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Articles 8521 - 8550 of 8786
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The Operation Of Military Family Housing As A Business Enterprise. A Case Study At Langley Air Force Base, Virginia, Michael T. Ray
The Operation Of Military Family Housing As A Business Enterprise. A Case Study At Langley Air Force Base, Virginia, Michael T. Ray
Theses and Dissertations
The focus of this research was to determine the feasibility of operating Military Family Housing (MFH) as a business enterprise, based on rental income. A case study of the Langley AFB Military Family Housing operation during FY 90 was used to determine if housing allowances forfeited by residents of base housing would provide sufficient rental income for the annual operations, maintenance and capital improvement of the MFH assets. It further compared the descriptive data from Langley AFB, Virginia, to USAF averages to determine if the findings at Langley were generalizable across the Air Force. The case study showed that Basic …
Industrial Wastewater Management Practices In Air Force Logistics Command, Patrick J. Smith
Industrial Wastewater Management Practices In Air Force Logistics Command, Patrick J. Smith
Theses and Dissertations
The selection of a model plant was based upon criteria established by a review of current literature. The criteria were permit compliance, plant performance, and the adoption of pollution prevention as a corporate environmental philosophy. In this study, private sector firms were examined to identify the best industrial wastewater management practices using a Total Quality Management (TQM) tool called benchmarking. The data gathering process consisted a survey of water pollution control organizations, and a survey of benchmark candidates. The purpose of surveying water pollution control organizations was to objectively identify possible benchmark candidates. A questionnaire was then used to gather …
Model Identification And Control System Design For The Lambda Unmanned Research Vehicle, Gerald A. Swift
Model Identification And Control System Design For The Lambda Unmanned Research Vehicle, Gerald A. Swift
Theses and Dissertations
Research for this thesis centered on the Lambda Unmanned Research Vehicle (URV), an asset of the Flight Dynamics Directorate, Wright Laboratory Patterson AFB. The following tasks were accomplished: (1) a linear, state-space, small perturbation model was developed for both the longitudinal and lateral directional dynamics of the vehicles, and (2) pitch rate roll rate, and yaw rate flight controllers were designed using classical and multivariable feedback methods. The parameters of the linear, state space, small perturbation model were estimated from actual flight test data. Digital Datcom was first used to estimate stability and control derivatives from the vehicle's geometry. Maximum …
A Topological Model For Parallel Algorithm Design, Jeffrey A. Simmers
A Topological Model For Parallel Algorithm Design, Jeffrey A. Simmers
Theses and Dissertations
This research demonstrates that formal, mathematical analysis in theoretical computer science can be recast in terms of the topology of complete metric spaces, and also presents a methodical technique for developing formal specifications. This effort shows that the topology of complete metric spaces provides a tool that can be used to both recreate major results about computational models and also to develop new results about these models. Using the two computational models CSP and UNITY, this effort shows that the required mathematics needed to support this alternative to the traditional analysis of computational models can be readily supported by a …
A Microcomputer Program For Estimating Production Costs Of Injection Molded Plastic Structures, Kyle F. Byard
A Microcomputer Program For Estimating Production Costs Of Injection Molded Plastic Structures, Kyle F. Byard
Theses and Dissertations
The job of estimating the production costs of injection molded thermoplastic structures requires designers and analysts to produce detailed preliminary drawings and consult machinists with expertise in mold production. Interviews with injection molding experts produced a scale of part complexity and associated range of labor hours for mold production. This scale is incorporated into a cost estimating methodology which allows the analyst to estimate the cost of the structure without the aid of technicians. The resulting cost model for the injection molding process is then programmed into an interactive Pascal computer program for ease of use and documentation.
