Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"Queuing model"”.
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Expansion and pricing criteria for ports using a two stage queuing model
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1979.
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A queuing model of airport congestion and policy implications at JFK and EWR
… the benefits of such measures requires careful modeling of flight delays as a function of flight schedules. This thesis applies a stochastic and dynamic queuing model to analyze operations at JFK and Newark (EWR), two of the most congested airports in the United States. Two models are used to …
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Queuing Model Based Approaches for Extremely High Throughput Wireless Networks with Big Data Transmission
… using wireless networks. The first goal is to model the modern communication node equipped with multibeam antenna working on IEEE 802.11ac/ax (5G/6G) standard. We first model the flow of packets through the node using Queuing theory that reflects the more modern communication standard. To make …
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Use of a simulation game and queuing model to achieve shorter lead times in stamping die development
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996, and Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1996.
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Enhancing the customer service experience in call centers using preemptive solutions and queuing theory
… the team calculated the key inputs for the queuing model including average wait time, interarrival rates and number of servers. The team then chose and developed the M/M/n stochastic queuing model for the simulation. The M/M/n queue reflects a simple system with parallel servers, arrivals …
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Applications of Queuing Theory for Open-Pit Truck/Shovel Haulage Systems
… of fleet selection involves the application of queuing theory to the haul cycle. Queuing theory was developed to model systems that provide service for randomly arising demands and predict the behavior of such systems. A queuing system is one in which customers arrive for service, wait for …
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Workload analysis and scheduling policies for a document processing centre
… of document processing has been analyzed using a queuing model and it has been found that the stage that the issue vouchers have to be generated and printed out is the bottleneck in the entire process flow. Some recommendations have been proposed to alleviate the problem. The second part of this …
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Analysis of congested clients' flows in banking systems: A case study of Standard Bank Namibia
… Standard Bank Namibia is the waiting lines. The queuing model used in the analysis was M/M/s which involved a single line with multiple servers in the system.Customer arrivals were described by a poison distribution and service times by exponential distribution. Descriptive analysis was used to …
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Analysis of marine container terminal gate congestion, truck waiting cost, and system optimization
… pollution. This thesis applies a multi-server queuing model to analyze marine terminal gate congestion and quantify truck waiting cost. In addition, an optimization model is developed to minimize gate system cost. Extensive data collection includes field observations and online camera …
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Market-based airport demand management : theory, model and applications
… To address these complications, an analytical model is developed to explore the impact of congestion pricing at airports and understand potential airline responses under a range of assumptions about the market's structure. Through a set of numerical experiments, carried out with the help of a …
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Integrated allocation and utilization of airport capacity to mitigate air traffic congestion
… We formulate an original Dynamic Programming model that optimizes, at the tactical level, the selection of runway configurations and the balancing of arrival and departure service rates to minimize congestion costs, for any given schedule of flights. The model integrates the stochasticity of …
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Modeling And Optimization Of Non-Profit Hospital Call Centers With Service Blending
… mixing staffing policy are evaluated. Erlang C queuing model is used to decide the minimum number of operators required by inbound calls. Theoretical analysis and numerical experiments illustrate that through dynamically assigning the inbound and outbound calls to operators under optimal …
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Evaluation of alternative discrete-event simulation experimental methods
… accepted.The research made use of a Markov Chain queuing model and statistica analysis of exhaustive computer-based experimentation using test models. A specific production-line model drawn from the motor industry was used as a point of reference. A distinctive,quality control like, process of …
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Delay, Stop and Queue Estimation for Uniform and Random Traffic Arrivals at Fixed-Time Signalized Intersections
… and scope of the alternative analytical models. Second, it evaluates the validity of micro simulation results that evolve as an outcome of the car-following relationships. The validity of these models is demonstrated for idealized hypothetical examples where analytical solutions can be …
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Emergency Medical Services Response Optimization
… to integrate real data with our optimization models. The second chapter develops a unified framework for emergency response optimization under travel time (edge-length) and demand (node-weight) uncertainty that is suitable for developing urban centers. We traveled to Dhaka to conduct field …
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Two essays in behavioral operations management
… Building on these observations, we develop a queuing model to help administrators account for deprivation when scheduling surgeries.
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Developing Microscopic Toll Plaza Model Using Paramics
Simulation modeling is the most cost-effective way of studying real life transportation problems, either existing or anticipated, without disturbing the balance of the transportation system. There is a vast suite of simulation models available in market, ready to choose from macroscopic, …
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Optimization and measurement in humanitarian operations: addressing practical needs
… guaranteed. In the first part of the thesis, we model negotiations, which occur in practice, as part of the problem of matching all agents. We introduce algorithms and structural results for when the organization negotiates with specific agents to modify their preference lists and the centralized …
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New approaches to airline recovery problems
… and Proactive Disruption Management (SRPDM) model combines a stochastic queuing model of airport congestion, a fight planning tool from Boeing/Jeppesen and an integer programming model of airline disruption recovery. We develop an online solution procedure based on look-ahead approximation …
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Improving energy efficiency and quality of service in an integrated wireless-optical broadband access network
… 3 for the integrated WOBAN, based on the M/G/1 queuing model supported by an innovative priority scheduler. Once class mapping is deployed, a power saving mechanism can be devised by exploiting traffic differentiation. Specifically, a class-based strategy is proposed which helps optimise the …
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