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<title>Industrial and Manufacturing Engineering</title>
<copyright>Copyright (c) 2013 California Polytechnic State University All rights reserved.</copyright>
<link>http://digitalcommons.calpoly.edu/imesp</link>
<description>Recent documents in Industrial and Manufacturing Engineering</description>
<language>en-us</language>
<lastBuildDate>Fri, 25 Jan 2013 18:14:53 PST</lastBuildDate>
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<title>Preference-Driven Assignment Decision-Support System for Multiple Sets of Pairs</title>
<link>http://digitalcommons.calpoly.edu/imesp/102</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/102</guid>
<pubDate>Thu, 17 Nov 2011 12:22:13 PST</pubDate>
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	<p><strong><strong> </strong></strong></p>
<p>This project focuses on designing a computerized decision support system (DSS) to assist the Cal Poly Alumni Association with scheduling their Mustang Mentoring day. The current scheduling process is time intensive, error prone, and does not consider student preferences. The decision support system optimally generates multiple sets of pairs of students and mentors and schedules them avoiding conflicts and duplicates. The system was developed in Microsoft Excel using its Solver add-in. Excel was selected as the system platform also because of its relative popularity compared to alternative platforms. The DSS utilizes integer linear programming to maximize the total student satisfaction with their mentor assignments. The DSS replaces a process that used to take over an hour to one that takes less than ten minutes. The original process would have required employing 6 workers, while the new process requires only 1 worker to help generate assignments.</p>

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<author>Stephen J. Gilmore</author>


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<title>The Ergo Knife Manufacturability Project: a Prosthetic Device</title>
<link>http://digitalcommons.calpoly.edu/imesp/101</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/101</guid>
<pubDate>Thu, 11 Aug 2011 17:27:18 PDT</pubDate>
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	<p>Millions of Americans’ upper extremities have been rendered useless or amputated due to injury or illness. Without strength and dexterity in the hand or wrist, these people are in need of tools to help them in everyday activities. The Ergo Knife offers these individuals a way to cope with this way of life as a device that can assist them, primarily in food consumption and can also be expanded to many other applications.  The purpose of this project is to further develop the Ergo Knife so that it can better assist these individuals and improve the necessary processes used to produce the knife.</p>
<p>The design of the handle will be improved upon to create a better mechanical advantage and manufacturability of the product.  This will be accomplished by increasing the strength of the parts design and the processes that go into the production. The project will encompass an analysis of how the handle works, the construction and design of the mold, and a description of part production will be examined and improved upon so that the parts can be made as efficiently and easily as possible.  The molds will be made with silicone and the plastic used for the handle is a thermoplastic two part mixture.  A cost analysis of the product is also provided in order to see how to further the project into mass production.  Ultimately, the parts will be produced and tested so that they can be given to those suffering from upper extremity amputations, injuries, or loss of dexterity.</p>

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<author>Caleb Sarris</author>


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<title>The Analysis of Electure Creation &amp; Distribution Systems at Cal Poly</title>
<link>http://digitalcommons.calpoly.edu/imesp/100</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/100</guid>
<pubDate>Wed, 20 Jul 2011 09:46:29 PDT</pubDate>
<description>
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	<p>This report details the analysis of potential eLecture creation and distributions for Cal Poly San Luis Obispo. Specifically, this project will focus on a system for the College of Engineering.  This project was completed using the Systems Engineering process and concentrated more specifically on the Systems Evaluation phase, in which the specifics for potential system solutions are discussed. The first step was to define the problem that must be addressed; Cal Poly currently uses eLectures in the classroom, but with the wide variety of eLecture creator and distribution alternatives available, there is no optimal system at the University. The next step was to determine the functional requirements for an eLecture creation and distribution system based on the needs of three separate stakeholders: the students, professors, and IT department. Next, research was conducted to establish the different technological approaches that may meet the stakeholder’s needs, and consequently the system requirements. Finally, these alternatives were ranked in a functional requirements matrix to their ability to meet the system requirements.  Analysis determined that Panopto Focus (as Creator) & Panopto Focus (as Viewer) & iTunes U was the best choice for Cal Poly’s College of Engineering. There is a cost of $43,000 associated with implementing this system, and with a savings of $52,500, it will be paid back in 10 months after implementation.</p>

