The dynamic behavior of the AUV II thruster was mathematically modeled by a four quadrant mapping of the propeller blade lift/drag coefficients as a function of fluid effective angle of attack. The model was validated with experimental transient response test tank data of the actual AUV II thruster, yielding improved predicted results with respect to previous thruster models. An open loop static mapping control law was formulated, simulated, and evaluated utilizing the new model.
Topics: Thruster, Dynamic response, Autonomous underwater vehicles (AUV)
The response of small tunnel thrusters to triangular and square wave changes in applied voltages to the thruster motor is studied. Previous mathematical models have attempted to identify the dynamic characteristics in thruster responses in order to minimize limit cycling in underwater vehicle position control. These experiments validate the effect of fluid inertia in the tunnel for long and shorter period commands. Additionally, the presence of a transient lag between changes in propeller speed...
Topics: Thrusters, Dynamic response, Autonomous underwater vehicles (AUV)
256
256
Jun 19, 2010
06/10
by
Dettmering, W.; Fett, F
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eye 256
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Dynamic response and transfer functions of turbojet engines with air extraction behind compressor
Topics: COMPRESSORS, TURBOJET ENGINE, DYNAMIC CHARACTERISTICS, DYNAMIC RESPONSE, EXTRACTION, JET ENGINES,...
445
445
Jun 18, 2010
06/10
by
Boyce, G. D
texts
eye 445
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Dynamic response of frequency modulation radio receiver employing amplitude sensitive discriminator
Topics: CENTAUR LAUNCH VEHICLE, FREQUENCY MODULATION, RADIO RECEIVER, DISCRIMINATORS, DYNAMIC RESPONSE,...
ABSTRACT The study investigated the dynamic soil properties of States in Niger Delta region of Nigeria as a function of seismic activities. The down-hole seismic test was used to determine the response of the soils. The results of soil samples collected up to 30m depth, showed that the average young modulus increases with increase in depth, which ranged from 115.77±1.74 to 3231.17±1.01 kPa across the States. Also, shear wave velocity generally increases with increase in depth. The average...
Topics: Seismic activities, Soil dynamic response, Niger Delta region
281
281
Jul 6, 2010
07/10
by
Wright, P. E
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eye 281
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Requirements and development of standards for occupational medicine support of personnel in the Lunar Receiving Laboratory (LRL) are outlined. Considered are proper personnel performance and exclusion of people prone to develop a serious illness within the quarantine area. Occupational medicine report for the LRL consists of examination procedures covering laboratory work, periodic examinations, immunizations, health maintenance, preventive practices, medical standards, and waiver authority.
Topics: CALIBRATING, ENERGY BANDS, SPECTROGRAPHS, WAVELENGTHS, DYNAMIC RESPONSE, OPTICAL MEASUREMENT, STARS
768
768
May 31, 2011
05/11
by
Greene, William D.; Boxx, Dayna L
texts
eye 768
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The subject of cryogenic propellant densification as a potential upgrade to the Space Shuttle is a subject that has been raised on several occasions over the last decade. Due to advancements in densification technology made as a part of and in parallel to the X-33 project, the subject was raised and studied once again in May 2001. Across the Space Shuttle program people from many disciplines converged to discuss issues and perform trade studies to determine whether densified propellants was...
Topics: AIRFOILS, GUSTS, AEROACOUSTICS, BOUNDARY CONDITIONS, DYNAMIC RESPONSE, COMPUTATIONAL GRIDS,...
96
96
Jul 31, 2017
07/17
by
© IASET
texts
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As the seismic load acting on a structure is a function of the self-weight of the structure, these structures are made comparatively light and flexible, which have relatively low natural damping. Results make the structures more vibration prone. New generation high rise building is equipped with an artificial damping device for vibration control through energy dissipation. A tuned mass damper is a device consisting of a mass, a spring, and a damper that is attached to a structure in order to...
Topics: dampers, dynamic response, flexibility, frequency, spring, Time history, Tuned mass
280
280
Jun 20, 2010
06/10
by
Higdon, D. T
texts
eye 280
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Approximation method for determining response of nonlinear dynamic systems to random disturbances
Topics: APPROXIMATION, DYNAMIC RESPONSE, NONLINEAR SYSTEM, RANDOM LOAD, COVARIANCE, DYNAMIC RESPONSE,...
