Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1001-1020 of 1493
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Molecular Dynamics Simulation for Nanoparticle-Surface Collision
(University of Waterloo, 2021-09-29)Nanoparticles are referred to as those particles with at least one dimension less than 100nm. Their small sizes lead to high surface area to volume ratios, which results in physi-cal and chemical properties different from ... -
Molecular Simulation of Chemically Reacting Flows Inside Micro/Nano-channels
(University of Waterloo, 2013-09-27)The main objective of this thesis is to study the fundamental behaviour of multi-component gas mixture flows in micro/nano-channels undergoing catalytic chemical reactions on the walls. This work is primarily focused on ... -
Monitoring and Control of Metal Additive Manufacturing Processes Using Ultrasound
(University of Waterloo, 2023-01-24)Laser powder bed fusion (LPBF) and Directed energy deposition (DED) are two classes of additive manufacturing (AM) that are widely used to fabricate metal components. In these processes, metal powder or wire and a heat ... -
Monitoring the Behaviour of a Battery-free Water Powered Sensor
(University of Waterloo, 2023-09-12)The Insurance Bureau of Canada says, “Water is the new fire”. In terms of cost of damage to homeowners and insurers, water damage is a rapidly growing threat to property and can have insidious, long-term effects if not ... -
Monocular Vision based Particle Filter Localization in Urban Environments
(University of Waterloo, 2007-09-26)This thesis presents the design and experimental result of a monocular vision based particle filter localization system for urban settings that uses aerial orthoimagery as a reference map. The topics of perception and ... -
Monocular Vision-Based Obstacle Detection for Unmanned Systems
(University of Waterloo, 2011-04-29)Many potential indoor applications exist for autonomous vehicles, such as automated surveillance, inspection, and document delivery. A key requirement for autonomous operation is for the vehicles to be able to detect and ... -
Monotonic and cyclic behaviour of cast and cast-forged AZ80 Mg
(Elsevier, 2017-11)Tensile and strain-controlled fatigue tests were performed to investigate the influence of forging on the performance of cast AZ80 magnesium alloy. The obtained microstructural analysis showed that the as-cast AZ80 magnesium ... -
Multi-Actuated Vehicle Control and Path Planning/Tracking at Handling Limits
(University of Waterloo, 2021-03-10)The increasing requirements for vehicle safety along with the impressive progress in vehicle actuation technologies have motivated manufacturers to equip vehicles with multiple control actuations that enhance handling and ... -
Multi-axle Vehicle Modeling and Stability Control: A Reconfigurable Approach
(University of Waterloo, 2019-09-19)Multi-axle vehicles, such as trucks and buses, have been playing a vital role in trucking industry, public transportation system, and long-distance transport services. However, at the same time, statistics suggest more ... -
Multi-Component and Multi-Dimensional Mathematical Modeling of Solid Oxide Fuel Cells
(University of Waterloo, 2008-02-19)Solid oxide fuel cells (SOFCs) are solid-state ceramic cells, typically operating between 1073 K and 1273 K. Because of high operating temperature, SOFCs are mostly applicable in stationary power generation. Among various ... -
Multi-frame Measurement Fusion for State Estimation
(University of Waterloo, 2007-09-27)Simultaneous Localization and Mapping (SLAM) is a technique used by robots and autonomous vehicles to build up a map while operating in an unknown environment, while at the same time keeping track of a current position ... -
Multi-objective Mapping and Path Planning using Visual SLAM and Object Detection
(University of Waterloo, 2019-01-23)Path planning of the autonomous robots is one of the crucial tasks that need to be achieved for mobile robots to navigate through the environment intelligently. The robot paths are typically planned utilizing map that ... -
Multi-phase Multi-dimensional Analysis of PEM Fuel Cells with Carbon Monoxide Poisoning and Oxygen Bleeding
(University of Waterloo, 2010-08-26)Polymer electrolyte membrane (PEM) fuel cells are promising alternative green power source for mobile, portable and stationary applications. However, their cost, durability, and performance are impacted by their sensitivity ... -
Multi-Physics Analysis of Laser Solid Freeform Fabrication
(University of Waterloo, 2009-03-24)The quality of parts fabricated using Laser Solid Freeform Fabrication (LSFF) is highly dependent on the physical phenomena and operating parameters which govern the process. For instance, the thermal stress patterns and ... -
Multi-scale Modeling and Optimization of Energy Absorption and Anisotropy in Aluminum Alloys
(University of Waterloo, 2017-04-26)This thesis outlines a study on the multi-scale modeling and optimization of lightweight aluminum front rails for automotive crashworthiness applications. This research is aimed to enhance the crashworthiness characteristics ... -
Multi-scale Modeling of Chemical Vapor Deposition: From Feature to Reactor Scale
(University of Waterloo, 2009-09-25)Multi-scale modeling of chemical vapor deposition (CVD) is a very broad topic because a large number of physical processes affect the quality and speed of film deposition. These processes have different length scales ... -
Multi-Scale Modeling of Laser Powder Bed Fusion Process for Superalloys
(University of Waterloo, 2022-12-02)Laser powder bed fusion (LPBF) is an additive manufacturing (AM) technique to fabricate complex geometries with minimal material waste. Over three hundred printing parameters can be altered to control the final part quality. ... -
Multiaxial cyclic behaviour and fatigue modelling of AM30 Mg alloy extrusion
(Elsevier, 2017-04-01)Multiaxial fatigue characteristics of AM30 Mg alloy extrusion are studied through fully-reversed strain controlled cyclic experiments including pure torsional and combined axial-torsional at 0, 45 and 90 phase angle shifts. ... -
Multiaxial Fatigue Characterization and Modeling of AZ31B Magnesium Extrusion
(University of Waterloo, 2012-01-04)The demand for lightweight materials in automobiles has been motivated by two factors: fuel economy and air pollution reduction. One of the first steps taken in automotive vehicle weight reduction was the use of aluminum ... -
Multidisciplinary Optimization of Hybrid Electric Vehicles: Component Sizing and Power Management Logic
(University of Waterloo, 2011-06-16)A survey of the existing literature indicates that optimization on the power management logic of hybrid electric vehicle is mostly performed after the design of the powertrain architecture or the power source components ...