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<author>Jason Carian</author>


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<title>Microfiche Digitization and process Improvement for Cal Poly Senior Projects</title>
<link>http://digitalcommons.calpoly.edu/imesp/99</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/99</guid>
<pubDate>Wed, 20 Jul 2011 09:46:27 PDT</pubDate>
<description>
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	<p>This project addresses the need to digitize Senior Projects available on microfiche at the Cal Poly Robert E. Kennedy Library. Microfiche is an outdated document archival medium and is unfamiliar to most students, making Senior Project research inconvenient and frustrating to students. To make this process easier and more accessible to students, the University Library should consider digitizing its Senior Project collection and improving the current system in the mean time.</p>
<p>The Six Sigma DMAIC method was used to discover root cause problems of the current system, define performance metrics, and to develop data driven solutions for improving the current system of viewing and saving Senior Projects on microfiche. From this analysis, a new User Guide and visual aids were designed to help students navigate the microfiche reader machines and scanning software. Digitization opportunities were also analyzed in this study by examining student usage and Senior Project usage by year, contacting vendors for quotes, and investigating in-house digitization through digitization on demand. Based on the various alternatives, it was recommended to digitize Senior Projects in-house through a process called digitization on demand – where Senior Projects on microfiche are scanned and uploaded to the University Library’s digital Senior Project database (DigitalCommons@CalPoly) as students use the Senior Projects. This is the most affordable alternative, and will help immediately digitize frequently used Senior Projects, as well as give the University Library a much clearer idea of its digitization challenges and requirements for future digitization purposes.</p>

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<author>Kyle Gaunt</author>


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<title>Cardiac Staging Facility Workflow Redesign</title>
<link>http://digitalcommons.calpoly.edu/imesp/98</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/98</guid>
<pubDate>Wed, 20 Jul 2011 09:46:24 PDT</pubDate>
<description>
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	<p>This study analyzes and proposes Cardiac Staging nurse workflow improvements along with a new Cardiac Staging facility design at French Hospital. Currently, patients spend an expected 125 minutes in Cardiac Staging. It was found that 60% of the time in Cardiac Staging was spent waiting to be transferred into the Cath Lab. The following Industrial Engineering methods were utilized to eliminate waste in staging and design a new staging area:</p>
<p> Use of Lean and Six-Sigma tools to recommend new patient arrival time</p>
<p> Manufacturing product scheduling to reduce patient wait time</p>
<p> Use of facility redesign techniques to improve flow and patient holding capacity</p>
<p>With application of the recommendations, the Cath Lab department can reduce patient waiting time by 75%, decrease scheduling variability, and increase patient holding capacity by up to four times.</p>

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<author>Ryan Chang</author>


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<title>Chevrolet Upper Control Arm Re-Design</title>
<link>http://digitalcommons.calpoly.edu/imesp/97</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/97</guid>
<pubDate>Wed, 20 Jul 2011 09:46:22 PDT</pubDate>
<description>
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	<p>The purpose of this project is to design and manufacture an improved upper control arm for a 1988-1998 Chevrolet K2500 truck. This component controls the suspension of a vehicle and will be redesigned to improve the many shortcomings of the current design. The objectives of this project were met by redesigning the stock upper control arm, designing and manufacturing a weld fixture, manufacturing a prototype component, and performing a cost analysis. This component was designed to improve performance, reliability, serviceability and strength while maximizing manufacturability. The fixture and upper control arm were manufactured using computer aided design, CNC methods and welding. Successful prototype fabrication has resulted in the evaluation of small, medium, and large production volumes. Recommendations have been made for the future direction of this component.</p>

