{"title":"A simulation approach for medical manufacturing process improvement","authors":"Jazmin Furtado, Taiylar Mastey, Sara Menke","doi":"10.1109/SIEDS.2016.7489297","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489297","url":null,"abstract":"ABC Medical Manufacturing is a medical product development, assembly, and packaging company that has a paper-based method to track jobs through their assembly process. The paperwork often has errors, which can delay manufacturing steps and shipment, and cause the company to lose time and money. The project team conducted an in-depth analysis of the company's production process to look for areas of improvement. Through statistical analyses of data provided by the company, the team established error categorization, location, and probability of occurrence. To address this situation, the project team diagrammed the company's manufacturing floor and created a list of issues within each step of the manufacturing process as well as potential solutions to these problems. The team created a simulation of the manufacturing process and used this tool to analyze potential process changes to decrease the number of employee hours wasted in order to fix discrepancies. The simulation was created using probabilities based on assumptions that the management team and project team worked through together. The simulation helped visually represent what jobs create the most errors, how many errors occur per month, and how much money the company loses on time spent correcting the errors. Implementing a total quality management (TQM) system would conservatively reduce error counts by 71.3%. Implementing a start quantity to ABC's electronic system would conservatively reduce mean hours wasted from 22.60 to 21.73 hours per month and mean salary lost from $519.82 to $499.80 per month. Using insights from the simulation, the project team then coordinated with management to decide whether error counts or hours wasted and salary lost were more important to address. Currently, ABC is considering implementing a TQM system in order to decrease the number of errors each month.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121395785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Staci Colbacchini, Allison Gahafer, Lindsey McEvoy, B. Park
{"title":"Simulation of the support fleet maintenance of modern stealth fighter aircraft","authors":"Staci Colbacchini, Allison Gahafer, Lindsey McEvoy, B. Park","doi":"10.1109/SIEDS.2016.7489301","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489301","url":null,"abstract":"The F-35 Lightning II is a 5th Generation, multirole stealth fighter aircraft that is expected to replace the aging \"legacy fighters\" and their roles in our national defense. The plane was designed and is currently produced by Lockheed Martin. Lockheed Martin and the U.S. Air Force recognize that a proper information infrastructure is critical to sustaining a functional and mission ready aircraft fleet. Thus, to provide the information technology backbone and capabilities to support current and future Warfighters across the U.S. and allied military services, the U.S. Air Force started adapting a modern electronic information system. The F-35 has been equipped with an Autonomic Logistics Information System to allow operators the ability to plan ahead, to maintain, and to plan and sustain its systems of the newly created fleet. Within the system is a problem ticket system that serves as a means to resolve issues with F-35 systems. An Action Request System, which utilizes this ticketing system, to efficiently funnel the tickets to an appropriate engineering organization and back to the originator for issue resolution. This paper studies that ticketing process with the goal of creating a model that can be used to study and optimize the time it takes to move a ticket through the process from creation to closure (resolution). To best understand this problem, we have worked closely with the Luke Air Force Base Maintenance Group to create a discrete event simulation that exposes different bottlenecks in the current process. Using this simulation, we identify which stages in the process will benefit most from a reallocation of resources. The simulation tool will be used by the client to perform future analysis.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120964181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anne Moenning, Benton Turnbull, D. Abel, Christine Meyer, M. Hale, S. Guerlain, Donald E. Brown
{"title":"Developing avatars to improve cultural competence in US soldiers","authors":"Anne Moenning, Benton Turnbull, D. Abel, Christine Meyer, M. Hale, S. Guerlain, Donald E. Brown","doi":"10.1109/SIEDS.2016.7489288","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489288","url":null,"abstract":"Virtual systems have existed as a military training technique for several decades, initially implemented to rehearse combat scenarios and flight patterns in a safe environment. The U.S. Army has recently identified virtual role-play as an innovative and highly prioritized training method for cultural awareness as well as it has become clear that a number of avoidable conflicts ensue when members from one culture misunderstand or misinterpret those from another. Our team collaborated with Bohemia Interactive Solutions (BIS) and Alelo, Inc. to develop several