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Articles 1 - 30 of 175
Full-Text Articles in Engineering
Ergonomic Analysis Of Mobile Cart–Assisted Stocking Activities Using Electromyography, Sohyung Cho
Ergonomic Analysis Of Mobile Cart–Assisted Stocking Activities Using Electromyography, Sohyung Cho
SIUE Faculty Research, Scholarship, and Creative Activity
Workers in grocery stores are exposed to numerous musculoskeletal risks that can be reduced using assistive devices while performing stocking tasks. A regional grocery store has recently deployed a mobile cart without comprehension of its ergonomic impact on workers, which this article investigates using normalized electromyography data (%MVC). This article studies not only ergonomic impact based on %MVC values but also work performance represented by a muscle force metric (MFM). The results from this study showed highest muscle groups in %MVC and MFM were the erector spinae and triceps. Interestingly, muscle activations on erector spinae were reduced when mobile cart …
Guidelines For Using Process Mapping To Aid Improvement Efforts, Paul Savory, John Olson
Guidelines For Using Process Mapping To Aid Improvement Efforts, Paul Savory, John Olson
John Olson
Process mapping is an easy-to-visualize method for people to analyze and agree on the most efficient routes for reengineering or improving a process. It aids in determining redundant tasks, uncovering hidden interactions between processes and people, and focusing on the processes that serve customers, improve quality, and generate income. This paper presents guidelines for using process mapping as an improvement tool. It is based on the authors’ experiences in aiding a variety of healthcare, service, and manufacturing companies.
Cracking The Shell To Student Learning: An Innovative Instructional Approach, John Olson, Paul Savory
Cracking The Shell To Student Learning: An Innovative Instructional Approach, John Olson, Paul Savory
John Olson
Management and Industrial Engineering courses is motivating students to learn and apply the quantitative and managerial aspects of the material. The aim of our educational methodology is to not only teach and reinforce the core principles of the disciplines, but to have students develop a set of skills that will make them competitive in the classroom and the workforce. Teaching is why a university exists. As a result, the objective of our instructional approach is to attract and retain dedicated students to the fields of Operations Management and Industrial Engineering and to keep those students competitive and in focus with …
Road Rescue Implements A Continuous Process Improvement Framework, John Olson, Paul Savory
Road Rescue Implements A Continuous Process Improvement Framework, John Olson, Paul Savory
John Olson
Continuous improvement programs traditionally focus on making small incremental improvements to a system. Unfortunately, their success can be limited due to the rapid changing environment within which most small companies operate. Improvement efforts should be flexible enough to capitalize on incremental and radical changes to a system. This paper presents a case analysis of how Road Rescue, an ambulance manufacturer, uses a continuous improvement framework to capitalize on both radical and incremental improvement opportunities. Results include a 10% increase in throughput, reduced cycle time of 44%, increased customer satisfaction, and higher quality.
