiotemporally varying network topology of mobile sensor networks makes it very suitable for applications such as reconstruction of environmental fields through sampling at locations that maximally reduce the largest ... -
An Emission Model For Lunar Regolith Surfaces Based On Matrix Doubling Method
(Electrical Engineering, 2007-08-23)An emission model based on Matrix Doubling Method is implemented for the calculation of emission signatures from the lunar regolith surfaces. The matrix doubling method is used to solve the radiative transfer equations ... -
Optical Amplifiers For 10 Gb/s WDM Recirculating Loop Testbed
(Electrical Engineering, 2007-08-23)This Master's thesis deals with building experimental setup for characterization of novel nonlinear optical devices for fiber communication. The first part of the thesis deals with the description of the theoretical basis ... -
Nonlinear H2/H∞ Constrained Feedback Control: A Practical Design Approach Using Neural Networks
(Electrical Engineering, 2007-08-23)In this research, practical methods for the design of H2 and H∞ optimal state feedback controllers for constrained input systems are proposed. The dynamic programming principle is used along with special quasi-norms to ... -
Generation Planning And Market Operation Strategies In The Southwest Power Pool Energy Imbalance Service Market
(Electrical Engineering, 2007-08-23)The transition of the Southwest Power Pool (SPP) from its traditional operation under tariff towards the new market environment has significant impact on the utilities in the SPP footprint, both in terms of planning and ... -
Wireless Sensor Network Testbed: Measurement And Analysis
(Electrical Engineering, 2007-08-23)Energy conservation is critical in Wireless Sensor Networks. Replacing or recharging batteries is not an option for sensors deployed in hostile environments. Generally communication electronics in the sensor utilizes most ... -
The Operation Platform Recommendation For The Deregulated Utility Industry In Thailand
(Electrical Engineering, 2007-08-23)Transmission Congestion Management (TCM) plays a significant role in power system operation under today deregulated environment. It has two major functions of an apparatus to keep power system running within acceptable ... -
Nonlinear Control Of Microelectromechanical Systems (MEMS) Devices
(Electrical Engineering, 2007-08-23)Different actuation principles have been developed for MEMS but electrostatic actuators are the most common. A significant drawback in the use of electrostatic actuators for some applications is their nonlinear voltage to ... -
Modeling And Performance Evaluation Of A Power Electronic-based Controlled Fuel Cell System
(Electrical Engineering, 2007-08-23)In fuel cell applications, design of an appropriate controller and selection of an Ultra-Capacitor require a suitable model of fuel-cell-systems that can adequately represent the significant characteristics of the system. ... -
Electromagnetically Actuated Devices For Optical Coherence Tomography Applications
(Electrical Engineering, 2007-08-23)A fast optical scanning device has always been desired for numerous applications such as biomedical imaging, optical communications, and variety of sensing and actuating applications. This dissertation presents a new ... -
Recirculating Loop Testbed For All Optical 2R Regeneration
(Electrical Engineering, 2007-08-23)This Master's thesis deals with building a recirculating loop testbed intended for proof-of-principle demonstration of multichannel all-optical 2R regenerator proposed in [1]. The proposed multichannel 2R regeneration ... -
Neural Network Solution For Fixed-final Time Optimal Control Of Nonlinear Systems
(Electrical Engineering, 2007-08-23)In this research, practical methods for the design of H2 and H-Infinity optimal state feedback controllers for unconstrained and constrained input systems are proposed. The dynamic programming principle is used along with ... -
Thermal Effects On Analog Integrated Circuit Design
(Electrical Engineering, 2007-08-23)Analog Integrated Circuit design (IC) is a big challenge in this modern age. Thermal effect has a substantial role in analog ICs performance. Thermal effects on analog IC design have been investigated in this dissertation ... -
Models And Algorithms To Determine Cerebral Activation Using Near Infrared Spectroscopy
(Electrical Engineering, 2007-08-23)The specific aims of this dissertation were to develop: (1) Correlations between experimental protocols and oxygenated, deoxygenated, and total hemoglobin concentrations in the brain (2) Mathematical models to associate ... -
Improving the Quality of Low Bitrate LPC Speech Codec Using Gamma-chirp Filterbank
(Electrical Engineering, 2007-08-23)In this thesis, two methods for getting higher speech quality in low bit-rate LPC coder in comparison with the original LPC coder were presented. In order to improve the quality of the speech, the embedded method which can ... -
Emulation Of ASIC Based Network Processor On A FPGA Platform
(Electrical Engineering, 2007-08-23)ABSTRACT Exponential increase of device sizes and complexity of ASICs mandate the need for design verification to meet timing specifications and functionality requirements. Verification techniques are broadly implemented ... -
Modeling And Feedback Control Of MEMS Devices
(Electrical Engineering, 2007-08-23)As MEMS actuators reach maturity and emerge from the research lab into commercial applications, their increased reliability, speed, and performance accuracy is needed. MEMS are typically driven directly in an open-loop ... -
3D Interconnects For Die And Wafer Stacks
(Electrical Engineering, 2007-08-23)3D integration results from the ever demanding trend towards smaller and lower-profile, lighter and lower cost packaged devices requires further package miniaturization. With the present System-on-chip (SOC) technology ... -
Web-based Real-time Monitoring System To Enhance The Participation Of An Industrial Power System In A Restructured Utility Industry
(Electrical Engineering, 2007-08-23)The opening of the Electric Reliability Council of Texas (ERCOT) grid to wholesale competition began in 1996 that initiated the first stage of deregulation in Texas. In order to relieve generation and transmission constraints, ...