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Articles 1 - 14 of 14
Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
A Virtual Environment For Enterprise Engineering Education, Can Saygin, Benjamin Dow, Raymond Kluczny, Majdi Najm, Scott Grasman
A Virtual Environment For Enterprise Engineering Education, Can Saygin, Benjamin Dow, Raymond Kluczny, Majdi Najm, Scott Grasman
Dow Scott
Several resources highlight the need to effectively use modern technology to gain more productive and rewarding undergraduate science, mathematics, engineering, and technology education. In addition to the growth of information technology, the importance of hands-on practice and active learning has been highlighted in various resources. These factors, coupled with inadequate and insufficient real-world experiences in undergraduate education, have become a major reason for under-qualified and under-employed graduates. This paper discusses the creation of the University of Missouri Virtual Enterprise, which provides context for development of learning modules for enterprise engineering education. This approach will improve the undergraduate education experience by …
Smart Engagement: Planning And Decision-Making In Distressed Urban Neighborhoods, Justin Hollander, Michael P. Johnson Jr., Eliza D. Whiteman
Smart Engagement: Planning And Decision-Making In Distressed Urban Neighborhoods, Justin Hollander, Michael P. Johnson Jr., Eliza D. Whiteman
Michael P. Johnson
Patient-Centered Appointment Scheduling Using Agent-Based Simulation, Tammy Toscos, Ayten Turkcan, Brad Doebbeling
Patient-Centered Appointment Scheduling Using Agent-Based Simulation, Tammy Toscos, Ayten Turkcan, Brad Doebbeling
Tammy R Toscos
Enhanced access and continuity are key components of patient-centered care. Existing studies show that several interventions such as providing same day appointments, walk-in services, after-hours care, and group appointments, have been used to redesign the healthcare systems for improved access to primary care. However, an intervention focusing on a single component of care delivery (i.e. improving access to acute care) might have a negative impact other components of the system (i.e. reduced continuity of care for chronic patients). Therefore, primary care clinics should consider implementing multiple interventions tailored for their patient population needs. We collected rapid ethnography and observations to …
Role Activity Diagram-Based Discrete Event Simulation Model For Healthcare Service Delivery Processes, Nagesh Shukla
Role Activity Diagram-Based Discrete Event Simulation Model For Healthcare Service Delivery Processes, Nagesh Shukla
Nagesh Shukla
In case of health care systems, discrete event simulations (DESs) are useful techniques to identify problematic process issues. However, currently available simulation models often use a simplified flow chart as an input which represents patient flow obtained from on-site observations and interviews complemented with historic patient data. This is insufficient in modelling important interactions between clinical staff, equipment and patients, causing the resultant models to be incomplete and unrealistic. This in turn leads to oversimplified outputs from any simulations. This paper presents a systematic methodology for the development of DES model from process mapping model based on the role activity …
Orientation To Umass And The Eh&S Program, Donald Robinson
Orientation To Umass And The Eh&S Program, Donald Robinson
Donald A. Robinson
No abstract provided.
Connecting The Dots: Career Reflections, Donald Robinson
Connecting The Dots: Career Reflections, Donald Robinson
Donald A. Robinson
This presentation reflects on the life experiences (dots)career of Donald Robinson, Ph.D. spanning the years from 1960 t0 2014. Connectiing the Dots can only be done looking backwards and the idea for this presentation was drawn from a presentation of the same title given by Stephen Jobs at a Stanford University graduation.
A Decision Support Model For The Location Of Hand Sanitizer Dispensers In Hospitals, Laila Cure Ph.D., Richard Van Enk Ph.D., Ewing Tiong Ph.D.
A Decision Support Model For The Location Of Hand Sanitizer Dispensers In Hospitals, Laila Cure Ph.D., Richard Van Enk Ph.D., Ewing Tiong Ph.D.
Laila Cure
Compliance with hand hygiene practices is directly affected by the accessibility and availability of cleaning agents. Nevertheless, the decision of where to locate these dispensers is often not explicitly or fully addressed in the literature. In this paper, we study the problem of selecting the locations to install alcohol-based hand sanitizer dispensers throughout a hospital unit. We investigate the relevant criteria in selecting dispenser locations that promote compliance with hand hygiene practices, propose metrics for the evaluation of various location configurations, and formulate a dispenser location optimization model that incorporates such criteria. A complete methodology to collect data and obtain …
Hybrid Agent Based Simulation With Adaptive Learning Of Travel Mode Choices For University Commuters, Nagesh Shukla, Albert Munoz, Jun Ma, Nam Huynh
Hybrid Agent Based Simulation With Adaptive Learning Of Travel Mode Choices For University Commuters, Nagesh Shukla, Albert Munoz, Jun Ma, Nam Huynh
Nagesh Shukla
This paper presents a methodology for developing a hybrid agent-based micro-simulation model to capture the impacts of commuter travel mode choices on a University campus transport network. The proposed methodology involves: (i) developing realistic population of commuter agents (students and staff); (ii) assigning activity lists and travel mode choices to agents using machine learning method; and, (iii) traffic micro-simulation of the study area transport network. This furthers the understanding of current transport modal distributions, factors affecting the travel mode choice decisions, and, network performance through a number of hypothetical travel scenarios.