virtual role-playing scenarios based in urban Afghanistan that allow soldiers to practice cross-cultural interactions in a safe environment using the Virtual Battlespace (VBS3) platform. We created two game-based scenarios that guide the user, represented as a virtual avatar, through cultural interactions such as common greetings, bartering in a traditional market, and discussing local concerns in a council setting. Dr. Lewis Johnson, Alelo CEO and co-founder, introduced our team to perspective taking. This technique, where the trainee experiences a scenario from the host national's perspective instead of his or her own, is a key component in our simulations. After running a handful of students through beta testing of our prototype, we received positive feedback about the value-add from perspective taking as well as cultural knowledge gained from the simulation as a whole.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121282515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Crop profit optimization for farmers","authors":"Jonathan Romero, Kody Smith","doi":"10.1109/SIEDS.2016.7489316","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489316","url":null,"abstract":"A tool was created to perform a systems analysis in order to optimize a farmer's profit based on the decisions that are faced during the planting season. The tool was created in Python so that it can be used on most computers without added cost to the user. This tool is a program that contains a database of crop needs in terms of required growing area per plant, water per plant, and growing time. The database also houses crop characteristics such as seed cost and average weight per plant. The program also prompts the user for the constraint values. These constraint values include water availability, amount of usable land, weight transportation limits, time to market, distance to local market, and local crop prices per pound. The input constraints allow the user to tailor the program to their specific conditions. If adopted during a farmer's decision period before the planting season, this optimization tool can analyze the parameters that are being faced in order to maximize profits. The current version of the program makes five key assumptions in order to form a problem with a computable solution. When all inputs have been entered, the tool computes the optimal combination of plants that can be grown in the given time frame that will maximize the farmer's profits at market.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"405 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133598682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Scott W. Barron, Y. Cho, Andrew Hua, W. Norcross, Jack Voigt, Y. Haimes
{"title":"Systems-based cyber security in the supply chain","authors":"Scott W. Barron, Y. Cho, Andrew Hua, W. Norcross, Jack Voigt, Y. Haimes","doi":"10.1109/SIEDS.2016.7489299","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489299","url":null,"abstract":"The importance of the many sources of risk to the supply chain has been recognized by the practitioners and leadership in this sector of the economy. Cyber security is paramount to the success of the supply chain sector, which constitutes a safety-critical system for the U.S. and global economy. The diverse consequences from a malevolent attack could adversely affect inventory, product quality, time of delivery and the multiple sequential chain-effects due to these interdependent and interconnected economies. As a team, we leveraged the knowledge that we have accrued throughout our academic career with the knowledge and experience of our Technical Advisor, Yacov Haimes. The vast research opportunities at the University of Virginia and the seminal contributions to the field of systems of systems risk analysis further enhanced this comprehensive report. Building on our research and on Hierarchical Holographic Modeling, we performed risk assessment and management. Furthermore, as a team, we developed an overview of this complex system of systems, and generated multiple scenarios of malevolent penetration to the supply chain. Then through the use of Risk Filtering and Risk Management we reduced the large number of risk scenarios to a small set of critical scenarios. To apply our modeling and analytical skills to an emergent \"risk\" we examined the impact of malevolent use of the three-dimensional (3D) printers might pose to the integrity of the supply chain and the possibilities of this revolutionary technology as a malevolent medium to decimate the safety-critical supply chain systems of systems. In sum, through the use of modeling and analyzing supply chains as complex systems of systems, and by identifying shared-states, resources, decisions, and other variables among the subsystems of the supply chain, we have been able to identify and isolate safety critical features of the supply chain.