Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1261-1280 of 1490
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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. ... -
Sagging resistance of warm formed aluminum brazing sheet
(Elsevier, 2018-04-01)Interrupted tensile tests, performed between room temperature (RT) and 250°C, were used to simulate warm forming of an AA3003/AA4045 brazing sheet. Brazing performance was predicted from sagging distance measurements after ... -
Sampling-Window Based Approach for Fire Gas Analysis of Rigid Foams
(University of Waterloo, 2013-08-22)A sampling-window based approach was developed to collect and analyze the gases evolved during fire performance testing using the cone calorimeter. For this purpose, a Fourier Transform Intra-red (FTIR) Spectroscopy system ... -
Scan Registration Using the Normal Distributions Transform and Point Cloud Clustering Techniques
(University of Waterloo, 2013-04-23)As the capabilities of autonomous vehicles increase, their use in situations that are dangerous or dull for humans is becoming more popular. Autonomous systems are currently being used in several military and civilian ... -
Self-Localization for Autonomous Driving Using Vector Maps and Multi-Modal Odometry
(University of Waterloo, 2023-04-05)One of the fundamental requirements in automated driving is having accurate vehicle localization. It is because different modules such as motion planning and control require accurate location and heading of the ego-vehicle ... -
Self-propulsion of aluminum particle-coated Janus droplet in alkaline solution
(Elsevier, 2018-12-15)Janus droplet motion powered by gas bubbles is studied in this paper. The Janus droplets were fabricated by partially covering one side of an oil droplet with aluminum particles under gravity effect. By placing the Janus ... -
The semiconductor properties of passive films and corrosion behavior of stainless steel reinforcing bars in simulated concrete pore solution
(Elsevier, 2019-06)The vulnerability of concrete reinforcing steels to corrosion when depassivation occurs, typically in the presence of chloride, makes it important to understand the nature of the steels’ passive films. In Part I of the ... -
Sensing of Heavy Metal Ions via Fluorescence Quenching of Femtosecond-Laser-Synthesized Nanoparticles
(University of Waterloo, 2020-12-16)Nanoparticles (NPs) for sensing of heavy metal ions (HMIs) via fluorescence quenching are becoming sought-after for their facile synthesis, cost effectiveness, and high degree of tunability. In this thesis, the sensitive ... -
Sensitivity alteration of fiber Bragg grating sensors through on-fiber metallic coatings produced by a combined laser-assisted maskless microdeposition and electroless plating process
(University of Waterloo, 2013-04-05)This thesis is concerned with sensitivity alterations of Fiber Bragg Grating (FBG), sensors through additive coatings produced by a combined Laser-Assisted Maskless Micro-deposition (LAMM) and electroless plating process. ... -
Sensitivity of the Solar Heat Gain Coefficient of Complex Fenestration Systems to the Indoor Convection Coefficient
(International Building Performance Simulation Association, 2016)Accurate estimation of the solar gain of a fenestration system is important in analyzing the energy performance of buildings. Recently, models were developed for complex fenestration systems – glazing systems with attachments ... -
Sensor Fault Detection and Fault-Tolerant Estimation of Vehicle States
(University of Waterloo, 2023-01-13)Manufacturing smarter and more reliable vehicles is a progressing trend in the automotive industry. Many of today’s vehicles are equipped with driver assistant, automated driving and advanced stability control systems. ... -
Separation and purification of valuable chemicals from simulated hydrothermal conversion product solution
(University of Waterloo, 2013-01-17)5-HMF as a versatile organic compound is considered as a promising biomass-derived value-added product via dehydration of saccharide. A large amount of research has been carried out on its production and separation. In ... -
Separation of nanoparticles by a nano-orifice based DC-dielectrophoresis method in a pressure-driven flow
(Royal Society of Chemistry, 2016-10-07)A novel DC-dielectrophoresis (DEP) method employing a pressure-driven flow for the continuous separation of micro/nano-particles is presented in this paper. To generate the DEP force, a small voltage difference is applied ... -
Serial Compression Effects on Porosity, Diffusion, Permeability, and Water Droplet Contact Angle of the Gas Diffusion Layer in Polymer Electrolyte Membrane Fuel Cells
(University of Waterloo, 2020-05-14)The polymer electrolyte membrane (PEM) fuel cell is an electrochemical device that directly converts the chemical energy of hydrogen and oxygen into electricity with water and heat as byproducts. It is very promising to ... -
Serious Game for Fire Evacuation
(University of Waterloo, 2019-05-21)Fire safety for buildings has been of increasing concern due to the increase in occupant density in modern-day infrastructures. Efforts have been made by civil engineers to reduce loss in building fire accidents. For ... -
Settleable engineered titanium dioxide nanomaterials for the removal of natural organic matter from drinking water
(Elsevier, 2018-02-15)Four linear engineered TiO2 nanomaterials (LENs) were synthesized and evaluated in terms of settlability and their ability to remove natural organic matter (NOM) from river water. The size, surface characteristics, and ... -
Shape Control of Composite Structures with Optimally Placed Piezoelectric Patches
(University of Waterloo, 2008-01-29)The problem of shape control of composite laminated smart structures with piezoelectric patches placed at optimal location is considered in this thesis. Laminated plate structures with piezoelectric patches for shape ... -
Shape Optimization of Vertical-type Probe Needle Integrated with Floating Mount Technology
(University of Waterloo, 2014-01-09)Wafer probing is a testing process to inspect semiconductor wafers before packaging for defects by checking the electrical conductivity via physical contact between the wafers and the probe card. During the contact process, ... -
Shaping of Biodegradable Bone Implants Using Computer Numerically Controlled (CNC) Multi-Axis Machining
(University of Waterloo, 2008-09-24)This thesis presents the use of Computer Numerically Controlled (CNC) machining as a method to manufacture anatomically-shaped synthetic grafts made from Calcium Polyphosphate (CPP) ceramic. Tissue-engineered cartilage is ... -
Short-term forecasting and uncertainty analysis of wind turbine power based on long short-term memory network and Gaussian mixture model
(Elsevier, 2019-05)Wind power plays a leading role in the development of renewable energy. However, the random nature of wind turbine power and its associated uncertainty create challenges in dispatching this power effectively in the power ...