Digital Commons Network^™

Rodent Control At Kelsey See Canyon Vineyards In Creston, California, Kayla M. Kline

Agricultural Education and Communication

Just over the grade, east of Atascadero in Creston, California, there are 160-acres belonging to the Kelsey See Canyon’s estate. Of those 160-acres, roughly five are the home to Syrah, Zinfandel, and Cabernet Sauvignon grape vines. Due to the arid climate in Creston, these vines thrive. The growing conditions on this estate are ideal, except for one issue: pests. Laurie Kelsey, owner of this vineyard, has been battling a rodent infestation that is devastating this vineyard. These squirrels, voles, and pocket gophers are causing problems with irrigation in the field, burrowing through the root systems of vines, eating fruit, and …

University Ambassador Tour Structure: Applied With The College Of Agriculture, Food And Environmental Sciences, Haley Rose Warner

Agricultural Education and Communication

College campus tours are an extremely important process to making a selection for where students will attend college. In fact, it has been concluded that campus tours are the most influential part of a students’ college decision (Cohen, 2009). A campus tour allows students to experience aesthetics of the campus environment, community of campus and personal interactions (Okerson, 2016). Although students who participate in a campus tour are twice as likely to attend the university they visited, students do not always choose the university they toured, but do leave with a better understanding about the institution and what they offer …

Innovating Concrete Shell Construction, Aron J. Tezveren-Johnson, Jiamin Chen, Kenneth Lee, Ireneidalys Mata, Garrett Parkinson

Architectural Engineering

Thin-shell concrete construction formwork in the modern era is complicated and expensive. With the use of a sophisticated soil formwork construction method, this process can be simple and cost-effective. This senior project explores a new construction method as well as the performance of a finished shell structure.

Lateral Behavior Comparison Of Driven And Screw Piles In Stiff Clay, Sophie Moore

Architectural Engineering

This study is concerned with the comparison of driven and screw piles when exposed to lateral forces and the effects of gapping on stiffness and displacement. Stiffness contributions were determined from force-displacement profiles, gap depth formation curves, strain profiles, bending moment profiles, and P-Y curves. Driven piles were found to be about twice as stiff as screw piles at lower displacements. At larger displacements, the stiffness of the two pile types start to converge. When the piles are in full contact with the soil, stiffness contribution is derived from both the soil and the pile. When gapping is exhibited, the …

Poly Canyon Entryway Redesign, Antonio Emiliano Baldazo

Architectural Engineering

Persistence of Vision investigates the relationship between past, present, and future perceptions of place in the Poly Canyon area. Persistence of Vision takes up the Cal Poly mantra of “learn by doing,” and explores its pedagogical value by engaging with theory, design, engineering and implementation. This project is manifest in the form of a series of signs in the so-called “architectural graveyard” area; with an eye towards changing the name, perceptions, and narratives about this place. This project hopes to create a recognition within the minds of students that this place is, and was intended to be, a place for …

Asyv Women's Cooperative And Opportunity Center, Tia Justine Wright Deharpport, Tatyana Markovna Wohlfarth

Architectural Engineering

Journeyman International is a non-profit company that coordinates the design and construction of humanitarian projects between architecture, architectural engineering, and construction management students in order to build impactful projects in developing nations at a minimal cost. One of these projects is Kwitunga: a Women’s Cooperative and Opportunity Center in the Eastern Province of Rwanda. This project consists of four buildings that create a space for women to design, create, and sell clothing items, harvest tropical fruits, socialize, and provide a safe space for their children. The project team consists of four students from California Polytechnic State University in San Luis …

Structural Calculations For A Medical Clinic In The Dominican Republic With Mission Twentyfive35, Erica Marie Croft, Thomas H. Sidebottom

Architectural Engineering

Located in the northern region of the Dominican Republic, Rural Resilience is a clinic situated on a vocational campus in the rural town of Via Tapia. In collaboration with the Amoveo Group, Mission TwentyFive35 initiated the design and construction of this vocational campus to address the community’s limited access to healthcare and education, clean water, food, and the lack of vocational job training. Planned to be completed in several phases, this campus aims as a means to solve these shortcomings. This project provides the structural calculations and drawings for the clinic within Mission TwentyFive35’s campus. In coordination with the non …

Structural Analysis Of The High Bay Steel Reaction Frames, Jerry Hue Truong Luong, Garrett Michael Brown

Architectural Engineering

No abstract provided.

