Division of Electrical, Electronics, and Computer Science (EECS): Recent submissions
Now showing items 1441-1460 of 1593
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Truncated Data Problems In Helical Cone-Beam Tomography
(2010-07-19)This report delves into two of the major truncated data problems in helical cone-beam tomography: Axial truncation and Lateral truncation. The problem of axial truncation, also classically known as the Long Object problem, ... -
Potential-Based Routing In Wireless Sensor Networks
(2010-07-19)Recent advances in VLSI technology, and wireless communication have enabled the development of tiny, low-cost sensor nodes that communicate over short distances. These sensor nodes, which consist of sensing, data processing, ... -
Design, Modeling And Control Of Shape Memory Alloy Based Poly Phase Motor
(2010-07-13)In this thesis, a new Poly Phase Motor (rotary actuator) based on the Shape Memory Alloy (SMA) is presented. Details of Design, Modeling, Characterization, Realization and Control of Poly Phase SMA Motor are presented. ... -
Wavelet Based Algorithms For Spike Detection In Micro Electrode Array Recordings
(2010-07-13)In this work, the problem of detecting neuronal spikes or action potentials (AP) in noisy recordings from a Microelectrode Array (MEA) is investigated. In particular, the spike detection algorithms should be less complex ... -
Load Commutated SCR Current Source Inverter Fed Induction Motor Drive With Sinusoidal Motor Voltage And Current
(2010-07-12)This thesis deals with modeling, simulation and implementation of Load Commutated SCR based current source Inverter (LCI) fed squirrel cage induction motor drive with sinusoidal voltage and sinusoidal current. In the ... -
Low Decoding Complexity Space-Time Block Codes For Point To Point MIMO Systems And Relay Networks
(2010-07-12)It is well known that communication using multiple antennas provides high data rate and reliability. Coding across space and time is necessary to fully exploit the gains offered by multiple input multiple output (MIMO) ... -
Impact Of Body Center Potential On The Electrostatics Of Undoped Body Multi Gate Transistors : A Modeling Perspective
(2010-07-09)Undoped body multi gate (MG) Metal Oxide Semiconductor Field Effect Transistors (MOSFET) are appearing as replacements for single gate bulk MOSFET in forthcoming sub-45nm technology nodes. It is therefore extremely necessary ... -
Terminal Connection And System Function For Making Sweep Frequency Response Measurements On Transformers
(2010-07-08)Sweep Frequency Response (SFR) measurement on a transformer is a low voltage, offline exercise. So, it virtually permits determination of any network or system function, by imposing any desired terminal condition for the ... -
Using Explicit State Space Enumeration For Specification Based Regression Testing
(2010-07-08)Regression testing of an evolving software system may involve significant challenges. While, there would be a requirement of maximising the probability of finding out if the latest changes to the system has broken some ... -
Learning Algorithms Using Chance-Constrained Programs
(2010-07-08)This thesis explores Chance-Constrained Programming (CCP) in the context of learning. It is shown that chance-constraint approaches lead to improved algorithms for three important learning problems — classification with ... -
Explicit Segmentation Of Speech For Indian Languages
(2010-07-02)Speech segmentation is the process of identifying the boundaries between words, syllables or phones in the recorded waveforms of spoken natural languages. The lowest level of speech segmentation is the breakup and ... -
An Algorithmic Approach To Some Matrix Equivalence Problems
(2010-06-09)The analysis of similarity of matrices over fields, as well as integral domains which are not fields, is a classical problem in Linear Algebra and has received considerable attention. A related problem is that of simultaneous ... -
A Study Of Vacuum Interrupter Performance Based On The Characteristics Of Arc Voltage Developed During Current Interruption
(2010-06-09)A vacuum interrupter is a switching device used in vacuum circuit breakers, which are widely employed in medium voltage circuits for interrupting the short-circuit fault currents. The vacuum interrupter is the chamber in ... -
Key Distribution In Wireless Sensor Networks
(2010-06-09)In the last few years, wireless sensor networks (WSNs) have become a very actively researched area. The impetus for this spurt of interest were developments in wireless technologies and low-cost VLSI, that made it possible ... -
No/Nox Removal In Diesel Engine Exhaust Under Different Energizations And Reactor Configurations
(2010-06-09)In India, with the increase in the number of industries and vehicles the environment is getting more and more polluted. More than industries it is the rapid growth of vehicles which causes serious environmental crisis in ... -
A Novel Higher Order Noise Shaping Sigma-Delta Modulator
(2010-06-04)The thesis focuses on a higher order noise-shaping Δ ADC architecture which employs filtered quantization error as a dither signal. Furthermore, the work studies implementation challenges using Switched-Capacitor and ... -
Interference Management For Vector Gaussian Multiple Access Channels
(2010-06-03)In this thesis, we consider a vector Gaussian multiple access channel (MAC) with users demanding reliable communication at specific (Shannon-theoretic) rates. The objective is to assign vectors and powers to these users ... -
Generation Of 12-Sided And 18-Sided Polygonal Voltage Space Vectors For Inverter Fed Induction Motor Drives By Cascading Conventional Two-Level Inverters
(2010-06-01)Multi-level inverters play a significant role in high power drive systems for induction motors. Interest in multi-level inverters started with the three-level, neutral point clamped (NPC) inverter. Now there are many ... -
Compiler-Assisted Energy Optimization For Clustered VLIW Processors
(2010-04-13)Clustered architecture processors are preferred for embedded systems because centralized register file architectures scale poorly in terms of clock rate, chip area, and power consumption. Although clustering helps by ... -
Battery Buffered Stiff Micro Grid Structure For A Variable Speed Slip Ring Induction Machine Based Wind Generation System
(2010-04-12)Electric power has become a basic necessity of human life. The major share of electric power comes from fossil fuel which results in global warming and pollution. A share of generated power comes from nuclear power which ...