Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Operations Research, Systems Engineering and Industrial Engineering (282)
- Industrial Engineering (276)
- Computer-Aided Engineering and Design (98)
- Applied Mechanics (83)
- Other Mechanical Engineering (76)
-
- Electro-Mechanical Systems (51)
- Materials Science and Engineering (35)
- Acoustics, Dynamics, and Controls (24)
- Biomechanical Engineering (24)
- Biomedical Engineering and Bioengineering (23)
- Electrical and Computer Engineering (22)
- Aerospace Engineering (19)
- Electrical and Electronics (18)
- Structural Materials (17)
- Biomedical Devices and Instrumentation (16)
- Engineering Science and Materials (14)
- Heat Transfer, Combustion (14)
- Other Materials Science and Engineering (14)
- Other Engineering (12)
- Structures and Materials (11)
- Computer Engineering (9)
- Energy Systems (9)
- Mechanics of Materials (9)
- Medicine and Health Sciences (9)
- Polymer and Organic Materials (9)
- Risk Analysis (8)
- Systems Engineering (8)
- Keyword
-
- Manufacturing (37)
- Design (23)
- Additive Manufacturing (14)
- Bicycle (12)
- Composites (12)
-
- Automation (10)
- Composite (10)
- Efficiency (9)
- Wheelchair (9)
- Edwards Lifesciences (7)
- Fixture (7)
- Motor (7)
- Additive manufacturing (6)
- Carbon (6)
- Controls (6)
- FEA (6)
- Lead free solder (6)
- Optimization (6)
- Reliability (6)
- Selective Laser Melting (6)
- Solar (6)
- 3D Printing (5)
- Battery (5)
- Cal Poly (5)
- Carbon fiber (5)
- Engineering (5)
- GAF (5)
- Mechanical Engineering (5)
- Process Improvement (5)
- QL+ (5)
- Publication Year
- Publication
-
- Industrial and Manufacturing Engineering (273)
- Mechanical Engineering (214)
- Master's Theses (26)
- Biomedical Engineering (6)
- Materials Engineering (6)
-
- College of Engineering Summer Undergraduate Research Program (4)
- BioResource and Agricultural Engineering (3)
- Computer Engineering (3)
- Electrical Engineering (3)
- Aerospace Engineering (2)
- Architectural Engineering (1)
- Biomedical Engineering: Graduate Reports and Projects (1)
- General Engineering (1)
- Graphic Communication (1)
- STAR Program Research Presentations (1)
- Publication Type
Articles 331 - 360 of 545
Full-Text Articles in Manufacturing
Wine Club Shipment Package Redesign, Emily E. Prescott
Wine Club Shipment Package Redesign, Emily E. Prescott
Industrial and Manufacturing Engineering
This report shows the design, manufacturing, and testing process for the product development of a wine club shipment package for Niner Wine Estates. Niner has two different shipment sizes, 4 bottles and 6 bottles, and wishes to improve their current package by giving it a more “high-class” feel. After the new package was designed and prototyped, it went through standardized quality testing to be cleared for commercial use. This testing is intended to simulate the distribution cycle the package will experience and subject it to potential hazards such as being dropped and vehicle vibration during transportation.
After the package passed …
Process Improvements Of Cilantro Harvesting With Ergonomic Considerations, Eric Penningroth, Branden Shimamoto
Process Improvements Of Cilantro Harvesting With Ergonomic Considerations, Eric Penningroth, Branden Shimamoto
Industrial and Manufacturing Engineering
The problems presented by Talley Farms to the team were a lower than desired cilantro harvesting capacity and work health pertaining to lower back problems. The project objectives were to address and improve upon both of these objectives. To increase harvesting capacity, a simulation model was created using standard times from time studies. The simulation model helped to compare the different harvesting methods as well as the effect of the utilization of the on-site manager. The throughputs between each of the models were analyzed. To address ergonomic concerns, a work sampling study was conducted and it was determined that kneeling …
Bikeshare Business Model For Cal Poly- San Luis Obispo, Justin Benson, Andrew Neil Gatchalian
Bikeshare Business Model For Cal Poly- San Luis Obispo, Justin Benson, Andrew Neil Gatchalian
Industrial and Manufacturing Engineering
With the increasing admittance of students into colleges and universities across the nation, the need for alternate modes of transportation is becoming more pressing. College and university campuses, as well as small cities, in which there is a college or university, are being overloaded with student cars. In San Luis Obispo specifically, parking on campus as well as downtown can be extremely difficult to find. Traffic is also getting progressively worse, especially at the hour when class begins/ends and student arrive to or leave campus. Financial reasons are yet another deterrent for students at Cal Poly. Parking permits, gas, and …
Effects Of Patient Factors On Implantation Rates In In Vitro Fertilization, Heidi Richardson, Sofia Soto
Effects Of Patient Factors On Implantation Rates In In Vitro Fertilization, Heidi Richardson, Sofia Soto
Industrial and Manufacturing Engineering
The purpose of this report is to evaluate the effects of patient factors and embryo quality on the implantation rate in In Vitro Fertilization (IVF). For this report, statistical methods are used to test the significance of several patient and embryo characteristics on embryo implantation rate. This project is an analysis of data collected from over 36,000 patients.
