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Mechanical and Mechatronics Engineering: Recent submissions
Now showing items 161-180 of 1512
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Humanoid Robotic Manipulation Benchmarking and Bimanual Manipulation Workspace Analysis
(University of Waterloo, 2022-09-07)The growing adoption of robots for new applications has led to the use of robots in human environments for human-like tasks, applications well-suited to humanoid robots as they are designed to move like a human and operate ... -
Nanostructured Materials for Electrochemical CO2 Reduction to Multicarbon Products
(University of Waterloo, 2022-09-07)Electrochemical CO2 reduction technology offers promise as a method of carbon storage and energy storage in a world where anthropogenic CO2 levels in the atmosphere are linked with climatic degradation. The main missing ... -
Safe and Efficient Navigation of a Mobile Robot: Path Planning Based on Hierarchical Topology Map and Motion Planning with Pedestrian Behavior Model
(University of Waterloo, 2022-09-02)Safety in mobile robot navigation is an essential aspect, but it is often accompanied by a trade-off of efficiency in different navigation steps. For global planning, safety is frequently handled by inflated obstacles. ... -
SIMULTANEOUS SENSING OF PRESSURE AND TEMPERATURE USING A SELF-TEMPERATURE-COMPENSATED FABRY–PÉROT MEMS MECHANISM
(University of Waterloo, 2022-09-01)This thesis presents the design and development of a self-temperature-compensated sensor for measuring temperature and pressure in harsh environments using a combination of Fabry–Pérot interferometry and microelectromechanical ... -
Development of a Multi-Hour Ahead Wind Power Forecasting System
(University of Waterloo, 2022-09-01)Wind energy, as a renewable and green energy source with substantial value that is vital for sustainable human development, is gaining more and more attention around the world. The variability of wind implies that wind ... -
Robotic Reach, Grasp, and Pick-and-Place using Combined Reinforcement Learning and Traditional Controls
(University of Waterloo, 2022-09-01)Electrically actuated robotic arms have been implemented to complete tasks which are repetitive, strenuous, and/or dangerous since they were first developed in the 1970s. More than 50 years have passed since initial ... -
Microfluidic Viscometer for Tear Films and Other Biofluids
(University of Waterloo, 2022-08-26)A microfluidic viscometer platform is developed and validated for measuring microliter-volume liquid samples, such as human tear films. The microfluidic viscometer combines an optically clear acrylic chip with a hydrophobic ... -
Quantification of Flare Combustion Efficiency through Mid-Wavelength Infrared Spectroscopy
(University of Waterloo, 2022-08-26)Flares convert unwanted hydrocarbon emissions into carbon dioxide to be disposed into the atmosphere. Although this conversion reduces the oil and gas industry’s greenhouse gas inventory, it is still responsible for ... -
Development and Characterization of Size-controlled Non-spherical Platinum Nanoparticles as Catalyst for Proton Exchange Membrane Fuel Cells
(University of Waterloo, 2022-08-25)Platinum (Pt) nanoparticles with different sizes of 2nm and 5nm supported on functionalized high surface area carbon (HSC) have been successfully synthesized with a one-pot synthesis technique in large scale. Of the interest ... -
Determination of internal friction angle of rock materials using the drilling data
(University of Waterloo, 2022-08-25)Rock cutting is a critical process occurring in several rock excavation activities such as drilling, cutting, sawing, and is common across various industries such as petroleum, geothermal, geo-technical, and underground ... -
Vital Energy Regulator: A Time-Independent Solution for Control of Lower Limb Exoskeletons
(IEEE, 2021-10)In this letter, we introduce a novel control strategy called Virtual Energy Regulator (VER) for lower limb rehabilitation exoskeletons. Unlike the conventional trajectory tracking controllers, VER, which is a time-independent ... -
A hybrid inverse dynamic-neural network approach to lower limb exoskeleton control
(University of Waterloo, 2022-08-22)A powered machine that is wearable over all or part of the human body can be referred to as a powered exoskeleton. The role of powered exoskeletons is usually to provide ergonomic structural support while using motor power ... -
Investigating Synergy Between Vertical Axis Wind Turbines Using the Actuator Line Model
(University of Waterloo, 2022-08-22)In the past decade, numerous studies have confirmed the presence of beneficial, power-enhancing effects in the interactions of multiple vertical axis wind turbines (VAWTs). This effect is especially important for the ... -
Computational Modeling of the Cervical Spinal Cord: Integration into a Human Body Model to Investigate Response to Impact
(University of Waterloo, 2022-08-19)Acute spinal cord injuries (SCI) have a global annual occurrence rate of 14 to 40 per million population with considerable societal cost. The primary mechanism of injury involves physical damage to the nervous tissues, ... -
Process optimization of Gas Metal Arc Brazing technology
(University of Waterloo, 2022-08-03)Gas-metal-arc brazing (GMAB) technology is a transformative non-fusion joining process used in the joining of thin-gauge Zn-coated advanced high strength steels (AHSSs) employed in the automotive industry. Due to its lower ... -
Vision-based Self-Supervised Depth Perception and Motion Control for Mobile Robots
(University of Waterloo, 2022-07-18)The advances in robotics have enabled many different opportunities to deploy a mobile robot in various settings. However, many current mobile robots are equipped with a sensor suite with multiple types of sensors. This ... -
Experimental Methods for the Constitutive Characterization of Sheet Materials in Generalized Plane Strain
(University of Waterloo, 2022-07-11)Decreasing vehicle weight by substituting traditional steel for high-strength steel or aluminum is an effective way to improve fuel economy and decrease greenhouse gas emissions in the transportation sector. The optimization ... -
Integration of Transpiration Cooling and Shock Thrust Vectoring
(University of Waterloo, 2022-06-16)Transpiration cooling is used for active thermal protection whereas shock thrust vectoring is an attitude control approach. Both concepts rely on the injection, at the wall, of a secondary fluid into a high-speed and ... -
Resistance Spot Weld Fatigue Life Prediction Method Compatibility with Self-Piercing Rivets
(University of Waterloo, 2022-06-15)The Resistance Spot Weld (RSW) is traditional method for structural sheet metal joining with well established durability assessment techniques and methodologies. With increased prevalence of multi-material automotive ... -
On the Fire Performance of Exterior Wall Materials and Assemblies
(University of Waterloo, 2022-06-09)Recent attempts at combating climate change have urged the developers, public authorities, and other building stakeholders to employ enhanced energy conservation initiatives as Canada’s building sector accounts for 13% of ...