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Articles 16051 - 16080 of 30247

Full-Text Articles in Mechanical Engineering

Proof Of Concept Planetary Lander Test Article, Aja Hartman, Heather Montgomery, Shane Hereford, Grant Goyette Jun 2015

Proof Of Concept Planetary Lander Test Article, Aja Hartman, Heather Montgomery, Shane Hereford, Grant Goyette

Mechanical Engineering Senior Theses

The goal of this proof of concept planetary lander is to safely deliver an exploration rover to a planet surface. This lander was designed to be used as the last stage of landing in the existing entry, descent, and landing procedures used in previous Mars missions. The design improved upon past missions to Mars by reducing risk of failure during landing by utilizing a passive system with no electronics or control systems while also increasing landing site accuracy. These goals were accomplished by incorporating external crushable materials and internal damping systems. Five drop tests of our final design were completed. …


Might-E Wheel, Abigail Grills, Daniel Doke, Jared O'Rourke, Zach Jesberger Jun 2015

Might-E Wheel, Abigail Grills, Daniel Doke, Jared O'Rourke, Zach Jesberger

Interdisciplinary Design Senior Theses

Electric bikes are proving to be an increasingly reliable source of transportation, but with large price tags and existing conversion kits proving too complicated and unapproachable for the average user, commuters are failing to consider electric bicycles as an option. A prototype of a wireless, rear-wheel replacement to convert a bicycle from manual to full-power electric was built. This motorized wheel is called Might-E Wheel. Might-E Wheel was designed as the most approachable and user-friendly way to convert a bicycle from manual to full-power electric. Might-E Wheel was able to achieve a top speed of 27.5 km/h, a range of …


Mobile Music: A Musical Therapy Assistance Device, Alex Hildebrand, Tanner Malkoff Jun 2015

Mobile Music: A Musical Therapy Assistance Device, Alex Hildebrand, Tanner Malkoff

Interdisciplinary Design Senior Theses

Children suffering from Cerebral Palsy often undergo gait therapy in order to strengthen and coordinate their trunks and legs. The patients often feel unmotivated to perform their gait training because the physical movements associated with it are difficult and there is no immediate reward. Physical therapists (PT) will often play music as an incentive to get the children focused on their physical therapy, but this is inefficient and impedes the PT from analyzing and tuning the patients' gait. Mobile Music is a small device designed for automating musical therapy during gait training. In this paper, we go through several design …


One-Ride Human Powered Vehicle, Alex Fisher, Alex Sahyoun, Geoffrey Schmelzer, Brendan Taylor, C.J. Toy Jun 2015

One-Ride Human Powered Vehicle, Alex Fisher, Alex Sahyoun, Geoffrey Schmelzer, Brendan Taylor, C.J. Toy

Mechanical Engineering Senior Theses

This document discusses the design, analysis, manufacturing and testing of the One-Ride human powered vehicle which was entered into the 2015 ASME West Coast HPVC Competition. The goal of the vehicle is to entice people to switch from gas powered vehicles to the One-Ride for trips of up to 20 miles round trip. The One-Ride design features fully adjustable seating and steering positions and was designed to fit anyone between the heights of 5'2" and 6'4" comfortably. The seat is adjusted using metal sliders, manufactured in the SCU machine shop, which fit into brackets attached to the frame. The bike …


Uavino, Matthew Belesiu, Aaron Chung, Kirby Linvill, Nathan Carlson, Phillip Coyle, Megan Peekema Jun 2015

Uavino, Matthew Belesiu, Aaron Chung, Kirby Linvill, Nathan Carlson, Phillip Coyle, Megan Peekema

Interdisciplinary Design Senior Theses

UAVino is a drone solution that uses aerial imagery to determine the overall plant health and water content of vineyards. In general, the system focuses on automating crop inspection by taking aerial imagery of a vineyard, conducting post-processing, and outputting an easily interpreted map of the vineyard's overall health. The project's key innovation is an auto-docking system that allows the drone to automatically return to its launch point and recharge in order to extend mission duration. Long term, UAVino is envisioned as a multi-year, interdisciplinary project involving both the Santa Clara University Robotics Systems Laboratory and local wineries in order …


Wakeboard Winch, Eric Christensen Jun 2015

Wakeboard Winch, Eric Christensen

Mechanical Engineering and Technology Senior Projects

A wakeboard winch is a stationary device used to tow wakeboard riders through a body of water allowing riders to access locations that may be too shallow for boats or where motorboat restrictions apply. For this instance, the device will be intended to use on a small lake where motorized boats are prohibited but will also possess a transportable design so it may be used in other locations. Winches that can be purchased from manufacturers tend to be expensive and unaffordable for most people while many homemade winches tend to lack the same performance capabilities as manufactured winches. The principal …