The analysis concluded several findings. There was enough statistical evidence to conclude that age was significant in regards to implantation rate and FSH levels. As the patient ages, the amount of FSH levels found in their blood increases. A patient with high …
Redesign Of Talley Farm's "Fresh Harvest" Produce Program, Nicole Bordwell, John Rivera, Jared Toboni
Redesign Of Talley Farm's "Fresh Harvest" Produce Program, Nicole Bordwell, John Rivera, Jared Toboni
Industrial and Manufacturing Engineering
Fresh Harvest, a Central Coast Community Supported Agriculture (CSA) program run by Talley Farms located in Arroyo Grande, CA, has a rapidly growing customer base. They harvest, package, and deliver boxes of fresh quality produce to almost 3000 subscribers. However, Talley Farms’ space for production and processing is limited and at times required for other aspects of business. This results in a problem where Talley Farms current processing system of produce for the Fresh Harvest program is not suitable for the forecasted growing demand. This report addresses the need to prepare for continued significant growth to the demand for Fresh …
Analysis And Improvement Of The Security Building At Pg&E Diablo Canyon Nuclear Power Plant, Alyssa Carter, Natalie Christa, Phuong Anh Pham Dinh
Analysis And Improvement Of The Security Building At Pg&E Diablo Canyon Nuclear Power Plant, Alyssa Carter, Natalie Christa, Phuong Anh Pham Dinh
Industrial and Manufacturing Engineering
A new Security building was recently designed and built at the Pacific Gas and Electric (PG&E) Diablo Canyon Power Plant (DCPP).This building’s staff and equipment are responsible for performing routine inspections on all personnel entering the facility in order to prevent security-related incidents from occurring at the nuclear power plant. Similar to airport security procedures, the DCPP security building routine inspections include the use of x-ray machines, metal detectors, and explosive detectors.
The Power Plant periodically experiences pre-planned, preventive maintenance outages, that last 4-6 weeks. During an outage, a power plant reactor is shut down for maintenance, repair, and re-fueling. …
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 …
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 …
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.
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 …
A Control-Chart Based Method For Solder Joint Crack Detection, Jianbiao Pan
A Control-Chart Based Method For Solder Joint Crack Detection, Jianbiao Pan
Industrial and Manufacturing Engineering
Many researchers have used different failure criteria in published solder joint reliability studies. Since the reported timeto-failure would be different if different failure criteria were used, it would be difficult to compare the reported reliability life of solder joints from one study to another. The purpose of this study is to evaluate the effect of failure criteria on the reported thermal fatigue life and determine which failure criterion could detect failure sooner. First, the application of the control-chart-based method in a thermal cycling reliability study is described. The reported time-to-failure data were then compared based on four different failure criteria: …
Final Design Report Bull Outdoor Products Tailgating/Backyard Barbecue, Kyle Van Allen, David Mei, Nicholas James Marquez
Final Design Report Bull Outdoor Products Tailgating/Backyard Barbecue, Kyle Van Allen, David Mei, Nicholas James Marquez
Mechanical Engineering
Bull Outdoor Products, Inc. is a specialty company whose main products are high end barbecues for use in outdoor kitchens. They desire a more portable barbecue stand(s) that can be used for tailgating. This is to be achieved by creating a dual-purpose stand/frame that allows for the barbecue head to be used on a trailer hitch or as rolling stand that can be used without a trailer hitch.