On Valuing Biopharmaceutical Product Pipelines: An Effectuation Model And Evidence, Mark J. Ahn, Anne S. York, Wei Wu, Yulianto Suharto, Tugrul Unsal Daim
On Valuing Biopharmaceutical Product Pipelines: An Effectuation Model And Evidence, Mark J. Ahn, Anne S. York, Wei Wu, Yulianto Suharto, Tugrul Unsal Daim
Engineering and Technology Management Faculty Publications and Presentations
New creative approaches are needed to manage emerging biotechnology innovations, regulations, and payor environments to enhance product pipeline productivity, valuation, and risk management. Biopharmaceutical firms must make dynamic resource allocation decisions on their relative levels of internal R&D and external strategic alliances in furthering their pipelines. As the predominant method of using discounted cash flow (DCF) methodologies may lead to chronic underinvestment and performance, we evaluated the integration of traditional DCF with an effectuation model of analysis. Unlike traditional financial models that begin with the end goal of assumed known cash flows and recursively solve for portfolio optimization, the effectuation …
Prognostic Algorithm Development For Plant Monitoring And Maintenance Planning, Them Hill Bui
Prognostic Algorithm Development For Plant Monitoring And Maintenance Planning, Them Hill Bui
Doctoral Dissertations
The economic goals in a typical industrial plant are to improve product quality, maximize equipment up-time, reliability, and availability, and minimize spare part inventories and maintenance costs. Modern facilities are comprised of thousands of subsystems with critical unique components. Simple components and more complex engineering systems alike are typically engineered to perform satisfactorily. Their lives can be predicted under normal operation runtime. It should be the same with chronological time lapse from the moment of installation. However, their ages accelerate faster than chronological time lapse if they are operated under unfavorable working conditions, making their remaining life predictions likely not …
Fault Diagnosis And Failure Prognostics Of Lithium-Ion Battery Based On Least Squares Support Vector Machine And Memory Particle Filter Framework, Mohammed Ali Lskaafi
Fault Diagnosis And Failure Prognostics Of Lithium-Ion Battery Based On Least Squares Support Vector Machine And Memory Particle Filter Framework, Mohammed Ali Lskaafi
Doctoral Dissertations
123456A novel data driven approach is developed for fault diagnosis and remaining useful life (RUL) prognostics for lithium-ion batteries using Least Square Support Vector Machine (LS-SVM) and Memory-Particle Filter (M-PF). Unlike traditional data-driven models for capacity fault diagnosis and failure prognosis, which require multidimensional physical characteristics, the proposed algorithm uses only two variables: Energy Efficiency (EE), and Work Temperature. The aim of this novel framework is to improve the accuracy of incipient and abrupt faults diagnosis and failure prognosis. First, the LSSVM is used to generate residual signal based on capacity fade trends of the Li-ion batteries. Second, adaptive threshold …
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 …
An Economical Model Development For A Hybrid System Of Grid Connected Solar Pv And Electrical Storage System, Mohammad Hasan Balali
An Economical Model Development For A Hybrid System Of Grid Connected Solar Pv And Electrical Storage System, Mohammad Hasan Balali
Theses and Dissertations
Energy sources management is one of the most important concern in the recent decades. There are finite amount of non-renewable energy sources and one day they will run out if they have been used as primary sources of energy. Renewable energy sources have been significantly reduced the environmental effects. For most of them the source of energy is non-depletable.
One of the concerns associated with renewable resources is uncertainty or unavailability. Energy Storage Systems (ESSs) can help to have more reliable and more efficient systems by adjusting the charge and discharge time and rate. In this study, an economic model …
Warranty Period And Product Price Optimization For Remanufactured Products, Yuxi Liu
Warranty Period And Product Price Optimization For Remanufactured Products, Yuxi Liu
Theses and Dissertations
This study considers a remanufactured electrical product under a tiered warranty policy. Warranty is key in ensuring a good manufacturer—consumer relationship. Manufacturers hope to minimize warranty costs while consumers believe that good warranty promises better product quality and reliability. This Thesis presents an optimal warranty period from the perspective of a manufacturer to maximize the total expected profits, while ensuring sustained consumer relation. We use real data from a local company with a global supply chain to provide a numerical example.
A Systems Approach To Point Source Indication Of Metformin Found In Local Water Systems – The Case Of Milwaukee County, Mohamed Salem Baitelmal
A Systems Approach To Point Source Indication Of Metformin Found In Local Water Systems – The Case Of Milwaukee County, Mohamed Salem Baitelmal
Theses and Dissertations
Pharmaceutical pollutants are present in traceable concentrations in Milwaukee County water system and Lake Michigan. The actual point sources and nature of entry into the water system is difficult to determine with certainty. Pharmaceuticals have been found to persist at the South Shore Wastewater Treatment Facility (SSWTF) in Milwaukee, Wisconsin. The highest concentration was found to be for the pharmaceutical drug metformin. Metformin is a first line drug for the treatment of type 2 diabetes mellitus.
