Includes satellites; space platforms; space stations; spacecraft systems and components such as thermal and environmental controls; and attitude controls. For life support systems see 54 Man/System Technology and Life Support. For related information see also 05 Aircraft Design, Testing and Performance, 39 Structural Mechanics, and 16 Space Transportation. 19 SPACECRAFT INSTRUMENTATION N.A. For related information see also 06 Aircraft Instrumentation and 35 Instrumentation and Photography. 20 SPACECRAFT PROPULSION AND POWER 1491 Includes main propulsion systems and components, e.g., rocket engines; and spacecraft auxiliary power sources. For related information see also 07 Aircraft Propulsion and Power, 28 Propellants and Fuels, 44 Energy Production and Conversion, and 15 Launch Vehicles and Space Vehicles. CHEMISTRY AND MATERIALS 23 CHEMISTRY AND MATERIALS (GENERAL) N.A. 24 COMPOSITE MATERIALS 1492 Includes physical, chemical, and mechanical properties of laminates and other composite materials. For ceramic materials see 27 Nonmetallic Materials. 25 INORGANIC AND PHYSICAL CHEMISTRY 1495 Includes chemical analysis, e.g., chromatography; combustion theory; electrochemistry; and photochemistry. For related information see also 77 Thermodynamics and Statistical Physics. 26 METALLIC MATERIALS........... 1497 Includes physical, chemical, and mechanical properties of metals, e.g., corrosion; and metallurgy. 27 NONMETALLIC MATERIALS 1502 Includes physical, chemical, and mechanical properties of plastics, elastomers, lubricants, polymers, textiles, adhesives, and ceramic materials. For composite materials see 24 Composite Materials. 28 PROPELLANTS AND FUELS........... 1505 Includes rocket propellants, igniters and oxidizers; their storage and handling procedures; and aircraft fuels. For related information see also 07 Aircraft Propulsion and Power, 20 Spacecraft Propulsion and Power, and 44 Energy Production and Conversion. 29 MATERIALS PROCESSING 1507 Includes space-based development of products and processes for commercial application. For biological materials see 55 Space Biology. ENGINEERING For related information see also Physics. 31 ENGINEERING (GENERAL) 1507 Includes vacuum technology; control engineering; display engineering; cryogenics; and fire prevention. 32 COMMUNICATIONS AND RADAR 1508 Includes radar; land and global communications; communications theory; and optical communications. For related information see also 04 Aircraft Communications and Navigation and 17 Space Communications, Spacecraft Communications, Command and Tracking. For search and rescue see 03 Air Transportation and Safety, and 16 Space Transportation. 33 ELECTRONICS AND ELECTRICAL ENGINEERING 1516 Includes test equipment and maintainability; components, e.g., tunnel diodes and transistors; microminiaturization; and integrated circuitry. For related information see also 60 Computer Operations and Hardware and 76 Solid-State Physics. 34 FLUID MECHANICS AND HEAT TRANSFER 1522 Includes boundary layers; hydrodynamics; fluidics; mass transfer and ablation cooling. For related information see also 02 Aerodynamics and 77 Thermodynamics and Statistical Physics. 35 INSTRUMENTATION AND PHOTOGRAPHY ......... 1526 Includes remote sensors; measuring instruments and gauges; detectors; cameras and photographic supplies; and holography. For aerial photography see 43 Earth Resources and Remote Sensing. For related information see also 06 Aircraft Instrumentation and 19 Spacecraft Instrumentation. 36 LASERS AND MASERS Includes parametric amplifiers. For related information see also 76 Solid-State Physics. 1527 Includes auxiliary systems (nonpower); machine elements and processes; and mechanical equipment. 38 QUALITY ASSURANCE AND RELIABILITY ...... 1533 Includes product sampling procedures and techniques; and quality control. 39 STRUCTURAL MECHANICS.......... 1534 Includes structural element design and weight analysis; fatigue; and thermal stress. For applications see 05 Aircraft Design, Testing and Performance and 18 Spacecraft Design, Testing and Performance. GEOSCIENCES For related information see also Space Sciences. 42 GEOSCIENCES (GENERAL) 43 EARTH RESOURCES AND REMOTE SENSING 1537 1537 Includes remote sensing of earth resources by aircraft and spacecraft; photogrammetry; and aerial photography. For instrumentation see 35 Instrumentation and Photography. 