St. Jude Medical - R&D Robot For Sensor Testing, Andrew Chanul Kim, Stanley Logan Laszczyk, Edgar Nava, Nathan Gall
St. Jude Medical - R&D Robot For Sensor Testing, Andrew Chanul Kim, Stanley Logan Laszczyk, Edgar Nava, Nathan Gall
Electrical Engineering
No abstract provided.
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 …
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.
Modification Of A Draw Bar Type Arena Harrow To Three Point Mounted Type Harrow, Clayton Alan Brown
Modification Of A Draw Bar Type Arena Harrow To Three Point Mounted Type Harrow, Clayton Alan Brown
BioResource and Agricultural Engineering
This senior project will be the design, and construction of a three point hitch to be attached to a draw bar type spike tooth harrow. Currently used by the Cal Poly Rodeo Team to cultivate their arena before performances, and practices.
The attachment will allow the harrow to be pulled in both directions to create different types of soil affects.
Also the fabrications has a minimal budget so the majority of the materials will be scrap material already in position of the rodeo team or donated to the project.
Cnc Torch, Steven Chiu
Cnc Torch, Steven Chiu
Computer Engineering
This CNC Torch cuts steel plate. It can cut up to a maximum area of 3x3 feet. The user builds a cut list on the touchscreen from a selection of predefined shapes and enters the parameters need for each shape. When the user is ready, the cut list is sent to an Arduino that will move each motors accordingly to the shapes desired.
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.
Bellevue-Santa Fe Charter School Solar Panel Project, Dulce Arroyo Martinez, Henrik Lee, Moises Quiroz, Timothy Iafrate
Bellevue-Santa Fe Charter School Solar Panel Project, Dulce Arroyo Martinez, Henrik Lee, Moises Quiroz, Timothy Iafrate
Mechanical Engineering
This project covers the design, manufacture, and installation of solar panel frames on a charter school in Avila Beach, CA. Through preliminary research regarding important factors (such as solar movement, ideal panel angle, and site-specific factors), a frame that meets the standards set forth in the California Building Codes was designed. After approval by presiding authorities, parts specified in the design were ordered, inspected upon arrival, and manufactured to the design as necessary. Much of the challenge was related to the installation aspect of the project—coordination with the proper authorities and correct submission of applications was integral to the success …
Team Poly Cup, John Adkins, Scott W. Hart, Elise Kiland
Team Poly Cup, John Adkins, Scott W. Hart, Elise Kiland
Mechanical Engineering
This project involves the use of mechanical engineering expertise to develop, design, and create a functioning prototype of a collapsible coffee cup. The prototype is to be designed to the specifications given by Jason Blum, the project sponsor. Allowances may be given for design freedom as specified by Jason Blum. The goal of this project is to create a product which may replace the both the disposable coffee cups distributed at coffee shops as well as to create a product which may replace the traditional travel mug due to its increased portability.
Team Poly Cup has worked throughout the year …
A Control-Chart Based Method For Solder Joint Crack Detection - Conference Proceeding, Jianbiao Pan
A Control-Chart Based Method For Solder Joint Crack Detection - Conference Proceeding, Jianbiao Pan
Industrial and Manufacturing Engineering
Many researchers have used different failure criteria in the published solder joint reliability studies. Since the reported time-to-failure would be different if different failure criteria were used, it would be difficult to compare the reported reliability life of solder joints from one study to another. The purpose of this study is to evaluate the effect of failure criteria on the reported thermal fatigue life and find out which failure criterion can detect failure sooner. First, the application of the control-chart based method in a thermal cycling reliability study is described. The reported time-to-failure data were then compared based on four …
Design Of Transportation Process For Band Equipment, Marissa N. Blustein, Chris M. Kaye
Design Of Transportation Process For Band Equipment, Marissa N. Blustein, Chris M. Kaye
Industrial and Manufacturing Engineering
The following report documents the attempt to design a safe and reliable process for transporting Louder Space’s musical gear that requires minimal physical demand. Design specifications were derived from customer requirements as well as human factors principles. The transportation process was broken down into systematic process steps and standardized, making use of lean methodologies in order to reduce the number of non-value steps involved. Furthermore, a model portable storage unit for miscellaneous gear was developed to the specifications determined by the band using 3D modeling, as well as certain limiting constraints. Once the customer approved the prototype, the product was …
S1nn Gmbh & Co. Kg (Automobile Connectivity Module 1.1), Tyler Alexander Ball
S1nn Gmbh & Co. Kg (Automobile Connectivity Module 1.1), Tyler Alexander Ball
Industrial and Manufacturing Engineering
The results of this report show how when diagnostics were run on the Connectivity Module 1.1, the problems discovered such as potential short-circuiting, 90-degree copper tracing angles, and components overheating/tombstoning were addressed. By using the method of “DMAIC,” which stands for Design, Measure, Analyze, Implement, Control, successful corrections were made. In the first design of the Printed Circuit Board (PCB), 1454 critical issues were found. With the newly designed PCB’s modifications being implemented, only 12 critical issues remained, which were later addressed and corrected. The results from this report are a functional Automobile Connectivity Module 1.1.