A Contract Management Guide For Air Force Environmental Restoration, Grant S. Bowers
A Contract Management Guide For Air Force Environmental Restoration, Grant S. Bowers
Theses and Dissertations
This study was conducted to examine the extent to which written guidance was available to Air Force contracting officers involved in environmental restoration projects. The study examines literature from sources inside and outside the Air Force, classifies it by source, and extracts guidance from the subject matter. The study indicates that written guidance exists, but is fragmented. As a result, contracting officers lack concise guidance on the special considerations in contracting for environmental restoration. Guidance from the literature is summarized and presented in a stand-along guide appended to the report. The guide is targeted toward new and mid-level contracting officers …
An Exploratory Application Of Neural Networks To The Sortie Generation Forecasting Problem, James M. Dagg
An Exploratory Application Of Neural Networks To The Sortie Generation Forecasting Problem, James M. Dagg
Theses and Dissertations
This exploratory study assesses the accuracy of backpropagation neural networks in predicting sortie generations, given pre-specified levels of air base resources. Single hidden layer networks and two-way interaction regression metamodels were fitted to simulated data previously generated by way of a factional design for ten factors at two levels, and subsequently tested (cross-validated) via an independent testing sample. It was determined that regression metamodels were generally superior in predicting unseen cases, while their network counterparts exhibited far better goodness-of-fit characteristics. The research consistently emphasizes that goodness-of-fit in no way necessarily implies goodness-of-prediction, in that different non-equivalent statistical measures are required …
Determining Production Capability In Aircraft Maintenance: A Regression Analysis, Charles R. Jung
Determining Production Capability In Aircraft Maintenance: A Regression Analysis, Charles R. Jung
Theses and Dissertations
This research analyzed twenty-three maintenance constraint and three production output performance measures for nine SAC aircraft systems. SAS System for Elementary Statistical Analysis is used to analyze twenty-one months of ex post facto maintenance data. Correlation analysis is used to identify maintenance constraints that assist in explaining aircraft maintenance production capability. Forward stepwise regression is used to build predictive models of maintenance production capability for each of the nine aircraft systems. The twenty-three maintenance constraint measures are regressed against three productivity output measures: Mission Capable Rate, Total Not Mission Capable Supply Rate and Total Not Mission Capable Maintenance Rate. The …
Desert Express: An Analysis On Improved Customer Service, Thomas C. Thalheim
Desert Express: An Analysis On Improved Customer Service, Thomas C. Thalheim
Theses and Dissertations
Operation Desert Shield/Storm provided an opportunity to test the planning for U.S. forces to operate in a low intensity conflict. Both operations provided the opportunity for the logistics community to observe how the support forces provided the required supplies to the forward combat forces. In response to customers' requests, the U.S. Transportation Command created Desert Express, a daily package express flight from Charleston, SC to Saudi Arabia. The research question addresses the how and why Desert Express came about. Additional investigative questions cover the following: mission objectives, planners' and customers' expectations, system performance, and implications on the Defense Transportation System. …
Military Standardized Transportation And Movement Procedures Detailed Manifest Data Storage Requirements, Philip L. Isbell
Military Standardized Transportation And Movement Procedures Detailed Manifest Data Storage Requirements, Philip L. Isbell
Theses and Dissertations
The purpose of this study was to develop a set of useful solutions to the problem of storing and processing data generated by transportation data processing systems within the Department of Defense. The amount of data within the Global Transportation Network (GTN) will significantly increase due to the expansion of the Joint Operational Planning and Execution System (JOPES). Intransit visibility of troops and equipment during contingencies is the driving factor behind the increased level of data required by JOPES. The methodology used conducted a needs analysis of the problem, which was defined as an insufficient amount of storage capacity for …
Data Communications Possibilities For The Deployable Remote Consolidated Aerial Port Subsystem, John T. Rausch
Data Communications Possibilities For The Deployable Remote Consolidated Aerial Port Subsystem, John T. Rausch
Theses and Dissertations
This research's purpose was to determine the optimal candidate system for data communications with deployable Remote CAPS. The process also established justification for the selection. A formalized methodology based on Benjamin Ostrofsky's Design, Planning, and Development Methodology was used for the process. After a needs analysis of the problem, which is a lack of a mobile data communications system for MAC air transportation units, a feasibility study was completed which formulated the candidate systems to solve the problem. Finally, a preliminary activities phase evaluated each candidate system according to end user based criteria. The candidate system selected was the Very …
An Analysis Of Total Quality Management In Aeronautical Systems Division, Mark D. Caudle
An Analysis Of Total Quality Management In Aeronautical Systems Division, Mark D. Caudle
Theses and Dissertations
This study investigated the major schools of thought on various aspects of quality management and quality improvement. Areas covered included definitions of waste and quality, views on the cost of quality, tools and techniques used for quality improvement, and management philosophies and frameworks for continuous improvement. In addition, this study analyzed the structure and training content of the current Total Quality Management program at Aeronautical Systems Division (ASD). Pre- and post-test surveys on employee attitudes toward organizational effective were analyzed from the Advanced Cruise Missile System Program Office (SPO), the F-15 SPO, and the ASD Deputy Chief of Staff for …
Selection Of A Development Methodology For The Acquisition Of Command, Control And Communication Systems, Martin W. Wituszynski
Selection Of A Development Methodology For The Acquisition Of Command, Control And Communication Systems, Martin W. Wituszynski
Theses and Dissertations
This study investigated command and control projects to see if certain program characteristics help determine the appropriate development methodology. A literature search revealed no previous research in this area; but did identify at least two possible development methodologies, and some suggestions for key characteristics. Four case studies were conducted to study the effects of certain characteristics on the success of the development methodology employed; either conventional or incremental. Requirements definition, availability of a previous system, system complexity, number of subsystems, development experience, user involvement, and funding all appear to impact the appropriateness of the two methodologies investigated.
