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Articles 1 - 30 of 43
Full-Text Articles in Engineering
Aeroponic/Hydroponic Growth Module, Sean Marrs, Joshua Moreno
Aeroponic/Hydroponic Growth Module, Sean Marrs, Joshua Moreno
Mechanical Engineering
No abstract provided.
Multi-Axis Tripod Locking Mechanism, Glenn Carros, Hannah Gause, Matthew Theiss
Multi-Axis Tripod Locking Mechanism, Glenn Carros, Hannah Gause, Matthew Theiss
Mechanical Engineering
No abstract provided.
Cal Poly India Project, Derek Babine, Austen Hibler, Alex Hernandez
Cal Poly India Project, Derek Babine, Austen Hibler, Alex Hernandez
Mechanical Engineering
This report documents the research, ideation, and development of a solution, implemented by the Cal Poly India Sanitation Team per the request of Mr. Harish Bhutani, to solve the problem of hazardous human waste management in poor villages in India. The sponsor envisioned a universal design that would give each household in those villages access to a private toilet system because the current solution is open defecation in water sources and farming fields. The initial constraints required the project be low cost, not use of electricity or water, have the ability to cater to an 8-10 person household, and be …
Machine Shop Learning Kits, Samantha Kelley, Ellen Chambers
Machine Shop Learning Kits, Samantha Kelley, Ellen Chambers
Mechanical Engineering
Currently in the Cal Poly Machine shops, students are struggling to find ways to fulfill the 10 hours of shop experience required to gain their Yellow Tag certification. Red Tag is the first level of certification students generally achieve their freshman year. It allows them to use basic machine tools such as drills, shears, benders, etc. Then after completing 10 hours of shop experience they can take the Yellow Tag test, which gains them access to use a welder, mill, and lathe. The heads of the machine shop, the shop technicians, and the mechanical engineering students will all have different …
Compression Tester Shop Press, Colby Johnson, Brett Russon, Taylor Vandenhoek
Compression Tester Shop Press, Colby Johnson, Brett Russon, Taylor Vandenhoek
Mechanical Engineering
A piece of machinery designed to carry out compression and bending tests on building materials constructed by the Center for Vocational Building Technologies (CVBT) in Isarn, Thailand.
Semi-Automated Glass Mat Splice Operation For Asphalt Shingle Line, Justin Bracci, Harry Zhao, Chad Linafelter
Semi-Automated Glass Mat Splice Operation For Asphalt Shingle Line, Justin Bracci, Harry Zhao, Chad Linafelter
Mechanical Engineering
The following report details the senior project sponsored by GAF Materials Corporation, Shafter, CA in regards to semi-automating a glass-mat splicing table for asphalt roofing shingle production. Herein includes details, research, design, and analysis regarding the semi-automation of the gluing processes for the splicing table. A working prototype was manufactured and tested for the future implementation onto GAF’s production line or further senior project involvement.
Farmbot, James Cruz, Scott Herrington, Bryan Rodriguez
Farmbot, James Cruz, Scott Herrington, Bryan Rodriguez
Mechanical Engineering
The purpose of this project was to develop the hardware for the current Farmbot to perform its primary functions, and to create a template for a system that would be adaptable for future users and developers. The scope of the project included creating a universal tool mount, a seeding system, and a watering and nutrient mixing system. This project was brought to the students by sponsor Rory Aronson, the creator of Farmbot. The Cal Poly Farmbot team was able to go through an extensive brainstorming and iterative process for each part, where testing was able to be incorporated immediately due …
Cold Roll Extrusion Machine Redesign Final Design Report, Foja Bains, Bryan Cyr, David Van Schooten
Cold Roll Extrusion Machine Redesign Final Design Report, Foja Bains, Bryan Cyr, David Van Schooten
Mechanical Engineering
This report is a comprehensive review of a redesign of subsystems for a Cold Roll Extrusion Machine, a forging operation, for PCC Rollmet. Three subsystems were addressed in this project: A new Loading system, Feed system, and Lubrication system. The Loading system, and support system during developmental design stages, addressed the timely loading process of pipes onto the forging machine. After two quarters of design iteration, the group decided on a lever arm, hydraulic actuated, loading design. In the final quarter of the project, a quarter scale model of this lever arm was constructed to prove the concept of the …
Temperature Controlled Packaging Container For Biologics And Pharmaceuticals, Melinda Phan, Yufay Chow-Yee, Abraham Ho
Temperature Controlled Packaging Container For Biologics And Pharmaceuticals, Melinda Phan, Yufay Chow-Yee, Abraham Ho
Mechanical Engineering
Clinical Supplies Management, Inc. (CSM) provides clinical trial services to biotechnology and pharmaceutical companies by shipping pharmaceuticals to clinics and other patients. In winter 2014, CSM presented a temperature control packaging project to the Cal Poly Senior Project class. As a result, three Cal Poly Mechanical Engineering Students were tasked to design, manufacture, and qualify a shipping container that would maintain ten 10 mL vials between 2-8°C for 96 hours. The final product would have to cost less to ship than the Credo Cube, CSM’s current temperature control packaging product. After considerable research and analysis on possible temperature control technologies, …
