Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1441-1460 of 1483
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Uneven temperature and voltage distributions due to rapid discharge rates and different boundary conditions for series-connected LiFePO4 batteries
(Elsevier, 2017-02-01)This paper presents the surface temperature and voltage distributions on a prismatic lithium-ion battery pack at 1C, 2C, 3C, and 4C discharge rates and 5°C, 15°C, 25°C, and 35°C boundary conditions (BCs) for water cooling ... -
Upgrading a Broad Area Illuminating Integrating Sphere and Solar Transmittance Measurement of a Sheer Blind
(University of Waterloo, 2008-02-26)Shading devices are frequently used to control solar gain through windows. Solar optical properties are very important in the energy analysis of windows. Transmittance, absorptance and reflectance are required to quantify ... -
Use of Sensors for Fire Detection and Monitoring
(University of Waterloo, 2019-05-17)The ultimate goal of placing fire detection systems in buildings and structures is to allow for the rapid detection of fire and accurate prediction of ensuing fire behavior. Through a-priori prediction of how a fire might ... -
Use of Slip Prediction for Learning Grasp-Stability Policies in Robotic-Grasp Simulation
(University of Waterloo, 2023-07-04)The purpose of prosthetic hands is to restore a portion of dexterity lost through upper limb amputation. However, a key capability of human grasping that is missing from most currently available prosthetic hands is the ... -
Utilization of Industrial Waste Alloy as An Alternative to Micron-Al in Energetic Applications
(University of Waterloo, 2024-01-22)Aluminum-enhanced solid propellant is one of the most commonly used propellants people have ever developed. It is cost-effective, simple to store and handle, and energetic for thrust production due to the extremely high ... -
Utilization of Predictive Analytics & Constrained Metaheuristics to Achieve Optimal Operation of a Liquid-fueled Industrial Process Heater
(University of Waterloo, 2015-05-11)The operation of industrial combustion devices to improve fuel efficiency and reduce emissions, is necessary in many respects. Increasingly stringent environmental regulations and the present volatility of the price of ... -
Vacuum Brazing of Carbon Nanotube Strands
(University of Waterloo, 2009-08-28)Carbon nanotubes (CNTs) discovered at 1991 have attracted great interest for applications in Nano-Electro-Mechanical-Systems (NEMS). However, the search for methods to join CNTs with metallic parts has been a worldwide ... -
Variable-Structure Cable-Driven Parallel Robots
(University of Waterloo, 2022-05-16)Cable-driven parallel robots (CDPR) are a special class of robotic manipulators consisting of a rigid end effector suspended, constrained, and actuated by a number of length-varying cables. Since cable mass is typically ... -
Vehicle Battery Pack Design and Considerations for Repurposing
(University of Waterloo, 2015-09-28)The market for hybrid and electric vehicles is expanding with the rise of gas prices and desires to curb climate change. With the creation of these complex systems comes the development of advanced battery systems which ... -
Vehicle Dynamic and Control of Constrained Multi-Actuation Systems at the Limits of Handling
(University of Waterloo, 2021-03-17)With recent advances in electric vehicles, having electric motors directly driving the wheels is gaining attraction. When a vehicle is equipped with four independent electric hub motors or independently controlled brakes ... -
Vehicle Lateral and Longitudinal Velocity Estimation Using Machine Learning Algorithms
(University of Waterloo, 2022-01-17)Prediction and estimation of states are of great importance for vehicle control and safety. The conventional observers are designed and used vastly in the automotive industry to fulfill this objective. However, the vehicle ... -
Vehicle Stability Control Considering the Driver-in-the-Loop
(University of Waterloo, 2016-08-04)A driver‐in‐the‐loop modeling framework is essential for a full analysis of vehicle stability systems. In theory, knowing the vehicle’s desired path (driver’s intention), the problem is reduced to a standard control ... -
Velocity scaling of high-speed turbulent boundary layer flows with wall heat transfer
(University of Waterloo, 2021-07-19)The law of the wall has been a staple in collapsing the mean velocity profiles of seemingly very different turbulent channel and boundary layer flows into one single, semi-analytical function. Accordingly, it has equipped ... -
Vibration Control in Cable Robots Using a Multi-Axis Reaction System
(University of Waterloo, 2016-09-28)The primary motivation of this thesis is to develop a control strategy for eliminating persistent vibrations in all six spatial directions of the end effector of a planar cable-driven parallel robotic manipulator. By ... -
Virtual Model Building for Multi-Axis Machine Tools Using Field Data
(University of Waterloo, 2023-01-26)Accurate machine dynamic models are the foundation of many advanced machining technologies such as virtual process planning and machine condition monitoring. Viewing recent designs of modern high-performance machine tools, ... -
Virtual Model of Power Skiving Cutting Mechanics
(University of Waterloo, 2019-04-29)Power skiving is a high-speed gear cutting operation which involves feeding a rotating cutting tool into a synchronously rotating workpiece at an angled orientation, creating a continual chip removal cutting action. It is ... -
Viscoelastic-Viscoplastic Model to Predict Creep in a Random Chopped Mat Thermoplastic Composite
(University of Waterloo, 2008-12-19)Random glass-mat thermoplastic (GMT) composites are used in automotive applications due to their mechanical properties and low processing cost. However, there is an inherent issue in that the thermoplastic matrices exhibit ... -
Vision-based Driver State Monitoring Using Deep Learning
(University of Waterloo, 2022-01-20)Road accidents cause thousands of injuries and losses of lives every year, ranking among the top lifetime odds of death causes. More than 90% of the traffic accidents are caused by human errors [1], including sight ... -
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 ... -
Visual-Inertial Odometry for 3D Pose Estimation and Scene Reconstruction using Unmanned Aerial Vehicles
(University of Waterloo, 2019-12-20)As Unmanned Aerial Vehicles (UAVs) become increasingly available, pose estimation remains critical for navigation. Pose estimation is also useful for scene reconstruction in certain surveillance applications, such as ...