Digital Commons Network^™

2021/2022 Robert E. Kennedy Library Annual Report, Robert E. Kennedy Library

Library Publications and Administrative Reports

This year’s stories highlight successes and transformations, which will remain woven into the fabric of our organization. Instituting contactless pick-up for library materials is an example of learning how to quickly bring together people to solve immediate problems. We also became more effective at engaging with our constituencies. We reached more users through virtual consultations and online reference assistance and helped them get access to the expertise and materials they needed. We opened access to special collections through on-demand digitization. We broke barriers in the adoption of digital resources for teaching. And we began the challenging work of developing a …

A Cradle-To-Gate Life Cycle Assessment Of American Hops In The Craft Beer Supply Chain, Carson Bristol

Master of Science in Environmental Sciences and Management Projects

The hop industry represents a culturally and economically significant industry in the United States due to the product’s significant role in the beer industry, but little is known about the environmental impacts associated with hop production. There exists a significant lack of specific research quantifying the emissions contribution of hop production, and the work that has been done lacks consensus in the scientific community. In an effort to overcome this, this study conducts a cradle-to-gate life cycle assessment (LCA) of aroma hop production broken into four phases, beginning with propagation of seedlings by tissue culture and ending with packaged T-90 …

Let It Burn: A Case Study On The Risk Management Practices Of Burning Man Project, Ethan S. De La Torre

Experience Industry Management

Risk management can be defined as a decision-making process of planning, identifying, analyzing, developing a response for, and controlling potential risks with the goal of minimizing the negative impacts of those risks. Risk management is an essential practice for all events, especially large-scale, live entertainment events. The purpose of this study was to examine the risk management practices for Burning Man. The instrument utilized in this study was a best practices guide developed by the researcher. Data were collected prior to, during, and following Burning Man 2022: Waking Dreams. Sources of data include printed material and online sources published by …

Immerse, Interact, Impact: A Comparative Analysis On Selected Experiential Marketing Activations At Outside Lands Music And Arts Festival 2022, Phoebe R. Saul

Experience Industry Management

The commercial marketplace is becoming increasingly experiential. Experiential marketing activations, particularly those done at music festivals, are emerging as a highly valuable marketing tool to impact brand recognition and loyalty through the creation of unique branded experiences. The purpose of this study was to examine the experiential marketing design practices utilized at selected branded activations within Outside Lands Music and Arts Festival 2022. A comparative analysis was conducted on three selected experiential marketing activations at Outside Lands: The House by Heineken, the Music Den by Toyota, and the Ocean Love Tour by Gray Whale Gin. The findings concluded that the …

Amplifying Southern Charm: A Case Study On Visit Music City’S Digital Media Practices, Susanna Cleary Honggui Hoffman

Experience Industry Management

Digital marketing has become a vital player for companies, especially destination marketing organizations (DMOs), by helping them grow and expand their brand image. Digital marketing includes email, social media, and search-engine marketing. The purpose of this study was to examine Visit Music City’s (Nashville’s DMO) digital media marketing tactics. Nashville Convention & Visitors Corp (NCVC) is the company that is behind the brand Visit Music City. The research was conducted utilizing information from NCVC’s website and social media platforms (Facebook, Instagram, Pinterest, Twitter, TripAdvisor, and YouTube). Visit Music City sends a weekly newsletter called Amplify, they have a strong social …

The Ins And Outs Of Undergraduate Research And Leadership: A Student's Perspective, Regina F. Hockert

Kinesiology and Public Health

This manuscript is a reflective write-up of Regina Hockert’s experience in completing KINE 462, Honors Kinesiology Senior Project, during the 2022 Fall Quarter. It describes their experience as an undergraduate research leader, including specific milestones and artifacts related to a broader replication study and the daily activities of Dr. Jafrā Thomas’ lab. This essay was designed to be a written reflection around their senior project presentation and the insights shared through that medium about the senior project experience. It is created to showcase lessons learned in relationship with the tasks and responsibilities required of working in-depth on student-led research. …

Assessing The Effectiveness Of Climate Change Science Communication In An Online Carbon Footprint Assessment, Jack Dimmock

Master of Science in Environmental Sciences and Management Projects

Climate change literacy and knowledge are influential in enabling people to take climate change mitigation and adaptation actions. Education about climate change usually takes place through two avenues, formal education and informal institutions, such as museums, television shows, and websites. To help residents reduce their household greenhouse gas emissions and adapt to the local impacts of climate change, the San Luis Obispo Climate Coalition is using the carbon footprint website Bright Action (https://resilientslo.org). Bright Action calculates household carbon footprints, suggests ways to reduce carbon footprints, and provides educational material about climate change mitigation and adaptation. This study seeks to assess …

Smartphone Detector, Ryan Coldiron

Electrical Engineering

There is a wide variety of times when it is unacceptable to be using a smartphone, and this device could help to minimize when people are using their devices. People have become more and more reliant on their various pieces of technology such as their smartphones, and are often using them when they should be paying attention in class, attending an important meeting, watching a movie, or should just be present to their other surroundings. A device that could detect the use of smartphones at these inopportune times would be something that would benefit a wide variety of people.