Design And Implementation Of An Interactive Animatronic System For Guest Response Analysis, Brian Burns Jun 2015

Design And Implementation Of An Interactive Animatronic System For Guest Response Analysis, Brian Burns

Phi Kappa Phi Research Symposium (Archived)

In theme park based entertainment applications, there is a need for interactive, autonomous animatronic systems to create engaging and compelling experiences for the guests. The animatronic figures must identify the guests and recognize their status in dynamic interactions for enhanced acceptance and effectiveness as socially interactive agents, in the general framework of human-robot interactions. The design and implementation of an interactive, autonomous animatronic system in form of a tabletop dragon, Kronos, and the comparisons of guest responses in its passive and interactive modes are presented in this work. The dragon capabilities include a four degrees-of-freedom head, moving wings, tail, jaw, …


Conversion Casting From A36 Steel To Grey Iron, Chris Nichols Jun 2015

Conversion Casting From A36 Steel To Grey Iron, Chris Nichols

Mechanical Engineering and Technology Senior Projects

Conversion castings are used in manufacturing to reduce time and costs of the production of machined parts. This project incorporated a machined production component from a local manufacturer and designed and produced an equivalent component using the casting process. The casting material chosen needed to be able to withstand all tension and compression forces when the component is used in service along with locations and dimensions of holes needed to be in accordance with all specified tolerances. The casting design process had to account for draft issues, shrinkage during material solidification, porosity and internal cavities formed during solidification, and overall …


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 Jun 2015

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 …


Victair Mistifier Gearbox: Metal Casted Housing, Gabe Bruno, Casey Mcfarlen, Ricky Skinner Jun 2015

Victair Mistifier Gearbox: Metal Casted Housing, Gabe Bruno, Casey Mcfarlen, Ricky Skinner

Mechanical Engineering and Technology Senior Projects

The current global population is 7.2 billion. It is projected to increase by 1 billion over the next 12 years. There is only 5% of usable farming land left on earth. Food is a resource that humans must consume daily. These facts undeniably lead to a shortage of food in the future. It is essential to mankind survival that farming becomes more efficient and sustainable. This provided the motivation to design a more efficient transmission for the Victair Mistifier (orchard and vineyard sprayer). Victair Mistifiers are designed, engineered, and manufactured by H.F. Hauff Company in Yakima, WA. The Hauff Company’s …


Small Scale Erp Engine Design, Colyn Muir Dickson, Matthew Wade Haymond Jun 2015

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 …


Tesla Motors Quality Engineering Application And Implementation, Nick Kwan Jun 2015

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 …


Database Design For The Collection And Visualization Of Sustainabilty Data, Henry A. Kozlowski, Nikhila Perugupalli Jun 2015

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 …


Industrial Engineering Consulting, Blake J. Ahrold, Torrey M. Plana Jun 2015

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 …


Strasbaugh Nonconforming Report Optimization, Eden Andersen, Angela Asgekar, Rebecca Gregg Jun 2015

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 …


Designing A Supply Chain For Wine Imports, Italy To California, Neil Magnuson, Sam Bucher Jun 2015

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:

Intrusion Detection In Aerial Imagery For Protecting Pipeline Infrastructure, Paheding Sidike, Almabrok Essa, Vijayan K. Asari Jun 2015

Intrusion Detection In Aerial Imagery For Protecting Pipeline Infrastructure, Paheding Sidike, Almabrok Essa, Vijayan K. Asari

Electrical and Computer Engineering Faculty Publications

We present an automated mechanism that can detect and issue warnings of machinery threat such as the presence of construction vehicles on pipeline right-of-way. The proposed scheme models the human visual perception concepts to extract fine details of objects by utilizing the corners and gradient histogram information in pyramid levels. Two real-world aerial image datasets are used for testing and evaluation.


