Browsing Systems Design Engineering by Supervisor "McPhee, John"
Now showing items 1-20 of 20
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Acausal Modelling of Thermal Fluid Systems with a Focus on Engine Air Path Components
(University of Waterloo, 2020-09-14)The automotive industry is rapidly developing more advanced vehicle propulsion systems, autonomous driving, emissions reduction, and improved fuel efficiency. Optimal control theory has evolved such that a system can be ... -
Combined Multibody Musculoskeletal Dynamic Modeling and Finite Element Modeling of the Human Tibia in Countermovement Jumps
(University of Waterloo, 2021-11-25)Computational models have been used to examine and estimate various motions and loading conditions of the human body that are otherwise difficult to examine experimentally. To study human musculoskeletal dynamics, biomechanical ... -
Contact Modelling for Forward Dynamics of Human Motion
(University of Waterloo, 2017-02-15)Multibody forward dynamics models of the human body are often used in predictive simulations of human motion. An important component of these models is contact modelling. For example, foot-ground contact plays a crucial ... -
Control System and Graphical User Interface Design of an Upper-Extremity Rehabilitation Robot
(University of Waterloo, 2020-12-21)Stroke is one of the leading causes of death, physical disability, and loss of brain functionality each year, especially amongst older adults. The ability to access good quality post-stroke rehabilitation exercises is ... -
Development and Comparison of 3D Dynamic Models of Golf Clubhead-Ball Impacts
(University of Waterloo, 2023-01-24)The scientific understanding and modeling of impacts has led to major advancements in golf equipment performance. The latest generation of drivers allow golfers to hit the ball farther compared to previous models. ... -
Dynamic Modeling and Parameter Identification of a Plug-in Hybrid Electric Vehicle
(University of Waterloo, 2017-09-19)In recent times, mechanical systems in an automobile are largely controlled by embedded systems, called micro-controllers. These automobiles, installed with micro-controllers, run complex embedded code to improve the ... -
Energy Regeneration and Environment Sensing for Robotic Leg Prostheses and Exoskeletons
(University of Waterloo, 2021-12-23)Robotic leg prostheses and exoskeletons can provide powered locomotor assistance to older adults and/or persons with physical disabilities. However, limitations in automated control and energy-efficient actuation have ... -
Forward Dynamic Simulation of a Golf Drive: Optimization of Golfer Biomechanics and Equipment
(University of Waterloo, 2018-01-18)Advances in golf club performance are typically based on the notion that golfer biomechanics do not change when modifications to the golf club are made. A full-swing forward dynamic golf drive model, including impact and ... -
A Human Motor Control Framework based on Muscle Synergies
(University of Waterloo, 2017-08-23)In spite of the complexities of the human musculoskeletal system, the central nervous system has the ability to orchestrate difficult motor tasks. Many researchers have tried to understand how the human nervous system ... -
Model-based Control of Upper Extremity Human-Robot Rehabilitation Systems
(University of Waterloo, 2017-12-14)Stroke rehabilitation technologies have focused on reducing treatment cost while improving effectiveness. Rehabilitation robots are generally developed for home and clinical usage to: 1) deliver repetitive and stimulating ... -
Modelling and Navigation of Autonomous Vehicles on Roundabouts
(University of Waterloo, 2021-01-08)A path following controller was proposed that allows autonomous vehicles to safely navigate roundabouts. The controller consisted of a vector field algorithm that generated velocity commands to direct a vehicle. These ... -
Muscle Torque Generator Model For A Two Degree-of-Freedom Shoulder Joint
(University of Waterloo, 2023-02-06)Muscle Torque Generators (MTGs) have been developed as an alternative to muscle-force models, reducing the complexity of muscle-force models to a single torque at the joint. Previous studies have been conducted to determine ... -
Nonlinear Model Predictive Control Reduction Strategies for Real-time Optimal Control
(University of Waterloo, 2019-04-15)This thesis presents a variety of strategies to accelerate the turnaround times (TATs) of nonlinear and hybrid model predictive controllers (MPCs). These strategies are unified by the themes of symbolic computing, nonlinear ... -
On the Design of 2D Human Pose Estimation Networks using Accelerated Neuroevolution and Novel Keypoint Representations
(University of Waterloo, 2022-05-02)Motion capture is a very useful technology that is employed across many industries. Biomechanical analysis, film production, video game development, and virtual reality are among its diverse applications. However, traditional ... -
Predictive Dynamic Simulation of Child Gait Using Direct Collocation Optimal Control
(University of Waterloo, 2021-04-30)Despite many studies in human gait analysis, human gait predictive simulation is still challenging researchers to increase the accuracy and computational efficiency for evaluative studies, including the design of wearable ... -
Predictive Dynamic Simulation of Cycling Using Olympic Cyclist and Bicycle Models
(University of Waterloo, 2018-09-04)Predictive dynamic simulation is a useful tool for analyzing human movement and optimizing performance. Such simulations do not require experimental data collection and provide the opportunity to analyze a variety of ... -
Predictive Dynamic Simulation of Healthy Sit-to-Stand Movement
(University of Waterloo, 2019-05-24)This thesis situates itself at the intersection of biomedical modelling and predictive simulation to synthesize healthy human sit-to-stand movement. While the importance of sit-to-stand to physical and social well-being ... -
Predictive Forward Dynamic Simulation of Manual Wheelchair Propulsion
(University of Waterloo, 2018-09-05)Approximately 200,000 Canadians require the use of a manual wheelchair to complete activities ranging from tasks of daily living to competing on elite sports teams. Research to understand the biomechanics of manual wheelchair ... -
Symbolic Integration of Multibody System Dynamics with Finite Element Method
(University of Waterloo, 2017-01-06)A general procedure integrating the finite element method with multibody system dynamics using symbolic computation is presented. It takes advantage of both the nodal formulation and the graph-theoretical approach, so it ... -
Vehicle Dynamic Modelling and Parameter Identification for an Autonomous Vehicle
(University of Waterloo, 2018-12-19)For autonomous vehicles to be feasible, a fast and accurate model of the vehicle dynamics is required due to the complexity of the task. There are many different aspects to a driverless vehicle, including path planning, ...