Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1008-1027 of 1494
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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 ... -
A Multifunctional MEMS Pressure and Temperature Sensor for Harsh Environment Applications
(University of Waterloo, 2013-02-21)The objective of this thesis was to develop a fast-response multifunctional MEMS (Micro Electro Mechanical Systems) sensor for the simultaneous measurement of in-cylinder pressure and temperature in an internal combustion ... -
A multifunctional sensor system for brake system applications
(University of Waterloo, 2015-09-28)The objective of this thesis is to develop a multifunctional MEMS (Micro Electro Mechanical System) sensor system for the simultaneous measurement of pressure and temperature inside a hydraulic system, more specifically a ... -
Multiphysics Modeling of a Microchannel Methanol Steam Reformer for High Temperature Polymer Electrolyte Membrane Fuel Cell Systems
(University of Waterloo, 2019-03-13)One of the main challenges facing power generation by fuel cells is the difficulties of hydrogen fuel storage. Several methods have been suggested and studied by researchers to overcome this problem. Among these methods, ... -
Multiple Memory Material Processing for Augmentation of Local Pseudoelasticity and Corrosion Resistance of NiTi-based Shape Memory Alloys
(University of Waterloo, 2013-04-22)Possessing unique thermomechanical properties, the discovery of nickel-titanium shape memory alloys (SMAs) has sprouted a plethora of applications in various fields, including aerospace, automotive, microelectronics, and ... -
Multiple Tools for Automated Nanofiber Characterization by Image Processing
(University of Waterloo, 2022-05-10)Nanofibers have been widely used in many engineering applications, including air filtration, energy storage, and biomedical engineering. Their performances largely depend on the morphology of nanofibers. The key morphological ... -
Multiple-Model Robust Adaptive Vehicle Motion Control
(University of Waterloo, 2019-08-28)An improvement in active safety control systems has become necessary to assist drivers in unfavorable driving conditions. In these conditions, the dynamic of the vehicle shows rather different respond to driver command. ...