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Articles 1 - 30 of 10547
Full-Text Articles in Engineering
Optimal Design Of Bacterial Carpets For Fluid Pumping, Minghao W. Rostami, Weifan Liu, Amy Buchmann, Eva Strawbridge, Longhua Zhao
Optimal Design Of Bacterial Carpets For Fluid Pumping, Minghao W. Rostami, Weifan Liu, Amy Buchmann, Eva Strawbridge, Longhua Zhao
Biology and Medicine Through Mathematics Conference
No abstract provided.
Study Of Cardiovascular Dynamics During Graded Head-Up Tilt Test In The Young With Syncope Tendency, Martin A. Miranda Sr
Study Of Cardiovascular Dynamics During Graded Head-Up Tilt Test In The Young With Syncope Tendency, Martin A. Miranda Sr
Biology and Medicine Through Mathematics Conference
No abstract provided.
Scandy: Simulating Realistic Human Scanpaths In Dynamic Real-World Scenes, Nicolas Roth, Martin Rolfs, Klaus Obermayer
Scandy: Simulating Realistic Human Scanpaths In Dynamic Real-World Scenes, Nicolas Roth, Martin Rolfs, Klaus Obermayer
MODVIS Workshop
No abstract provided.
Memristors, Memcapacitors And Their Application In Neuromorphic Computing, Nithyakalyani Sampath
Memristors, Memcapacitors And Their Application In Neuromorphic Computing, Nithyakalyani Sampath
Student Research Symposium
Data-intensive computing operations, such as training neural networks, are essential but energy-intensive. Memcapacitance and memristance,which can be described as capacitance and resistance, with “memory”, are properties of semiconductor devices that are observed on the nano-scale. These properties allow for data storage without a constant source of power, leading to hardware which is more energy efficient.
We intend to demonstrate that we can build specialized hardware onto which a neural network can be directly mapped using memristors and memcapacitors, improving the energy efficiency of the network. We will use Simulation Program with Integrated Circuit Emphasis (SPICE) to model our memcapacitor ...
Growing Reservoir Networks Using The Genetic Algorithm Deep Hyperneat, Nancy L. Mackenzie
Growing Reservoir Networks Using The Genetic Algorithm Deep Hyperneat, Nancy L. Mackenzie
Student Research Symposium
Typical Artificial Neural Networks (ANNs) have static architectures. The number of nodes and their organization must be chosen and tuned for each task. Choosing these values, or hyperparameters, is a bit of a guessing game, and optimizing must be repeated for each task. If the model is larger than necessary, this leads to more training time and computational cost. The goal of this project is to evolve networks that grow according to the task at hand. By gradually increasing the size and complexity of the network to the extent that the task requires, we will build networks that are more ...
Analysis Of Preload In Bolted Joints Under Impulse, Albert Dusseault
Analysis Of Preload In Bolted Joints Under Impulse, Albert Dusseault
Thinking Matters Symposium
From transportation to storage to construction, bolted joints are utilized everywhere. Bolted joints in closures such as pressure vessels/tanks require a preload, or a specific amount of tightening of the bolts to seal the vessel when pressurized to avoid leaking. Low preload can result in joint loosening whereas high preload can result in yielding. Therefore, finding feasible and even better optimal values of preload is of great practical importance. In an earlier work in 1996, this problem was tackled with an exponentially decaying pressure applied on a pressure vessel closure. In the present analysis, however, the pressure variation is ...
3d Printing Of Piezoelectric Materials And Devices, Dominic Polletta, Zack Myrtle
3d Printing Of Piezoelectric Materials And Devices, Dominic Polletta, Zack Myrtle
Thinking Matters Symposium
The design goal of the project is to use a stock 3D printer to 3D print materials with piezoelectric properties by adding Barium Titanate nanoparticles to the UV resin. The result of the printed material will be a device that will produce a charge when subjected to vibrations or stress. These printed devices can be used as microphones and other vibration sensors in a variety of applications. This process will be achieved by modifying the 3D printer by changing the film in the resin vat of the printer with a conductive film. This will allow for applied voltage to create ...
Autonomous Navigator Mobile Robot Upgrade, David Sansoucy
Autonomous Navigator Mobile Robot Upgrade, David Sansoucy
Thinking Matters Symposium
The mobile robot platform has been developed over the course of 10 years at USM. In Spring 2020, Belle-Isle and Werner updated the previous framework by rewriting the software to use the ROS framework running on an on-board Raspberry Pi 3. They also implemented navigation using an A* motion planning algorithm and image processing. In Summer 2021, Ames incorporated Lidar and Kinect sensors onto the robot to improve its real-time navigation capabilities. He also made improvements to the power distribution systems. This project aimed to build on the ROS frameworks developed by the previous 2 teams with the main goal ...
