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1996

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Coronary Artery Disease In Patients With Stroke, Yao-Chia Chuang, Su-Ching Lee Dec 1996

Coronary Artery Disease In Patients With Stroke, Yao-Chia Chuang, Su-Ching Lee

Rehabilitation Practice and Science

Heart disease is one of the leading causes of death in patients with stroke. Coronary artery disease not only adversely influences the stroke outcome but also affects the functional recovery during rehabilitation.By using retrospective analysis, this study investigated 777 inpatients with stroke. The age ranged from 17 to 101 years. The impact of coronary artery disease (CAD), silent myocardial ischemia (SMI), and CAD attack during admission on the stroke was studied. The results showed that CAD was positively related to hypertension, DM, stroke history, recurrent stroke during admission, and mortality. The SMI was associated with hypertension and stroke history. The …

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Adaptation Of Bone To Mechanical Loading In The Growing Rat: Histomorphometric Study, Ta-Chung Lee, Yun-Tai Lu, Teen-Meei Wang Dec 1996

Adaptation Of Bone To Mechanical Loading In The Growing Rat: Histomorphometric Study, Ta-Chung Lee, Yun-Tai Lu, Teen-Meei Wang

Rehabilitation Practice and Science

Six-week-old male rats were subjected to right hindlimb immobilization or served as control for 0,4, 6, 8,12, or 24 weeks. There were double-labeled with bone markers prior to sacrifice. The right limb was immobi-lized by sciatic nerve denervation and considered unloaded. Static and dynamic histomorphometry were performed on 20- urn-thick Villanueva stained, undecalcified sections of the proximal tibial metaphysis and thetibial shaft.In the unloaded limb, immobilization induced cancellous and cortical bone loss. Unloading caused a negative trabecular bone balance from a combination of elevated bone resorption and depressed bone formation. The bone loss was accompanied by poorer trabecular architecture(trabacular number …

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A Study Of Vocational Rehabilitation In Work Injuries-Rehabilitation Resources Survey Of Work Injuries In Taiwan, Mann-Tsong Hwang, Tsang-Fai Chu, Jin-Shin Lai, Yuh Jang, Sheau-Ling Huang, Wen-Shu Li, Sheu-Shin Cheng Dec 1996

A Study Of Vocational Rehabilitation In Work Injuries-Rehabilitation Resources Survey Of Work Injuries In Taiwan, Mann-Tsong Hwang, Tsang-Fai Chu, Jin-Shin Lai, Yuh Jang, Sheau-Ling Huang, Wen-Shu Li, Sheu-Shin Cheng

Rehabilitation Practice and Science

Work-related injuries will cause injured worker's role dysfunction, and result in family economic crisis and national productivity loss. The purposes of this research are to investigate the resources of rehabilitation medicine and vocational rehabilitation in Taiwan.One hundred and fifty-six rehabilitation facilities and 118 occupational therapy units received two different questionnaires to investigate the services they provided. The SPSS for WINDOWS was used to describe and analyze the data. The information of non-medical rehabilitational facilities was collected by phone calls. The returning rate was 44.23% from rehabilitation facilities and was near 100% from Occupational therapy units. The findings from the investigation …

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Cardiopulmonary Rehabilitation For Left Ventricular Assist Decice Patient-A Casereport, Chen-Liang Chou, Shun-Ping Cheng, Huey-Ling Yu, Tcho-Jen Liu, Tao-Chang Hsu Dec 1996

Cardiopulmonary Rehabilitation For Left Ventricular Assist Decice Patient-A Casereport, Chen-Liang Chou, Shun-Ping Cheng, Huey-Ling Yu, Tcho-Jen Liu, Tao-Chang Hsu

Rehabilitation Practice and Science

Patients bridging to transplantation with left ventricular assist device ( LVAD) often require prolonged support of ventricular assistance. As improving perioperative survial with LVAD, additional emphasis must be placed on patients' cardiopulmonary rehabilitation to prevent the occurrence of the deterious effect of bedrest ( such as ”immobilization syndrome”) and improve their exercise capability and life of quality.In this study,we proposed one case undergoing implantation of LVAD (Heart Mate) because of acute myocarditis complicated with end-stage heart failure. After LVAD insertion, the patient received cardiopulmonary rehabilitation. The program consisted of chest physical therapy(including splint cough, incentive spirometry exercise, breathing exercise)and progressive …