The …

Battery Energy Storage System, Carlos Gonzalez, Philip Tafoya, Mariely Caraballo, William Hoang

Electrical Engineering

The Battery Energy Storage System (BESS) project consists of bringing an existing photovoltaic battery energy storage system into service within Cal Poly’s Energy Conversion Lab. Information regarding the BESS is limited to the existing manuals as the original equipment manufacturer has ceased supporting the product in the United States. Results from previous projects on the BESS speculated that a DC input may be required to enable the system’s to be fully operational. The goal of the project is to provide a DC input into BESS and test the system’s functionality. Initially, a Photovoltaic Thevenin Equivalent was expected to be utilized …

Diy Cell Incubator, Hayden James Jeanor

Electrical Engineering

The purpose of creating a cell Incubator is for the development of cell and tissue production in laboratory settings. Large scale research projects and the medical community grow cells for various reasons, including experiments and creating tissue for patients. However, they cannot simply depend on growing cells in a petri dish that sit on a rack at room temperature. To grow heathy cells in the fastest way possible, they use cell incubators. Cell incubators create an atmosphere within the incubation bay that is designed to promote cell growth. The three main components that need to be constantly regulated, using a …

Fridge/Freezer Temperature And Power Wireless Alert System, Peter M. Nelson

Electrical Engineering

In this document is a design, build, and application of a new system to help reduce the problem of lost or tainted samples and experiments held in fridges and freezers.

Guitar Note Analyzer - Picking Patterns & Scales, Tamara Lynn Houalla

Electrical Engineering

The Guitar Note Analyzer helps beginner-to-intermediate guitar players advance their playing skills. The project detects the successive picks of guitar strings in real time at a rate of two notes per second. The device detects the frequency of notes played within the range of 50Hz – 1.5KHz. The hardware – microphone sensor, amplification circuitry, and microcontroller - is secured inside the sound hole of the user’s guitar. The hardware extends out of the guitar and connects to the user’s laptop via a USB cable. This allows relevant information to be displayed live to the user on their monitor, and to …

Using Sustainable Web Design Practices: Website Redesign For The Climatemusic Project, Charlotte M. Saunders

Graphic Communication

Sustainable practices go beyond reducing, reusing, and recycling in the physical world. In the digital world, design has a high environmental impact, so the choices designers make can eat up electricity and raise their carbon footprint. Therefore, designing low-carbon sites through UX, imagery, and color, and using a sustainability host is very beneficial for both usability and the environment. The ClimateMusic Project is a non-profit organization that aims to raise climate change awareness through music. This organization seeks to reduce their carbon footprint as well as help raise awareness through their Take Action web page. For my senior project I …

Project Management And Systems Engineering Framework For Educational Cubesat Missions, Bailey Garrett

Master's Theses

The rising complexity of CubeSat missions and the unique challenges faced by educational CubeSat programs lead to high rates of mission failure. Implementing project management and systems engineering practices can alleviate these challenges and improve mission success rates for educational CubeSat developers. However, existing project management and systems engineering resources are too cumbersome and often assume the student has a base-level understanding of project management and systems engineering fundamentals. A new universal project management and systems engineering framework was created and tailored specifically to the needs of an educational CubeSat mission. The framework was designed to accommodate first-time CubeSat developers, …

Identifying And Minimizing Underspecification In Breast Cancer Subtyping, Jonathan Cheuk-Kiu Tang

Master's Theses

In the realm of biomedical technology, both accuracy and consistency are crucial to the development and deployment of these tools. While accuracy is easy to measure, consistency metrics are not so simple to measure, especially in the scope of biomedicine where prediction consistency can be difficult to achieve. Typically, biomedical datasets contain a significantly larger amount of features compared to the amount of samples, which goes against ordinary data mining practices. As a result, predictive models may fail to find valid pathways for prediction during training on such datasets. This concept is known as underspecification.