A Low-Cost, Arduino-Based Platform For Emulating Energy Harvesting In Wireless Sensor Networks, Braden A. Miller
A Low-Cost, Arduino-Based Platform For Emulating Energy Harvesting In Wireless Sensor Networks, Braden A. Miller
ONU Student Research Colloquium
This paper presents an Arduino-based platform for emulating energy harvesting in Wireless Sensor Networks (WSNs) as a form of hardware-in-the-loop simulation. The platform makes use of a battery monitoring circuit and code implemented on the Arduino as an alternative to using significantly more expensive fully equipped energy harvesting nodes. Using embedded code to emulate the energy harvesting process allows for various energy harvesting models and processes to be tested using the same platform. The main contributions of this paper are the experimental data and analyses demonstrating the energy use characterization of the Arduino-based platform in a three-node relay network using ...
Combat Robot, Wayne Lambert, Elijah Harris, Brian Eiseman, Jordan Meyer
Combat Robot, Wayne Lambert, Elijah Harris, Brian Eiseman, Jordan Meyer
ONU Student Research Colloquium
The senior capstone project that was tasked to the team was the decision of choosing a challenge within a national robotics competition. The group decided to compete at the National Robotics Challenge in Marion, Ohio. The idea was to participate in the combat robot competition at this NRC event. Once this decision had been made the next steps were to get an idea of what the rules and requirements of the competition were and to try and to sketch a very rough drawing of what the ideal robot should look like. From there it was decided to start a timeline ...
Evaluating The Use Of Nintendo Labo As A Rehabilitation Tool, Jacob Colwell, Logan Suiter, Amanda Wells
Evaluating The Use Of Nintendo Labo As A Rehabilitation Tool, Jacob Colwell, Logan Suiter, Amanda Wells
ONU Student Research Colloquium
Serious gaming is the practice of using video games, either commercial or specifically designed, for physical rehabilitation. Serious games have emerged in the last decade as a way to increase patient involvement in rehabilitation, increase the likelihood of patients continuing treatment after progress stalls, and generally increase mental health during treatment. However, the current literature has not kept pace with the evolution of technology and therefore the use of next-generation consoles for serious gaming is underdeveloped.
The Nintendo Switch could provide new avenues for serious gaming because of the advanced sensing ability of its controllers (Joy-Cons) and the engaging ways ...
Computational Analysis Of The Effects Of Scarfed Nozzle Variations On Jet Plumes, Andrew J. La Sorsa
Computational Analysis Of The Effects Of Scarfed Nozzle Variations On Jet Plumes, Andrew J. La Sorsa
ONU Student Research Colloquium
A computational fluid dynamics analysis investigating the variation of effects on nozzles with non-orthogonal exit planes, known as scarfing, was performed. The steady Reynolds-averaged Navier-Stokes model, coupled with the Spalart-Allmaras turbulence model, was used to simulate and compare plume development and characteristics using various scarfing geometries at variable inlet conditions. The jet plume cross-section is significantly affected for overexpanded conditions, while retaining the nozzle exit shape for underexpanded conditions, although slight peaks (bifurcation) do occur at the centerline. The same observations occur when slightly changing the angle of scarf. However, inverting the overall geometry of the diverging portion of the ...
Effects Of Vortex Generator Placement On A Horizontal Axis Wind Turbine Blade, Dagan Sorensen
Effects Of Vortex Generator Placement On A Horizontal Axis Wind Turbine Blade, Dagan Sorensen
ONU Student Research Colloquium
Vortex generators are commonly used devices to control the flow over an airfoil or other surface. In this paper the effect of differing placements of vortex generators on a wind turbine airfoil, compared to an airfoil without vortex generators, were simulated using computational fluid dynamics(CFD). It was shown that, in some instances, the application of vortex generators effectively controlled the flow over the airfoil to increase the power produced by the wind turbine. According to the CFD results, the application of vortex generators at an angle increased the lift produced, as well as delaying the separation of the boundary ...
Introducing Normal Forms To Students: A Comparison Of Theory-First Vs. Project-First Educational Approaches, Dakota C. Cookenmaster, Jacob A. Bahn
Introducing Normal Forms To Students: A Comparison Of Theory-First Vs. Project-First Educational Approaches, Dakota C. Cookenmaster, Jacob A. Bahn
Campus Research Day
One of the primary challenges instructors face when educating scientists and engineers is the introduction of important theory, both to show its essential nature in research as well as its practicality. This paper analyzes two pedagogical methods for the instruction of database normal forms. The first of these methods is a theory-based approach that relies on written works and practices to introduce the concept. The second of these focuses on a project-based approach which aligns with normal form standards as students implement a database schema. This paper compares these in a small study and advises an appropriate method for educators.
