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THE KEY PROBLEM TO BE ADDRESSED IN PHASE I OF THIS PROJECT WILL BE TO DETERMINE THE FEASIBILITY OF A NOVEL POSITION MEASURING SYSTEM FOR A FAMILY OF COMPUTER CONTROLLED MACHINE TOOLS. THE MULTIPLE LASER MEASUREMENT SYSTEM (MLMS), WHICH FORMS THE BASIS OF THIS PROPOSAL, WILL MEASURE THE (X, Y, Z) POSITION OF THE CUTTING HEAD DIRECTLY AT RATES AND ACCURACIES SUFFICIENT FOR CLOSED LOOP POSITION CONTR ...

ALTHOUGH SPECIALLY DESIGNED END-EFFECTORS HAVE PROVIDED PRESENT DAY ROBOTS AND TELEOPERATOR SYSTEMS WITH THE ABILITY TO DO MANY INTRICATE TASKS, TRUE MANIPULATOR DEXTERITY WILL ONLY COME THROUGH THE USE OF MULTI-FINGERED ANTHROPOMORPHIC MECHANICAL HANDS. STABLE GRASPING OF IRREGULAR OBJECTS, OBJECT RECOGNITION, PRECISION ASSEMBLY, AND PERFORMANCE OF MANY INTRICATE TASKS NOW CONFINED TO HUMANS WILL ...

FUTURE MILITARY AVIONICS SYSTEMS WILL REQUIRE AT LEAST AN ORDER OF MAGNITUDE IMPROVEMENT IN MEAN TIME BETWEEN CRITICAL FAILURES. TO ACHIEVE THIS GOAL INNOVATIVE FAIL-SAFE FAULT-TOLERANT ELECTRONIC SYSTEM DESIGN CONCEPTS WILL BE NEEDED. THE APPROACH PROPOSED BY DAINA WILL BE BASED ON THE USE OF EXTERNAL ENVIRONMENT DATA, BUILT-IN RELIABILITY MODEL, ADAPTIVE STATISTICAL SYSTEM STATE AND PARAMETER ES ...

IN ORDER TO ACHIEVE THE TECHNOLOGY AND LIFE CYCLE GOALS TARGETS FOR THE ADVANCED TURBINE ENGINES OPERATING BETWEEN -60 DEG AND 1500 DEG F, SOLID LUBRICANTS OFFER A VIABLE APPROACH. DURABILITY LIMITATIONS FOR SUCH ENGINES RESULT FROM HIGH OPERATING TEMPERATURES AND THE ELIMINATION OF COOLING SYSTEMS. THESE FACTORS MINIMIZE THE EFFECTIVENESS OF CONVENTIONAL OIL OR GREASE LUBRICANT DUE TO THERMAL AND ...

THE OBJECTIVE OF THIS PROJECT IS TO DEMONSTRATE EXPERIMENTALLY A NOVEL APPROACH TO DELIVERING A SOLID POWDER AS AN AEROSOL OF IMPROVED STABILITY. THE PROPOSED SYSTEM WILL BE DESIGNED SPECIFICALLY FOR THE DELIVERY OF MOLYBDENUM DISULFIDE TO THE BEARINGS OF THE DEVELOPMENTAL ADVANCED AIRCRAFT GAS TURBINE, WHICH MAY OPERATE BETWEEN THE EXTREMES OF -60 DEG F AND 1500 DEG F. THE AVAILABLE LIQUID LUBRIC ...

THE PURPOSE OF THIS PROPOSED PROGRAM IS TO DEVELOP A DIAMOND TRANSMIT/RECEIVE (T/R) SWITCH FOR HIGH POWER, HIGH FREQUENCY RADAR SYSTEMS. THE DIAMOND ELECTRONIC DEVICE MOST LIKELY TO ACHIEVE THE DESIRED T/R SWITCH SPECIFICATIONS IS AN INSULATED GATE FIELD EFFECT TRANSISTOR (IGFET) OPERATED AS A SWITCHING POWER TRANSISTOR. DIAMOND MATERIALS, INC. (DMI), PLANS TO DEVELOP A DIAMOND IGFET T/R SWITCH IN ...

CURRENT TOP-ATTACK ANTI-ARMOR MUNITIONS CONTAINING SELF-FORGINGFRAGMENT (SFF) WARHEADS ARE DEDICATED DESIGNS THAT ARE INTENDED TO DEFEAT A SPECIFIC TYPE OF TARGET AND ARE GENERALLY LESS EFFECTIVE AGAINST OTHER TARGETS. THUS ONE TYPE OF WARHEAD DESIGN IS PRESENTLY USED AGAINST HARD TARGETS, SUCH AS TANKS, AND A DIFFERENT TYPE IS USED AGAINST SOFT TARGETS, SUCH AS ARMORED PERSONNEL CARRIERS OR TRUCK ...

GENERAL SCIENCES, INCORPORATED PROPOSES THE USE OF HIGHLY ENERGETIC PARTICLE FORMATION TECHNIQUES FOR THE PRODUCTION OF HIGH INTENSITY CLOUDS FOR COMBINED IR OPTICS INCAPACITATION AND ENGINE PARTICLE INGESTION. UTILIZING THE SGI PROPRIETARY HI-THERM SYNTHESIS TECHNOLOGY, THIS APPROACH WILL PRODUCE VERY-FINE REFRACTORY CERAMIC PARTICLES THROUGH A RAPID, HIGH TEMPERATURE REACTION. CALCULATIONS WILL ...

THIS PROPOSAL IS ADDRESSED TO THE TECHNICAL PROBLEM OF DETERMINING THE FAR-FIELD PERFORMANCE OF ADAPTIVE ARRAY ANTENNAS USING NEAR-FIELD MEASUREMENTS. THE INNOVATIVE CONCEPT PROPOSED IS TO FOCUS THE ARRAY IN THE NEAR FIELD BY THE FRESNEL TRANSFORM APPROXIMATION TO, IN EFFECT, MAKE PLANAR THE SPHERICAL WAVEFRONTS FROM NEAR-FIELD JAMMERS, SO THAT THEY APPEAR TO BE LOCATED IN THE FAR-FIELD WHEN THE A ...

THE OBJECTIVE OF THIS PROJECT IS TO DEFINE THE DESIGN PRINCIPLES OF A SMART PHASED ARRAY RADAR SYSTEM WHICH INTEGRATES THE FOLLOWING FUNCTIONS (I) DIGITAL BEAMFORMING, (II) SELF-MONITORING OF ARRAY PERFORMANCE, (III) AUTOMATIC DETECTION AND CORRECTION OF COMMON AND CORRECTABLE ELEMENT FAILURES, AND (IV) RAPID (MICROSECOND) JAMMER NULLING. SELF-MONITORING AND FAILURE COMPENSATION WILL BE PERFORMED ...