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INNOVATIVE ARTIFICIAL INTELLIGENCE TECHNIQUES HAVE THE POTENTIAL TO SOLVE MANY COMPLEX AIR FORCE PROBLEMS. ADVANCES IN COMPUTING SPEED AND EXISTING SOFTWARE TECHNOLOGY ALONE ARE UNLIKELY TO RESULT IN REAL-TIME AERONAUTICAL SYSTEMS CAPABLE OF MEETING THE COMPLEX REQUIREMENTS OF THE AIR FORCE MISSION. RATHER, AN ALTERNATIVE METHODOLOGY SUCH AS ABDUCTIVE TECHNOLOGY, A NEW TECHNOLOGY PRESENTED IN THIS ...

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CURRENT TECHNIQUE OF OPTICAL FLAME DETECTION RELY ON THE USE OF NARROW BANDWIDTH SENSORS WHICH HAVE BEEN DEMONSTRATED TO BE PRONE TO FALSE ALARMS. TO ADDRESS THIS NEED, AMERICAN RESEARCH CORPORATION OF VIRGINIA (ARCOVA) PROPOSES TO DEVELOP AN INTELLIGENT MACHINE VISION INTERFACE FOR THE DETECTION AND CLASSIFICATION OF SPECTRAL FLAME SIGNATURES. THE APPROACH BEING PROPOSED WOULD USE MACHINE VISION ...

THE OBJECTIVE OF THIS PROPOSAL IS TO DEVELOP A MORE EFFICIENT, HIGH POWER MILLIMETER WAVE SOURCE BY MODIFYING THE ORIGINAL ORBITRON MASER. THE ORIGINAL ORBITRON IS DRIVEN BY A SINGLE POWER SUPPLY (I.E.A SMALL CAPACITOR) WHICH GENERATES AN AXISYMMETRIC LOGARITHMIC POTENTIAL-WELL AS RADIALLY DIRECTING (AT FIRST) ELECTRON BEAMS IN THE TUBE OF COAXIAL GEOMETRY. HOWEVER, THE POSITIVE POTENTIAL (V(O)) I ...

THE OBJECTIVE OF THE PROPOSED WORK IS TO ANALYZE THE HYPERVELOCITY MODELS TESTED AT ARNOLD ENGINEERING DEVELOPMENT CENTER TO DETERMINE THE CAUSE OF NOSETIP FRACTURES. WE WILL ACCOMPLISH THIS GOAL BY PERFORMING TWOAND THREE-DIMENSIONAL FINITE ELEMENT ANALYSES OF THE HYPERVELOCITY MODEL USING DYNA2D AND DYNA3D. IF NECESSARY, WE WILL ALSO DO HYDRODYNAMIC ANALYSES OF THE GAS EXPANSION WHICH DRIVES THE ...

THE PROPOSED RESEARCH PROGRAM WILL PROVIDE AN EVALUATION TOOL FOR ASSESSING THE EFFECTS OF MANUFACTURING AND IN-SERVICE MATERIAL ANOMALIES ON SUBSEQUENT SOLID ROCKET MOTOR PERFORMANCE. THE EVALUATION TOOL CONSISTS OF A NONLINEAR FINITE ELEMENT PROGRAM WITH A COMPOSITE DAMAGE AND FAILURE CONSTITUTIVE MODEL. THE EVALUATION TOOL WILL BE VERIFIED BY CORRELATION WITH LABORATORY TESTS OF DESIGNATED COMP ...

THE AVAILABILITY OF NEW ADVANCED TECHNOLOGY AND MATERIALS MAKES POSSIBLE GREATLY SIMPLIFIED, LOWER COST AND MORE RELIABLE AIRCRAFT ANTENNA SYSTEMS. AS AN EXAMPLE, THE ELIMINATION OF THE HF HIGH POWER COUPLER FROM THE PRESENT HF TRANSMITTING SYSTEM CAN RESULT IN MILLIONS OF DOLLARS IN SAVINGS FOR INITIAL ACQUISITION AND INSTALLATION COSTS. IT CAN ALSO RESULT IN ORDERS OF MAGNITUDE GREATER SAVINGS F ...

THE OVERALL OBJECTIVE OF THE PHASE I WORK SHALL BE TO DESIGN AND FABRICATE TELEPRESENT MASTER/SLAVE (M/S) TOOLS CAPABLE OF PROVIDING FORCE AND TACTILE FEEDBACK TO THE HAND OF A HUMAN OPERATOR. THIS WORK SHALL INCORPORATE THE EXTENSIVE PREVIOUS DEVELOPMENT ACTIVITIES AT BEGEJ CORPORATION IN THE AREAS OF TACTILE SENSORS AND TACTILE DISPLAYS. THE SCOPE OF THE PHASE I WORK INCLUDES: (1) DESIGN AND FAB ...

PRESENT COMPUTER MODELS USED TO PREDICT VAPOR CLOUD LENGTH, CONCENTRATION AND DURATION AT AIR FORCE INSTALLATIONS DO NOT PROPERLY ACCOUNT FOR THE EFFECTS OF STRUCTURES. STRUCTURES CAN ACT TO TRAP THE CLOUD AND INCREASE THE CLOUD DIMENSIONS, THEREBY POSSIBLY REDUCING DOWNWIND CONCENTRATIONS AND INCREASING THE CLOUD'S LATERAL EXTENT. RECENT RESEARCH CONDUCTED BY CPP HAS SHOWN THAT THE TRAPPING AND I ...

THE EAGLE GRID GENERATION CODE IS A WIDELY USED SOFTWARE TOOL FOR GENERATING COMPUTATIONALLY UNIFORM GRIDS THAT FIT IRREGULAR PHYSICAL DOMAINS. BASED ON ELLIPTIC GRID GENERATION, IT USES A BLOCKSTRUCTURED APPROACH TO ACCOMMODATE VERY IRREGULAR REGIONS AND POINT DISTRIBUTION FUNCTIONS TO REDUCE FLOW-SOLVER TRUNCATION ERROR. IT ALSO INCORPORATES AS EULER SOLVER FOR INVISCID FLOW CALCULATIONS. WHILE ...