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Analysis of Flywheel Energy Storage Systems for Frequency Support
(2021-03-02)
Flywheels have been used to store energy in rotation for centuries. However, they were previously not suited for storing electrical energy because of their lower operating speed. However, with AC to DC converters, the ...
Engineering Standards and Ethics in Automated Biometrics
(2021-04-14)
This work explores a two-part question: (1) what are the most recent engineering standards that govern AI development and implementation in the field of biometrics and (2) what ethical implications do they have for society? ...
Design and Implementation of High Performance Pipelined SAR ADC for Wireless Communications
(2021-04-16)
As the process keeps scaling down, successive approximation register (SAR) architecture becomes an attractive candidate in low-power, moderate-speed A/D converter (ADC) due its mostly digital operation. For high speed ...
Methods for Improving Visual Terrain Relative Navigation for Dynamic Aerial Systems
(2021-04-26)
One popular means of aerial localization and navigation in GPS-denied environments is visual terrain relative navigation. Terrain relative navigation involves performing image registration with sensed aerial camera imagery ...
Lasso Based Schemes for Solar Energy Forecasting
(2021-05-06)
The smart grid (SG) has emerged as an important form of the Internet of Things (IoT). Despite the high promises of renewable energy in the SG, it brings about great challenges to the existing power grid due to its nature ...
Simulation of Quantum Parametric Amplifiers
(2021-05-19)
Parametric amplifiers couple a nonlinear element to an external environment, resulting in frequency mixing of a pump tone and a smaller signal tone. The pump’s energy is coupled into the signal tone and an additional idler ...
End-effector Motion and Force Control for Mobile Redundant Manipulators
(2021-07-14)
Manipulators extend the application of mobile platforms, such as unmanned aerial vehicles,
underwater vehicles, and satellites. The dynamic coupling between the manipulators and
mobile base brings great challenges to the ...
Modeling and Optimization of Electron-Beam Lithographic Process
(2021-07-15)
An important issue in electron-beam (e-beam) lithography is to minimize the critical dimension (CD) error and line edge roughness (LER). This dissertation presents a method to measure the CD and LER from scanning electron ...
Toward Zero Backtracks in Test Pattern Search Algorithms with Machine Learning
(2021-07-19)
A digital circuit with n primary input lines has N = 2^n possible input vectors and a test vector that detects a fault in the circuit may be among those 2^n n-bit combinations. A pure random test generator can generate ...
Fabrication and Characterization of Flexible Thin-Film Superconducting Microwave Cables
(2021-07-26)
The future of superconducting and cryogenic electronic systems depends on densely integrated superconducting multi-layer and multi-signal flexible cables due to the massive number of electrical interconnects needed in ...