Wingtip Dynamics Simulator, Eugene Fox, Nick Rodriguez, Steven Rieber
Wingtip Dynamics Simulator, Eugene Fox, Nick Rodriguez, Steven Rieber
Mechanical Engineering
Raytheon is a defense contracting company with an electronic warfare division that is developing a radio frequency signal triangulation system. Part of the focus in improving this technology is the need for accurate and real time locational knowledge of the signal receivers, which are located at the tips of aircraft wings. Due to turbulence during flight, the fluttering motion of the wings alter the distance and angle relationships of the two receivers and add noise to the received signal data, which negatively affect the triangulation estimates. To mitigate this error caused by the wing flutter, Raytheon is developing a software …
Electric Porsche Drivetrain Re-Design, Taylor Carlson, Quinton Petty, Spencer Treffry
Electric Porsche Drivetrain Re-Design, Taylor Carlson, Quinton Petty, Spencer Treffry
Mechanical Engineering
The objective of this project was to redesign the drivetrain of the electric 1977 Porsche 911 Targa S with the goal of optimizing the drivetrain for motor efficiency and performance. The focus was to redesign the interface between the electric motor and rear wheels to maximize the efficiency of power transmission from the motor to the ground.
Two systems were proposed, a fixed gear reduction and two motors with an electronic differential. The fixed gear reduction was chosen to be designed and built by replacing the stock Porsche transmission with a differential featuring a favorable gear ratio for the electric …
Mhttu Implementation Final Project Report, Angelica Ramirez, Julian Samayoa, Matt Keeble
Mhttu Implementation Final Project Report, Angelica Ramirez, Julian Samayoa, Matt Keeble
Mechanical Engineering
Lawrence Livermore National Laboratory has invested considerable effort in developing fireproof high-efficiency particulate air (HEPA) filters. Due to the nature of LLNL’s research, the air leaving its lab facilities must be filtered before it is released into the atmosphere; thus, each laboratory is equipped with large banks of HEPA filters through which all internal air is exhausted. Over the years, however, fires have erupted in the labs and entire banks of HEPA filters have been destroyed, resulting in repairs and crucial downtime that prove costly.
Engineers and scientists alike have been seeking a permanent solution to this problem, and one …
The Icon Horn Loudspeaker, Vincent Phan
The Icon Horn Loudspeaker, Vincent Phan
Mechanical Engineering
A horn loudspeaker in layperson terms is essentially taking a megaphone and integrating it into a standard speaker. Similar to a cheerleader yelling into a megaphone, the horn loudspeaker will amplify the sound from the speaker with no additional power needed. Using standard speaker horn theory, the geometry of the “megaphone” can be engineered to tune the acoustic performance tailored to loudness and/or specific acoustics frequencies. The horn contours are similar to traditional orchestra instruments such as the French horn, trumpet, and tuba. The iconic beauty of a horn married with the quantitative engineering theory creates an aesthetic yet functional …
Team Nathan Suspension, Frankie J. Wiggins, Alex D. Seitz, Justin P. Bautista
Team Nathan Suspension, Frankie J. Wiggins, Alex D. Seitz, Justin P. Bautista
Mechanical Engineering
Nathan Cooper is an 8-year old boy with Spinal Muscular Atrophy (SMA). SMA has affected Nathan’s muscle development and requires him to use the Standing Dani™ mobility device. The Standing Dani is a motorized standing wheelchair, or Wheelstand. Nathan controls and uses it to get around. Though the Standing Dani performs well for most functions, it has some distinct issues. The primary issue that this project addresses is its lack of suspension and the discomfort that Nathan feels as a result. After talking with our client, we developed several specifications generally related to geometry, safety, vehicle dynamics, and reliability. Many …
Formula Sae Hybrid Carbon Fiber Monocoque / Steel Tube Frame Chassis, Matthew Hagan, John Rappolt, John Waldrop
Formula Sae Hybrid Carbon Fiber Monocoque / Steel Tube Frame Chassis, Matthew Hagan, John Rappolt, John Waldrop
Mechanical Engineering
The Cal Poly Formula SAE Team created this project in order to design and fabricate a high-performance chassis which would be competitive at 2013 FSAE Lincoln, and to document the process so that future teams could more easily create a chassis. One of the main goals was to reduce weight from the 143- lb 2012 chassis subsystem. A weight of 95 lb was achieved, with 82 lb in the chassis structure itself and a predicted torsional stiffness of 1700 lb*ft/deg. Composite materials design and manufacturing techniques were developed during the project. Design, testing, and manufacturing processes are detailed, and results …
Semi-Automated Method Of Assembly For Physio Ii Ring, Cameron Anderson Deines, Kelsey Jean Engel, Christopher Kiuyen Wong
Semi-Automated Method Of Assembly For Physio Ii Ring, Cameron Anderson Deines, Kelsey Jean Engel, Christopher Kiuyen Wong
Mechanical Engineering
No abstract provided.