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<author>Christopher McLean</author>


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<title>Antique Aircraft Avionics Modernization:  Process and System Design for a Transponder Installation in a 1946 Luscombe 8A</title>
<link>http://digitalcommons.calpoly.edu/imesp/96</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/96</guid>
<pubDate>Wed, 13 Jul 2011 17:57:39 PDT</pubDate>
<description>
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	<p>The general aviation population is full of vintage aircraft. Built in the heyday of personal aviation, these machines embody the spirit of aviation; freedom afforded from the everyday monotony of earthbound people. As technology advanced and air traffic became more congested, new requirements were set forth by governing bodies to ensure the safety of aircraft. These regulations limited the capability of vintage general aviation aircraft. This report was commenced to understand the necessary steps required to add modern technology to old aircraft, as well as design a system that would enhance the capability of vintage aircraft while keeping their antique personality intact. This system was achieved with a Sandia 165 transponder and a Tenergy lithium polymer battery pack. Regulations research showed that biennial, in‐depth inspections would be required to maintain compliance in the national air traffic system. There were also operation requirements, including a requirement to operate the transponder at all times when the aircraft was flying. These regulations were secondary, however, to the freedom regained by the pilot to be unencumbered with any airspace concerns. The cost of the system would be approximately $2,500.  Based on a study of rerouting procedures, an estimate of a 10% increase in efficiency was determined. This indicates that the investment would be recouped after approximately 780 cross country hours in congested airspace.</p>

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<author>Nicholas Camacho</author>


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<title>Hardy Diagnostics Facility Redesign</title>
<link>http://digitalcommons.calpoly.edu/imesp/95</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/95</guid>
<pubDate>Wed, 13 Jul 2011 16:06:55 PDT</pubDate>
<description>
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	<p>This senior project is a facilities design for the plate production room at Hardy Diagnostics. This project was completed using a systematic layout planning approach. The main reason for this redesign was to consolidate all plate line production into one room. This would ensure better visability for the managers. After the project was defined, the different departments were established and the relationships between those departments were found. The space requirements needed for those departments were then measured out to also include the aisle widths and any machinery or carts needed to complete each function. Having determined all requirements for this facility, three layouts were generated. The first layout is called the horizontal layout because of the direction of all of the plate lines. The second is called the vertical layout because all the plate lines are positioned vertically. The last is called the modified vertical layout because it is similar to the vertical layout with modifications on the plate line locations. After evaluating each layout, the modified vertical layout was chosen. The implementation costs about $3,880.00 with a payback period of approximately 3 years.</p>

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<author>Jamie W. Lam</author>


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<title>Ackermann Steering Geometry Applied to a Skateboard Truck</title>
<link>http://digitalcommons.calpoly.edu/imesp/94</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/94</guid>
<pubDate>Wed, 13 Jul 2011 16:06:42 PDT</pubDate>
<description>
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	<p>Conventional skateboard trucks are currently unable to meet the challenges of the modern enthusiast. They are lacking in key performance metrics such as handling, stability, and traction. Longboard enthusiasts, whom rely heavily on handling performance, are hungry for new and innovative technology to help bring the sport to the next level. The aim of this project was to solve these problems by applying specific aspects of automotive steering geometry and best engineering practices. Three successive prototypes were designed, with the first two prototype sets being manufactured and extensively tested. The first prototype served as a proof of concept, but suffered from design and manufacturing complexities and would have been too expensive to be mass produced. Positive and negative feedback was obtained from enthusiasts which was used to design the second prototype set. More testing was done and while the second prototype set showed major improvement across all key metrics, problems still existed. A third prototype design was developed to solve the remaining problems and is currently being manufactured. Overall, the result of the project is a longboard truck system that is superior to current products in terms of stability and handling. Its simple design and ease of manufacture allow for a potentially very competitive price point. Furthermore, the new technology will be a basis for future developments and refinement much like the roller skate truck has been since the 1940s.</p>