The broad goal of this exploratory study; the first of its kind, is to correlate trace concentrations of drugs to the point sources. Particularly, …
Modeling And Analysis Of Pca Workflow, Ewing Tiong
Modeling And Analysis Of Pca Workflow, Ewing Tiong
Masters Theses
Nursing shortage has been reported as a major problem faced not only by the United States but also by many other countries. One of the many interventions that has been used to curb nursing shortage is the increase in employment of Unlicensed Assistive Personnels (UAPs) as an alternative care delivery model. There are many types of UAP and one of them are Patient Care Assistants (PCAs). This research proposes a methodology to model and analyze the work ow of a PCA in terms of completing assigned tasks in a timely manner. The specific objectives of this research are to model …
Biomechanical Evaluation Of Three Post-Kneeling Tasks: Sitting, Walking, And Standing, Alexa Hernandez Principe
Biomechanical Evaluation Of Three Post-Kneeling Tasks: Sitting, Walking, And Standing, Alexa Hernandez Principe
Theses and Dissertations
There are several occupations that require prolonged kneeling as part of their daily practice. Employees who kneel for a prolonged period of time have been reported to have high rates of knee and low back musculoskeletal disorders (Coggon et al. 2000, Halmstrom et al. 1992, Harkness et al. 2003, Manninen et al. 2002). These disorders result in excessive worker’s compensation costs. Gallagher el al. (2009) looked at the low seam mining industry and found that companies spent the most on knee related injuries with $4.2 million and $2.7 million for low back injuries.
There is a lack of knowledge available …
Water Withdrawal And Consumption Reduction Analysis For Electrical Energy Generation System, Narjes Nouri
Water Withdrawal And Consumption Reduction Analysis For Electrical Energy Generation System, Narjes Nouri
Theses and Dissertations
There is an increasing concern over shrinking water resources. Water use in the energy sector primarily occurs in electricity generation. Anticipating scarcer supplies, the value of water is undoubtedly on the rise and design, implementation, and utilization of water saving mechanisms in energy generation systems are becoming inevitable. Most power plants generate power by boiling water to produce steam to spin electricity-generating turbines. Large quantities of water are often used to cool the steam in these plants. As a consequence, most fossil-based power plants in addition to consuming water, impact the water resources by raising the temperature of water withdrawn …
Ergonomics Analysis Of Touchscreen Utilization As A Function Of Preferred Hand And Gender, Jordan E. Odell
Ergonomics Analysis Of Touchscreen Utilization As A Function Of Preferred Hand And Gender, Jordan E. Odell
Master's Theses
The growth of touchscreen technology has changed the way users interface with a wide range of computing and communication products and systems. Examples range from personal tablets and laptops to industrial applications such as process control, point-of-sales, and ticketing kiosk systems. An important area of application is the automobile industry which is designing cars with touchscreen control panels to replace the previously designed mechanical knobs and buttons. However, interacting with touchscreens does not provide the same tactile feedback as physical mechanisms, therefore they require more precise movement and visual attention, which distracts the user from the primary task.
The purpose …
Truckload Carrier Selection, Routing And Cost Optimization, Zhixin Han
Truckload Carrier Selection, Routing And Cost Optimization, Zhixin Han
Masters Theses
The aim of this thesis was to investigate the routing decision combined with common carrier selection for dedicated contract carriers to reduce full truckload routing cost on pickup and delivery service within time windows in a multiple depots scenario. Mixed Integer Programming and some heuristic algorithms such as the genetic algorithm and annealing algorithm have been successfully used to solve vehicle routing problems for a long time, but researchers seldom simultaneously focus on issues of carrier selection, multiple depots, time window, and the government regulations for a dedicated contract carrier. Therefore, this thesis involved constraints of pickup and delivery with …
College Football Rankings: Maximum Flow Model, Jaymin Patel
College Football Rankings: Maximum Flow Model, Jaymin Patel
Industrial Engineering Undergraduate Honors Theses
College football is a very popular sport in the United States. There is much debate over the college football rankings every week. A maximum flow network is implemented into the CMS+ rankings to observe the effects it has on the college football rankings.