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Evaluation Of Incident Management Techniques (Lexington, Kentucky), Kenneth R. Agent, Jerry G. Pigman, Nikiforos Stamatiadis, Eugene Culton Dec 1996

Evaluation Of Incident Management Techniques (Lexington, Kentucky), Kenneth R. Agent, Jerry G. Pigman, Nikiforos Stamatiadis, Eugene Culton

Kentucky Transportation Center Research Report

The objective of this project was to evaluate and document the various incident management techniques used by the Lexington Fayette Urban County Government (LFUCG) to alleviate the impact of incidents on highways in Fayette County. Components included in the evaluation included: 1) establishment and use of traffic diversion routes, 2) use of variable message signs, 3) use of detour signing, 4) use of arrow board signs, 5) improvement of existing incident detection and verification through enhanced computerized mapping, 6) use of linked motion detection equipment, and 7) development of a public information program. The methods used to incorporate each of …

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Financial Report 1996, University Of Montana--Missoula Dec 1996

Financial Report 1996, University Of Montana--Missoula

University of Montana Annual Financial Reports, 1918-2012

University of Montana annual financial report for fiscal year ending June 30, 1996.

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The Redox State Of The [2fe-2s] Clusters In Soxr Protein Regulates Its Activity As A Transcription Factor, Huangen Ding, Elena Hidalgo, Bruce Demple Dec 1996

The Redox State Of The [2fe-2s] Clusters In Soxr Protein Regulates Its Activity As A Transcription Factor, Huangen Ding, Elena Hidalgo, Bruce Demple

Faculty Publications

SoxR protein is a redox-responsive transcription factor that governs a regulon of oxidative stress and antibiotic resistance genes in Escherichia coli. Purified SoxR contains oxidized [2Fe-2S] clusters and stimulates in vitro transcription of its target gene soxS up to 100-fold. SoxR transcriptional activity, but not DNA binding, is completely dependent on the [2Fe-2S] clusters; apo-SoxR prepared in vitro binds the soxS promoter with unchanged affinity but does not have transcription activity. Thus, modulation of the SoxR [2Fe-2S] clusters was proposed to control the protein's function in transcription. Here, we provide evidence that SoxR with reduced [2Fe-2S] clusters is inactive. Redox …

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Neural Network Classification Of Environmental Samples, Jeffrey L. Blackmon Dec 1996

Neural Network Classification Of Environmental Samples, Jeffrey L. Blackmon

Theses and Dissertations

This research develops a general methodology for designing neural network classifiers for real-world environmental problems. This methodology is demonstrated through the design of a multi-layer perceptron to classify stainless steel and actinide samples. Neural networks, sometimes called artificial neural networks, have been shown capable of classifying complex patterns. Artificial neural networks are physiologically motivated computer algorithms which attempt to mimic the function of the large interconnected network of neurons in the human brain, which has extraordinary pattern recognition capabilities. These artificial neural networks learn to map a set of input features, elemental composition, onto a set of outputs such as …

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The Biodegradation Characteristics Of Proposed Fuel Systems Icing Inhibitors (Fsii), Charles E. Meshako Dec 1996

The Biodegradation Characteristics Of Proposed Fuel Systems Icing Inhibitors (Fsii), Charles E. Meshako

Theses and Dissertations

The biodegradation characteristics of three fuel system icing ihhibitors (FSII) were evaluated. FSII are jet fuel additives that partition into water readily and are present in the water drained from storage tank bottoms in concentrations approaching 40%. These concentrations raise concerns as to the disposal and handling of these wastes. The current FSII, DiEGME was evaluated along with two new candidates, dipropylene glycol and glycerol formal. DiEGME appeared to be moderately but not completely biodegradable. It is likely that much of it would be removed in a wastewater treatment plant. Dipropylene glycol only showed signs of degradation after more than …

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A Comparative Analysis Of Two Alternatives To Chemical Aircraft Paint Stripping, George P. Joyce Ii Dec 1996

A Comparative Analysis Of Two Alternatives To Chemical Aircraft Paint Stripping, George P. Joyce Ii