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<author>Daniel D. Downs</author>


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<title>A Database Design for CVS Pharmacy&apos;s Patterson, California Distribution Center</title>
<link>http://digitalcommons.calpoly.edu/imesp/93</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/93</guid>
<pubDate>Tue, 12 Jul 2011 08:35:14 PDT</pubDate>
<description>
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	<p>CVS Pharmacy’s Patterson, California Distribution Center did not have an efficient and cost effective method for auditing shipped out products. The purpose of this project was to create a new system and procedure for the Patterson Distribution Center to audit shipped out container totes. The distribution center’s original method was slow, inefficient, and involved paper waste, considerable travel time, and several manual procedures. This project was meant to develop a new process and database system to provide a solution to their problem. The end goal of this project was to implement the designed method and system of auditing for daily use in the distribution center.</p>

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<author>Jason Kenneth Okajima</author>


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<title>Electroluminescent (EL) Wire Soldering Solution</title>
<link>http://digitalcommons.calpoly.edu/imesp/92</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/92</guid>
<pubDate>Tue, 12 Jul 2011 08:35:11 PDT</pubDate>
<description>
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	<p>Electroluminescent (EL) wire is a unique kind of wire because it glows when attached to a power source. EL wire has many applications, both creative and practical. For example: Burning Man enthusiasts like to adorn their clothing with the flexible wire, and emergency responders use it to mark off accidents on the road at night. What makes EL wire glow is the electrical reactions between its copper wires and phosphor coating. The problem with this wire, however, is that it is very difficult to connect it to a battery. This is due to the wire’s structure. Beneath its protective plastic shielding, EL wire has a core copper wire, double wrapped with a very fine pair of copper wires. These fine copper wires are hard to solder to, and can break without much effort. Standard soldering methods use a basic alligator tooth style double clamp to hold EL wires in place for soldering. This device is very poorly made, as one must tighten and re-tighten every moveable joint for a precision solder. Adjusting these clamps can be maddening, especially when many EL solder joints must be made. There must be a better way to terminate EL wire, therefore various connection methods are considered as possible solutions. They are: improved hand soldering, machine soldering, conducive epoxy, and crimping. Ultimately it was decided that an improved solder technique would prove to be the best solution. And it entailed manufacturing a custom fixture that would hold the EL wire for easy soldering. The design went though many phases and was tested to see if it commanded a faster soldering time over its clamping counterpart. The results suggest the fixture has a mean soldering time that is statistically significantly less than the mean soldering time of the alligator clamps, with ninety-five percent confidence. An economic analysis determined that if even just one electrician were to try to profit off of making EL wire assemblies, working either full-time or part-time, he or she would save money in labor hours by purchasing the fixture. A hobbyist on the other hand, who makes only a few EL wire assemblies a month, might be stretching his or her wallet too far by spend the money for the fixture. The bottom line is that if someone stands to make a profit off EL wire assemblies, or is serious about making all kinds of EL artwork, this fixture will save the user time.</p>

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<author>Sean Mitchell</author>


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<title>5S Implementation Plan for the Shipping Department at Helical Products Co.</title>
<link>http://digitalcommons.calpoly.edu/imesp/91</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/91</guid>
<pubDate>Tue, 12 Jul 2011 08:35:08 PDT</pubDate>
<description>
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	<p>Helical Products Company is a business that manufactures flexure products, such as couplings and u-joints. As part of a movement towards lean manufacturing, Helical Products Company of Santa Maria, California is in need of a principle that will help them continuously improve their shipping department. A study of 5S, a lean principle focused on waste reduction, will be done to investigate opportunity for implementation. A literature review takes a peek on research of lean manufacturing history, lean workbook/ tutorials and lastly case studies and journal articles. The output of research provides a design plan for Helical using 5S and other lean principles compatible with 5S, such as error proofing and Value Stream Mapping. A list of suggestions based on analysis and feedback from the Helical shipping department is provided. Lastly, a 5S manual catered for Helical Products Company is attached in the appendix.</p>

