Patrick Dumond
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View article: Industrial Steel Slag Flow Data Loading Method for Deep Learning Applications
Industrial Steel Slag Flow Data Loading Method for Deep Learning Applications Open
Steel casting processes are vulnerable to financial losses due to slag flow contamination, making accurate slag flow condition detection essential. This study introduces a novel cross-domain diagnostic method using vibration data collected…
View article: Evolving Teamwork Roles and Gender Dynamics in Engineering Courses 2022-2024
Evolving Teamwork Roles and Gender Dynamics in Engineering Courses 2022-2024 Open
This work explores the teamwork experiences of undergraduate and graduate engineering students at various points in their degrees. The results of two teamwork focused questions from a multi-year survey conducted at the University of Ottawa…
View article: Integrating ChatGPT as an Academic Assistant
Integrating ChatGPT as an Academic Assistant Open
This study considers the integration of custom GPT models into undergraduate courses to support students and teaching assistants in labs, tutorials and on assignments. GPTs were trained using course material, assignment instructions and la…
View article: Selective Embedding for Deep Learning
Selective Embedding for Deep Learning Open
Deep learning has revolutionized many industries by enabling models to automatically learn complex patterns from raw data, reducing dependence on manual feature engineering. However, deep learning algorithms are sensitive to input data, an…
View article: A Comparative Analysis of Reinforcement Learning and Conventional Deep Learning Approaches for Bearing Fault Diagnosis
A Comparative Analysis of Reinforcement Learning and Conventional Deep Learning Approaches for Bearing Fault Diagnosis Open
Bearing faults in rotating machinery can lead to significant operational disruptions and maintenance costs. Modern methods for bearing fault diagnosis rely heavily on vibration analysis and machine learning techniques, which often require …
View article: Towards a Universal Vibration Analysis Dataset
Towards a Universal Vibration Analysis Dataset Open
In the realm of machine learning (ML), particularly in visual computing, ImageNet has established itself as an indispensable resource for transfer learning (TL), enabling the development of highly effective models with reduced training tim…
View article: Deep Learning Approach to Bearing and Induction Motor Fault Diagnosis via Data Fusion
Deep Learning Approach to Bearing and Induction Motor Fault Diagnosis via Data Fusion Open
Convolutional Neural Networks (CNNs) are used to evaluate accelerometer and microphone data for bearing and induction motor diagnosis. A Long Short-Term Memory (LSTM) recurrent neural network is used to combine sensor information effective…
View article: Towards a Universal Vibration Analysis Dataset: A Framework for Transfer Learning in Predictive Maintenance and Structural Health Monitoring
Towards a Universal Vibration Analysis Dataset: A Framework for Transfer Learning in Predictive Maintenance and Structural Health Monitoring Open
ImageNet has become a reputable resource for transfer learning, allowing the development of efficient ML models with reduced training time and data requirements. However, vibration analysis in predictive maintenance, structural health moni…
View article: Advancing machine fault diagnosis: A detailed examination of convolutional neural networks
Advancing machine fault diagnosis: A detailed examination of convolutional neural networks Open
The growing complexity of machinery and the increasing demand for operational efficiency and safety have driven the development of advanced fault diagnosis techniques. Among these, convolutional neural networks (CNNs) have emerged as a pow…
View article: DEVELOPMENT AND EVALUATION OF AN ANTERIORLY MOUNTED MICROPROCESSOR-CONTROLLED POWERED HIP JOINT PROSTHESIS
DEVELOPMENT AND EVALUATION OF AN ANTERIORLY MOUNTED MICROPROCESSOR-CONTROLLED POWERED HIP JOINT PROSTHESIS Open
BACKGROUND: Prosthetic solutions for individuals with hip disarticulation and hemipelvectomy amputations currently rely exclusively on passive hip joint mechanisms. Although powered knee and ankle joint prostheses have improved gait in peo…
View article: Individual and Team Work and its Effectiveness in Engineering Design Courses
Individual and Team Work and its Effectiveness in Engineering Design Courses Open
This paper seeks to correlate project grades and students survey responses with the efficiency and effectiveness of collaborative efforts, providing insights into how enhanced team dynamics translates to improved project outcomes. Through …
View article: Advancing machine fault diagnosis: a detailed examination of convolutional neural networks