Folding Wheelchair Improvement, Matthew Edison Grace, Kevin Alan Miyamoto, Andrey Lee Oliveira
Folding Wheelchair Improvement, Matthew Edison Grace, Kevin Alan Miyamoto, Andrey Lee Oliveira
Mechanical Engineering
No abstract provided.
Low-Cost Strider For Guatemala, Nicole Catherine Cooper, Gonzalo Hernandez, Jared W. Tower
Low-Cost Strider For Guatemala, Nicole Catherine Cooper, Gonzalo Hernandez, Jared W. Tower
Mechanical Engineering
The purpose of this project was to create a strider, a type of standing rehabilitation device, for children in developing countries who have trouble walking and supporting their full body weight. The project was initially brought to us by Cal Poly professor Brian Self, who had visited a clinic in San Marcos and determined that there were children there who had difficulties with walking and were a need for a rehabilitation device. The team discussed the problem with Dr. Self, Matt Robinson (a local San Luis Obispo prosthetist), and Cal Poly physics professor Pete Schwartz, all of whom had visited …
Adaptive Basketball Shooter - Final Project Report, Jenna N. Becker, Richard A. Galanti, Justin D. Haley, Brett Y. Nayudu
Adaptive Basketball Shooter - Final Project Report, Jenna N. Becker, Richard A. Galanti, Justin D. Haley, Brett Y. Nayudu
Mechanical Engineering
The Friday Club is a joint venture between the Cal Poly Kinesiology Department and the San Luis Obispo Special Olympics that offers people with varying degrees of disability the opportunity to meet weekly and learn various sports and games. At Friday Club, athletes in wheelchairs with limited arm strength use devices built by Cal Poly mechanical engineering students in order to participate in various sports. Many devices are designed to attach to the Universal Play Frame (UPF), a wheel-chair attachment. The purpose of this project was to design and build a UPF device that will launch a basketball, so that …
Energy Generator Exploration Station Senior Project Report, Evan Carr, Christopher Scharff, Andrea Govea
Energy Generator Exploration Station Senior Project Report, Evan Carr, Christopher Scharff, Andrea Govea
Mechanical Engineering
The mission of Team EnGen is to create a safe and reliable, human powered energy generation system for the Exploration Station. This project was proposed by the Exploration Station in response to a grant received by Pacific Gas and Electric (PG&E) that allocated funds for an energy conservation exhibit. This system will take the form of a model energy truck and a darkened neighborhood display that the user powers through peddling, turning the generator to create the electricity that will light up the display. The Exploration Station and Team EnGen agree that this style of design is accessible to all …
Adaptive Kayak Seating: The Tide Rider 360, Irvin Camacho, Grant Petersen, Audrey Riddle, Andrea Voigt
Adaptive Kayak Seating: The Tide Rider 360, Irvin Camacho, Grant Petersen, Audrey Riddle, Andrea Voigt
Mechanical Engineering
The Adaptive Paddling Program at California Polytechnic State University has sponsored the construction of an adaptive kayak seat, the Tide Rider 360, to provide paddlers with disabilities sufficient trunk support while out on the water. In particular, this design focused on providing the least restrictive environment for all users while still providing sufficient lateral, neck, back, and hip support. This seat is intended for use in the quarterly Adaptive Paddling Program to allow people with disabilities to experience the joys of kayaking in the most comfortable and supportive environment possible.
The following report details the background research, design development, manufacturing, …
2d Wireform Process Improvement, Katy Conlin, Carlo Ebora, Jordan Gamble
2d Wireform Process Improvement, Katy Conlin, Carlo Ebora, Jordan Gamble
Mechanical Engineering
The body of this work has been created for Edwards Lifesciences in conjunction with senior project requirements. As such, the information produced and contained within is under a non‐disclosure agreement. As per request by sponsor, the body of the work will not be submitted to any outside parties, and the title page will serve as proof of completion.