Project Management Of High School Shadow And Building An Engineer Day, Andrea M. Carroll
Project Management Of High School Shadow And Building An Engineer Day, Andrea M. Carroll
Industrial and Manufacturing Engineering
Building an Engineer Day and High School Shadow are semi-annual outreach events hosted by Cal Poly’s Society of Women Engineers section during fall and spring quarters. The events focus on encouraging women and minorities to take an interest in engineering. These events are the two largest outreach events hosted by The Society of Women Engineers and need to run smoothly in order to provide student attendees with a meaningful experience.
Building an Engineer Day and High School Shadow are currently un-organized and un-planned, which leads to problems with officer retention, increase in expediting process and a low attendance rate at …
Equipment Maintenance And Replacement Decision Making Processes, Michael W. Gage
Equipment Maintenance And Replacement Decision Making Processes, Michael W. Gage
Industrial and Manufacturing Engineering
This project contains recommendations for the decision making processes for support and production equipment maintenance and replacement for a large defense contractor. Recent literature has been reviewed to provide perspective on current trends in the field. A complete evaluation of their current processes and systems is included with recommendations on areas for improvement. A decision support system is also proposed to supplement their existing decision making.
Fixture For Carbon Fiber Spar Of Human Powered Helicopter, David John Ikeda, Luis Gonzalez
Fixture For Carbon Fiber Spar Of Human Powered Helicopter, David John Ikeda, Luis Gonzalez
Industrial and Manufacturing Engineering
The following report describes our contribution to Cal Poly Human Powered Helicopter for the 2012 competition for the Sikorsky Prize offered by the American Helicopter Society. In order to win this prize the team needs to build and fly a human powered helicopter for more than 60 seconds reaching and altitude of 3 meters while staying in a 10 meter square box. Our team was created to support the integration of Carbon Fiber parts, specifically the carbon fiber spars with rotor and landing gears. Precise cutting and accurate drilling was needed and our team was tasked with creating a fixture …
The Collapsible Trailer: Design And Manufacture, Robert Hobson
The Collapsible Trailer: Design And Manufacture, Robert Hobson
Biomedical Engineering
No abstract provided.
Design Of An Automatic Wood Trimming Machine, Van Ho, Nicholas Maskal, Andrew Rutland
Design Of An Automatic Wood Trimming Machine, Van Ho, Nicholas Maskal, Andrew Rutland
Mechanical Engineering
This final design report, prepared for Sunrise Arts by the Cal Poly design team Mahogany Automation, details the year-long process in which the team of three engineering students designed and built an automated wooden -plank edge trimming machine that incorporates anti-jamming and continuous loading features. The team has examined current woodworking machines and features available on the industrial and commercial market, and used these as guides along with device requirements set by the project sponsor, Bruce Palmer. The focus has been on designing the simplest and most cost effective device that allows operators to make production runs of wooden slats …
Project Based Learning In Engineering Economics: Teaching Advanced Topics Using A Stock Price Prediction Model, Lizabeth Schlemer
Project Based Learning In Engineering Economics: Teaching Advanced Topics Using A Stock Price Prediction Model, Lizabeth Schlemer
Industrial and Manufacturing Engineering
A graduate level advanced engineering economics class taught at California Polytechnic State University, San Luis Obispo, includes a thorough review of time value of money, investment evaluation, inflation, risk and return, financing decisions, corporate investment strategies, risk analysis and decisions incorporating non-monetary considerations. Historically this course was taught using an advanced text where the topics were covered sequentially. A redesign of the course now includes the construction of a stock price prediction model for a company of the student’s choice. Through the model, the topics are covered and discussed in the context of the large model-building project. For instance, inflation …