Accelerated Tensile-Tensile Fatigue Testing Of Long Fiber Thermoplastic Materials, Eric Kerr-Anderson, Sara E. Johnson
Accelerated Tensile-Tensile Fatigue Testing Of Long Fiber Thermoplastic Materials, Eric Kerr-Anderson, Sara E. Johnson
Ramaley Research Celebration
Fatigue characterization is one of the most time consuming and expensive tests that a material must undergo prior to adoption into critical industries and/or uses. Most fatigue testing is conducted by alternating between a low tensile load and a high tensile load until the material fails, which yields a cycle count to failure for a given loading scenario. Compiling a graph with multiple loading scenarios generates a failure threshold that is used to design a part for the number of loading cycles expected to witness during its service life. The studies presented attempted to determine testing methodology to reduce ...
Furniture Build Project, Zoharel Anthony Quinn, Lydia J. Velishek, Hongun Cho, Hannah Matuszak
Furniture Build Project, Zoharel Anthony Quinn, Lydia J. Velishek, Hongun Cho, Hannah Matuszak
Ramaley Research Celebration
A multi-disciplinary team was assembled to design and build composite furniture for customers across campus. The intent was to create lasting, useful items that would showcase interdepartmental work and the flexibility of composites as a design material. Students were required to discuss what image wants to be evoked by the department/entity, pitch customer with 3D printed renderings, design for aesthetics and mechanical performance, and create the furniture. Additional requirements were to incorporate 2 different manufacturing technologies and at least 3 different materials. The result of this work was the design of two items and the creation of one item.
Scooter Solutions: Side Car Companion For 50cc Motor Scooter, Melissa R. Greco, Ashton J. Miloszewicz, John C. Schumacher, Zoharel Anthony T. Quinn, Christian A. Taylor
Scooter Solutions: Side Car Companion For 50cc Motor Scooter, Melissa R. Greco, Ashton J. Miloszewicz, John C. Schumacher, Zoharel Anthony T. Quinn, Christian A. Taylor
Ramaley Research Celebration
Scooter Solutions is a composite structured chassis designed to be connected to a two-wheeled small engine vehicle for the purpose of transporting cargo and passengers. Manufactured using woven carbon fiber/epoxy panels with an XPS foam core and Aluminum 6063-T5 framing, the structure must be light for user practicality and reducing engine wear while maintaining adequate strength for the passenger load and debris deflection while exposed to the natural environment. This product is unique due to its carbon fiber reinforced foam sandwich panels with a two-part epoxy matrix allowing for a lighter, more durable side car than its contemporaries. The ...
Design Of Experiments For Drop Tower Impact And Tensile Welding Of 3d Printed Structures, Kellie L. Hardecopf, Alex Hilo, Regan G. Harvey, Tasha V. Kemna
Design Of Experiments For Drop Tower Impact And Tensile Welding Of 3d Printed Structures, Kellie L. Hardecopf, Alex Hilo, Regan G. Harvey, Tasha V. Kemna
Ramaley Research Celebration
Two studies were conducted during this EYRCM program project; Drop Tower Impact of 3D printed structures and welding studies of 3D printed structures. Most recommendations for fused deposition method (FDM) 3D printer settings revolve around the final aesthetic of the part and do not focus on the strength of the part created. FDM 3D printed parts are typically quite weak in the vertical direction and can be prone to significant damage from impacts. A design of experiments (DOE) was used to determine which settings used to print the part have the greatest effect on the final appearance and impact strength ...
Direct Numerical Simulation Of Superhydrophobic Surface Plastron Collapse, Reid Prichard
Direct Numerical Simulation Of Superhydrophobic Surface Plastron Collapse, Reid Prichard
Liberty University Research Week
Doctoral
Three Minute Thesis
The Music Bluetooth Controller: An Intersection Between Music And Technology, Lydia Wu, Eli Best
The Music Bluetooth Controller: An Intersection Between Music And Technology, Lydia Wu, Eli Best
Liberty University Research Week
Undergraduate
Three Minute Thesis
Preventing Human Trafficking With Machine Learning, Bethany Matsick
Preventing Human Trafficking With Machine Learning, Bethany Matsick
Liberty University Research Week
Doctoral
Three Minute Thesis
Design, Construction, And Implementation Of A Water Energy Collector Using Dielectric Elastomer Generators, Isaac Liu
Liberty University Research Week
Undergraduate
Three Minute Thesis
Mathematically Modeling Non-Sinusoidal Kinematics Of Linear Smat Milling, Joby Anthony Iii
Mathematically Modeling Non-Sinusoidal Kinematics Of Linear Smat Milling, Joby Anthony Iii
Liberty University Research Week
Doctoral
Three Minute Thesis
Airfoil Alternative: Magnus Effect Flettner Rotorcraft, Benjamin Cook
Airfoil Alternative: Magnus Effect Flettner Rotorcraft, Benjamin Cook
Liberty University Research Week
Undergraduate
Three Minute Thesis
Improving Lightweight Designs By Modeling Deformation Twinning In Magnesium Alloys, Daniel Kenney
Improving Lightweight Designs By Modeling Deformation Twinning In Magnesium Alloys, Daniel Kenney
Liberty University Research Week
Doctoral
Three Minute Thesis
A Smart Illicit Discharge Monitoring System, Alexander Campbell, Henry S. Armstrong, Tien Yee
A Smart Illicit Discharge Monitoring System, Alexander Campbell, Henry S. Armstrong, Tien Yee
Symposium of Student Scholars
In the present study, we attempt to use a variety of sensors to monitor illicit discharges that are present near the Kennesaw State University Marietta Campus. The US Environmental Protection Agency defines an illicit discharge as “any discharge into a storm drain system that is not composed entirely of stormwater”. Each year, approximately 860 billion gallons of sewage spills are reported throughout the country. In Georgia, sewer spills data shows that spills may range from hundreds of gallons to millions of gallons depending on the severity of the leak. The undetected sewer leaks may degrade the water quality in nearby ...
