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Articles 1 - 30 of 59
Full-Text Articles in Mechanical Engineering
Electromechanics Of An Ocean Current Turbine, Vasileios Tzelepis
Electromechanics Of An Ocean Current Turbine, Vasileios Tzelepis
University of New Orleans Theses and Dissertations
The development of a numeric simulation for predicting the performance of an Ocean Current Energy Conversion System is presented in this thesis along with a control system development using a PID controller for the achievement of specified rotational velocity set-points. In the beginning, this numeric model is implemented in MATLAB/Simulink® and it is used to predict the performance of a three phase squirrel single-cage type induction motor/generator in two different cases. The first case is a small 3 meter rotor diameter, 20 kW ocean current turbine with fixed pitch blades, and the second case a 20 …
Developing And Testing An Anguilliform Robot Swimming With Theoretically High Hydrodynamic Efficiency, John B. Potts Iii
Developing And Testing An Anguilliform Robot Swimming With Theoretically High Hydrodynamic Efficiency, John B. Potts Iii
University of New Orleans Theses and Dissertations
An anguilliform swimming robot replicating an idealized motion is a complex marine vehicle necessitating both a theoretical and experimental analysis to completely understand its propulsion characteristics. The ideal anguilliform motion within is theorized to produce ``wakeless'' swimming (Vorus, 2011), a reactive swimming technique that produces thrust by accelerations of the added mass in the vicinity of the body. The net circulation for the unsteady motion is theorized to be eliminated.
The robot was designed to replicate the desired, theoretical motion by applying control theory methods. Independent joint control was used due to hardware limitations. The fluid velocity vectors in the …
Swerve, Kaitlin A. Castillo, Cichasky A. Catherine
Swerve, Kaitlin A. Castillo, Cichasky A. Catherine
Industrial and Manufacturing Engineering
Carpooling yields great benefits environmentally, socially, and economically for carpooling, however there is no easy to use, safe, and enjoyable application for people to connect with others who are both close in proximity and have schedules that match currently. By creating a database and visual mock ups, our senior project creates the basis for an application called Swerve that matches users by location and schedules and has social and economic incentives. Our research allowed us to further understand the social, environmental and economic benefits and incentives of carpooling. We also looked into current carpooling websites and applications and could not …
Multi-Restaurant Delivery Service Design And Financial Analysis, Dylan Davis Fuller
Multi-Restaurant Delivery Service Design And Financial Analysis, Dylan Davis Fuller
Industrial and Manufacturing Engineering
When found on campus all day and in need of a quick meal before the next class what are the options for you as a Cal Poly student or faculty? Campus dining is the only option that can meet the typical demand you have of speed and convenience. Restaurants with food delivery often don’t have the variety or take to long for delivery. The goal is to provide a delivery service with the speed of getting a meal on campus but with the variety and quality of the restaurants found in downtown San Luis Obispo. Looking at existing businesses providing …
Startup Social Responsibility: A Concentrated Social Audit Of Halt Medical Inc., Matthew Frank Rosa
Startup Social Responsibility: A Concentrated Social Audit Of Halt Medical Inc., Matthew Frank Rosa
Industrial and Manufacturing Engineering
Halt Medical Inc. is a biomedical device startup whose managers are interested in assessing their levels of employee satisfaction and organizational well-being. They want to know if their employees are cooperating, if departments are cohesive, and if everyone is happy. To evaluate Halt Medical’s social capital and environment, a social responsibility audit will be conducted concentrated specifically on the organization’s social and ethical initiatives to its employees. This analysis requires interviews of managers, observations of cultural diffusion, and employee opinions on a variety of business areas. The five areas of focus for this audit are the company’s accommodation of each …
Underwater Rope Fatigue Testing Machine, Napoleon Nino, Andrew Pimentel
Underwater Rope Fatigue Testing Machine, Napoleon Nino, Andrew Pimentel
Mechanical Engineering
The design and fabrication of an underwater rope fatigue testing machine meant to simulate the effects of an oceanic environment and the effects on rope.
Optimal Configuration Of Remanufacturing Supply Network With Return Quality Decision, Mohannad Radhi, Guoqing Zhang
Optimal Configuration Of Remanufacturing Supply Network With Return Quality Decision, Mohannad Radhi, Guoqing Zhang
Mechanical, Automotive & Materials Engineering Publications
No abstract provided.