44 ENERGY PRODUCTION AND CONVERSION 1539 Includes specific energy conversion systems, e.g., fuel cells; global sources of energy; geophysical conversion; and windpower. For related information see also 07 Aircraft Propulsion and Power, 20 Spacecraft Propulsion and Power, and 28 Propellants and Fuels. 45 ENVIRONMENT POLLUTION 1542 Includes atmospheric, noise, thermal, and water pollution. 46 GEOPHYSICS 1545 Includes aeronomy; upper and lower atmosphere studies; ionospheric and magnetospheric physics; and geomagnetism. For space radiation see 93 Space Radiation. 47 METEOROLOGY AND CLIMATOLOGY 1556 Includes weather forecasting and modification. 48 OCEANOGRAPHY .... 1558 Includes biological, dynamic, and physical oceanography; and marine resources. For related information see also 43 Earth Resources and Remote Sensing. LIFE SCIENCES 51 LIFE SCIENCES (GENERAL) 52 AEROSPACE MEDICINE 1558 ........ 1559 Includes physiological factors; biological effects of radiation; and effects of weightlessness on man and animals. 53 BEHAVIORAL SCIENCES ....... 1564 Includes psychological factors; individual and group behavior; crew training and evaluation; and psychiatric research. 54 MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT 1564 Includes human engineering; biotechnology; and space suits and protective clothing. For related information see also 16 Space Transportation. Includes hardware for computer graphics, firmware, and data processing. For components see 33 Electronics and Electrical Engineering. 61 COMPUTER PROGRAMMING AND SOFTWARE ....... 1567 Includes computer programs, routines, algorithms, and specific applications, e.g., CAD/CAM. 62 COMPUTER SYSTEMS ............ 1576 Includes computer networks and special application computer systems. Includes feedback and control theory, artificial intelligence, robotics and expert systems. For related information see also 54 Man/System Technology and Life Support. 64 NUMERICAL ANALYSIS 1579 Includes iteration, difference equations, and numerical approximation. 65 STATISTICS AND PROBABILITY 1586 Includes data sampling and smoothing; Monte Carlo method; and stochastic processes. For precision time and time interval (PTTI) see 35 Instrumentation and Photography; for geophysics, astrophysics or solar physics see 46 Geophysics, 90 Astrophysics, or 92 Solar Physics. 71 ACOUSTICS.......... 1590 Includes sound generation, transmission, and attenuation. For noise pollution see 45 Environment Pollution. 72 ATOMIC AND MOLECULAR PHYSICS 1591 Includes atomic structure, electron properties, and molecular spectra. 73 NUCLEAR AND HIGH-ENERGY PHYSICS ...... 1594 Includes elementary and nuclear particles; and reactor theory. For space radiation see 93 Space Radiation. 74 OPTICS 1596 Includes light phenomena and optical devices. For lasers see 36 Lasers and Masers. 75 PLASMA PHYSICS ........... 1596 Includes magnetohydrodynamics and plasma fusion. For ionospheric plasmas see 46 Geophysics. For space plasmas see 90 Astrophysics. 76 SOLID-STATE PHYSICS 1604 Includes superconductivity. For related information see also 33 Electronics and Electrical Engineering and 36 Lasers and Masers. 77 THERMODYNAMICS AND STATISTICAL PHYSICS .... 1611 Includes quantum mechanics; theoretical physics; and Bose and Fermi statistics. For related information see also 25 Inorganic and Physical Chemistry and 34 Fluid Mechanics and Heat Transfer. Includes information management; information storage and retrieval technology; technical writing; graphic arts; and micrography. For computer documentation see 61 Computer Programming and Software. 83 ECONOMICS AND COST ANALYSIS N.A. Includes cost effectiveness studies. 84 LAW, POLITICAL SCIENCE AND SPACE POLICY N.A. Includes NASA appropriation hearings; aviation law; space law and policy; international law; international cooperation; and patent policy. 85 URBAN TECHNOLOGY AND TRANSPORTATION N.A. Includes applications of space technology to urban problems; technology transfer; technology assessment; and surface and mass transportation. For related information see 03 Air Transportation and Safety, 16 Space Transportation, and 44 Energy Production and Conversion. vi ACCESSION NUMBER TITLE AUTHOR CONTRACT OR GRANT REPORT NUMBERS TYPICAL CITATION AND ABSTRACT NASA SPONSORED ON MICROFICHE N91-10047*# Georgia Inst. of Tech., Atlanta. School of Aerospace NONLINEAR FEEDBACK CONTROL FOR HIGH ALPHA (Grant NAG1-959) (NASA-CR-186545; NAS 1.26;186545) Avail: NTIS HC/MF A03 Analytical aerodynamic models are derived from a high alpha 6 CORPORATE SOURCE PUBLICATION DATE viii |