Theses and Dissertations

The Air Force must periodically strip and paint its aircraft to prevent the damaging effects of corrosion. The paint removal process typically involves the use of toxic chemicals such as methylene chloride which are soon to be banned as a result of impending environmental regulations and increased costs associated with handling and disposing of such material. The Air Force must choose an alternative to methylene chloride chemical stripping which complies with environmental regulations and reduces costs. This thesis compares the life cycle costs and environmental impacts of two alternatives to chemical aircraft stripping. Plastic Media Blasting (PMB) and Modified Medium …

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Study Of Desorption Of Contaminant From Synthetic Soil, Kung-Fu Hwang Dec 1996

Study Of Desorption Of Contaminant From Synthetic Soil, Kung-Fu Hwang

Theses and Dissertations

A better understanding of sorption and desorption processes could improve estimates of time and cost required for remedial activities, exposure times and health risk, and bioavailability. Conventional rate-limited sorption models do not accurately define the diffusion domain at the grain scale. Heyse (1994) proposed the multiple sites in series (MSS) model, which allows more general description of the geometry of the sorption domain than the classical spherical or discrete distributions. A version of this model was tested by deVenoge (1996). The model was able to accurately simulate sorption rate data, but could not estimate unique geometry parameters. This research is …

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A Decision Support Model For Municipal Solid Waste Recycling At United States Air Force Installations, Gergory A. Williams Dec 1996

A Decision Support Model For Municipal Solid Waste Recycling At United States Air Force Installations, Gergory A. Williams

Theses and Dissertations

The United States Air Force requires each installation to operate a municipal solid waste recycling program. Two inherently conflicting objectives, waste material diversion and financial result, have been established for the program. Reducing landfill disposal is the primary objective, but the incentive for profit is strong because each installation can retain profits from the program. Installations can be divided into two distinct areas, commercial and residential, based on the waste stream composition and funding. Structuring of the recycling program is often done in an ad-hoc manner. A decision support model was developed to evaluate four methods for each area. The …

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An Investigation Of Instantaneous Plume Rise From Rocket Exhaust, Paul F. Sand Dec 1996

An Investigation Of Instantaneous Plume Rise From Rocket Exhaust, Paul F. Sand

Theses and Dissertations

Rocket launches at Vandenburg Air Force Base and Cape Canaveral Air Station produce exhaust clouds containing several toxic by-products, including HC1 and A12O3. These clouds rise to atmospheric stabilization heights, and then start dispersing and diffusing through the air. Upon reaching the ground, concentration levels of the toxins may present a human health risk. To predict these risks and concentration levels, range officials use a computer program titled the Rocket Effluent Exhaust Diffusion Model (REEDM). The version currently in use has been shown to underpredict the stabilization height of the exhaust cloud. This thesis examines the theory and algorithms used …

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Local Effects Of Solid Rocket Motor Exhaust On Stratospheric Ozone Concentrations, Brian K. George Dec 1996

Local Effects Of Solid Rocket Motor Exhaust On Stratospheric Ozone Concentrations, Brian K. George

Theses and Dissertations

Solid Rocket Motors (SRMs) power the initial flight of the Space Shuttle and Titan IV rocket. During those first two minutes after liftoff, the exhaust plumes from these motors emit large quantities of chlorine compounds and alumina particles into the atmosphere. For years scientists have argued that such a large chlorine input, injected directly into the stratosphere, would photochemically react with the surrounding air to cause significant ozone depletion. To answer the question of whether SRM exhaust causes a significant ozone depletion, Version 7 data from the Total Ozone Mapping Spectrometer (TOMS) instrument was analyzed for the 30 days prior …

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Habitat Suitability Mapping Through Integration Of Multicriteria Evaluation Techniques With A Geographic Information System (Gis), Anthony A. Ference Dec 1996

Habitat Suitability Mapping Through Integration Of Multicriteria Evaluation Techniques With A Geographic Information System (Gis), Anthony A. Ference

Theses and Dissertations

The presence of an endangered species, the Pacific Pocket Mouse (PPM), in critical Marine Corps training areas aboard Camp Pendleton may adversely affect training activities that are crucial to meeting the Marine Corps' mission. Camp Pendleton must focus limited budgetary assets for live trapping surveys of the PPM in the areas of best habitat suitability and the purpose of this study was to develop a PPM habitat suitability map of Camp Pendleton. Suitability maps were developed by integrating expert opinion with the Camp Pendleton Geographic Information System (GIS) database.

