Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1196-1215 of 1483
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Quadrotor Position Estimation using Low Quality Images
(University of Waterloo, 2011-09-28)The use of unmanned systems is becoming widespread in commercial and military sectors. The ability of these systems to take on dull, dirty, and dangerous tasks which were formerly done by humans is encouraging their rapid ... -
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 ... -
Quantifying Isothermal Solidification Kinetics during Transient Liquid Phase Bonding using Differential Scanning Calorimetry
(University of Waterloo, 2006)The problem of inaccurate measurement techniques for quantifying isothermal solidification kinetics during transient liquid phase (TLP) bonding in binary and ternary systems; and resulting uncertainty in the accuracy of ... -
Quantifying Upper-Limb Bimanual Coordination Performance Using Machine Learning Techniques for Concussion Screening
(University of Waterloo, 2021-12-16)Current concussion screening and diagnosis tools rely on symptom checklist scores, along with subjective assessments performed by a clinician. This introduces high variability and bias, and increases the chances of missed ... -
Quantitative Design Decision Method: Performance-Based Design Utilizing A Risk Analysis Framework
(University of Waterloo, 2012-05-16)The model building and fire codes in Canada permit prescriptive-based design and performance-based design approaches. Within this regulatory framework, prescriptive-based designs are attributed objective and functional ... -
Quantitative Measurement Techniques for Wind Turbine Blade Aerodynamic Performance
(University of Waterloo, 2017-03-07)The installed capacity of wind turbines has been growing rapidly in recent years, creating an increased need for accurate measurements and models of wind turbine performance to further their development. There is a need ... -
Quantitative Optical Gas Imaging using Broadband Mid-wavelength Infrared Single-Channel and Multispectral Cameras
(University of Waterloo, 2022-11-25)Quantifying and limiting methane emissions from upstream oil and gas is an efficient strategy to reduce anthropogenic climate change and has received considerable attention from regulators in recent years. Quantification ... -
Quasi-static and dynamic characterization of unidirectional non-crimp carbon fiber fabric composites processed by HP-RTM
(Elsevier, 2019-07)Recently developed high-pressure resin transfer molding (HP-RTM) processes have enabled the integration of lightweight fiber-reinforced composites into automobiles (e.g., frame and roof components, floor segments), which ... -
Quasi-Static, Cyclic, and Fracture Characteristics of Plasma Transferred Wire Arc (PTWA) Thermal Sprayed AlSi Cylinder Bores
(University of Waterloo, 2022-05-12)This study examines the microstructure and mechanical properties of plasma transferred wire arc (PTWA) coating of typical alloyed steel, deposited on diecast aluminum alloy cylinder bores. The coating surface and microstructure ... -
Quench Sensitivity of 6xxx Aluminum Alloys
(University of Waterloo, 2016-05-16)The use of AA6xxx series alloys continues to grow with the increasing demand for more fuel efficient vehicles. AA6xxx series alloys are commonly used in automotive applications because of their extrudability and good ... -
Rapid Fabrication Techniques for Anatomically-Shaped Calcium Polyphosphate Substrates for Implants to Repair Osteochondral Focal Defects
(University of Waterloo, 2007-10-01)The purpose of the present study is to develop techniques for manufacturing anatomically-shaped substrates of implants made from calcium polyphosphate (CPP) ceramic. These substrates have tissue-engineered cartilage growing ... -
Rapid Identification of Virtual CNC Drives
(University of Waterloo, 2007-08-23)Virtual manufacturing has gained considerable importance in the last decade. To obtain reliable predictions in a virtual environment, the factors that influence the outcome of a manufacturing operation need to be carefully ... -
Rapid prediction of real-time thermal characteristics, solidification parameters and microstructure in laser directed energy deposition (powder-fed additive manufacturing)
(Elsevier, 2019-12)The localized thermal characteristics, solidification parameters and the corresponding microstructure depend highly on the process parameters in the laser powder-fed additive manufacturing (LPF-AM) process. However, ... -
Rapid Thermo-mechanical Modeling of Laser Powder-Bed Fusion Additive Manufacturing using an Effective Heat Source
(University of Waterloo, 2021-09-22)Laser powder-bed fusion (LPBF) is one of the most common types of additive manufacturing (AM) processes that has gained a lot of attraction by industries. This process induces a high magnitude of a temperature gradient ... -
Real time resistance monitoring during sintering of silver paste
(Elsevier, 2018-01-15)Real time resistance monitoring technology is used to study the silver sintering process. Signals of joint resistance show events such as resistance increase to >10 GΩ, abrupt resistance drop from >10 GΩ to <1 kΩ, ... -
Real time resistance monitoring technology for microjoining process and reliability test
(University of Waterloo, 2017-12-14)New microjoining materials are needed for the soldering of electronic components due to environmental concern, reliability concern, and designing restriction. For example, a new low melting point solder is needed due to ... -
Real-time 3D Object Detection for Autonomous Driving
(University of Waterloo, 2018-05-10)This thesis focuses on advancing the state-of-the-art 3D object detection and localization in autonomous driving. An autonomous vehicle requires operating within a very unpredictable and dynamic environment. Hence a robust ... -
Real-Time Closed-Loop Control of Microstructure and Geometry in Laser Materials Processing
(University of Waterloo, 2017-12-18)Laser Materials Processing (LMP) is currently one of the fastest growing technologies of the 21st century. Different categories of this technology such as Laser Additive Manufacturing (LAM) and Laser Heat Treatment (LHT) ... -
Real-time estimation of the road bank and grade angles with unknown input observers
(Taylor & Francis, 2017-01-24)This paper proposes an approach for the estimation of the road angles independent from the road friction conditions. The method employs unknown input observers on the roll and pitch dynamics of the vehicle. The correlation ... -
Real-Time Monitoring of Thermal Processes
(University of Waterloo, 2023-09-27)In this research, a monitoring system for thermal processes was developed which measures the most critical process phenomena, such as thermal dynamics (peak temperature, heating rate, and cooling rate) and geometric features, ...