Underspecification has been more accepted …

A Design Of A Digital Lockout Tagout System With Machine Learning, Brandon H. Chen

Master's Theses

Lockout Tagout (LOTO) is a safety procedure instated by the Occupational Safety and Health Administration (OSHA) when doing maintenance on dangerous machinery and hazardous power sources. In this procedure, authorized workers shut off the machinery and use physical locks and tags to prevent operation during maintenance. LOTO has been the industry standard for 32 years since it was instantiated, being used in many different industries such as industrial work, mining, and agriculture. However, LOTO is not without its issues. The LOTO procedure requires employees to be trained and is prone to human error. As well, there is a clash between …

Design Of A System To Investigate The Relationship Between Feedback And Delivery Medium For A Novel Motor Task, Ashley Humpal

Master's Theses

Stroke is a chronic, lifelong illness, and full recovery requires continuous physical and cognitive rehabilitation. Such long-term rehabilitation is cost-prohibitive; however an approach to providing long-term therapy that has recently gained traction is the use of socially assistive agent (SAA) systems. These systems make use of non-contact communication devices and can be used to guide people through a variety of rehabilitative tasks. They have the potential supplement current rehabilitation practices by providing motivation during intense exercises, and can extend the reach of the therapist into remote and home settings.

Though SAA systems have been used in a variety of rehabilitative …

Effects Of Atomic Oxygen On Outgassing Of Silicone Materials, Samuel Westrick

Master's Theses

An important consideration for spacecraft material selection is the space environment that the spacecraft will be operating in. Two features of the space environment that drive material selection are material outgassing and the presence of atomic oxygen in low Earth orbit (LEO). Materials that are considered for use in space are tested to be able to understand how they’ll outgas on orbit and how they’ll respond to interactions with atomic oxygen. However, testing to understand how atomic oxygen interaction with a material will affect how the material will outgas is rare and not standardized. This thesis used a vacuum chamber …

A Study On The Effects Of Cementless Total Knee Arthroscopy Implants' Surface Morphology With Finite Element Analysis, Peter Hunt

Master's Theses

Total knee arthroscopy is one of the most performed and most successful orthopedic surgeries, with nearly a million procedures performed in 2020 in the United States alone. Due to changing patient demographics, the use of cementless fixation for implant stability is becoming more prevalent amongst recipients. Cementless implants rely on the surface morphology of a porous coating to bond implant to bone; the quality of this bond is dependent on an interference fit and the roughness, or coefficient of friction, between implant and bone. Stress shielding is a comparison of the properties in implanted bone to natural bone; it is …

Biodegradation Of Methyl Tert-Butyl Ether And Tert-Butyl Alcohol Using Bioaugmentation With Biowish® Aqua, Elizabeth Villanueva

Master's Theses

Aqua, a commercial product manufactured by BiOWiSH® Technologies, was utilized in this research to study its effectiveness to biodegrade methyl tert-butyl ether (MTBE) and tert-butyl alcohol (TBA). Microcosms containing varying concentrations of MTBE and TBA as well as a growth media and mineral salt solution were examined. Analytical instrumentation used in this study included the use of a gas chromatograph-mass spectrometer (GC/MS) to determine concentrations of MTBE and TBA and a spectrophotometer to extrapolate approximate active biomass concentrations in each experiment. Four different environmental conditions were tested for both MTBE and TBA. The environmental conditions tested for each contaminant included: …

Use Of Precious Plastic Method Of Bricks For The Construction Of Tiny Homes, Haylie E. Tallon

Architectural Engineering

Precious Plastics, a Netherlands based company, created an open source project that can be used to create different objects from recycled plastics. The San Luis Obispo area has a large amount of recyclable plastic that is being treated as trash, adding to the pollution of the ocean and the air. This project is to determine the necessary steps to create plastic building blocks, using the Precious Plastic process, as a construction material for low-income, temporary housing. This report covers the process that was used to build two of the machines that will be used to create the bricks. This requires …

Building Structures From Mycelium, Noah M. Brown

Physics

The purpose of this project was to develop a method for creating bricks from mycelium and agricultural waste. The bulk of the research happened in two parts, the first part being a period in which different substrates, strains, and methods were used build the bricks. This research took place in San Luis Obispo and was aided by a group of students in PSC392 under Dr. Pete Schwartz in early 2022. After developing a method for constructing these bricks, the research was moved to St. Thomas, Jamaica, in collaboration with an ecovillage called The Source Farm from July to September. The …

Sam's Story, Anna Michelle Reid, Jennifer Vazquez

Computer Science and Software Engineering

We are exploring presenting mental health topics in video games through the eyes of an axolotl named Sam. Sam goes about his day to day life facing many difficult challenges regarding their mental health. This is an educational game to inform about different mental health symptoms and what they may look like.