Modeling Information Reliability And Maintenance: A Systematic Literature Review, Daysi A. Guerra Garcia
Modeling Information Reliability And Maintenance: A Systematic Literature Review, Daysi A. Guerra Garcia
Industrial Engineering Undergraduate Honors Theses
Operating a business efficiently depends on effective everyday decision-making. In turn, those decisions are influenced by the quality of data used in the decision-making process, and maintaining good data quality becomes more challenging as a business expands. Protecting the quality of the data and the information it generates is a challenge faced by many companies across all industrial sectors. As companies begin to use data from these large data bases they will need to begin to develop strategies for maintaining and assessing the reliability of the information they generate using this data. A considerable amount of literature exists on data …
Spare Parts On Demand Using Additive Manufacturing : A Simulation Model For Cost Evaluation., Stefan Jedeck
Spare Parts On Demand Using Additive Manufacturing : A Simulation Model For Cost Evaluation., Stefan Jedeck
Electronic Theses and Dissertations
Little is known about the impact of additive manufacturing in the spare part supply chain. A few studies are available, but they focus on specific parts and their applications only. A general model, which can be adapted to different applications, is nonexistent. This dissertation proposes a decision making framework that enables an interested practitioner/manager to decide whether using additive manufacturing to make spare parts on demand is economical when compared to conventional warehousing strategy. The framework consists of two major components: a general discrete event simulation model and a process of designing a wide range of simulation scenarios. The goal …
The Prediction Predicament, William "Ike" Eisenhauer
The Prediction Predicament, William "Ike" Eisenhauer
Engineering and Technology Management Faculty Publications and Presentations
The article focuses on the prediction of predicament in terms of forecasting at industrial engineering level. Topics discussed include business optimize resources via forecasting; audience who cannot comprehend the methodology used for forecasting in healthcare operations; and use of forecasting for performance measurement.
Nursing Interruption Dynamics: The Impact Of Work System Factors, Yushi Yang
Nursing Interruption Dynamics: The Impact Of Work System Factors, Yushi Yang
All Dissertations
Interruptions occur frequently in healthcare work systems. Hands-free Communication Devices (HCDs) were implemented in healthcare work systems to support the interruption process. However, from a sociotechnical systems perspective, HCDs may introduce new complications and unintended consequences to the work system. Research gaps exist in investigating the complexity of HCD interruptions in the real-world context. This dissertation aims to understand HCD interruption dynamics in the nursing work systems, using qualitative research methods. The first study examined the major differences between face-to-face and HCD-mediated interruptions, based on 30 hours of field observations in the acute care setting. Three major differences included: (1) …
Heuristic Solution For Separated Manufacturing Process, James Dee Davis
Heuristic Solution For Separated Manufacturing Process, James Dee Davis
Masters Theses
Downtime is a major issue for manufactures. Downtime may occur from breakdowns, quality issues, lack of manpower, lack of materials, or in this case a lack of storage containers. A manufacturing system was studied that consists of an injection machine that supplies two assembly lines. The injection machine suffered from frequent downtime from lack of containers. The process was analyzed for root cause of downtime. After analysis of the system it was found that the injection process had high variability in production quantity and quality. The scheduling scheme called for production until all available containers were full regardless of actual …
Design Of A Web Application To Improve The Efficiency Of Crnas., Venkatramanan Chanchapalli Madhavan
Design Of A Web Application To Improve The Efficiency Of Crnas., Venkatramanan Chanchapalli Madhavan
All Theses
Physical artifacts such as whiteboards have been successfully used in healthcare facilities to keep track of dynamic changes in information and to manage work schedules. Since these whiteboards are easy- to- use and do not require any technical expertise, they have been easy- to-adopt. Additionally, they act as memory aids for the users by capturing transient information. However, they have their own limitations, the primary ones being the lack of mobility and real-time updates, both of which are crucial in a high consequence environment such as a healthcare facility. These whiteboards are usually kept in a central location with the …