Improving Student Learning Experience In An Engineering Graphics Classroom Through A Rapid Feedback And Re-Submission Cycle., Vimal Viswanathan, Maria Charlton Jun 2015

Improving Student Learning Experience In An Engineering Graphics Classroom Through A Rapid Feedback And Re-Submission Cycle., Vimal Viswanathan, Maria Charlton

Faculty Publications, Mechanical Engineering

Improving Student Learning Experience in an Engineering Graphics Classroom through the Mastery Approach Pictorial representation of three-dimensional objects has been one of the oldest forms of communication. Engineering graphics courses deal with the art of documenting three dimensional objects in two-dimensional format. Prior literature shows that graphics communication is a key skill for an engineer to possess. However, students in engineering graphics classrooms struggle to understand the concepts being taught due to a variety of reasons including poor visualization skills, limited class time, huge class sizes and unavailability of simple demonstrations. Most of the schools offer this course in the …


An Automated Solution For Analyzing Supply Chain Performance, Paul Ringelstein Jun 2015

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 …


Analysis Of 3d Printer Schedule, Colin B. Mclane Jun 2015

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 …


Cost Effective Analysis Of Big Data, Steven J. Litzsinger, Nehad Dababo Jun 2015

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 …


Design Of An Automated Vehicle Detection System For Bicycles: Fireworks Cycling Sensor, Jason Cheng, Peter Kim, Tory Morgan, Clayton Young Jun 2015

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 …


Economic Analysis And Justification For Automated Welding Systems, Roxanne Raye Jun 2015

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 …


Dcpp/Polygait Inventory Control System, Logan Pace, Robert Garlinghouse Jun 2015

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 Jun 2015

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, …


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 Jun 2015

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. …


Non-Wetting Surface-Driven High-Aspect-Ratio Crystalline Grain Growth For Efficient Hybrid Perovskite Solar Cells, Cheng Bi, Qi Wang, Yongbo Yuan, Zhengguo Xiao, Jinsong Huang Jun 2015

Non-Wetting Surface-Driven High-Aspect-Ratio Crystalline Grain Growth For Efficient Hybrid Perovskite Solar Cells, Cheng Bi, Qi Wang, Yongbo Yuan, Zhengguo Xiao, Jinsong Huang

Department of Mechanical and Materials Engineering: Faculty Publications

Large-aspect-ratio grains are needed in polycrystalline thin-film solar cells for reduced charge recombination at grain boundaries; however, the grain size in organolead trihalide perovskite (OTP) films is generally limited by the film thickness. Here we report the growth of OTP grains with high average aspect ratio of 2.3–7.9 on a wide range of non-wetting hole transport layers (HTLs), which increase nucleus spacing by suppressing heterogeneous nucleation and facilitate grain boundary migration in grain growth by imposing less drag force. The reduced grain boundary area and improved crystallinity dramatically reduce the charge recombination in OTP thin films to the level in …


Shark Alert: Early Warning System, Cory Peterson, Marc Rauschnot, Taylor Mcclain Jun 2015

Shark Alert: Early Warning System, Cory Peterson, Marc Rauschnot, Taylor Mcclain

Electrical Engineering

The Shark Alert Early Warning System is a device geared toward avid beach goers such as surfers, divers, and swimmers. The system is composed of an ultrasonic transmitter mounted on a shark’s dorsal fin and a receiver worn by the user around the ankle. The receiver alerts the user to the presence of a shark upon ultrasonic signal detection.

The receiver warns the user through both visual and tactile (vibration) alerts to ensure user notification. This circuit was built and tested in the EE labs and Recreation Center pools to determine transmission range. The receiver detects the transmitted signal up …


Forest Sign Maker, Victor Espinosa Iii, Kevin Ly, Lisa Yip Jun 2015

Forest Sign Maker, Victor Espinosa Iii, Kevin Ly, Lisa Yip

Mechanical Engineering

Executive Summary:

The Inyo National Forest is arguably one of the most beautiful locations in California, containing natural masterpieces such as Mount Whitney and the Ancient Bristlecone Pine Forest. Despite its magnificence, the Inyo National Forest can be a treacherous region. The Friends of the Inyo take pride in being able to facilitate the viewing experience for all outdoorsmen by maintaining the mountain trails, which includes providing adequate trail signage.

Unfortunately, there is a fundamental issue with the recent state of trail signage in the Inyo National Forest: the rate at which signs are being vandalized or naturally destroyed is …


Freedom Ski, Toby A. Goldsteinholm, Ashley Scharff, Justin Satnick, Markus Rutner Jun 2015

Freedom Ski, Toby A. Goldsteinholm, Ashley Scharff, Justin Satnick, Markus Rutner

Mechanical Engineering

The current availability of water skis for people who are paraplegic or quadriplegic is very limited. The aim of our project is to design a system that improves upon the current models of specialized water skis. Our intent is to create a waterski system that is structurally stable and handles responsively, in order to ensure that anyone is capable of effectively using our system to waterski.

The main client of our project is Quality of Life Plus, an organization that aims to aid veterans of the armed forces who have physical disabilities to still enjoy a good quality of life. …