Callaway Measurement Device, Andre S. Fisher, Roman Hays, Blake Sousa, Grant Gabrielson

Mechanical Engineering

The purpose of this document is to illustrate the Callaway Measurement Device senior project from start to finish. The challenge given to the team was to update and improve a gauge used by Callaway employees to measure the loft, lie, and face angle of their full spectrum of golf clubs. Once the team understood how the pre-existing gauge operates, the team conducted background research into other technologies that could improve the gauge. The team decided to digitalize the device amongst other tweaks to reduce error. Because the CAD files were not available for the pre-existing device, the team began reverse …

Gasifier Wall Wash Manifold, Ashley Sieu Che, Gintaras Julius Baipsys, Peyton Joseph Archibald, Michael Thomas Kieran

Mechanical Engineering

The objective of our Gasifier Wall Wash Manifold Project is to design three different manifolds that will uniformly distribute water on the inner diameter of a pressure vessel. Also, the distributed water should completely cover the circumference of the inner walls. From extensive research of current solutions as well as the conduction of technical analyses, we were able to produce three designs that would be able to meet our engineering specifications. Time constraints led to the fabrication of one manifold design along with a test rig. With a fully functional test rig, we saw positive results from our design verification …

Locking Solar Tracking Bushing, Benjamin James Reed, Andrew Donald Maas, Angel Navarro-Iniguez, John Vincent Bruner

Mechanical Engineering

The contents of this final design review (FDR) outline the progress made by a team of four mechanical engineering students at California Polytechnic State University, San Luis Obispo to solve the problem of torsional galloping in solar tracker panels since the preliminary design review. The project proposed by the sponsor, Christian Friedrich, on behalf of ARaymond is a design for a friction based braking system integrated into a redesigned bushing.

The CDR contains details about the system design, the design justification, the manufacturing plan, and design verification plan. In the system design section, the four manufacturing subsystems (bushing mount, actuation, …

Novel Hitch Cargo Cart, Cesilio Sanchez Ramirez, Lance Haidet, Richard Lontoc, Tyler Selinka

Mechanical Engineering

This document presents the engineering design process used to develop, manufacture, and test a new and improved iteration of a hitch cart prototype. This process was performed by a team of four mechanical engineering seniors as part of California Polytechnic State University, San Luis Obispo’s senior design pathway. The goal of this project was to develop a sturdy and reliable iteration of our sponsor’s hitch cart prototype, that integrated the functionality of a vehicle hitch cargo platform and that of a height adjustable cargo cart into a single streamlined and easy to use product. This design could be used by …

Wildfire Spread Prediction Using Attention Mechanisms In U-Net, Kamen Haresh Shah, Kamen Haresh Shah

Master's Theses

An investigation into using attention mechanisms for better feature extraction in wildfire spread prediction models. This research examines the U-net architecture to achieve image segmentation, a process that partitions images by classifying pixels into one of two classes. The deep learning models explored in this research integrate modern deep learning architectures, and techniques used to optimize them. The models are trained on 12 distinct observational variables derived from the Google Earth Engine catalog. Evaluation is conducted with accuracy, Dice coefficient score, ROC-AUC, and F1-score. This research concludes that when augmenting U-net with attention mechanisms, the attention component improves feature suppression …

Ectotherm Thermoregulation At Fine Scales: Novel Methods Reveal A Link Between The Spatial Distribution Of Temperature And Habitat Quality, Ian Axsom

Master's Theses

Investigating ecological questions at the scale of individual organisms is necessary to understand and predict the biological consequences of environmental conditions. For small organisms this can be challenging because we need tools with the appropriate accuracy and resolution to record and quantify their ecological interactions. Unfortunately, many of our existing tools are only appropriate for medium to large organisms or those that are wide ranging, inhibiting our ability to investigate the ecology of small organisms at fine scales.

In Chapter 1, I tested a novel workflow for recording animal movements at very fine spatial and temporal scales. The workflow combined …

Brand Credibility Through Web Design, Catherine Clode

Graphic Communication

Websites act as a first impression of a company that users use to judge and form opinions on. Therefore, it is crucial to implement an appealing design with straightforward navigation. However, for small businesses or freelancers, good web design is hard to achieve without a web designer. Small businesses rely heavily on e-commerce and digital advertising but are more likely to lack the resource and knowledge to develop a good website. Cristina Ruales Co is a personal brand belonging to an independent designer who uses her website to market and sell her products and services. The current brand website is …