Poly Canyon Observation Deck, Sitora Vaxidova, Emir Kuljancic

Architectural Engineering

Poly Canyon Observation Platform is a proposed CM/ARCE interdisciplinary senior project with a goal of providing an observation point/rest stop for hikers and bikers. The platform has a shaded cover and seating area overlooking Poly Canyon for a rewarding experience after a long trek out to the lookout point.

Mt. Carmel Entrance Canopy, Kyle N. Chase, Ricardo Gustavson, Max Snook, Jiaming Liu

Architectural Engineering

The Mt Carmel Entrance Canopy project consists of the architectural and structural design of a new entrance canopy for the Mt Carmel Church. In addition it includes construction shop drawings and a break down of the construction process. Key aspects of the report include the architectural design, structural design, interaction with the client, interaction with manufactures, and the construction process.

Structural Design For School Administration Block In Zimbabwe, Serina Zepeda

Architectural Engineering

No abstract provided.

Heavy Timber Buckling-Restrained Brace Frame, Gideon Baum

Architectural Engineering

No abstract provided.

Modular House Restoration, Abby M. Lentz, Michael L. Blanchard

Architectural Engineering

The aim of this senior project is to help restore the vitality of Poly Canyon by continuing the renovation of the Modular House. The Modular house was originally built in 1969 as living quarters for caretakers of Poly Canyon. The two-story structure was built as a series of 8 foot (ft.) by 8 ft. wall, floor and ceiling frames in a 2x3 bay floor plan. The 8 ft squares were filled with 2 standard sized 4 ft. by 8 ft. plywood sheets. Since its original construction, triangular expansions have been added to the floor plan of the original layout. Also, …

Karambo Micro-Industrial Complex Structural Design, Sophia E. Abshire, Stella M. Bates

Architectural Engineering

The Karambo Micro-Industrial Complex consists of 3 buildings located approximately 3.5 m above and 50 m away from the Karambo River in the Rubavu District of Western Rwanda. Each building will be constructed of concrete framework, confined masonry walls and steel trusses. The purpose of these buildings will be to serve as a classroom, library, an dd industrial work space to empower the citizens of this village. The purpose of this project was to provide a complete structural design. In this report you will find a description of the project and structural design as well as a complete structural calculation …

Proposal For An Advanced Structural Elective Pertaining To Fire Protection, Avery James Kwong, Taylor Sanchez, Lindsey Macdonald, Alvaro Gonzalez

Architectural Engineering

ARCE 401 Fire Protection is a class that will finally give ARCE students an introduction to fire-resilience and its major importance in the structural and planning spheres. The class would have a structural emphasis along with interdisciplinary qualities, unlike the graduate classes offered in the CE and ME departments. ARCE 401 covers a broad spectrum of topics and is meant to bring ARCE students closer to a comprehensive understanding of the overall work environment.

From Blog To Business: A Cycling Content Transition, Sean Michael Bird

Journalism

The following research project discusses the transition from blog to business, when considering the shift for a platform that offers cycling content. Within the cycling industry, there are a vast array of cyclists, ranging from competitive cyclists to casual, lifestyle riders. Additionally, platforms exist for content production and businesses offer custom products; however, this divide is rarely bridged.