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129817689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Designing a high speed, stealthy, and payload-focused VTOL UAV","authors":"M. Becker, David Sheffler","doi":"10.1109/SIEDS.2016.7489294","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489294","url":null,"abstract":"Traditional intelligence, surveillance, and reconnaissance (ISR) missions conducted by the military and intelligence community typically are associated with high costs, slow response times, and inflexible designs. Current UAV technology has the potential for use in ISR, but typically copters are limited in speed, endurance, and payload capacity. As the technology develops, there is a growing interest in developing small-scale UAVs with vertical take-off and landing (VTOL) capability. A VTOL-capable UAV with autonomous and high-speed payload delivery will prove useful in ISR missions. The goal of this project is to develop a proof of concept design for a fixed-wing UAV with these capabilities along with improved endurance and stealth. An additive manufactured airframe and commercial off-the-shelf (COTS) components allow for low cost and rapid re-configuration. The completed design will incorporate multiple servos for a variety of control surfaces, a rear tilting motor for forward and vertical flight, an embedded lift fan system for vertical flight stability, and an Android-based control system for autonomous flight. Within this cross-disciplinary, multi-year project, the objectives for the 2015-16 year are: to begin understanding the flight controls and algorithms required for VTOL flight, to design the aerodynamic shape and final airframe, to understand how to integrate the software and hardware with the airframe, and to develop a flight rig to test VTOL transition capabilities using RC. Results presented in this paper include details behind the design and layout of electronic components and the building and testing of the flight rig. Hardware decisions for this aircraft were based on the following design requirements: control system allowing for both fixed wing and tri-copter airframes, ability to transition between vertical and horizontal flight within three feet after vertical lift off, sufficient battery power to allow for reasonable flight endurance, ease of packaging within the fixed wing airframe, compatibility with servo requirements, and a total system cost of less than $5K. The team found suitable COTS components that satisfied the program objectives at low cost. Functional testing of vertical and horizontal flight transitions with the rig is currently underway and autonomous flight capabilities are under development.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128193521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jane Bedrossian, L. Kerr, L. Robertson, Alexis Stewart, J. Suits, S. Patek, R. Valdez
{"title":"Critical design factors for information technology supporting type 1 diabetes management","authors":"Jane Bedrossian, L. Kerr, L. Robertson, Alexis Stewart, J. Suits, S. Patek, R. Valdez","doi":"10.1109/SIEDS.2016.7489311","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489311","url":null,"abstract":"During childhood, patients with Type 1 diabetes (T1D) are reliant on an informal caregiver (parent or guardian) for day-to-day disease management. Upon entering adolescence, patients are expected to adopt a greater role in self-management. However, adolescents often have difficulty adhering to management regimens, which can lead to poor health outcomes. There is a need for a technology that addresses the compound social and technical needs of these patients and their informal caregivers while filling the gaps of current information technology management tools. Through an IRB-approved process, group and individual interviews were conducted with ten adolescents with T1D ranging in age from 11-17 and informal caregivers. The purpose of these interviews was to learn about (1) adolescents' day-to-day management of T1D, (2) the role of the informal caregiver and (3) the role of technology in this management. Qualitative content analysis presented four key themes: the person (the adolescent and informal caregiver), the interactions between the adolescent and informal caregiver, interactions with technology, and physical environments where these interactions occur. These themes led to the development of user-centered design considerations. Final design recommendations included the importance of customization, integration with current T1D technologies, accessibility while maintaining security, and diabetes education. These findings provide insight into remote monitoring features that must be properly addressed in order to ease adolescents' transition to self-management and promote long-term adherence.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128434092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tien Bui, Marisa Grayson, Katie Hofer, Kyle McGuire, Michael Morrow, Noah Rodammer, Amani Farooque, L. Barnes, S. Patek