An Analysis Of Base Level Environmental Organizations, John F. Akers Jr.
An Analysis Of Base Level Environmental Organizations, John F. Akers Jr.
Theses and Dissertations
The purpose of this thesis was to try and determine if there was one type of environmental organization which was truly so much more effective than the others that all bases should have it, or if the decision of which type of environmental organization to have should be left entirely to the bases. In addition, I hoped to discover the advantages and disadvantages of each type of organizational structure. I feel that knowing these advantages and disadvantages will greatly aid those individuals making the decisions on environmental organizational structure. In completing this study I turned to the only place the …
A Study Of Pilot Attitudes Regarding The Impact On Mission Effectiveness Of Using New Cockpit Automation Technologies To Replace The Navigator/Weapon System Officer/Electronic Warfare Officer, William K. Starr, Donald A. Welch
A Study Of Pilot Attitudes Regarding The Impact On Mission Effectiveness Of Using New Cockpit Automation Technologies To Replace The Navigator/Weapon System Officer/Electronic Warfare Officer, William K. Starr, Donald A. Welch
Theses and Dissertations
This study analyzed the self-reported survey responses of 404 Air Force pilots concerning their perceptions of using advanced cockpit technologies to replace the Navigator, Weapon System Officer, and Electronic Warfare Officer (Nav/WSO/EWO) and the impact of advanced cockpit technologies on combat mission effectiveness. The first objective of this study was to compare, by aircraft type, the mission effectiveness factors that are always critical and almost always critical to the success of a combat mission. The second objective was to examine, from the pilot's point of view, the Nav/WSO/EWO's contribution (NAVCRIT) to enhancing the combat mission effectiveness factors. The third objective …
Estimating Potential Cost Growth Of The Most Probable Cost Estimate, Pamela J. Singleton
Estimating Potential Cost Growth Of The Most Probable Cost Estimate, Pamela J. Singleton
Theses and Dissertations
In today's environment of reduced funding it is imperative that an effective method of assessing likely cost growth be available early in the acquisition life cycle, and especially during the source selection process. This research sought to identify a method for predicting the range of cost growth around the most probable cost estimate generated during the source selection process. With the assistance of the Research and Cost Division of Aeronautical Systems Division, three factors were identified to be major contributors to cost growth for ASD programs; technical risk, configuration stability, and schedule risk. The data base consisted of 16 programs …
An Analysis Of Army Transportation Capability To Support The Distribution Of Liquid Propellant In Field Artillery Applications, John S. Lenart Jr.
An Analysis Of Army Transportation Capability To Support The Distribution Of Liquid Propellant In Field Artillery Applications, John S. Lenart Jr.
Theses and Dissertations
This study applied a screening technique methodology to systematically obtain organizational consensus in the establishment and ranking of Army surface transportation performance measurement criteria and system design attributes. This performance evaluation model was then used to assess the feasibility of three potential liquid propellant logistics concepts. Two sample groups of subject matter experts from the Army's Transportation and Ordnance (Munitions) Corps participated in the research. The methodology consisted of nominal-interacting group processes, repeated used of the pair comparison instrument, and use of a scoring model to rank-order the ten attributes. Research findings supported the Army's qualitative commitment to ensuring environmental …
Study On In-Theater Maintenance Support For Poaf F-16, Rui J. Gomes
Study On In-Theater Maintenance Support For Poaf F-16, Rui J. Gomes
Theses and Dissertations
The purpose of this study was to evaluate the capacity to generate a desired level of sorties of the F-16 weapon system. This capacity depends on the maintenance concept and structure, that defines a specific level of in-theater resources available. The theater is intended to reflect Portuguese Air Force logistic operations planned for the F-16, with one operational base and a possible Centralized Intermediate Repair Facility (CIRF), not co-located. The TSAR simulation program and one USAF database was used to perform the evaluation were defined and compared. The study focused on the unscheduled maintenance tasks and repairable items, in particular …
Life Cycle Costs Of The C-130 Electrical Power System Upgrade, Theodore D. Seymour
Life Cycle Costs Of The C-130 Electrical Power System Upgrade, Theodore D. Seymour
Theses and Dissertations
This research investigated the life cycle costs of three alternative electrical power systems for a planned electrical system upgrade to the C-130 transport aircraft. Research identified the contractors as (1) Sundstrand, (2) Westinghouse, and (3) Leland. The literature review included discussions on the C-130, electrical power systems and the proposed alternatives, and the elements of life cycle cost analysis. In the discussion on supportability issues, this research evaluated changes in mission capable rates and the needed fleet size to perform the current mission. In estimating Operating and Support costs, this research used the analogy approach. Analogies were based on expert …