From a content perspective, this research project focuses on storytelling for brand promotion, storytelling for personal branding, and storytelling for social interaction. Within the cycling industry, unique content that focuses on people, places, and adventure fares well. For Everjourney, offerings include features, …

The Effects Of Organizational Philanthropic Movements And Related Public Relations Strategies, Gabriella C. Trapani

Journalism

The following is a comprehensive public relations campaign created after extensive research on public relations efforts and corporate social responsibility. The study is mainly focused on establishing the relationship, if any, between a company’s philanthropic efforts and their profits. The study seeks to answer questions such as “Is the return on investment for philanthropic giving worth it?” and “How might this impact company morale?” With a focus on measuring the success of a philanthropic campaign created for Sereno Group Real Estate company, a small to midsize residential real estate company in the Silicon Valley, this study serves as a basis …

Anxiety Rates In Cal Poly Students: Short Documentary And Literature Review On Prevalence, Causes And Treatment, Anabelle M. Carpenter

Journalism

Anxiety is a leading mental health disorder at California Polytechnic State University, San Luis Obispo. Over 50% of students who visit the counseling reported feeling anxiety, and 14.8% of students met the diagnostic criteria for anxiety disorder during the 2016-2017 school year. Nationally, anxiety rates among college students have increased almost 16% from 2007- 2017 (LeViness, Bershad & Gorman, 2017). This project is comprised of two parts: a short, documentary style video on anxiety at Cal Poly, as well as a literature review. The video is a series of interviews from Cal Poly students who suffer from anxiety, and a …

Autonomous Navigation And Mapping Using Lidar, Steven E. Alsalamy, Ben C. Foo, Garrett C. Frels

Computer Engineering

The goal of this project was to make a fully autonomous robot, capable of mapping its surroundings and navigating through obstacles. This was done through the use of a chassis fitted with tracks and two motors, a lidar, a compass, and a Raspberry Pi. The robot also contains two batteries and is self powered. Encoders are used on the motors in order to track the distance traveled for more precise mapping and movements.

Darling, Robot For Roborodentia 2018, Michael Le, Steven Liu

Computer Engineering

For our senior project, our group decided to build a robot to participate in Roborodentia 2018, an annual robotics competition overlooked by Professor Seng that takes place during open house. When taking into consideration the classes that Computer Engineering students had to have taken and the skills that we have developed throughout our time here on campus, a robotics project seemed to be an appropriate culmination of both the technical and non-technical skills that we have acquired.

Dynamic Video Streaming For Nano Quadcopters, Shane Daniel Kent, Ryan Weideman, Nicholas Kimball

Computer Engineering

The objective of this project was to develop a system that streams real-time video from a Crazyflie 2.0 nano quadcopter. We discuss the motivation behind the project including applications to swarm robotics and computer vision research. We highlight the initial research and design goals that guided the development of the system such as hardware selection and system specifications. We detail the software and hardware subsystems that we implemented including the video-streaming board, firmware, and video-streaming user application. We examine the performance of the final system and discuss the limitations imposed by the hardware. We conclude by describing future work that …

Arm Mke1xf Mcu Replatform, Nathan Hong, Derek Lung, Japsimran Singh, Bevin Tang

Computer Engineering

After Cal Poly Racing’s electrical team began to hit the technical limits of the ADC and other I/O features of the current 8-bit Atmel AT90 microcontroller unit, it became clear that an upgrade was due. This replatforming project takes the functionalities of the old, 8-bit architecture, and aims to provide a 32-bit version using the ARM MKE1xF MCU. With the idea of having a working PCB as a stretch goal, the scope of the library development was limited to enable base functionality. Thus, the only libraries developed were for the Timer, ADC, SPI, UART, and CAN. Additionally, this document discusses …

The Effects Of Varying Composition And Build Direction On Direct Metal Deposition Fabricated Inconel 718, Abigail P. Nilan, Jessica M. Fordham

Materials Engineering

Inconel 718 (IN718) is a popular wrought superalloy, and is currently being investigated for additive manufacturing (AM) applications in the aerospace industry. However, overaging and the presence of microcracks have caused a significant reduction in properties. The purpose of this study is to meet or exceed the mechanical properties of wrought IN718 by varying the composition and build direction of the AM alloy. Alternative compositions were selected with Oerlilon Metco’s Rapid Alloy Development (RAD) software, and differ in niobium content, which increases the fraction of the primary strengthening phase (γʺ). Direct metal deposition (DMD) was used to fabricate the samples, …