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Mass Transport Of Volatile Organic Compounds Between The Saturated And Vadose Zones, Monte S. Harner Dec 1996

Mass Transport Of Volatile Organic Compounds Between The Saturated And Vadose Zones, Monte S. Harner

Theses and Dissertations

Volatile organic compounds (VOCs) dissolved in the saturated zone are transported into the vadose zone primarily by gaseous phase diffusion. If the saturated zone is remediated, VOCs present in the vadose zone may become a secondary source of contamination for the groundwater. The amount of VOCs that remain in the vadose zone is dependent on site hydrology, soil properties, and the chemical properties of the contaminants. The purpose of this study was to determine what conditions caused VOC concentrations in the vadose zone to significantly recontaminate the saturated zone. A one-dimensional numerical model was developed to investigate the transport of …

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Applying Probabilistic Risk Assessment And Decision Analysis Techniques To Avoid Excessive Remedial Investigation Costs, Alejandro Hinojos Dec 1996

Applying Probabilistic Risk Assessment And Decision Analysis Techniques To Avoid Excessive Remedial Investigation Costs, Alejandro Hinojos

Theses and Dissertations

The majority of remediation resources have been consumed by costly and lengthy remedial investigation studies to characterize the human health risk. Unable to deal directly with the uncertainty resulting from the convolution of the uncertainties in a multitude of variables, and heavily persuaded by the liabilities, decision makers and regulators have relied on conservative assumptions and more studies to take appropriate actions. The main objective of this research is to provide tools and techniques to aid risk analysts in determining whether it would be beneficial to gather additional information or whether the decision to take an appropriate action can be …

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Economic Valuation Of Air Force Environmental Resources: A Contingent Valuation Case Study, Timothy P. Haynie Dec 1996

Economic Valuation Of Air Force Environmental Resources: A Contingent Valuation Case Study, Timothy P. Haynie

Theses and Dissertations

The Air Force spends $1 billion each year to preserve, maintain, and restore environmental resources under its control (Budget of the United States Government, 1994). Assessing the benefit of this spending is a central issue in federal environmental management. As federal environmental management moves from a "clean it up at any cost" mentality to one which carefully considers the costs and benefits of spending, a fundamental question arises: What value of environmental resources does our environmental spending provide? As in any rational economic exchange benefits must exceed costs; the value of an environmental resource which benefits from public spending must …

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Determining The Optimum Strategy Of Techniques From The Municipal Solid Waste Management Hierarchy To Maximize Social Value, Camille M. Still Dec 1996

Determining The Optimum Strategy Of Techniques From The Municipal Solid Waste Management Hierarchy To Maximize Social Value, Camille M. Still

Theses and Dissertations

Environmental managers must make difficult decisions regarding how to manage solid waste generation and disposal. The primary waste management alternatives are source reduction, recycling, composting, incineration, and landfilling often, waste management policies are based entirely on technical considerations and ignore that actual disposal practices depend on individuals' attitudes and behaviors. This research formulated a decision analysis model that incorporates social value measures to determine the waste management strategy that maximizes the individuals' willingness to participate. The social values that are important and that were considered in the decision support model to assist with making decisions about solid waste management were …

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Independent Verification And Validation Of The Hazardous Material Cost Trade-Off Analysis Tool Developed By The Human Systems Center At Brooks Air Force Base, Thomas S. Choi Dec 1996

Independent Verification And Validation Of The Hazardous Material Cost Trade-Off Analysis Tool Developed By The Human Systems Center At Brooks Air Force Base, Thomas S. Choi

Theses and Dissertations

The Air Force realizes that the life cycle cost (LCC) associated with hazardous materials is a significant cost in the acquisition of major weapon systems. In trying to mitigate the growth of environmental LCC for future weapon systems, the Air Force has developed a tool called the Hazardous Material Cost Trade-off Analysis Tool (HAZMAT CTAT). The HAZMAT CTAT estimates the LCC for weapon system hazardous materials, so that intelligent decisions can be made in the early stages of the acquisition process. The problem with implementing this program into the acquisition process is that an independent computer model evaluation has never …

