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Operations Research, Systems Engineering and Industrial Engineering Commons™
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Articles 1 - 8 of 8
Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
Optimal Charging Scheduling For Battery Electric Vehicles Under Smart Grid., Nur Dayana Abd Rahman
Optimal Charging Scheduling For Battery Electric Vehicles Under Smart Grid., Nur Dayana Abd Rahman
Electronic Theses and Dissertations
A projected high penetration of battery electric vehicles (BEV s) in the market will introduce an additional load in the electricity grid. Furthermore, uncontrolled BEV charging from residential users will exacerbate the existing peak load during evening hours. In this thesis, we propose two optimization models to alleviate the impact of extra demand from electric vehicles on the power grid. The first is a centralized charging scheduling model that coordinates the charging among BEV users under the goal of minimizing the total electricity cost for all users. The second model uses a decentralized agent-based approach to scheduling the BEV charging. …
Design Of The Layout Of A Manufacturing Facility With A Closed Loop Conveyor With Shortcuts Using Queueing Theory And Genetic Algorithms, Vernet Michael Lasrado
Design Of The Layout Of A Manufacturing Facility With A Closed Loop Conveyor With Shortcuts Using Queueing Theory And Genetic Algorithms, Vernet Michael Lasrado
Electronic Theses and Dissertations
With the ongoing technology battles and price wars in today's competitive economy, every company is looking for an advantage over its peers. A particular choice of facility layout can have a significant impact on the ability of a company to maintain lower operational expenses under uncertain economic conditions. It is known that systems with less congestion have lower operational costs. Traditionally, manufacturing facility layout problem methods aim at minimizing the total distance traveled, the material handling cost, or the time in the system (based on distance traveled at a specific speed). The proposed methodology solves the looped layout design problem …
Improving Throughput And Predictability Of High-Volume Business Processes Through Embedded Modeling, Joseph S. Dekeyrel
Improving Throughput And Predictability Of High-Volume Business Processes Through Embedded Modeling, Joseph S. Dekeyrel
Electronic Theses and Dissertations
Being faster is good. Being predictable is better. A faithful model of a system, loaded to reflect the system's current state, can then be used to look into the future and predict performance. Building faithful models of processes with high degrees of uncertainty can be very challenging, especially where this uncertainty exists in terms of processing times, queuing behavior and re-work rates. Within the context of an electronic, multi-tiered workflow management system (WFMS) the author builds such a model to endogenously quote due dates. A WFMS that manages business objects can be recast as a flexible flow shop in which …
The Development Of A Human Centered Methodology For The Identification Of Communication Needs And The Assessment Of Hand-Held Communication Devices Used To Support Communication Flow In High Consequence Emergency Management, Mohammad Imraan Jeelani
The Development Of A Human Centered Methodology For The Identification Of Communication Needs And The Assessment Of Hand-Held Communication Devices Used To Support Communication Flow In High Consequence Emergency Management, Mohammad Imraan Jeelani
Electronic Theses and Dissertations
Communication has been identified as a critical component in the outcome of emergency response. Post-mortems of “what went wrong” in disaster responses often point toward breakdown in communication between first responders, those directing rescue efforts, and the general population as one of the primary impediments to rendering timely aid and communicating adequate safety and weather information. Due to the high resilience, relatively low costs, and advanced features of modern hand-held communication devices, these devices are in a position to drastically improve communication flow during emergency management situations. Due to the lack of official implementation of these devices and the lack …
Modeling And Characterization Of Acute Stress Under Dynamic Task Conditions, Angel M. Millan
Modeling And Characterization Of Acute Stress Under Dynamic Task Conditions, Angel M. Millan
Electronic Theses and Dissertations
Stress can be defined as the mental, physical, and emotional response of humans to stressors encountered in their personal or professional environment. Stressors are introduced in various activities, especially those found in dynamic task conditions when multiple task requirements must be performed. Stress and stressors have been described as activators and inhibitors of human performance. The ability to manage high levels of acute stress is an important determinant of successful performance in any occupation. In situations where performance is critical, personnel must be prepared to operate successfully under hostile or extreme stress conditions; therefore training programs and engineered systems must …
A Framework For Quantifying Sustainability Of Lean Implementation In Healthcare Organizations, Haitham Ahmed Bahaitham
A Framework For Quantifying Sustainability Of Lean Implementation In Healthcare Organizations, Haitham Ahmed Bahaitham
Electronic Theses and Dissertations
Due to the remarkable positive effect of lean adoption in various firms in the manufacturing sector, it has been adopted by several organizations within the healthcare industry. Although the rate of adopting lean by hospitals in the developed countries is slower than it should be, it proved to be effective in helping healthcare organizations maintain or even improve their quality of care while containing their related costs. However, such adoption did not take place until the beginning of the new millennium. And with such adoption, it has been accompanied with major challenges related to proper lean implementation, sustainability of achieved …
Development Of A Cognitive Work Analysis Framework Tutorial Using Systems Modeling Language, Wilfred Henry Wells
Development Of A Cognitive Work Analysis Framework Tutorial Using Systems Modeling Language, Wilfred Henry Wells
Electronic Theses and Dissertations
At the present time, most systems engineers do not have access to cognitive work analysis information or training in terms they can understand. This may lead to a disregard of the cognitive aspect of system design. The impact of this issue is system requirements that do not account for the cognitive strengths and limitations of users. Systems engineers cannot design effective decision support systems without defining cognitive work requirements. In order to improve system requirements, integration of cognitive work requirements into the systems engineering process has to be improved. One option to address this gap is the development of a …
A Model To Integrate Sustainability Into The User-Centered Design Process, Adrienne Shevonne Brown
A Model To Integrate Sustainability Into The User-Centered Design Process, Adrienne Shevonne Brown
Electronic Theses and Dissertations
With concerns for the environment becoming more prevalent in business and the government, it is increasingly important to re-evaluate and update processes to include sustainability considerations early in the design process. In response to this charge, this research effort was designed to integrate sustainability factors into the usercentered design process. The results of this research highlight the benefits of sustainability requirement planning, as well as those derived from integrating sustainability into the current user-centered design model