Creation And Analysis Of Checklists To Improve Raquet Stringing Performance In Tennis Warehouse, Alston S. Nguyen
Creation And Analysis Of Checklists To Improve Raquet Stringing Performance In Tennis Warehouse, Alston S. Nguyen
Industrial and Manufacturing Engineering
Tennis Warehouse has a need to increase the supply of strung racquets and man hours to complete these strung racquets over the course of a year. That is, the demand can be increased by up to 4 times its average load during certain hectic parts of the year (professional tournaments, holidays, and competitive seasons). Not meeting this demand can lead to upset customers, unnecessary waste and replacing of rushed items and shipping costs, and a discouraged customer service representative workforce. The objective of this project is to use a set of checklists to address this problem and attempt to increase …
Design And Research Of Vlcc Vessel Virtual Marine Engine Room, Chuang Zhao
Design And Research Of Vlcc Vessel Virtual Marine Engine Room, Chuang Zhao
Maritime Safety & Environment Management Dissertations (Dalian)
No abstract provided.
Why Toyota And Honda Topped The 2002 J.D. Power Quality Study, Susan Lightle, Kenneth Yale Rosenzweig, John Talbott
Why Toyota And Honda Topped The 2002 J.D. Power Quality Study, Susan Lightle, Kenneth Yale Rosenzweig, John Talbott
Kenneth Y. Rosenzweig
Toyota again topped the annual J. D. Power and Associates quality study released in late May of 2002. Toyota scored the highest mark ever with l 07 defects per l 00 vehicles, while Honda came in second with 113 defects. The study was based on responses of approximately 65,000 new car owners queried during their first 90-days of ownership. These results do not surprise us, as we have been fortunate to make numerous sojourns to the Toyota plant in Georgetown, Kentucky, and observe the manufacturing processes. These trips were normally facilitated by a former Japanese student of ours, Minako Yanke, …
Solar Cal Poly Active Hvac Project, James Cornish, Jake Cosmo, Patrick Weston
Solar Cal Poly Active Hvac Project, James Cornish, Jake Cosmo, Patrick Weston
Mechanical Engineering
For this project, the goal was to conceptualize, design, test, and implement an active HVAC system to be used in the Solar Cal Poly house competing in the Department of Energy’s 2015 Solar Decathlon. With many house iterations, it was decided to use a split system with an outdoor heat pump and indoor air handler, paired with a HRV for ventilation. Through system modeling using Design Builder and Energy Pro 6.5, the cooling load of the house was determined along with the cooling schedule. The foreseen safety precautions and limited construction time guided the entire project, along with the active …
Cal Poly Dining: The Avenue Redesign, Eric Calbonero, Derek Nollsch, Casey Reilly
Cal Poly Dining: The Avenue Redesign, Eric Calbonero, Derek Nollsch, Casey Reilly
Industrial and Manufacturing Engineering
Executive Summary
Campus Dining is planning to close VG’s Cafe during the 2015-2016 school year; as a result, the remaining restaurants on campus need to accommodate the additional student demand. The student team consisting of Eric Calbonero, Derek Nollsch, and Casey Reilly met with Campus Dining’s Director of Operations, Greg Yeo, about this issue—he directed the team toward a redesign of The Avenue Food Court. To redesign The Avenue, the project team focused on several key deliverables as follows:
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Study current customer trends in The Avenue
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Develop a proposed facilities layout and design
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Perform a capacity analysis of The Avenue …
Increasing The Independence Of Children With Spina Bifida Through The Designing And Building Of A Mechanical Aide, Andrew Duffek, Robert Brent, Michael Hamada, Melissa Rodriguez
Increasing The Independence Of Children With Spina Bifida Through The Designing And Building Of A Mechanical Aide, Andrew Duffek, Robert Brent, Michael Hamada, Melissa Rodriguez
Industrial and Manufacturing Engineering
In order to assist Silas Hopper, a child with spina bifida, with getting into his wheelchair independently when being on the ground, the senior project team set out to construct a device that would fulfill that purpose. They did this through coming up with a strict definition of the problem to be solved, designing a number of potential solutions for the problem, prototyping to determine the feasibility of the solutions, making design modifications after testing the prototype, and building the final device.