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Analysis Of Air Force Environmental Justice Methodology, Barbara E. Owens Dec 1996

Analysis Of Air Force Environmental Justice Methodology, Barbara E. Owens

Theses and Dissertations

The purpose of this study is to analyze AFCEE's draft environmental justice methodology. The study provides background on the meaning of environmental justice along with related terminology, and covers historical events of the environmental justice movement leading up to the publication of EO 12898. A discussion of EO 12898, subsequent draft guidance, and other pertinent literature leads to the development of evaluation criteria used to analyze both AFCEE's methodology and an application of that methodology: the March AFB Disposal Final Environmental Impact Statement Given that AFCEE formed their own methodology to address environmental justice prior to any definitive guidance regarding …

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An Activity Driver Based Analysis Of Hazardous Materials Usage At Wright-Patterson Afb, Charles D. Perham Dec 1996

An Activity Driver Based Analysis Of Hazardous Materials Usage At Wright-Patterson Afb, Charles D. Perham

Theses and Dissertations

As the Air Force has progressed and succeeded in the realm of pollution prevention, the opportunities for further progress have become more challenging. With the 'low-hanging fruit' now gone from the pollution prevention tree, new methods to identify opportunities must be adopted. This research effort applied a subset of activity based costing, activity driver analysis, to reveal pollution prevention opportunities in regards to hazardous materials usage. A sample of base organizations (civil engineering and aircraft maintenance), and a sample of the hazardous chemicals (Class C or most hazardous) used by those organizations were investigated to determine the drivers behind usage.

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A Two-Phase Damped-Exponential Model For Speech Synthesis, H. Allan Arb Dec 1996

A Two-Phase Damped-Exponential Model For Speech Synthesis, H. Allan Arb

Theses and Dissertations

It is well known that there is room for improvement in the resultant quality of speech synthesizers in use today. This research focuses on the improvement of speech synthesis by analyzing various models for speech signals. An improvement in synthesis quality will benefit any system incorporating speech synthesis. Many synthesizers in use today use linear predictive coding (LPC) techniques and only use one set of vocal tract parameters per analysis frame or pitch period for pitch-synchronous synthesizers. This work is motivated by the two-phase analysis-synthesis model proposed by Krishnamurthy. In lieu of electroglottograph data for vocal tract model transition point …

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Surfactant Enhanced Microbial Degradation Of Jp-8 Contaminated Soil, John D. Thomas Dec 1996

Surfactant Enhanced Microbial Degradation Of Jp-8 Contaminated Soil, John D. Thomas

Theses and Dissertations

This research effort used an automated respirometer to evaluate the enhancement of JP-8 fuel biodegradation, from surfactant addition. Two nonionic surfactants, Novell 1412-7 and Alfonic 810-4.5 were chosen for addition to contaminated JP-8, microcosms at three levels of treatment. The three levels of treatment included sub-CMC, CMC, and supra-CMC concentrations for each surfactant. The Novell II, nonionic surfactant, exhibited inhibitory characteristics, and was eliminated from the study. The focus of the study was to determine if JP-8 was actually degraded, and if enhancement of JP-8 biodegradation would be achieved from surfactant addition. The respirometer was found to be repeatable within …

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Analysis Of Multimode Low-Probability-Of-Intercept (Lpi) Communications With Atmospheric Effects, Ala Ghordlo Dec 1996

Analysis Of Multimode Low-Probability-Of-Intercept (Lpi) Communications With Atmospheric Effects, Ala Ghordlo

Theses and Dissertations

This research expanded Low Probability of Intercept (LPI) communications analysis in two areas. First, multimode communication was included to account for ground to ground and air to ground links in addition to the standard air to air links traditionally used in LPI analysis. The propagation equations for the three modes of interest were derived and included in LPI analytic models in the form of a mode quality factor to account for multimode LPI scenarios. This new quality factor was used in studying several communication and interception link combinations. Variations due to differences between the communication and interception modes were presented …

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Development Of Object-Based Teleoperator Control For Unstructured Applications, Hyunki Cho Dec 1996