An Application Of Artificial Intelligence Technology Within The Standard Base Supply System, Richard G. Nelson
An Application Of Artificial Intelligence Technology Within The Standard Base Supply System, Richard G. Nelson
Theses and Dissertations
This thesis investigated the feasibility of applying artificial intelligence technology within the Standard Base Supply System (SBSS). With assembly endless reductions in manpower authorizations within the SBSS and the potential for a continued loss of expert knowledge, the use of knowledge-based system (KBSs) was examined to determine if these systems could alleviate this of manpower. Literature related to the fields of artificial intelligence, expert systems, and KBSs was traced, yielding a methodology for identifying candidate problems, and for the development, verification, and validation of prototype KBSs. This methodology was then employed within the research, culminating in the creation, verification, and …
A Comparison Of The Air Force, Army, And Navy Test And Evaluation Reliability And Maintainability Data Base Systems, Donald L. Scantlan Jr.
A Comparison Of The Air Force, Army, And Navy Test And Evaluation Reliability And Maintainability Data Base Systems, Donald L. Scantlan Jr.
Theses and Dissertations
This study was conducted to create a single source document which could be used by test and evaluation personnel involved in joint programs for translating reliability and maintainability terms. The comparison begins by describing the forms, data elements, and data items, as collected by the Air Force's System Effectiveness Data System, the Army's Reliability, Availability, Maintainability Logistics System, and the Navy's Maintenance and Material Management, Maintenance Data System. The Findings paragraph is a stand-alone document which could serve as a translating dictionary for reliability and maintainability data elements between the different service's data systems. Upon the conclusion of this study, …
Challenges To United States Tactical Air Force Aircraft Maintenance Personnel: Past, Present And Future, Barbara L. Harris
Challenges To United States Tactical Air Force Aircraft Maintenance Personnel: Past, Present And Future, Barbara L. Harris
Theses and Dissertations
This study assessed the challenges Tactical Air Force (TAF) aircraft maintenance personnel face as a result of the TAF reorganization. The goal was to provide aircraft maintenance managers a basis for evaluating and meeting those challenges. To accomplish this, emphasis was placed on documenting the concepts, events, and conditions which led to changes in military aircraft maintenance from the birth of aviation to the present. Current issues such as the proposed move to two-level maintenance and the formation of the TAF composite and Objective Wings were also addressed. Research was conducted through the review of available historical documents, complemented by …
An Analysis Of The Support Equipment Acquisition Process And Methods Designed To Reduce Acquisition Leadtime, Bradie Williams
An Analysis Of The Support Equipment Acquisition Process And Methods Designed To Reduce Acquisition Leadtime, Bradie Williams
Theses and Dissertations
Support equipment acquisition leadtime continues to be a problem for both the United States Air Force and our foreign military sales programs. As a microcosm of the entire Department of Defense acquisition process, support equipment is often, late to need, without a complete integrated logistics support package, of poor or unstable design, and frequently requires considerable interim support. The purpose of this thesis is to look at the support equipment acquisition process from three perspectives: (1) from the overall weapon system acquisition process; (2) in the broad perspective of the integrated logistics support (ILS) concept; and (3) in the much …
Impacts Of Biomonitoring Requirements On Dod Wastewater Treatment Facilities, James R. Brady
Impacts Of Biomonitoring Requirements On Dod Wastewater Treatment Facilities, James R. Brady
Theses and Dissertations
Legislative emphasis on reducing the toxicity of wastewater effluent has resulted in increasingly sophisticated methods of determining toxicity. The purpose of this research project is to assess the impacts on DoD wastewater treatment facilities of one new monitoring method, biomonitoring. Biomonitoring has impacted DoD wastewater treatment facilities, however not to the degree anticipated. For bases that have been impacted, cost of contracting the tests is the primary problem associated with biomonitoring. Many bases have not been impacted because wastewater reuse has negated the need for discharge permits, and the inherent monitoring requirements. Bases subject to biomonitoring should assess water reuse …
Investigation Of Advanced Aircraft Performance Measures Of Merit Including New Agility Metrics, Bruce A. Fox
Investigation Of Advanced Aircraft Performance Measures Of Merit Including New Agility Metrics, Bruce A. Fox