Automated Foosball Table, Jim R. Stefani, Alex J. Herpy, Brett Gordon Jaeger, Kevin S. Haydon, Derek Alan Hamel
Automated Foosball Table, Jim R. Stefani, Alex J. Herpy, Brett Gordon Jaeger, Kevin S. Haydon, Derek Alan Hamel
Mechanical Engineering
This project is the second iteration of an automated foosball table for Yaskawa America as a trade show display. The table is meant to provide an interactive experience which highlights the speed and precision of the Yaskawa hardware. The first iteration of the project was mainly focused on creating the physical hardware for the system and to begin the basic programming for the system. This phase of the project was focused on finalizing the physical hardware of the system, implementing the vision system and to continue the basic programing of the system AI. A third team will be assigned to …
Team Joseph: Adaptive Aquatic Device, Paul Sands, Lilly Hoff, Andrea Voigt
Team Joseph: Adaptive Aquatic Device, Paul Sands, Lilly Hoff, Andrea Voigt
Mechanical Engineering
The scope of this project included designing and fabricating an adaptive aquatic device for Joseph, a 20 year old student in the Special Education Program at San Luis Obispo High School with a subset of cerebral palsy known as spastic quadriplegia. The project was presented at the beginning of the Fall 2013 quarter to the mechanical engineering students at Cal Poly with the aspiration that a team of engineers would construct a device that would allow Joseph, his friends and family to compete in their first triathlon on July 27, 2014. The project was humbly accepted by mechanical engineering students …
Adapted Pool Cue, Cole Clark, Daniel Patterson, Michelle Cheung, Dylan Sauer
Adapted Pool Cue, Cole Clark, Daniel Patterson, Michelle Cheung, Dylan Sauer
Mechanical Engineering
Our primary goal was to develop an adaptive device to allow a user with limited upper body mobility to more effectively play a game of pool. Within this goal it was important to design around the concept of a least restrictive environment, in order to provide the user with as close to a standard pool playing experience as possible. The device was designed to specifically meet the needs of John Lee, an Assistive Technology Specialist at Cal Poly's Disability Resource Center. Mr. Lee has muscular dystrophy, which limits his upper and lower body mobility and currently requires his use of …
Adaptive Beach Walker, Jonathan Larsen, Christian Nuñez, Nicholas Simon, Jessica Smith
Adaptive Beach Walker, Jonathan Larsen, Christian Nuñez, Nicholas Simon, Jessica Smith
Mechanical Engineering
The RAPD program is a federal organization funded by the National Science Foundation that supports the development of technologies for new and improved devices or software for persons with disabilities; in the case of our project and our fellow classmates, the program provided grants to student projects that are designed to help persons with disabilities in participating and enjoying physical activity. Our project is directed with the help of Dr. Widmann and Dr. Taylor of the Mechanical Engineering and Kinesiology Departments respectively, at California Polytechnic State University, San Luis Obispo. Three students from the Mechanical Department and one student from …
Geared Wheelchair, Shawn Jafari, Kyle Sitton, Mitch Wickline
Geared Wheelchair, Shawn Jafari, Kyle Sitton, Mitch Wickline
Mechanical Engineering
No abstract provided.
Blds Articulated Mounting Feet, Mitchell D. Conn, Chris Mazzucco
Blds Articulated Mounting Feet, Mitchell D. Conn, Chris Mazzucco
Mechanical Engineering
This final report summarizes all of the efforts of the Senior Project aimed at creating Articulating Mounting Feet for the BLDS. The project focuses on improving the design of the mounting feet for the current Boundary Layer Data System at Cal Poly, San Luis Obispo. Dr. Russ Westphal, the project’s sponsor, wishes that our team focus primarily on a reliable and lightweight mount design for a curved wing, with only transverse curvature. Dr. Westphal is currently researching the boundary layer effects on airplane wings at Cal Poly, and the ability to mount to a multitude of surface contours would increase …
Friction Test Machine, Kyle Raymon Schless, Lynda Beatriz Tesillo, Mustapha Nadri
Friction Test Machine, Kyle Raymon Schless, Lynda Beatriz Tesillo, Mustapha Nadri
Mechanical Engineering
No abstract provided.
Science Of Water Table, Tim Haigh, Kris Francis, Nick Schlemmer
Science Of Water Table, Tim Haigh, Kris Francis, Nick Schlemmer
Mechanical Engineering
No abstract provided.