Filters: Publication Type:"dissertation" Department:"Electrical & Computer Engineering" School Or College:"College of Engineering" Collection:"ir_etd"
| Title | Author | Subject | Description | Date | ||
|---|---|---|---|---|---|---|
| 1 |  | Advances in statistical inference methods for networks and machine learning | Pournaderi, Mehrdad | Engineering; Statistics | The complexity of the data arising in modern applications, such as large-scale networks and machine learning, necessitates the development of advanced statistical inference methods with minimal assumptions on the distribution of the data being analyzed. | 2024-12 |
| 2 |  | Detection, segmentation, and tracking of cells in microscopy images | Ramesh, Nisha | Robust cell detection and segmentation serves as a critical prerequisite to test hypotheses on cell morphology, development, and behavior. Tracking cells in time and studying their evolution is necessary to analyze cell growth, mobility, and lineages. In this dissertation, we propose methods for cel... | 2018 | |
| 3 |  | Disjunctive normal shape models for image segmentation and tracking | Mesadi, Fitsum B. | Image segmentation and object tracking are two of the most fundamental computer vision problems. In both segmentation and tracking, how we represent or model the shape of the object of interest has significant effect on the performance of these algorithms. Existing shape models are generally either ... | 2018 | |
| 4 |  | Control of grid-connected doubly-fed induction generators using complex representations | Baesmat, Hana Jannaty | type-3 wind turbine generators; doubly-fed induction generators; sub-synchronous resonance | Type-3 wind turbine generators, otherwise known as the Doubly-Fed Induction Generators (DFIG), have gained significant attention due to the smaller rating of their power electronic converter and decoupled control of active and reactive powers. This dissertation deals with the modeling, analysis, and... | 2019 |
| 5 |  | Substrate material engineering for high aspect ratio platinum coated neural microelectrodes | Leber, Moritz Michael | Neural electrodes are interfaces through which biological signals are transmitted to external systems and vice-versa. They are a fundamental component for the development of neural prostheses, restoring lost motor or sensory functions of the body. This work investigates a substantially novel approac... | 2018 | |
| 6 |  | Materials and device engineering for ultra-wide bandgap β-Ga2O3-Based electron devices: towards energy efficient power electronics | Bhattacharyya, Arkka | Power electronic systems form the backbone of the modern world's electrical infrastructure. With the world's global energy consumption on the rise, "energy security" has become the biggest concern of this century. Energy-efficient low-cost power systems can reduce energy waste and accelerate the ado... | 2022 | |
| 7 |  | Scalable and reproducible modeling and simulation for heterogeneous populations | Watanabe, Leandro Hikiji | Advancements in the systems and synthetic biology fields have proved that biology can be engineered. The development of computer-aided design (CAD) tools has contributed to advancements in these fields. Mathematical modeling and simulation methods are important assets of CAD tools that are frequentl... | 2019 | |
| 8 |  | Terahertz characterization of III-nitride compound semiconductors and novel device structures | Quispe, Hugo Orlando Condori | The terahertz (THz) frequency range is a region of the electromagnetic spectrum where both electrical and optical phenomena are significant. This spectral region is attractive for a myriad of applications such as communications, security, molecular recognition, and medical imaging, among many others... | 2019 | |
| 9 |  | Vapor phase epitaxial growth of gallium oxide thin films and heterostructures for high performance electronics | Ranga, Praneeth | Power devices are intimately involved in generation, transmission, and consumption of electricity. Current silicon-based power devices are limited by the low breakdown field and low switching frequencies of silicon. Due to its large bandgap and critical breakdown field strength, β-Ga2O3 has emerged... | 2021 | |
| 10 |  | A computational framework to characterize the fast neural coding dynamics during eye movements | Aghdam, Amir Akbarian | Electrical engineering; Neurosciences | Understanding how our behavior and perception are generated from the response of brain cells, called neurons, to various external (e.g., visual input) and internal (e.g., reward value) covariates is a central goal in systems and computational neuroscience. Neurons, as the basic computational units o... | 2020 |
| 11 |  | Characterization and prediction of guided wave propagation in complex media via compressive sampling in time and space | Sabeti, Soroush | guided waves; machine learning; sparse wavenumber analysis; signal processing | Guided waves are commonly used within the realms of nondestructive evaluation (NDE) and structural health monitoring (SHM). Their properties and characteristics are highly dependent on the medium in which they are propagating. In many practical applications, however, these properties are not known a... | 2020 |
| 12 |  | Gas viscosity as a sensing element: microbubble chromatography | Bulbul, A N M Ashrafuzzaman | Air quality monitoring has become increasingly important because of the growing need for public health assessment under inevitable exposure to both indoor and outdoor air pollution. Monitoring air quality requires the detection of a wide range of gases, especially, at a part-per-billion (ppb) level.... | 2020 | |
