Division of Electrical, Electronics, and Computer Science (EECS): Recent submissions
Now showing items 661-680 of 1305
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Online Learning and Simulation Based Algorithms for Stochastic Optimization
(2018-03-07)In many optimization problems, the relationship between the objective and parameters is not known. The objective function itself may be stochastic such as a long-run average over some random cost samples. In such cases ... -
Supervised Learning of Piecewise Linear Models
(2018-03-07)Supervised learning of piecewise linear models is a well studied problem in machine learning community. The key idea in piecewise linear modeling is to properly partition the input space and learn a linear model for every ... -
Automatic Storage Optimization of Arrays Affine Loop Nests
(2018-03-01)Efficient memory usage is crucial for data-intensive applications as a smaller memory footprint ensures better cache performance and allows one to run a larger problem size given a axed amount of main memory. The solutions ... -
A Networked Control Systems Framework for Smart Grids with Integrated Communication
(2018-02-28)Over the last decade, power systems have evolved dramatically around the world, owing to higher demand, stringent requirements on quality and environmental concerns that are becoming increasingly critical. With the ... -
Precoding for Interference Management in Wireless and Wireline Networks
(2018-02-27)Multiple users compete for a common resource like bandwidth to communicate data in interference networks. Existing approaches in dealing with interference limit the rate of communication due to paucity of shared resources. ... -
Studies on Single DC Link Fed Multilevel Inverter Topologies by Cascading Flying Capacitor and Floating Capacitor Fed H-Bridges
(2018-02-27)Use of multilevel inverters are inevitable in medium and high voltage drives. This is due to the fact that the multilevel inverters can produce voltages in smaller steps which will reduce the harmonic content and result ... -
Modelling and Performance Analysis of New Coolstreaming for P2P IPTV
(2018-02-23)Peer to peer networks are becoming increasingly popular among Internet users as the downloading peers share the storage and upload bandwidth load of the system. This makes it possible for a large number of users to share ... -
SOI Based Integrated-Optic Microring Resonators for Biomedical Sensing Applications
(2018-02-23)Integrated Silicon Photonics has emerged as a powerful platform in the last two decades amongst high-bandwidth technologies, particularly since the adop- tion of CMOS compatible silicon-on-insulator(SOI) substrates. Microring ... -
Reeb Graphs : Computation, Visualization and Applications
(2018-02-23)Level sets are extensively used for the visualization of scalar fields. The Reeb graph of a scalar function tracks the evolution of the topology of its level sets. It is obtained by mapping each connected component of a ... -
Study on Pulsewidth Modulation Techniques for a Neutral-Point-Clamped Voltage Source Inverter
(2018-02-23)Neutral-point-clamped (NPC) three-level inverter is capable of handling higher dc bus voltage and producing output waveform of better quality than a conventional two-level inverter. The main objective of the present work ... -
Low Power and Low Area Techniques for Neural Recording Application
(2018-02-23)Chronic recording of neural signals is indispensable in designing efficient brain machine interfaces and to elucidate human neurophysiology. The advent of multi-channel micro-electrode arrays has driven the need for ... -
Investigations on Online Boundary Variation Techniques for Nearly Constant Switching Frequency Hysteresis Current PWM Controller for Multi-Level Inverter Fed IM Drives
(2018-02-22)In DC to AC power conversion, voltage source inverters (VSI) based current controllers are usually preferred for today’s high performance AC drive which requires excellent dynamic and steady state performances at different ... -
Bayes Optimal Feature Selection for Supervised Learning
(2018-02-18)The problem of feature selection is critical in several areas of machine learning and data analysis such as, for example, cancer classification using gene expression data, text categorization, etc. In this work, we consider ... -
PWM Techniques for Split-Phase Induction Motor Drive
(2018-02-18)A split-phase induction motor (SPIM) is obtained by splitting each of the three-phase stator windings of an induction motor into two equal halves. This results in two sets of three-phase windings with a spatial angle ... -
Variants and Generalization of Some Classical Problems in Combinatorial Geometry
(2018-02-18)In this thesis we consider extensions and generalizations of some classical problems in Combinatorial Geometry. Our work is an offshoot of four classical problems in Combinatorial Geometry. A fundamental assumption in these ... -
Designing Energy-Aware Optimization Techniques through Program Behaviour Analysis
(2018-02-18)Green computing techniques aim to reduce the power foot print of modern embedded devices with particular emphasis on processors, the power hot-spots of these devices. In this thesis we propose compiler-driven and profile-driven ... -
Resource Allocation in Wireless Networks for Secure Transmission and Utility Maximization
(2018-02-16)Resource allocation in wireless networks is one of the most studied class of problems. Generally, these problems are formulated as utility maximization problems under relevant constraints. The challenges posed by these ... -
Hitting Geometric Range Spaces using a Few Points
(2018-02-15)A range space (P, S) consists of a set P of n elements and a collection S = {S1,...,Sm} of subsets of P , referred to as ranges. A hitting set for this range space refers to a subset H of P such that every Si in S contains ... -
Influence Dynamics on Social Networks
(2018-02-15)With online social networks such as Facebook and Twitter becoming globally popular, there is renewed interest in understanding the structural and dynamical properties of social networks. In this thesis we study several ... -
Effective Automatic Computation Placement and Data Allocation for Parallelization of Regular Programs
(2018-02-15)Scientific applications that operate on large data sets require huge amount of computation power and memory. These applications are typically run on High Performance Computing (HPC) systems that consist of multiple compute ...