Advancing machine fault diagnosis: a detailed examination of convolutional neural networks Open
The growing complexity of machinery and the increasing demand for operational efficiency and safety have driven the development of advanced fault diagnosis techniques. Among these, convolutional neural networks (CNNs) have emerged as a pow…
View article: Structured Data Ontology for AI in Industrial Asset Condition Monitoring
Structured Data Ontology for AI in Industrial Asset Condition Monitoring Open
This paper proposes an ontology for prognostics and health management (PHM) applications involving sensor networks monitoring industrial machinery. Deep learning methods show promise for the development of autonomous PHM systems but requir…
View article: Recruitment and outreach for a new multidisciplinary design program
Recruitment and outreach for a new multidisciplinary design program Open
A new three-year Bachelor of Multidisciplinary Design – Experiential Learning at the University of Ottawa was approved by the Ontario Ministry of Colleges and Universities. It will welcome its first student cohort in the Fall of 2023. The …
View article: Taking Project Planning Seriously by Removing Project Deliverable Due Dates: First Attempt
Taking Project Planning Seriously by Removing Project Deliverable Due Dates: First Attempt Open
Undergraduate design courses often include project management. However, the traditional structure of such courses, as codified in due dates, removes much of the responsibility for project management from students. To increase responsibilit…
View article: Design and prototype validation of a laterally mounted powered hip joint prothesis
Design and prototype validation of a laterally mounted powered hip joint prothesis Open
Prosthetic technology has advanced with the development of powered prostheses to enhance joint function and movement in the absence of native anatomy. However, there are no powered solutions available for hip-level amputees, and most exist…
View article: University of Ottawa constant load and speed rolling-element bearing vibration and acoustic fault signature datasets
University of Ottawa constant load and speed rolling-element bearing vibration and acoustic fault signature datasets Open
The collection and analysis of data play a critical role in detecting and diagnosing faults in bearings. However, the availability of large open-access rolling-element bearing datasets for fault diagnosis is limited. To overcome this chall…
View article: joys and challenges of creating a non-accredited multidisciplinary design program in a traditional engineering faculty
joys and challenges of creating a non-accredited multidisciplinary design program in a traditional engineering faculty Open
In January 2021, a new academic unit (School of Engineering Design and Teaching Innovation) was created in the Faculty of Engineering for the first time in over 20 years. After identifying needs in the job market for programs with a focus …
View article: Exploring Virtual Methods for Teaching Engineering Teamwork
Exploring Virtual Methods for Teaching Engineering Teamwork Open
Teamwork plays a key role in engineering due to the complexity and skill requirements of modern engineering projects. For this reason, emphasis is placed on the development of teamwork skills in most engineering education programs across C…
View article: Surrogate lower limb design for ankle-foot orthosis mechanical evaluation
Surrogate lower limb design for ankle-foot orthosis mechanical evaluation Open
Purpose This study designs and provides a pilot evaluation of a novel surrogate lower limb (SLL) that provides anatomically realistic three-dimensional (3D) foot motion, based on a literature consensus of passive lower limb motion. This SL…
View article: Exploring the Relationship between Preprocessing and Hyperparameter Tuning for Vibration-Based Machine Fault Diagnosis Using CNNs
Exploring the Relationship between Preprocessing and Hyperparameter Tuning for Vibration-Based Machine Fault Diagnosis Using CNNs Open
This paper demonstrates the differences between popular transformation-based input representations for vibration-based machine fault diagnosis. This paper highlights the dependency of different input representations on hyperparameter selec…
View article: Simplified setup for the vibration study of plates with simply-supported boundary conditions
Simplified setup for the vibration study of plates with simply-supported boundary conditions Open
The experimental study of vibrating plates having simply-supported boundary conditions can be difficult to achieve due to the complexity of preventing translation, but allowing rotation along all boundaries simultaneously. Only a few metho…