Browsing Mechanical and Mechatronics Engineering by Type "Doctoral Thesis"
Now showing items 1-20 of 424
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Absorption of Nitric Oxide from Flue Gas Using Ammoniacal Cobalt(II) Solutions
(University of Waterloo, 2013-01-24)Air emissions from the combustion of fossil fuel, including carbon dioxide, sulfur dioxide, nitrogen dioxide and nitric oxide, have caused severe health and environmental problems. The post-combustion wet scrubbing has ... -
Acausal Powertrain Modelling with Application to Model-based Powertrain Control
(University of Waterloo, 2014-02-21)The automotive industry has long been searching for efficient ways to improve vehicle performance such as drivability, fuel consumption, and emissions. Researchers in the automotive industry have tried to develop methods ... -
Acceleration and Heating of Metal Particles in Condensed Matter Detonation
(University of Waterloo, 2010-04-30)For condensed explosives containing metal particle additives, interaction of the detonation shock and reaction zone with the solid inclusions leads to non-ideal detonation phenomena. Features of this type of heterogeneous ... -
Active Aerodynamic Modification of Wind Turbine Blades to Reduce Load Fluctuation
(University of Waterloo, 2020-04-16)Wind turbines operate predominantly in relatively unsteady flow conditions and are typically misaligned with the incoming wind. Moreover, as wind turbines increase in size, the loading on the blades becomes more problematic ... -
Active and Semi-Active Bushing Design for Variable Displacement Engine
(University of Waterloo, 2006)The Variable Displacement Engine (VDE) is a new generation of engines that are designed to decrease the fuel consumption at the cruise speed of a vehicle. The isolation of the VDE's new vibration pattern is beyond the ... -
Adaptive and Interconnected Suspension Systems for Improving Truck Stability and Ride Quality
(University of Waterloo, 2023-08-08)Truck drivers are constantly exposed to undesirable vibrations caused by uneven road surfaces, especially in long-distance transportation. In addition to being at risk of repetitive motion injuries, drivers also suffer ... -
Adaptive and Optimal Motion Control of Multi-UAV Systems
(University of Waterloo, 2019-05-21)This thesis studies trajectory tracking and coordination control problems for single and multi unmanned aerial vehicle (UAV) systems. These control problems are addressed for both quadrotor and fixed-wing UAV cases. Despite ... -
Adaptive Cooperative Highway Platooning and Merging
(University of Waterloo, 2017-05-19)As low-cost reliable sensors are introduced to market, research efforts in autonomous driving are increasing. Traffic congestion is a major problem for nearly all metropolis'. Assistive driving technologies like cruise ... -
Adaptive Formation Control of Cooperative Multi-Vehicle Systems
(University of Waterloo, 2015-12-22)The literature comprises many approaches and results for the formation control of multi-vehicle systems; however, the results established for the cases where the vehicles contain parametric uncertainties are limited. ... -
Additive Manufacturing Methodology and System for Fabrication of Porous Structures with Functionally Graded Properties
(University of Waterloo, 2014-02-26)The focus of this dissertation is on the development of an additive manufacturing system and methodology for fabricating structures with functionally graded porous internal properties and complex three-dimensional external ... -
Additive Manufacturing of Graphene-based Devices
(University of Waterloo, 2017-01-19)Additive manufacturing (AM) introduces a new era for the fabrication of 3D structures. AM, as an emerging and disruptive manufacturing technology, has the potential to be employed for fabrication of polymeric, metallic, ... -
Additive Manufacturing of Architected Structures for Healthcare Applications
(University of Waterloo, 2021-05-07)This dissertation focuses on the development of architected structures via direct additive manufacturing (AM) and novel template-assisted techniques for sensing and tissue engineering applications. Although AM technologies ... -
Additive Manufacturing of Graphene-based Patterns
(University of Waterloo, 2016-02-11)The focus of this dissertation is on the deployment and characterization of a micro-scale aerosol-jet additive manufacturing technology to print highly conductive and flexible graphene-based patterns. For this purpose, a ... -
Additive Manufacturing of Porous Titanium Structures for Use in Orthopaedic Implants
(University of Waterloo, 2015-08-04)This dissertation explores additive manufacturing of porous titanium structures for possible use as scaffolds in orthopaedics. Such scaffolds should be tailored in terms of mechanical properties and porosity to satisfy ... -
Additive Manufacturing of Soft Polysiloxane-based Bio-structures with Heterogeneous Properties
(University of Waterloo, 2018-03-26)This thesis is concerned with the development of novel additive manufacturing (AM) systems and methodologies for high speed fabrication of complex material-graded silicone structures with controllable internal features ... -
Advanced hybrid laser welding of pipeline steels using novel technologies
(University of Waterloo, 2024-04-23)Laser beam welding using a high energy density source is a promising method for joining thick plates due to its deep penetration and high productivity, although there are drawbacks such as poor gap-bridging ability, and ... -
Advances in the Modeling of Time-Resolved Laser-Induced Incandescence
(University of Waterloo, 2018-09-20)Aerosolized nanoparticles represent both great potential for the development of emerging technologies and one of the biggest challenges currently facing our planet. In the former case, aerosol-based synthesis techniques ... -
Aeroacoustics of Compressible Vortex Reconnection
(University of Waterloo, 2021-08-27)Aeroacoustics is a key focus in the design of propulsion, energy, and transportation systems. Noise generation in these systems is caused by the unsteadiness of the flow and simplified acoustic models are used to approximate ... -
Aerodynamics of finite-span inclined flat plates in ground proximity
(University of Waterloo, 2023-09-11)Photovoltaic power generation has grown to become a multi-billion dollar global sector, aiding in the switch to renewable energy sources to limit the progress of climate change. However, relatively high energy production ... -
Ag Nanoparticles and their Application in Low-Temperature Bonding of Cu
(University of Waterloo, 2014-01-03)Ag nanoparticle (NP) paste was fabricated and used to bond Cu wire to Cu foil at low temperatures down to 433 K. The relatively low bonding temperature promotes this method to be used in polymer-based flexible electronics, ...