Roborodentia, Bryan D. Hendricks

Computer Engineering

This project is an autonomous robot, designed to perform a series of basic tasks without any human input. It’s based on the 2018 Roborodentia competition, in which teams of students design and build a small (roughly 1 square foot) robot that collects small foam spheres from vertical tubes on the edges of a table-sized arena, and shoot them into goals across the field. The more foam spheres the robot makes into the goals after a 3 minute time period, the more points they get. The challenge is doing so autonomously, without any human input after the initial timer for the …

Eventsquad Ios Mobile App, Rachel Lee, David Lim, Jed Chen

Computer Engineering

EventSquad is an event planning mobile application designed to help individuals plan for upcoming events. EventSquad allows users to seamlessly create an event and invite other users to help plan for an event. Everyone that is planning for an event should know all the details of the event; EventSquad allows all users planning for an event to know all the details involved with planning for the event so that things could go smoothly. We believe that planning for events should not be stressful and tedious but exciting and enjoyable!

Otd 360 Corsa Plate And Pcb Recreation, Patrick Ryan Malapira

Computer Engineering

Mechanical keyboards have a rich history alongside the development of personal computers with keyboards from leading manufacturers such as IBM and Apple, which are sought after by today’s enthusiast. As the hobby matured and hobbyist began straying from original equipment manufacturer, OEM, mechanical keyboards, enthusiasts sought to create their own keyboards.The custom mechanical keyboard hobby’s origins can be traced back to Korea on an online forum otd.kr. Custom mechanical keyboards has progressed far past the provided OEM solutions focusing on various aspects such as ergonomics, programmability, and portability. In today’s do it yourself, DIY, culture, hobbyists can play a role …

Lionfish Detection System, Carmelo Furlan, Andrew Boniface

Computer Engineering

Deep neural networks have proven to be an effective method in classification of images. The ability to recognize objects has opened the door for many new systems which use image classification to solve challenging problems where conventional image classification would be inadequate. We trained a large, deep convolutional neural network to identify lionfish from other species that might be found in the same habitats. Google’s Inception framework served as a powerful platform for our fish recognition system. By using transfer learning, we were able to obtain exceptional results for the classification of different species of fish. The convolutional neural network …

Development Of Test Methods For Measuring Fiber Misalignment And Warping In Honeycomb-Core Composite Panels, Wyatt Taylor, Haripriya Nilakantan

Materials Engineering

Zodiac Aerospace manufactures honeycomb-core composite panels to be used in aircraft cabin interior components. During the manufacturing process, some panels become warped such that they cannot be used for their designated aircraft cabin components. As a result, these panels are scrapped because they cannot be recycled. About 44 to 90% of panels become warped during manufacturing. Warping is caused by many factors, including layer misalignment, processing parameters such as temperature and pressure gradients, and fiber misalignment in the prepregs. Currently, Zodiac does not have any data on the effect of fiber misalignment on panel warpage, so a testing protocol was …

Roborodentia Final Report, Trevor James Gesell, Zeph Colby Nord, Mitchell Tyler Myjak

Computer Engineering

The Senior Project consisted of competing in Roborodentia, a competition in which groups build robots to complete a particular task. This event took place at the Cal Poly Open House on Saturday, April 12th, 2018. For the competition, the robot was to collect Nerf balls from supply tubes raised approximately 7” from the board and shoot them into nets placed along the opposite side of the course. The design, manufacture, and testing of the robot began the first week of Cal Poly winter quarter and lasted until the day of the competition.

Heat Treatment Control Of Residual Stress And Microstructure Of 3d-Printed 316l Stainless Steel, Hajime Yamanaka, Katherine Adelman, Kent Nakano

Materials Engineering

One of the major drawbacks of selective laser melting (SLM) as a form additive manufacturing is that it produces parts with severe residual stress that leads to poor mechanical performance due to the thermal cycling of the printing process. In this project, two different heat treatments (high temperature annealing and low temperature annealing) are applied to 316L stainless steel subsized tensile bars fabricated by SLM process to minimize the amount of residual stress in the samples. Residual stress is indirectly measured by X-ray diffraction (XRD), as well as microscopic analysis, hardness testing, and tensile testing are applied to characterize the …