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<author>Eric William Walker</author>


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<title>Warehouse Design for POLYGAIT</title>
<link>http://digitalcommons.calpoly.edu/imesp/90</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/90</guid>
<pubDate>Tue, 12 Jul 2011 08:35:06 PDT</pubDate>
<description>
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	<p>Professor Tali Freed, advisor of POLY GAIT, needs a warehouse built to accommodate the testing of Radio Frequency Identification (RFID) technology with Automatic Storage and Retrieval Systems (AS/RS). This report explores a 5-step warehouse designing technique. The five steps are as follows: Overall Structure, Sizing and Dimensioning, Operation Strategy Selection, Equipment Selection, and Department Layout. Each of these is analyzed in turn to cover everything necessary in designing a warehouse. Furthermore, a cost analysis was conducted in order to give Professor Freed a better understanding on the cost required to build this warehouse. A smaller 25’x22’ foot is optimal because it would meet all the requirements set by Professor Freed and would cost the least (about $45,000). Lastly a basic simulation model was be created in order to provide POLY GAIT with a tool to input their data once it is collected to test the AS/R system without the cost of actually using it.</p>

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<author>Colby Spear</author>


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<title>Efficient Operations and Procedures of Children&apos;s Museums</title>
<link>http://digitalcommons.calpoly.edu/imesp/89</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/89</guid>
<pubDate>Tue, 12 Jul 2011 08:35:03 PDT</pubDate>
<description>
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	<p>Due to the recent economic downturn, the San Luis Obispo Children’s Museum’s budget has been reduced by half. The entrepreneurial Museum Director is searching for ways to cut costs and increase revenue. This project aimed to apply Lean methodologies, traditionally used in manufacturing organizations, to the Museum, a non-profit service organization.</p>
<p>The project objectives were to have an organized storage area using principles of 5S; determine excess inventory; consolidate available exhibit information; create guidelines for exhibit production to ensure high quality exhibits with sufficient user documentation are created; perform a sampling of exhibit use in order to have a list of exhibits ranked by popularity; identify areas of waste and initiate record-keeping in these areas as basis for future projects.</p>
<p>The storage area was organized, but 5S was not fully applied because the labeling and storage containers were not standardized. Before and after photos of the storage area are shown in Figures E2 and E3. Some excess inventory was identified, but more is still likely to be found in the front office and the business offices. Exhibit information was consolidated and the<em><em> Guidelines for Exhibit Production </em></em>were completed and implemented. Exhibit sampling was performed, but lacked scope. Further sampling should be performed over a greater number of days. <strong><strong></p>
<p>Figure E2: Storage area, before 5S  </strong></strong></p>
<p>This project found that applying Lean methodologies in a non-profit, service organization was effective in producing both the quantitative and qualitative benefits typically seen in traditional applications in manufacturing organizations. Yet, these benefits will be short-lived at the Museum if lean thinking is not adopted across the entire organization and the organizational culture is not transformed into a Lean culture. Many more areas of the building would benefit from 5S implementations.</p>
<p><strong><strong></p>
<p>Figure E3: Storage area, after 5S  </strong></strong></p>
<p>Future Directions include making exhibit improvements; tracking birthday party costs and attendance, and inventory use; determining optimal staffing levels; and locating all inventory in various areas of the building by performing 5S.</p>

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<author>Siobhan Sullivan</author>