The end product was a device that was able to operate mechanically, with a design that considered safety …
Cost Effective Analysis Of Big Data, Steven J. Litzsinger, Nehad Dababo
Cost Effective Analysis Of Big Data, Steven J. Litzsinger, Nehad Dababo
Industrial and Manufacturing Engineering
Executive Summary
Big data is everywhere and businesses that can access and analyze it have a huge advantage over those who can’t. One option for leveraging big data to make more informed decisions is to hire a big data consulting company to take over the entire project. This method requires the least effort, but is also the least cost effective. The problem is that the know-how for starting a big data project is not commonly known and the consulting alternative is not very cost effective. This creates the need for a cost effective approach that businesses can use to start …
An Automated Solution For Analyzing Supply Chain Performance, Paul Ringelstein
An Automated Solution For Analyzing Supply Chain Performance, Paul Ringelstein
Industrial and Manufacturing Engineering
The world is becoming increasingly connected as technology progresses and globalization reaches more countries. This interconnection creates new challenges and new relationships for both people and businesses. Now, more than ever, businesses have to work together to satisfy the high demands of customers.In a world full of complex organizations that do business together, the supply chain has become the heartbeat of corporations. The interconnectedness of the organizations in the supply chain is critical to the success of all components of the supply chain. In order to gain an advantage in markets today, data needs to be used to determine where …
Designing A Supply Chain For Wine Imports, Italy To California, Neil Magnuson, Sam Bucher
Designing A Supply Chain For Wine Imports, Italy To California, Neil Magnuson, Sam Bucher
Industrial and Manufacturing Engineering
Executive Summary
In this report a framework for a hypothetical business will be covered. Bucher & Magnuson Wine Import Inc. has provided a business plan as well as a detailed supply chain design for operations. In addition, a model for scaling and a redesign of a possible storage facility will be found. This comprehensive document outlines end to end the supply chain model of the hypothetical business and moreover a framework for starting a wine import business in San Luis Obispo.
The conclusions of the results from this model are the following:
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Unconcerned with time, the cheapest route for 1 …
Design Of An Automated Vehicle Detection System For Bicycles: Fireworks Cycling Sensor, Jason Cheng, Peter Kim, Tory Morgan, Clayton Young
Design Of An Automated Vehicle Detection System For Bicycles: Fireworks Cycling Sensor, Jason Cheng, Peter Kim, Tory Morgan, Clayton Young
Industrial and Manufacturing Engineering
Abstract
This report explores the necessity for increased cyclist safety in urban settings, leading to the birth of a product which aims to drastically reduce the risk of accidents while heightening the sense of safety overall. The project outlines and details the product development process of a consumer-friendly vehicle detection system, with a holistic scope which includes technical rapid prototyping and coding, team dynamics, decision making process, and change management. Two formal prototypes were developed before a functional final product was identified and constructed, each iteration drastically improving practicality and efficiency of detection. The final product underwent extensive testing in …
Tesla Motors Quality Engineering Application And Implementation, Nick Kwan
Tesla Motors Quality Engineering Application And Implementation, Nick Kwan
Industrial and Manufacturing Engineering
Tesla Motors, in Winter 2013 during the author’s coop,had a variety of potential improvement areas regarding their quality engineering team. There were too many overall defects on the vehicles. Those defects were recognized as the cars were passing through inspection, coming off the line, as well as brought by customers to after-purchase service. One of the defects was the Charge-port Door Malfunction, in which the door of the Model S would not open on command. An additional defect was the Windshield Wiper Malfunction, in which the fluid was not hitting the car at the desired angle. Both of these defects …
Industrial Engineering Consulting, Blake J. Ahrold, Torrey M. Plana
Industrial Engineering Consulting, Blake J. Ahrold, Torrey M. Plana
Industrial and Manufacturing Engineering
This paper documents the senior project of Blake Ahrold and Torrey Plana. This project was created to provide a solution to the problem of small to medium Sized enterprises (SMEs) being under represented by lean consulting companies. The project was at first intended to be a lean consulting startup and then pivoted to The Systems Optimization Club. A project charter, Gantt chart, and business model canvas were created for the startup and used as guidelines in the creation of the Systems Optimization club. The club is to be run like a lean consulting company. The club will provide teams of …
San Luis Obispo Children's Museum: The Circuit Lab, Megan Garcia, Victoria Higgins, Michael Xie
San Luis Obispo Children's Museum: The Circuit Lab, Megan Garcia, Victoria Higgins, Michael Xie
Industrial and Manufacturing Engineering
Executive Summary
Over a nine month period, the senior project team worked closely with the San Luis Obispo Children’s Museum to develop a new interactive exhibit for the museum’s Science, Technology, Engineering, and Mathematics (STEM) floor. The initial budget given for this project was $3,000. The museum’s requirements for a new exhibit were that it must be safe for young children to use, require minimal supervision, is interactive, has learning objectives, and is economically feasible and sustainable. The team chose to build an exhibit that would teach young children about simple circuitry and electronics.