Theses and Dissertations
Advanced aircraft performance measures of merit have been proposed and individually analyzed by various researchers. These metrics have been consolidated into a single computer code as part of this research effort. This code was used to study the relationships between the advanced metrics, aircraft design metrics and an aircraft's trajectory performance. The study found a linear relationship existed between the advanced metrics and the design metrics. This relationship was used to quantify the required levels of the advanced metrics which would give desired changes in trajectory performance. The results showed that advanced metrics could be applied only to very specific …
Collisional Dynamics Of The B3Π(O+) State Of Bromine Of Monofluoride, David W. Melton
Collisional Dynamics Of The B3Π(O+) State Of Bromine Of Monofluoride, David W. Melton
Theses and Dissertations
When Bromine is combined with flourine atoms and discharged oxygen in a flow tube is produced in a highly non thermal distribution peaking at v'=3. The emission was linearly dependent on the concentration. The observed dependence of the BrF(B) emission on Bromine and atomic oxygen is inconsistent with a steady state prediction of a sequential excitation mechanism, where BrF(X) is excited by successive collisions with singlet oxygen. The experimental data are consistent with a three body mechanism involving Br and F atoms. Electronic quenching of BrF(B) by a number of collision partners (Br2, CO2, O2 …
The Effect Of Defense Management Review Decision 904, Stock Funding Depot Level Reparables, On Cash Flow Within The Reparable Support Division Of The Air Force Stock Fund, Deborah A. Elliot
The Effect Of Defense Management Review Decision 904, Stock Funding Depot Level Reparables, On Cash Flow Within The Reparable Support Division Of The Air Force Stock Fund, Deborah A. Elliot
Theses and Dissertations
This study investigated what the potential cash flow condition of the Reparable Support Division of the Air Force Stock Fund might be after final implementation of the procedures outlined in Defense Management Review Decision 904, Stock Funding Depot Level Reparables. The operation of the future Reparable Support Division was modelled using the General Purpose Simulation Software (GPSS/H) package and future cash flow conditions were projected through use of this model. Recommendations were then made based on the results of these projections and based on other data gathered during the course of the research process.
An Investigation Of The Adequacy Of Air Force Regulations Guiding The Development And Procurement Of Software User Manuals, Amy M. Baines
An Investigation Of The Adequacy Of Air Force Regulations Guiding The Development And Procurement Of Software User Manuals, Amy M. Baines
Theses and Dissertations
As the Air Force increases its emphasis on controlling the cost and quality of software development, it's important to ensure that the documentation to support that software is also quality controlled. This research evaluated the adequacy of current regulations by comparing the process for developing Air Force software manuals with the process for developing similar types of user manuals, both within and outside of the Air Force. A comparison to the regulations guiding the development of Air Force Technical Orders revealed that the requirements for software manuals are unclear, dispersed through numerous regulations, and at times contradictory from one regulation …
A Prolog System For Converting Vhdl-Based Models To Generalized Extraction System (Ges) Rules, Michael A. Dukes, Frank M. Brown, Joanne E. Degroat
A Prolog System For Converting Vhdl-Based Models To Generalized Extraction System (Ges) Rules, Michael A. Dukes, Frank M. Brown, Joanne E. Degroat
AFIT Documents
With the advent of VHDL accurate documentation of hardware designs is a practical reality. In the past, schematics were typically used for documentation of hardware designs. However, these schematics would usually become obsolete as the hardware design was being constructed. Deviations in the hardware design would sometimes not be reflected in the schematics. For design groups, failure to update schematics could lead to different parts of a hardware design becoming incompatible. A system to ensure compliance of hardware with its VHDL documentation is presented in this paper. The system, vhdl2ges, is meant to help guide the development of hardware by …
Operations Research In A New Spanish Air Force Planning System, Antonio Valderrabano
Operations Research In A New Spanish Air Force Planning System, Antonio Valderrabano
Theses and Dissertations
The focus of this research effort was to determine a new Spanish Air Force Planning System. Today's highly technological weapon systems are very expensive, and resources are very scarce. So its selection has to be done very carefully. This process can allow high flexibility, be helpful facing the budgetary problems for all the Air Forces, and also can be easily integrated in a joint defense system. The path defined in this thesis is able to be adapted for different situations. It can be useful for other Services or countries, when their own peculiarities have been set up on the defined …