{"title":"Remote patient monitoring for improving outpatient care of patients at risk for sepsis","authors":"Tien Bui, Marisa Grayson, Katie Hofer, Kyle McGuire, Michael Morrow, Noah Rodammer, Amani Farooque, L. Barnes, S. Patek","doi":"10.1109/SIEDS.2016.7489286","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489286","url":null,"abstract":"This work seeks to design and develop a remote monitoring platform for tracking indicators of sepsis with the goal of reducing hospital readmissions and mortality rates, and ultimately improving outpatient quality of care. Medicare reports spending $17.8 billion per year on avoidable readmissions, a leading cause of which is sepsis. Insufficient knowledge and improper training for postoperative care of discharged patients further enhances the importance of sepsis monitoring at home. Common indicators of sepsis include infection, elevated heart rate, elevated breathing rate, blood pressure, and fever. While these criteria can be easily tracked within the hospital, there exists no straightforward extension to the home setting because of the confounding effect of physical activity. Some of the challenges associated with remote monitoring for sepsis in discharged patients include the lower sensory quality of mobile biometric devices, the need to recognize activity in non-stationary patients, and the need to individualize the baseline criteria. In order to broaden the criteria to outpatients, this research considers the challenges of collecting and analyzing patient biometrics remotely using commercially available technology. As a result, we present a remote monitoring solution for early detection of sepsis in the outpatient setting.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132263509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
C. Apgar, G. Schmidt, J. Wild, Z. Patterson, David Hieronymous, Paul Revesman, Jacquelyn K. S. Nagel
{"title":"Biomechanical energy harvesting using a knee mounted generator","authors":"C. Apgar, G. Schmidt, J. Wild, Z. Patterson, David Hieronymous, Paul Revesman, Jacquelyn K. S. Nagel","doi":"10.1109/SIEDS.2016.7489278","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489278","url":null,"abstract":"The design of a knee mounted energy harvesting device for USB charging was investigated. With the current longevity issues of lithium batteries in portable electronics and the reliance for consistent access to a standard electrical socket for charging, a need for a portable and sustainable energy source was identified. Human biomechanical energy from movement was identified as an emission-free and untapped source of power. A rotational generator utilizing a knee-mounted apparatus was selected as the most likely candidate for generating enough power for USB charging (5 VDC and 0.1 A minimum). Because the device was to be attached to the body, emphasis was placed on developing a design that provided for minimal hindrance to the user's normal gait. Following this decision, several energy harvesting products using rotational generators were purchased and benchmarked. A brushless motor was purchased to act as a generator in the knee mounted system; this decision was made for its low mechanical resistance to motion when spinning the shaft and high back EMF constant. To actuate the generator of the system at a velocity which could provide adequate power, a gear train was designed to amplify the 1 Hz input from human gait; the gear train utilized a ratcheting freewheel, which allows for conservation of angular momentum in the forward direction between actuations of the gear train. Parallel to the mechanical design process, an electrical system was designed to rectify the three phase AC voltage produced by the generator. A DC/DC switching regulator was used to condition the rectified output to 5 VDC. An alpha prototype is currently being fabricated. Projections indicate the system should produce 5 VDC at a range of output currents from 0.1 A to 1 A depending on how fast the user is moving.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128961785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Aylor, W. Pike, James Shaheen, Kristopher Van Norman, Callum Weinberg
{"title":"An analysis of transmission line grounding techniques using a digitized data management solution","authors":"J. Aylor, W. Pike, James Shaheen, Kristopher Van Norman, Callum Weinberg","doi":"10.1109/SIEDS.2016.7489312","DOIUrl":"https://doi.org/10.1109/SIEDS.2016.7489312","url":null,"abstract":"In 2014, the Occupational Safety and Health Administration (OSHA) created new regulations regarding safe work practices for transmission line construction. These new regulations primarily focus upon improving the practices of grounding equipment during construction to create a safer work zone. Workers are at risk of touch and step potentials from high voltage lines and current propagation through the surrounding soil. Specifically, the regulation requires construction companies, such as Pike Corporation, to utilize protective equipment called equipotential grounding mats instead of conventional grounding rod systems, unless they can prove through an engineering study that a job will be safe to commence using traditional methodology. The team created a data management tool that can help Pike Corporation synthesize a variety of data inputs to determine which means of protection is best for a particular job. The project's secondary objective is to evaluate the impact of these regulations (and the solution within this context) on the company's strategy. Impacts on the company could be reported in terms of additional cost incurred or material resources consumed as a result of these changes. This study will help Pike Corporation make safe and cost-effective business decisions and will also help the industry to better understand the risks to workers and the potential benefits of equipotential grounding mats.","PeriodicalId":426864,"journal":{"name":"2016 IEEE Systems and Information Engineering Design Symposium (SIEDS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131615062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}