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<title>Emergency Response Manufacturing:  Lead Time Minimization and Human Factors for Ozone Water Filter Assembly and Kitting Process</title>
<link>http://digitalcommons.calpoly.edu/imesp/88</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/88</guid>
<pubDate>Tue, 12 Jul 2011 08:35:00 PDT</pubDate>
<description>
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	<p>In the unfortunate event of a natural disaster affecting San Luis Obispo, response from national entities cannot be relied upon for a timely or efficient response. Local disaster recovery is superior because it minimizes response time, the need for costly stockpiling and creates a solution that is uniquely suited to the community that empowers local people in their most troubled times. Extensive planning is required for local disaster recovery and this project aims to provide the research and recovery system design required to implement an effective recovery plan.</p>
<p>Potable water is the primary need for people in the disaster situations described in this paper. San Luis Obispo has the local manufacturing capability to meet all of the cities potable water needs.</p>
<p>Clearwater Technology is a leading manufacturer of Ozone generating equipment. Using a modified version of their skid mounted ozone filtration unit, filters can be deployed at Red Cross disaster shelters. To accomplish effective deployment filtration units will have to be assembled faster than Clearwater can typically build products and under very unfavorable circumstances. To reach this ambitious goal Industrial Engineering techniques including lead time reduction, set up time reduction, human factors and design for assembly must be employed. The main focus of this project is improving the parts kitting process with respect to lead time minimization and human factors considerations. Research in these topics provides an additional benefit to Clearwater Technologies who can implement these strategies to take advantage of numerous cost benefits. The results of this project yielded significant monetary savings from reduced parts kitting time as well as from reduced repetitive strain as a result of human factors recommendations. A disaster contingency guide was delivered to Clearwater detailing how all necessary activities should be accomplished in a minimum amount of time. The mutually beneficial nature of preparing the city for disaster, giving students valuable design experience and improving Clearwater’s day to day operations provides a proof of concept for the envisioned Cal Poly Responding to Emergencies using Local Industry (RELI) center. It is a hope of this project that this vision will be brought to reality through the continued efforts and collaboration of Cal Poly students and local industry.</p>

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<author>Travis Gary</author>


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<title>MS Access Database Designed for Community Service Office</title>
<link>http://digitalcommons.calpoly.edu/imesp/87</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/87</guid>
<pubDate>Tue, 12 Jul 2011 08:34:57 PDT</pubDate>
<description>
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	<p>The purpose of this senior project is to reduce the number of data entry errors in the community service worker system at the EcoSLO office. EcoSLO is a community service office located in San Luis Obispo, CA that seeks to better the environment through various events and programs such as recycling projects and environmental clean-up projects. Currently the EcoSLO office uses Microsoft Excel to store and keep track of community service workers. A Microsoft Access database will be designed to help minimize data entry errors and to make it easier to generate reports that must be submitted to the San Luis Obispo County Court. This senior project also includes a proposal for using Microsoft SharePoint, a web-based collaborative enterprise software platform.</p>

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<author>Juan P. Ojeda Pedraza</author>


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<title>Human Resources Recruitment Management Plug-In for Enterprise Resource Planning Systems</title>
<link>http://digitalcommons.calpoly.edu/imesp/85</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/85</guid>
<pubDate>Tue, 12 Jul 2011 08:34:52 PDT</pubDate>
<description>
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	<p>Enterprise Resource Planning (or ERP in short) systems today are a backbone of most large United States and international corporations. Around the 1990s these companies transitioned from using different software packages for each business unit to using the modules of Enterprise Resource Planning system for the business unit’s specific needs. Some functionality was lost. Human Resource function of recruitment was one example of large functionality left out of Enterprise Resource Planning systems such as SAP or PeopleSoft. As a result, these large companies turned to 3rd party Applicant Tracking Systems to manage recruitment and subsequently created redundancies in workflow, increased spending, and missed on opportunity to utilize the full Enterprise Resource Planning functionality for their Human Resource department.</p>
<p>This senior project proposes a plug-in to extend the functionality of Enterprise Resource Planning applications to include the recruitment of new employees. Proof of concept for such plug-in is developed in this senior project and reviewed in this report. As a result of analyzing the changes between current process and the new process with the plug-in instead of Applicant Tracking System, the use of the plug-in saved an average large company of 10,000+ employees an estimated $160,000 yearly. Additionally, the plug-in showcased the potential for improvement in the speed of Human Resource department, increased visibility of Human Resource department spending, and potential to make the Human Resource staff more satisfied with their job.</p>