First, extensive research of circuits, children’s …
Economic Analysis And Justification For Automated Welding Systems, Roxanne Raye
Economic Analysis And Justification For Automated Welding Systems, Roxanne Raye
Industrial and Manufacturing Engineering
This report looks at designing a new welding process for a company in the Oil & Gas industry, ensuring method consistency and performance quality of their steel drill bit while increasing overall production. The current product is welded manually with a flux core wire, resulting in high cycle times and numerous cases of required rework.
The use of automation systems will be analyzed for their increased consistency, quality, safety, and production estimates. Specifically robotic cell design will be considered, since it can work on more parts with fewer operators, adding efficiency and flexibility to the production floor. Other areas of …
Analysis Of 3d Printer Schedule, Colin B. Mclane
Analysis Of 3d Printer Schedule, Colin B. Mclane
Industrial and Manufacturing Engineering
With recent innovations in technology, 3D printing has become a rapidly expanding manufacturing method that is being used for a wide range of applications. Their ability to build parts layer by layer instead of cutting away initial material allows this method to have almost no wasted material, creating the potential for a much more efficient, cost effective process. In order to continue the growth of this manufacturing strategy, the performance of 3D printers need to be enhanced to ensure equal or higher quality of produced parts in comparison to other manufacturing methods that are more commonly used. One important part …
Database Design For The Collection And Visualization Of Sustainabilty Data, Henry A. Kozlowski, Nikhila Perugupalli
Database Design For The Collection And Visualization Of Sustainabilty Data, Henry A. Kozlowski, Nikhila Perugupalli
Industrial and Manufacturing Engineering
The goal of the project was to create a database that would be a repository for the high volume of sustainability data Illumina would like to collect. To couple with the database the project team’s goal was to design a system for visualizing the data graphically. Illumina required a database system that would be user-friendly, easy to add, delete, and edit data inputs, as well as a program that would allow the user to easily sort and graph data. The intent of the graphical representation of the data is to publish the graphs in a monthly report that would be …
Small Scale Erp Engine Design, Colyn Muir Dickson, Matthew Wade Haymond
Small Scale Erp Engine Design, Colyn Muir Dickson, Matthew Wade Haymond
Industrial and Manufacturing Engineering
This project set out to create a 1) low-cost, 2) dynamic, and 3) user-friendly small scale ERP software tool. These three key attributes position this product against complex and expensive systems such as SAP or Oracle. While the product still retains the dynamic and financial capabilities any good ERP system should have, the biggest value proposition is its simple and user-friendly interface. The software has a dual product-market fit: for small businesses as a low-cost planning tool, and for universities as a teaching tool. In the design phase, the team kept a primary focus on ergonomic software development while maintaining …
Dcpp/Polygait Inventory Control System, Logan Pace, Robert Garlinghouse
Dcpp/Polygait Inventory Control System, Logan Pace, Robert Garlinghouse
Industrial and Manufacturing Engineering
This report discusses a proposed system to improve upon inventory management issues experienced in the M&TE Tool room for the PG&E Diablo Canyon Power plant. Effective inventory tracking and management is an important characteristic of any organization handling physical assets, and without the proper system in place, companies may lose expensive items and waste time by not having equipment available when needed. The tool room is experiencing inventory shrinkage of M&TE equipment nearing $100,000 per year largely because of an inefficient checkout system that fails to keep employees accountable for the tools they check out. Even more costly than the …
Quality Improvement At Patio Pacific, Petdoors, Tri Minh Nguyen, In Woo Suh
Quality Improvement At Patio Pacific, Petdoors, Tri Minh Nguyen, In Woo Suh
Industrial and Manufacturing Engineering
Quality is key in manufacturing any type of product. Customer expectations only rise with time, and it has become more crucial than ever for companies to produce quality products to survive. This project sets out to improve quality of flagship products at Patio Pacific. This report contains the background of the company, Patio Pacific, the process of finding critical problems, and the methodology to solve them.