Evaluation Of A Training Program (Strap) Designed To Decrease Young Drivers Secondary Task Engagement In High Risk Scenarios, Akhilesh Krishnan
Evaluation Of A Training Program (Strap) Designed To Decrease Young Drivers Secondary Task Engagement In High Risk Scenarios, Akhilesh Krishnan
Masters Theses
Distracted driving involving secondary tasks is known to lead to an increased likelihood of being involved in motor vehicle crashes. Some secondary tasks are unnecessary and should never be performed. But other secondary tasks, e.g., operating the defroster, are critical to safe driving. Ideally, the driver should schedule when to perform the critical tasks such that the likelihood of a hazard materializing is relatively small during the performance of the secondary task. The current study evaluates a training program -- STRAP (Secondary Task Regulatory & Anticipatory Program) -- which is designed to make drivers aware of latent hazards …
Estimating Likelihood Of Having A Brca Gene Mutation Based On Family History Of Cancers And Recommending Optimized Cancer Preventive Actions, Mehrnaz Abdollahian
Estimating Likelihood Of Having A Brca Gene Mutation Based On Family History Of Cancers And Recommending Optimized Cancer Preventive Actions, Mehrnaz Abdollahian
USF Tampa Graduate Theses and Dissertations
BRCA1 and BRCA2 are gene mutations that drastically increase chances of developing breast and ovarian cancers, up to 20-fold, for women. A genetic blood test is used to detect BRCA mutations. Though these mutations occur in one of every 400 in the general population (excluding Ashkenazi Jewish ethnicity), they are present in most cases of hereditary breast and ovarian cancer patients. Hence, it is common practice for the physicians to require genetic testing for those that fit the rules as recommended by the National Cancer Comprehensive Network. However, data from the Myriad Laboratory, the only provider of the test until …
Virtual R&D Teams: A New Model For Product Development, Nader Ale Ebrahim
Virtual R&D Teams: A New Model For Product Development, Nader Ale Ebrahim
Nader Ale Ebrahim
Increased global competitions have urged small and medium enterprises (SMEs) to develop new products faster. Virtual research and development (R&D) teams in SMEs can offer a solution to speed up time-to-market of new product development (NPD). However, factors that affect the effectiveness of virtual teams for NPD are still not adequately verified. This book presents the correlations between virtual R&D team constructs and virtual team effectiveness by developing a “Virtual Research and Development Team” (ViR&DT) model. The items, which may influence the effectiveness of virtual teams, are taken from the literature. Through an online survey and by application of structural …
A Hybrid Approach Of Intuitionistic Fuzzy Set Theory And Dematel Method To Prioritize Selection Criteria Of Bank Branches Locations, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Sajjad Allahi, Ali Rastegari
A Hybrid Approach Of Intuitionistic Fuzzy Set Theory And Dematel Method To Prioritize Selection Criteria Of Bank Branches Locations, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Sajjad Allahi, Ali Rastegari
Amin Vafadarnikjoo
Optimally locating new bank branches is a strategic decision in banking industry in order to stay competitive. The importance of this issue is primarily due to the fact that locating branches in appropriate sites is one of the main factors in absorbing and satisfying bank customers. This results in a core benefit for banks, particularly in a vibrant competition. In addition, without a set of well-chosen selection criteria and their prominence, the goal of locating suitable sites for bank branches would not be efficiently achieved. In this research, six most widely used criteria for bank branch location consideration are obtained …
A Servqual Model Approach Integrated With Fuzzy Ahp And Fuzzy Topsis Methodologies To Rank Life Insurance Firms, Mahdi Saeedpoor, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Ali Rastegari
A Servqual Model Approach Integrated With Fuzzy Ahp And Fuzzy Topsis Methodologies To Rank Life Insurance Firms, Mahdi Saeedpoor, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Ali Rastegari
Amin Vafadarnikjoo
Ranking life insurance firms, particularly regarding customer-oriented criteria, has become a significant research priority of many insurance research centers. This is mainly due to the effective role of life insurance in improving the capital market and the role of service quality in customer satisfaction. This issue has remained one of the major topics associated with insurance industry which has not been sufficiently explored in the literature. This study aims at prioritizing insurance firms which hold the majority proportion of Iran's total life insurance market. Life insurers are assessed and ranked with regard to 5 criteria of customer service quality in …