Development Of Object-Based Teleoperator Control For Unstructured Applications, Hyunki Cho

Theses and Dissertations

For multi-fingered end effectors in unstructured applications, the main issues are control in the presence of uncertainties and providing grasp stability and object manipulability. The suggested concept in this thesis is object based teleoperator control which provides an intuitive way to control the robot in terms of the grasped object and reduces the operator's conceptual constraints. The general control law is developed using a hierarchical control structure, i.e., human interface I gross motion control level in teleoperation control and fine motion control/object grasp stability in autonomous control. The gross motion control is required to provide the position/orientation of the Super …

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Analysis And Simulation Of A New Code Tracking Loop For Gps Multipath Mitigation, Mark C. Laxton Dec 1996

Analysis And Simulation Of A New Code Tracking Loop For Gps Multipath Mitigation, Mark C. Laxton

Theses and Dissertations

This thesis proposes a new direct sequence spread spectrum (DS/SS) code phase tracking loop which mitigates the effects of multipath interference on code phase tracking error; such errors can translate to significant range measurement errors in DS/SS ranging systems such as Global Positioning System (GPS). The new code tracking loop, called the modified RAKE delay lock loop (MRDLL), uses maximum likelihood (ML) signal parameter estimation to determine the amplitude, carrier phase, and relative propagation delay of both a direct path and a reflected signal; a multiple correlator code phase tracking loop then exploits these ML signal estimates to remove the …

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Application Of A Finite-Volume Time-Domain Maxwell Equation Solver To Three-Dimensional Objects, Frederick G. Harmon Dec 1996

Application Of A Finite-Volume Time-Domain Maxwell Equation Solver To Three-Dimensional Objects, Frederick G. Harmon

Theses and Dissertations

Concurrent engineering approaches for the disciplines of computational fluid dynamics (CFD) and electromagnetics (CEM) are necessary for designing future high-performance, low-observable aircraft. A characteristic-based finite-volume time-domain (FVTD) computational algorithm, developed for CFD and now applied to CEM, is implemented to analyze the radar cross section (RCS) of two three-dimensional objects, the ogive and cone-sphere. The FVTD formulation implements a Monotone Upstream-Centered Scheme for Conservation Laws (MUSCL) algorithm for the flux evaluation and a Runge-Kutta multi-stage scheme for the time integration. Developmental FVTD work for the thesis focused on algorithm development to analyze scattering and obtain RCS data for closed-surface perfect …

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Environmental Attitudes And Behaviors: An Examination Of The Antecedents Of Behavior Among Air Force Members At Work, Mark S. Laudenslager Dec 1996

Environmental Attitudes And Behaviors: An Examination Of The Antecedents Of Behavior Among Air Force Members At Work, Mark S. Laudenslager

Theses and Dissertations

A questionnaire was randomly distributed to members of the United States Air Force at Wright Patterson AFB, OH, with 307 returned. The survey was designed to test the theory of planned behavior (TPB) model developed by Icek Ajzen, and the organizational theory of planned behavior (OTPB) model explored in this research effort. Validation and measurement of the TPB in relation to an organizational setting was accomplished, with the organizational theory of planned behavior (OTPB) developed. The behaviors and intentions individuals have towards recycling, energy conservation, and carpooling were examined, with the demographic variables of gender, age, and education also investigated. …

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Multiple Model Adaptive Estimation And Control Redistribution For The Vista F-16, Robert W. Lewis Sr. Dec 1996

Multiple Model Adaptive Estimation And Control Redistribution For The Vista F-16, Robert W. Lewis Sr.

Theses and Dissertations

Performance characteristics of a Multiple Model Adaptive Estimation and Control Redistribution (MMAE/CR) algorithm are evaluated against single and double actuator and sensor failures. MMAE alone can compensate for sensor failures, whereas Control Redistribution compensates for actuator failures by redistributing commands, initially intended for failed actuators, to the unfailed actuators in such a way that the desired system response is achieved. Both failure detection and compensation capabilities are developed and analyzed through an extensive amount of simulation data, particularly addressing multiple failures. Simulations are performed utilizing the high fidelity, non-linear six degree of freedom Simulation Rapid Prototyping Facility for the VISTA …

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