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<author>Alex Riabov</author>


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<title>San Luis Obispo Public Winery Transit System</title>
<link>http://digitalcommons.calpoly.edu/imesp/84</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/84</guid>
<pubDate>Tue, 12 Jul 2011 08:34:49 PDT</pubDate>
<description>
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	<p>This project designs a small scale transit system that runs between five wineries in San Luis Obispo.  San Luis Obispo County is known for its many wineries ranging up and down the central coast.  Transportation options for wine tasters are limited to tour bus, limousine, taxi, and private cars.  This does not leave an option for wine tasters who prefer a cheaper mode of transportation than limo, tour bus, or taxis, and do not want the hassle of driving and worrying about how much alcohol they consume.  Selection criteria methods were used to choose bus stop locations at a specified number of wineries.  In order to do this, a survey of Cal Poly students and surrounding wineries was taken and analyzed.  Operations research techniques were used to select an optimal route for the bus that will reduce travel time and waiting time for passengers.  Finally, a simulation verified the proposed solution and determined an optimal number of buses and ticket price.  The final design is integrated with the San Luis Obispo Transit System by connecting with the Downtown Transit Center in the city.  Five year projections show that implementation of this system will result in profits of $354,829 while offering San Luis Obispo community members a safer, cheaper, more convenient way to wine taste.</p>

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<author>Amanda Crissman</author>


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<title>Setup Reduction Time at a Batch Manufacturing Plant</title>
<link>http://digitalcommons.calpoly.edu/imesp/83</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/83</guid>
<pubDate>Tue, 12 Jul 2011 08:34:46 PDT</pubDate>
<description>
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	<p>This project documents the efforts to reduce setup times at a batch manufacturing culture media production plant. The company is one of the leading producers in medical and laboratory supplies, including culture media. In the production of culture media, the production line requires to switch between solutions once or twice a day depending on the production schedule.</p>
<p>The report provides the production plant with a concrete analysis of their current changeover method, which tends to be lengthy and complicated, and suggest alternatives in short and long term periods of time to reduce setup time.</p>
<p>After analyzing the time studies of the current changeover method, the problems at production process fall into two categories: disorganization in the work area and disorganization in the work distribution. Solving these problems would give as a result a time efficient changeover process, saving time, resources and money. Several short term and long term ideas were proposed to compensate for these problems, but only 6 short term alternatives and 5 long term alternatives are examined and analyzed in this report.</p>
<p>The short term alternatives analyzed to solve the problems are: adding a cleaning supply station, increase the area for certain items, paint boxes, storage more Petri dishes, put markers on Conveyor Belt and the application of the SMED method. The long term alternatives analyzed to solve the problems are: Door Relocation, inclusion of a second reactor, a new communication system, UV Sanitation System</p>
<p>The implementation of these alternatives will reduce the variability and increase efficiency in the changeover process in the production of culture media at the plant.</p>

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<author>Mario A. Aguilar</author>


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<title>Analysis of the Effectiveness of Passive Item-Level RFID Tags Utilized in Inventory Counts</title>
<link>http://digitalcommons.calpoly.edu/imesp/82</link>
<guid isPermaLink="true">http://digitalcommons.calpoly.edu/imesp/82</guid>
<pubDate>Tue, 12 Jul 2011 08:34:43 PDT</pubDate>
<description>
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	<p>In an effort to reduce the amount of manual labor associated with physical inventory counts of large warehouse type environments, a study was performed analyzing the effectiveness of item-level RFID to automate counts.  Products were selected based off of certain characteristics and tagged with passive RFID tags.  A design of experiment was developed specific to each product that best related to actual in store environments.  Experiments were conducted in the Poly GAIT lab.  Certain levels of analysis were performed and conclusions made specific to each product under question.</p>

	]]>
</description>

<author>Joshua (Josh) Gilbert</author>


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