Development Of A Compliant Gripper Driven By 3 Dof Soft Robot, Derek M. Price Ii, Ricardo Ramirez, Pt Angel Tran
Development Of A Compliant Gripper Driven By 3 Dof Soft Robot, Derek M. Price Ii, Ricardo Ramirez, Pt Angel Tran
Symposium of Student Scholars
Industrial robots are moving toward automation, which makes it increasingly necessary to replace the functions traditionally performed by humans with robotics. Pick and place operation is a prime example of such automation. Robots that pick up and place objects mimic the human action of picking an object up and placing it in a targeted location. It has led to the development of robotic end-effectors that have a human-like feel. Grippers can be articulated in various ways depending on their application area and well-defined desired tasks. As compliant and soft links deflect more under the same load than their rigid body ...
Detection Of Trace Heavy Metals In Water: Development Of Electrochemical Sensors, Quang Lam, Joel Mututeke
Detection Of Trace Heavy Metals In Water: Development Of Electrochemical Sensors, Quang Lam, Joel Mututeke
Symposium of Student Scholars
The presence of heavy metals in our ecosystem poses significant ecological and physiological consequences. As a result, numerous techniques are developed for the detection of contaminants in aqueous solutions. However, early and trace detection of such contaminants still remains a challenge. Amongst many techniques, electrochemistry driven sensors have shown promise due to their possibility of miniaturization and low-cost. Our research investigates the use of electrically conducting polymer and atomically thin carbon materials as electrodes towards the development of electrochemical sensor. Nanocomposite electrode films have been synthesized and fabricated using in-situ polymerization technique and the relationship between number of cycles of ...
Fabrication Of Microfluidic Devices To Study Confined Collective Migration Of Breast Cancer Cells, Linh Luong
Fabrication Of Microfluidic Devices To Study Confined Collective Migration Of Breast Cancer Cells, Linh Luong
Symposium of Student Scholars
Cells in our body mostly exist in confined environments. They are surrounded by neighboring cells, tissues, and the extracellular matrix. The changes in these surrounding environments influence cell behaviors. Therefore, studying cell mechanics plays a significant role to understand how cancer cells migrate and what primary factors that control cancer metastasis. Many studies have been developed to study how cancer cells migrate in the body. However, these experiments in vivo are complicated and incredibly challenging. Another approach is to perform experiments in vitro instead. However, to obtain relevant results, a specific experimental apparatus must be designed to confine cells. Glass ...
Design And Computational Validation Of A Shear Stress Bioreactor For Conditioning Vascular Tissue To Time-Varying Multidirectional Fluid Shear Stress, Rajeshwari Raja, Philippe Sucosky, Jason Shar
Design And Computational Validation Of A Shear Stress Bioreactor For Conditioning Vascular Tissue To Time-Varying Multidirectional Fluid Shear Stress, Rajeshwari Raja, Philippe Sucosky, Jason Shar
Symposium of Student Scholars
Design and Computational Validation of a Shear Stress Bioreactor for Conditioning Vascular Tissue to Time-Varying Multidirectional Fluid Shear Stress
Author: Rajeshwari Raja Mentor: Dr. Jason A. Shar Department of Mechanical Engineering Kennesaw State University 1100 South Marietta Pkwy SE, 30060
Altered biological environments and conditions, such as microgravity and pregnancy, can impact vascular blood flow and, in turn, generate fluid wall shear stress (WSS; frictional force generated on the tissue surface due to blood flow) abnormalities. These abnormalities are known to affect cardiovascular tissue biology and can be replicated experimentally using a cone-and-plate shear stress bioreactor. This device exposes tissue ...