| 13 |  | Photovoltaic string monitoring using spread spectrum time domain reflectometry | Saleh, Mashad Uddin | The primary objective of this dissertation is to evaluate the application of spread spectrum time domain reflectometry (SSTDR) to monitor photovoltaic (PV) strings in power plants. SSTDR has already been commercialized for detecting faults in cables in aerospace, rail, and other industries. SSTDR ca... | 2020 | |
| 14 |  | Equalization of distortions in nonlinear audio systems | Payal, Shreyas Srikanth | This dissertation investigates techniques to combat perceptible nonlinear distortions introduced by audio systems during playback. These techniques are based on physicsbased models of the distortions and their generating processes. Two nonlinear audio devices investigated are direct-radiator woofers... | 2019 | |
| 15 |  | Parametric amplification and passive temperature compensation in mems microcantilever vapor sensors | Likhite, Rugved | Indoor Air Quality (IAQ) refers to the air quality within and around buildings. Volatile Organic Compounds (VOCs) are one of the most harmful indoor air pollutants as they contribute to various health problems. The market for VOC sensors is currently dominated by expensive optical sensors or power-h... | 2020 | |
| 16 |  | Continuous-time optimization of power systems operation | Khatami, Roohallah | continuous-time optimization; electricity pricing; energy storage; flexible loads; power systems | With the large integration of renewable energy resources in power systems, the system operators face new challenges including resource intermittency and uncertainty, as well as high ramping requirements of the system net-load (electricity load minus renewable power output). Current operation models,... | 2019 |
| 17 |  | Asynchronous genetic circuit design | Nguyen, Tramy T. | Synthetic biology; genetic circuits; combinational circuits; synthetic biology open language | Synthetic biology is applying engineering concepts to biological processes to enable genetic circuit designs, among other applications. As more biological parts are being discovered, it is vital to have an automated procedure to allow complex circuit designs to be built. Technology mapping is a set ... | 2019 |
| 18 |  | Miniature closed-loop gas chromatography system | Hsieh, Hao-Chieh | Recent literature has increasingly reported on the adverse effects of the worsening air pollution and the resultant demand for distributed air quality monitoring systems. Currently, airborne chemicals measured at the community level fail to account for spatial and individual variability in air pollu... | 2019 | |
| 19 |  | Chemical sensing with nanogap and chemi mechanical devices | Banerjee, Aishwaryadev | chemical sensing; low power sensors; MEMS; nanofabrication; quantum tunneling sensors | This dissertation presents a new class of batch-fabricated, low-power and highly sensitive chemiresistive sensors. We first present the design, fabrication, and characterization of batch-fabricated sidewall etched vertical nanogap tunneling-junctions for bio-sensing. The device consists of two verti... | 2019 |
| 20 |  | Transience mechanisms for secured transient electronics | Pandey, shashank Shekhar | The dissertation presents two classes of triggered chip self-destruction or transience towards realization of highly secured microchips. The transience mechanisms developed in this study are required to be simple, low cost and designed in way that they can be easily "added-on" to any off-the-shelf (... | 2018 | |
| 21 |  | Design and analysis of increased data rate transmitters optimized for efficiency | Holzer, Kyle David | amplifier; communications; efficient; frequency; transceiver; wireless | To propel wireless communication into the next generation, devices must operate more efficiently and handle ever-increasing data rates. The power amplifier is typically the main bottleneck in performance metrics such as linearity, bandwidth, efficiency, cost, and size of the transmitter. This disser... | 2018 |
| 22 |  | Timing and placement driven approaches to improve power and performance in relative timed designs | Sharma, Tannu | The relative timed methodology produces up to 1/2 to 1/20th power at the same performance in asynchronous modules compared to industry best practice. Commercial EDA tools are developed under the assumption that users apply a traditional clocked design methodology. They are highly optimized to suppor... | 2019 | |
| 23 |  | Transfer learning of ultrasonic guided waves for damage isolation, localization, and detection | Alguri, Kishan Supreet | The underlying principle to locate active or passive sources in many fields start with removing baseline information. In underwater acoustics, researchers use localization algorithms to locate sea mammals. In speech, these algorithms locate and track active speakers. In seismology, localization is u... | 2019 | |
| 24 |  | A wireless and battery-less hermetically packaged glucose sensor employing hydrogel-based inductive sensing scheme and low-power asic for long-term implantable glucose monitoring | Yu, Yuechuan | Biosensor; glucose sensor; hydrogel; implantable sensor; inductive sensing; sensing electronics | A wireless inductive sensing technology with a robust packaging scheme is proposed and demonstrated for a hydrogel-based glucose sensing system. The sensing system employs a glucose-sensitive hydrogel embedding a parylene-coated metallic sensing plate as a key sensing element. A glucose change induc... | 2020 |
| 25 |  | Optimal allocation and configuration for power flow control techonolgies | Sang, Yuanrui | Congestion exists commonly in electric power transmission systems, and it can significantly increase generation dispatch costs and negatively affect renewable energy integration. Each year, the generation dispatch cost increase induced by transmission congestion is $3-4 billion in the U.S., and tran... | 2019 |