Customer returns and inquiries have the ability to eat up cash flow in any type of company. This senior project sets out with introduction of the project that explains how the project came about, …
Strasbaugh Nonconforming Report Optimization, Eden Andersen, Angela Asgekar, Rebecca Gregg
Strasbaugh Nonconforming Report Optimization, Eden Andersen, Angela Asgekar, Rebecca Gregg
Industrial and Manufacturing Engineering
This paper strives to convey the problems and proposed solutions for Strasbaugh’s Nonconforming Report (NCR) Optimization. Strasbaugh is a world leader in silicon wafer polisher and grinder technologies. After a significant down size to the company parts they used to manufacture now have to be purchased, and many of these incoming parts do not conform to Strasbaugh’s high standards. This has led to an increase in NCRs that need to be processed, which takes up time, resources and money.
The objective therefore became to update the multi-sheet carbon copy paper system to better optimize the use of these reports and …
Developing Entrepreneurial Thinking In Engineering Students By Utilizing Integrated Online Modules, Ronald S. Harichandran, Maria-Isabel Carnasciali, Nadiye O. Erdil, Cheryl Q. Li, Jean Nocito-Gobel, Samuel Bogan Daniels
Developing Entrepreneurial Thinking In Engineering Students By Utilizing Integrated Online Modules, Ronald S. Harichandran, Maria-Isabel Carnasciali, Nadiye O. Erdil, Cheryl Q. Li, Jean Nocito-Gobel, Samuel Bogan Daniels
Mechanical and Industrial Engineering Faculty Publications
An approach to develop entrepreneurial thinking skills in engineering students by integrating online modules into existing courses is described. Eighteen online modules covering a variety of topics will be developed. Developers for the modules are selected by reviewing proposals submitted in response to a broadly distributed request for proposals. Developers undergo extensive training before embarking upon module development. Students will complete each standalone module outside of class hours. Instructors who deploy a module in their course will develop contextual course assignments that reinforce concepts covered in the modules. These instructors also undergo training and are assisted by an external consultant. …
Warpage And Shape Distortion In Laser Metal Sintering, Xuan Wang
Warpage And Shape Distortion In Laser Metal Sintering, Xuan Wang
Industrial and Manufacturing Engineering
Selective Laser Sintering (SLS) is the primary method to fabricate metal and ceramic components in additive manufacturing. Due to the anisotropy of powder material, the sintering rate difference will inevitably causes shape change, distortion , and other defects of sintered parts. In this paper, a continuum model was developed to simulate the SLS process. The developed model has been successful to predict sintering kinetics. The impact of processing parameters, such as laser power, scanning speed, hatching distance, and particle size has been studied . The proposed method provides an innovative tool to optimize SLS process parameters.
Investigating Cavitation Peening Parameters For Fatigue Performance Using Designed Experiment, Mohammadsadegh Mobin, Afshan Roshani, Mahmood Mobin, Ali Rastegari
Investigating Cavitation Peening Parameters For Fatigue Performance Using Designed Experiment, Mohammadsadegh Mobin, Afshan Roshani, Mahmood Mobin, Ali Rastegari
Mohammadsadegh Mobin
Mechanical surface enhancement techniques such as cavitation peening (CP) have various design parameters which can affect the fatigue performance of the part. In this study, a full factorial design of experiment is applied to investigate the effects of cavitation peening process parameters on the fatigue performance of carburized steel. These parameters include standoff distance, cavitation number, nozzle size, and exposure time. The response variables considered in this experiment include residual stress, surface roughness and austenitic ratio. Results obtained from full factorial design of experiment method were compared with the results from literature which applied Taguchi method. The comparison revealed that …