Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1166-1185 of 1497
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A Potential Field-Based Model Predictive Path-Planning Controller for Autonomous Road Vehicles
(Institute of Electrical and Electronics Engineers, 2016-09-26)Artificial potential fields and optimal controllers are two common methods for path planning of autonomous vehicles. An artificial potential field method is capable of assigning different potential functions to different ... -
Powder bed binder jetting additive manufacturing of silicone structures
(Elsevier, 2018-05-01)The feasibility of a hybrid additive manufacturing (AM) method combining material extrusion and powder bed binder jetting (PBBJ) techniques for fabrication of structures made of silicone (polysiloxane) is investigated in ... -
Powder Spray Laser Additive Manufacturing of Zirconium
(University of Waterloo, 2016-11-29)Zirconium is commonly used in nuclear, chemical processing and biomedical applications due to its low thermal neutron cross-section, relatively high corrosion resistance and great biocompatibility. Although it is an ideal ... -
Powder-fed Laser Directed Energy Deposition of Near-β Titanium Alloy: A Comprehensive Analytical and Experimental Analysis
(University of Waterloo, 2021-10-12)Laser directed energy deposition through powder feeding (LDED-PF), a class of metal additive manufacturing (AM), is a promising technique that enables the repair and refurbishment of metallic components with a variety of ... -
Power and Fuel Economy Optimization of Unthrottled Spark-Ignition Engines Using Highly Flexible Hydraulic Variable Valve Actuation System
(University of Waterloo, 2018-04-16)Variety of technologies along with the mechanisms for their implementations have been developed in order to pursue possible improvements in the performance and efficiency of gasoline engines. Yet, most of the commonly used ... -
Power Generation and Blade Flow Measurements of a Full Scale Wind Turbine
(University of Waterloo, 2009-08-31)Experimental research has been completed using a custom designed and built 4m diameter wind turbine in a university operated wind facility. The primary goals of turbine testing were to determine the power production of the ... -
Power Module Packaging in Automotive Applications
(University of Waterloo, 2016-05-02)In this study, nano silver paste was used as die attach material with the aim of increasing reliability of joints in power modules in automotive applications. Prior to joining, nano silver paste was spread on the interface ... -
Powertrain Selection and Integration of a Single Shaft Pre and Post-Transmission Series-Parallel Plug-in Hybrid Electric Vehicle Camaro
(University of Waterloo, 2019-01-23)The ever-growing concern for the environment as well as stricter emissions has fueled the drive for the automotive industry to sway away from the conventional fossil-fueled vehicle. As the pursuit of using alternative ... -
Practical Coordination of Multi-Vehicle Systems in Formation
(University of Waterloo, 2014-05-14)This thesis considers the cooperation and coordination of multi vehicle systems cohesively in order to keep the formation geometry and provide the string stability. We first present the modeling of aerial and road vehicles ... -
The Precipitation Hardening and Annealing Behavior of a Laminated Al Alloy System
(University of Waterloo, 2013-12-03)The laminated system processed using FusionTM technology is reported to contain a compositional gradient between the different layers. The interface region exhibits various precipitation characteristic during the subsequent ... -
Precision Control of High Speed Ball Screw Drives
(University of Waterloo, 2009-01-16)Industrial demands for higher productivity rates and more stringent part tolerances require faster production machines that can produce, assemble, or manipulate parts at higher speeds and with better accuracy than ever ... -
Precision Control of High Speed Drives using Active Vibration Damping
(University of Waterloo, 2010-09-02)In order to meet industry demands for improved productivity and part quality, machine tools must be equipped with faster and more accurate feed drives. Over the past two decades, research has focused on the development of ... -
Precision Landing of a Quadrotor UAV on a Moving Target Using Low-Cost Sensors
(University of Waterloo, 2014-09-16)With the use of unmanned aerial vehicles (UAVs) becoming more widespread, a need for precise autonomous landings has arisen. In the maritime setting, precise autonomous landings will help to provide a safe way to recover ... -
Predicting Steady-State Performance of Falling-Film Drain Water Heat Recovery Systems from Rating Data
(University of Waterloo, 2015-12-08)Drain Water Heat Recovery (DWHR) systems are counter-flow heat exchangers typically used to recover energy from warm water going down shower drains. Such systems are becoming commonplace in many residential buildings; ... -
Predicting the axial crush response of CFRP tubes using three damage-based constitutive models
(Elsevier, 2018-08)Availability of newly developed rapid manufacturing processes may in the near future enable the integration of continuous fiber composites into vehicles while maintaining the volume production rates typical for the automotive ... -
Prediction of Bead geometry in Gas Metal Arc Welding by Statistical Regression Analysis
(University of Waterloo, 2019-01-25)Manufactures in fabrication industry have long depended on Gas Metal Arc welding as one of the most reliable and economical techniques for joining parts. The need for reducing costs and addressing a skills shortage on the ... -
Prediction of Forces and Moments in Multiphase Naval Simulations
(University of Waterloo, 2020-01-23)This thesis investigates the prediction of forces and moments in the static and dynamic planar motion mechanism (PMM) simulations of ship manoeuvring problems using the open-source Computational Fluid Dynamics (CFD) software ... -
Prediction of ply crack evolution and stiffness degradation in multidirectional symmetric laminates under multiaxial stress states
(Elsevier, 2018-01-15)A comprehensive study was performed to assess the influence of microscopic ply crack interactions on crack surface opening (COD) and sliding displacements (CSD) for arbitrary plies in general symmetric multidirectional ... -
A PREDICTION OF THE DROPLET SIZE AND VELOCITY DISTRIBUTION IN A SPRAY FROM FIRST PRINCIPLES
(University of Waterloo, 2016-09-12)The maximum entropy formalism is used to predict the droplet size and velocity distribution in a spray resulting from the breakup of a liquid sheet. The physics of the process are described by simple conservation constraints ... -
Predictive Model for a PV/Thermal Impinging Jet Solar Collector
(University of Waterloo, 2010-05-19)This thesis is a study of impinging jet PV/Thermal collectors. More specifically, the thesis deals with the development of a model for this type of collector and its validation. The model developed for this thesis ...