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You've searched: Retrospective Electronic Theses & Dissertations
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A Computer Simulation of the Operations of a Spent Nuclear Fuel Receiving and Storage Stations
Spent nuclear fuel is received at a storage facility in heavily shielded casks transported by either rail or by truck. Once at the storage facility, the casks are inspected, emptied, decontaminated, and reshipped. Allied-General Nuclear Services'...
Accumulative Errors in Low-Level Mos-fet Multiplexers
This paper provides a brief historical discussion of the development of time division low level multiplexing techniques and especially emphasizes MOS-FET multiplexers currently being implemented. Error sources which may affect system accuracy and...
An analytical model for evaluating database update schemes
A methodology is presented for evaluting the performance of database update schemes. The methodology uses the M/Hr/1 queueing model as a basis for this analysis and makes use of the history of how data is used in the database. Parameters have...
An Approach to Noise Estimation and Elimination in Communication Systems
This paper is a description of the analysis and testing of a method to estimate noise mixed in with a desired signal and to then subtract out the estimated noise. The paper documents the situation in which noise becomes a problem, the method of...
An Evaluation of Wheelchair Restraint Systems Used in the Transportation of Disabled Persons
There has been a significant effort to provide disabled persons with increased independence and mobility. The federal government requires that transportation facilities be made accessible to the disabled, and the number of handicapped persons...
Assessing the Economic Feasibility of Synthetic Natural Gas Under Conditions of Uncertainty
The science of synthetic fuel production began in the seventeenth century. However, large-scale production of synthetic fuels started in the early 1900's and, for several decades, gas manufactured from coal significantly contributed to the U.S....
Data Compilation and Statistical Analysis of Bachelor of Science in Engineering Graduates at the University of Central Florida
The College of Engineering at the University of Central Florida (UCF) required a data set containing the Bachelor of Science in Engineering (BSE) graduates from 1970 on, to be updated each semester. The data set was created in 1984, through the use...
Design considerations and thermodynamic feasibility study of a meso-scale refrigerator
Recent advances in ­micro-fabrication technology have ushered a new era in miniaturization of chemical, environmental and energy systems. This foreseeable trend towards miniaturization in chemical, environmental and mechanical systems is expected...
Development of a Sixteen Line Telephone Multiplexer
This report explains the development of a telephone line multiplexer to be used with a computer based personal paging system. The large geographical area coverage made possible by computer processing results in many calls having to cross telephone...
Environmental Aspects of Nuclear Fuel Cycle and High-Level Radioactive Waste Disposal
An assessment of the environmental effects of the nuclear fuel cycle industries is discussed, reactor waste inventory and standards are presented, and the alternatives for high-level radioactive waste disposal reviewed, with particular attention...
Examination of the Feasibility of an Earth Coolant Tube to Provide Residential Space Cooling
A study was performed to gain an understanding of the feasibility of an Earth Coolant Tube for use in cooling and heating air for residences and industry. It was concluded that previous studies did not include the effect of coolant tube depth or...
Feasibility of Graywater Systems for the Florida Environment
The objectives of this report was to study the existing literature and data of residential graywater treatment and disposal systems and their possible applications and environmental impacts in Florida. The report addresses mainly (1) the definition...
Golden Opportunities for White Collar Productivity Improvements in Quality Assurance
The efficient processing of defective or nonconforming hardware and paperwork is important to both defense contractors and the government. Management's concern of excessive costs in this area initiated an investigation into the actual activities,...
High-Speed Bipolar Microprocessor Usage for Exacting a Constant Frequency Signal from a Pulse Stream
This report presents an initial design effort for a high-speed, constant Frequency data extracter, which can be used to identify and track a particular constant frequency signal in the presence of other signals. Several factors must be included in...
Involvement in Leisure Activities by Mental Health Center Clients and Non-Clients
A survey on the level and frequency of leisure activity in individuals getting clinical aid was compared with that of individuals not presently contemplating or receiving such help. The subjects, 26 females and 24 males in each group, responded to...
Lethality Assessment Analogue: A Behavioral Measure for Evaluating the Suicide Intervention Competency of Crisis Hotline Volunteers
The need for behavioral evaluations of volunteers performing hotline crisis work led to the development of the Lethality Assessment (LA) Analogue. This measure is designed to evaluate the competence of hotline volunteers in performing the specific...
Model for a Nonlinear Tank System Under Proportional-Integral-Derivative Control
A model (NONLINRK) was developed for a closed tank system under feedback control by an ideal proportional-integral-derivative controller. Under servo action the fluid level in the tank is altered from its equilibrium set point. Under regulatory...
Models for Economic Evaluation of Flexible Manufacturing Systems
The current methods of economic justification are not suitable for identifying the benefits of automated manufacturing systems. This study is an introduction to Flexible Manufacturing Systems (FMS), its main features, and the economic benefits that...
Nonlinear robust control of a series dc motor utilizing the recursive design approach
In this thesis, the investigation of asymptotic stavility of the series DC motor with unknown load-torque and unknown armature inductance is considered. The control technique of recursive, or backstepping, design is employed. Three cases are...
Simulation of Naval Training Pipelines
Flow of enlisted Navy men through basic training, BEE school and "A" school was simulated using SLAM. Queuing for courses, pass, setback and failure of students, and the limitation of resources in the BEE schools were modeled for variable numbers...