Browsing Electrical and Computer Engineering by Title
Now showing items 813-832 of 1985
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The Human Immune System: A Challenging Control Problem
(University of Waterloo, 2004)This work deals with the control of the human immune system. A standard immune system model is modified by introducing control signals corresponding to drug cocktail and immune suppressor treatments. The ultimate ... -
Human motion estimation and controller learning
(University of Waterloo, 2021-07-22)Humans are capable of complex manipulation and locomotion tasks. They are able to achieve energy-efficient gait, reject disturbances, handle changing loads, and adapt to environmental constraints. Using inspiration from ... -
Human Performance and Cognitive Workload in Haptic, Audio and Visual Environments
(University of Waterloo, 2015-12-17)The ability to efficiently perform a task in a human-in-the-loop system and in multi-sensory virtual environments is highly dependent on the type of sensory feedback the operator is receiving and the amount of workload the ... -
Human-Aware Motion Planning for Safe Human-Robot Collaboration
(University of Waterloo, 2020-10-08)With the rapid adoption of robotic systems in our daily lives, robots must operate in the presence of humans in ways that improve safety and productivity. Currently, in industrial settings, human safety is ensured through ... -
Hybrid Amorphous Selenium-CMOS Photon-Counting X-ray Imager
(University of Waterloo, 2018-05-23)Many medical imaging modalities, such as mammography and micro-computed tomography, utilize digital X-ray imagers to observe human anatomy. Direct digital X-ray imagers rely on a sensor layer (typically a photoconductor) ... -
Hybrid Amorphous-Selenium/CMOS Low-Light Imager
(University of Waterloo, 2018-07-18)This thesis aims to demonstrate a low-light imager capable of moonlight-level imag- ing by combining a custom-designed complementary-metal-oxide-semiconductor (CMOS) pixel array with amorphous selenium (a-Se) as its ... -
Hybrid Computational Algorithms for the Problem of Scattering from Grating Structures
(University of Waterloo, 2011-08-09)Modeling of wave scattering from grating couplers has become increasingly important due to extensive recent research interest in the problem of plasmonic resonance. Computational algorithms which are specially used to model ... -
Hybrid Inorganic/Organic Infrared Imaging Upconversion Devices
(University of Waterloo, 2015-04-30)Upconversion of near-infrared to visible light in a single, hybrid organic/inorganic device is explored in the following work. The components of the photodetector and organic light emitting diode, and the challenge of ... -
Hybrid Organic/Inorganic Optical Upconversion Devices
(University of Waterloo, 2011-12-19)The widely available charge coupled device (CCD) and lately CMOS imaging devices have created many applications on a mass scale. However these devices are limited to wavelengths shorter than about 1 μm. Hybrid photon ... -
Hybrid Semiconductor Detectors for High Spatial Resolution Phase-contrast X-ray Imaging
(University of Waterloo, 2019-02-20)When conventional x-ray radiography presents inadequate absorption-contrast, higher sensitivity can be achieved using phase-contrast methods. The implementation of phase-contrast x-ray imaging using propagation-based ... -
Hybrid Spectral Ray Tracing Method for Multi-scale Millimeter-wave and Photonic Propagation Problems
(University of Waterloo, 2011-10-04)This thesis presents an efficient self-consistent Hybrid Spectral Ray Tracing (HSRT) technique for analysis and design of multi-scale sub-millimeter wave problems, where sub-wavelength features are modeled using rigorous ... -
Hybrid Virtual Holonomic Constraints for a 2-D.O.F. Bipedal Robot
(IEEE, 2015-06-25)We apply virtual holonomic constraints (VHCs) to a fully actuated Euler-Lagrange system with impacts : a bipedal walking robot consisting of a stance leg, swing leg and hip mass. We call these hybrid virtual holonomic ... -
A Hydrogel Microneedle-Assisted Assay Integrating Aptamer Probes and Fluorescence Detection for Reagentless Biomarker Quantification
(University of Waterloo, 2022-05-11)Analyzing interstitial fluid (ISF) via microneedle devices enables patient health monitoring in a minimally invasive manner and at point-of-care settings. However, most of the MN-based diagnostic approaches require complicated ... -
Hydrogel-Based Dye-sensitized Solar Cells
(University of Waterloo, 2024-04-23)Utilizing PVA-PANI hydrogel as a quasi-solid state electrolyte in DSSC enhances device stability and efficiency. The hydrogel matrix provides mechanical robustness and facilitates ion transport, improving charge transfer ... -
Hydrophobicity Classification of RTV Silicone Rubber-Coated Insulators Using Deep Learning Algorithms
(University of Waterloo, 2022-08-18)Silicone rubber-based outdoor polymeric insulators are widely employed in electric power transmission and distribution networks to replace conventional ceramic insulators, owing to their superior performance in contaminated ... -
I/Q Imbalance Identification and Compensation for Millimeter-wave MIMO Systems
(University of Waterloo, 2019-09-20)Today’s fourth generation (4G) cellular mobile communication networks are tasked with providing service for an ever increasing number of mobile users and their demand for increased data rates. The fifth generation (5G) ... -
An iBeacon-Based Location-Aware Advertising System
(University of Waterloo, 2016-02-10)The billboard market near its end for the development of electric commerce, especially with the maturing of online advertising systems. Traditional billboards demand innova- tive ways to attract and categorize users; and ... -
Identifying Defects Related to the Order in which Messages are Received in Message-Passing Systems
(University of Waterloo, 2016-01-19)Improving the quality of software artifacts and products is an essential activity for everyone working on the development of software. Testing is one approach to reveal defects and faults in software. In recent years, ... -
III-V semiconductor nanowire array avalanche photodiodes
(University of Waterloo, 2023-01-03)Detecting single photons with high efficiency and timing resolution opens up new possibilities for various technologies such as light detection and ranging (LIDAR), long-distance secure communication, singlet oxygen detection ... -
Image Analysis Applications of the Maximum Mean Discrepancy Distance Measure
(University of Waterloo, 2013-05-23)The need to quantify distance between two groups of objects is prevalent throughout the signal processing world. The difference of group means computed using the Euclidean, or L2 distance, is one of the predominant distance ...