Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1098-1117 of 1484
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Object Segmentation and Reconstruction Using Infrastructure Sensor Nodes for Autonomous Mobility
(University of Waterloo, 2023-06-07)This thesis focuses on the Lidar point cloud processing for the infrastructure sensor node that serves as the perception system for autonomous robots with general mobility in indoor applications. Compared with typical ... -
Obstacle Avoidance in Intelligent Assisted Walking Devices for Improving Mobility Among Seniors with Cognitive and Visual Impairments
(University of Waterloo, 2016-01-25)Current research in walkers and rollators with integrated intelligent computing and robotic components shows promise in treatment, management and rehabilitation of a variety of ailments and disorders such as stroke, Alzheimer ... -
Off-normal solar optical property measurements using an integrating sphere
(Elsevier, 2012-01-01)Shading devices attached to windows can be used to control solar gain and hence reduce building peak load and annual energy consumption. The performance of a shading device in this regard is strongly dependent on its solar ... -
Off-Normal Solar-Optical Performance of Pleated Drapery: Simulation versus Measurement
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2016-01)In recent years, significant advances have been made in modeling fenestration with shading attachments. Most shading devices have great potential for reducing both peak building cooling load and annual energy consumption ... -
Oil Adsorption Performance and Efficiency Study on Novel Silane Functionalized Graphene Polyurethane Sponge
(University of Waterloo, 2017-08-30)Oil-water separation has been vital in many aspects of our society’s operations. This is particularly highlighted during the environmental cleanups of industrial oily wastes and disasters involving petroleum oil spills. ... -
On nonequilibrium shrinkage of supercritical CO2 droplets in a water-carrier microflow
(AIP Publishing, 2018-07-16)We report an experimental study on the hydrodynamic shrinkage of supercritical carbon dioxide (scCO(2)) microdroplets during a nonequilibrium process. After scCO(2 )microdroplets are generated by water shearing upon a ... -
On the Deformation Mechanics of Hyperelastic Porous Materials
(University of Waterloo, 2011-04-25)The understanding of the deformation mechanics within porous structures is an important field of study as these materials exist in nature as well as can be manufactured industrially influencing our lives daily. The motivation ... -
On the Development of Fold Initiator Patterns to Promote Progressive Folding of Hot Stamped Ultra-High Strength Axial Crush Structures
(University of Waterloo, 2021-06-21)The effect of fold initiator design on the performance of axial crush rails fabricated using ultra high strength steels (UHSS) is examined in a combined experimental-numerical-analytical study. Of particular interest is ... -
On the Enhancement of the Localization of Autonomous Mobile Platforms
(University of Waterloo, 2020-08-27)The focus of many industrial and research entities on achieving full robotic autonomy increased in the past few years. In order to achieve full robotic autonomy, a fundamental problem is the localization, which is the ... -
On the experimental design of the material microstructures
(University of Waterloo, 2014-05-05)The design techniques of the components on the macro level are established in the scientific community, however are far behind from the real material performance limits. To obtain those limits, the deeper understanding of ... -
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 ... -
On the Influence of the Through-Thickness Strain Gradients for Characterization of Formability and Fracture of Sheet Metal Alloys
(University of Waterloo, 2019-01-25)The main focus of this thesis is to investigate the effect of through-thickness strain gradient on sheet metal formability. Current technology for formability analysis has relied upon deformation modes of in-plane stretching ... -
On the Manifold: Representing Geometry in C++ for State Estimation
(University of Waterloo, 2018-12-19)Manipulating geometric objects is central to state estimation problems in robotics. Typical algorithms must optimize over non-Euclidean states, such as rigid transformations on the SE(3) manifold, and handle measurements ... -
On the measurement of relative powder-bed compaction density in powder-bed additive manufacturing processes
(Elsevier, 2018-10-05)Experimental studies in the literature have identified the powder-bed compaction density as an important parameter, governing the quality of additively manufactured parts. For example, in laser powder-bed fusion (LPBF), ... -
On the planar flow development and structural loading of cylinders with circular fins in cross-flow
(University of Waterloo, 2015-05-14)Finned cylinders are commonly encountered in the design of heat exchangers. Critical to the design and performance of a heat exchanger are the mean and fluctuating loading on the tubes, as they relate to pressure losses ... -
On the Potential Use of Small Scale Fire Tests for Screening Steiner Tunnel Results for Spray Foam Insulation
(University of Waterloo, 2013-05-21)The goal of this study is to assess the potential of using bench-scale fire testing to screen materials for the Steiner tunnel fire test. It is hypothesized that the chemical and physical changes made to a material to ... -
On the Response of 7000-Series Alloys to Hot Stamping
(University of Waterloo, 2020-01-07)Hot stamping, or die quenching (DQ), of 7000-series aluminum alloys is a metal forming process in which a blank is heated (solutionized) and then quenched and formed in cold tooling. The formed part is then subjected ... -
One-dimensional titanium dioxide nanomaterial based memristive device and its neuromorphic computing applications
(University of Waterloo, 2019-08-13)Memristor devices as the alternative to the next-generation non-volatile memory devices has been widely studied recently due to its advantages of simple structure, fast switching speed, low power consumption. Among all the ... -
Operational Design Domain Monitoring and Augmentation for Autonomous Driving
(University of Waterloo, 2022-12-19)Recent technological advances in Autonomous Driving Systems (ADS) show promise in increasing traffic safety. One of the critical challenges in developing ADS with higher levels of driving automation is to derive safety ... -
Operator Impedance During Physical Human-Robot Interaction: Estimation and Validation
(University of Waterloo, 2019-09-20)As the frequency and complexity of physical human-robot interaction (pHRI) increases, so does the need to understand the dynamics of this coupled system in real-time. For haptic displays, which provide information to our ...