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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

Some problems in queueing theory

Coyle, Andrew James. January 1989 (has links) (PDF)
Bibliography: leaves 147-152.

Steady-state analysis in simulation : an application of Schriber's truncation rule to complex queueing systems

Saleh, Budiman 12 December 1991 (has links)
The objective of many steady-state simulations is to study the behavior of a nonterminating system with a peak load of infinite duration. Due to the complexity of the system, the initial conditions of the system are often atypical that often requires the simulators to start the system with the empty and idle conditions. Consequently, deletion of some initial observations is required to reduce the initialization bias induced by atypical initial conditions. This paper studies the application of Schriber's truncation rule to the complex queueing systems (specifically, the two-machine and three-machine tandem queueing system) and the effects of parameter selection (i.e. parameters batch size and time between observations) on performance measures. Based on the previous studies of Schriber's rule on the one-machine system, parameters batch count and tolerance are held constant. Mean-squared error and half length are used as measures of accuracy and interval precision in comparing the results. The results of both systems show that time between observations and batch size are significant parameters, and the recommendations for the two-machine system can be generalized for the three-machine system. Increasing the number of machines in the system from two to three requires a careful reduction in the value of time between observations. Besides, multiple replications should be used to minimize the extreme results in determining the steady-state mean number of entities and the truncation point. / Graduation date: 1992

A model for determining the effect of in-process storage on the output of a series of machines

Weber, Paul Andler 08 1900 (has links)
No description available.

In-process storage for continuous production lines

Hutchinson, Douglas Hynds 08 1900 (has links)
No description available.

Determination of optimum WATS line mix: a simulation study

Tice, Elizabeth (Stansell) 08 1900 (has links)
No description available.

Network of queues and decomposition methods for modeling manufacturing systems

Toro-Ramos, Zulma R. 05 1900 (has links)
No description available.

Spare parts provisioning for rotatable, fleet-operated components

Chesbrough, Peter Edward 05 1900 (has links)
No description available.

Approximating multi-server queues with inhomgeneous arrival rates and continuous service time distributions

Brahimi, Mammar January 1990 (has links)
No description available.

Performance and reliability in distributed systems

Thomas, Nigel Anthony January 1997 (has links)
This thesis is devoted to the construction and analysis of models which can be used to evaluate the performance and reliability of distributed systems. The general object of the research therefore is to extend the types of queueing models with breakdowns which have been solved, with a particular interest in networking structures. The systems that are studied involve various collections of servers and their associated queues. These range from isolated nodes, though parallel nodes coupled by the effect of breakdowns on arrivals, to pipelines of such parallel stages and more general networks. The issues that are explored include the influence of breakdowns and repairs on delays, job losses and optimal routeing. Obtaining performance measures for interacting queues is difficult, however a degree of abstraction has been used here which allows long run averages to be calculated (exactly in many cases) for quite complex systems. A variety of different techniques are used in order to obtain solutions to these models, including exact equations, exact numerical and approximate numerical techniques.

Performance analysis of a controlled database unit with single queue configuration subject to control delays with decision errors

Kussard, Michael. January 2006 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Department of Electrical and Computer Engineering, 2006. / Includes bibliographical references (leaves 126-128).

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