Cv, Elizabeth C. Scheyder
Simulation-Based Evaluation Of Port Evacuation Plans For Predictable Natural Disasters, Xiuli Qu, Maurice Jackson, Lauren Davis
Simulation-Based Evaluation Of Port Evacuation Plans For Predictable Natural Disasters, Xiuli Qu, Maurice Jackson, Lauren Davis
Dr. Lauren B Davis
Effective port emergency evacuation could reduce the potential damages and losses caused by a predictive natural disaster. Thus, most U.S. ports have evacuation plans or guidelines established for predictive natural disasters, especially hurricanes. However, hurricane Katrina still revealed that these existing emergency evacuation plans may not be as effective as originally expected. The objective of this study is to provide a quantitative approach to evaluating the effectiveness of port emergency evacuation plans for hurricanes. A discrete-event simulation model is developed in this study to capture the dynamic evacuation process in a complex port environment when a hurricane approaches a port. …
The Context Matters: Maritime Safety In The Vessel Traffic Service (Vts) Domain, Gesa Praetorius, Margareta Lützhöft, Karl Bruno
The Context Matters: Maritime Safety In The Vessel Traffic Service (Vts) Domain, Gesa Praetorius, Margareta Lützhöft, Karl Bruno
Gesa Praetorius
Vessel Traffic Service (VTS) is a service to the maritime community implemented to promote and improve maritime safety. In recent years VTS has become a topic of increased interest for maritime stakeholders and the general public. To derive insights on how maritime safety is constructed in the VTS domain this exploratory study was conducted. Four VTS centres were visited and 15 VTS operators were interviewed and observed at work. Further a focus group interview with 8 VTS operators with focus on decision support tools in the VTS domain was conducted. The results of the study indicate that VTS operators define …
Learning And Forgetting In Maintenance Outsourcing, Hakan Tarakci, Sunantha Teyarachakul, Kwei Tang
Learning And Forgetting In Maintenance Outsourcing, Hakan Tarakci, Sunantha Teyarachakul, Kwei Tang
Hakan Tarakci
We study the effects of learning and forgetting on maintenance outsourcing in this paper. This is an extension of the paper by Tarakci et al. (2009), which analyzed the effects of learning on maintenance outsourcing. In our model, a manufacturer offers a short-term outsourcing contract, where payment includes a fixed value along with cost subsidization for each preventive maintenance activity, to an external contractor. The contractor schedules and performs preventive maintenance activities as well as repairs the system if there is a failure. We consider two types of learning: natural learning and learning by costly efforts. We then analyze the …
On The Problem Of Production Deadline And Maintenance Outsourcing, Sharafali Moosa, Hakan Tarakci
On The Problem Of Production Deadline And Maintenance Outsourcing, Sharafali Moosa, Hakan Tarakci
Hakan Tarakci
In this paper we consider a production-maintenance problem in which a buyer and a supplier have already entered into a contractual relationship for a firm delivery date. Our focus is on the production-related decisions of the supplier rather than the nature of the contract itself. We assume that production rate is actually constant as long as the system is up and running but randomness arises in production due to downtimes as a result of unpredictable failures (breakdowns) and scheduled preventive maintenance activities. Production maintenance is outsourced. As production output is random due to unreliable production facilities, the supplier needs to …
The Convergence In Workers’ Skill Levels Under Learning And Forgetting: The Fixed-Point-Property Approach, Sunantha Teyarachakul, Dogan Comez, Hakan Tarakci
The Convergence In Workers’ Skill Levels Under Learning And Forgetting: The Fixed-Point-Property Approach, Sunantha Teyarachakul, Dogan Comez, Hakan Tarakci
Hakan Tarakci
This paper presents a study on the convergence of workers’ skill levels under learning and forgetting in processing time in a batch-manufacturing environment. The convergence properties are examined under assumptions of an infinite horizon, a constant demand rate, and a fixed lot size. Our work extends the convergence results of Teyarachakul, Chand, and Ward (2008) beyond Globerson and Levin’s (1987) exponential forgetting function and Wright’s (1936) learning curve to more general classes of learning and forgetting functions. We also discuss why early papers other than Teyarachakul, Chand, and Ward (2008) did not find other types of long-term behaviors beyond convergence …