234
234
May 6, 2010
05/10
by
Elkind, J. I.; Green, D. M.; Kelly, J. A.; Young, L. R
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eye 234
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Adaptive dynamic response of human operator in simple manual control
Topics: DYNAMIC RESPONSE, HUMAN PERFORMANCE, MANUAL CONTROL, MANUALS, HUMAN PERFORMANCE, MANUAL CONTROL
229
229
Jun 3, 2011
06/11
by
Weiser, Erik S.; SaintClair, Terry L.; Nemeth, Michael P
texts
eye 229
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The use of foam insulation on the External Tank (ET) was necessitated by the potentially hazardous build up of ice on the vehicle prior to and during launch. This use of foam was initiated on the Saturn V rocket, which, like the Space Shuttle, used cryogenic fuel. Two major types of foam have been used on the ET. The first type is NCFI 24-124, an acreage material that is automatically sprayed on in a controlled environment. It replaced CPR 488 in 1998 and has been used since that time. The...
Topics: DESIGN ANALYSIS, PAYLOADS, DYNAMIC RESPONSE, SPACE SHUTTLE ORBITERS, CLEARANCES, RAPID PROTOTYPING
Modal analysis helps to determine the system frequencies and to obtain the eigen modes of various structural members subjected to vibration. In this research, modal analysis and harmonic analysis of a cantilever beam with different sections of same weight and material i.e., rectangle, T-section and I-section are carried out using ANSYS software to see the mode shapes and to observe the dynamic response of the cantilever beam and to identify the best configuration of the beam.
Topics: Modal Analysis, Mode Shapes, Natural Frequencies, Harmonic Analysis, Dynamic Response & Ansys
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237
May 31, 2011
05/11
by
NON
texts
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Running resistance, the combined resistance induced by aerodynamic drag and mechanical friction, absorbs about 16 percent of railroad budget and maintenance costs. In order to study these losses, AT&SF Railroad entered into a joint research project with the Jet Propulsion Laboratory. Various train configurations were tested when the resulting data was computer analyzed. The Coast-Down Technique was estimated at one percent accuracy. AT&SF is evaluating the data further.
Topics: AIRFOILS, DYNAMIC RESPONSE, GUSTS, NONLINEARITY, AEROACOUSTICS, IMPINGEMENT, UNSTEADY AERODYNAMICS,...
470
470
Jul 11, 2010
07/10
by
Hickox, C. E
texts
eye 470
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A study to investigate the hydraulic atomization characteristics of several novel injector designs for use in liquid propellant rocket engines is presented. The injectors were manufactured from a series of thin stainless steel platelets through which orifices were very accurately formed by a photoetching process. These individual platelets were stacked together and the orifices aligned so as to produce flow passages of prescribed geometry. After alignment, the platelets were bonded into a...
Topics: CONFERENCES, DYNAMIC RESPONSE, SCALE MODELS, CONTROL THEORY, DECISION MAKING, OPTIMAL CONTROL,...
This study is concerned with the feasibility of the equation of motion considering dynamic relative displacement between support points. It provides an experimental result of a testing frame structure under dynamic relative displacement and simulation of the dynamic behavior using the equation. The results showed that the simulation could represent the dynamic behavior of the frame under relative displacement between support points and it could be concluded that the analytical method could...
Topics: Equation of Motion, Inertial Force, Relative Displacement, Non-Linear Dynamic Response Analysis
286
286
Jul 6, 2010
07/10
by
PETROV, B. N.; RAUSHENBAKH, B. V
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THE HISTORY OF AUTOMATIC CONTROL IN RUSSIA IS REVIEWED. THIS INCLUDES: TEMPERATURE CONTROL, LAUNCH VEHICLES, COMMUNICATION SATELLITES, WEATHER SATELLITES, PLANETARY SATELLITES, LUNAR SATELLITES, MANNED FLIGHTS.
Topics: DYNAMIC RESPONSE, ECCENTRICITY, ROTORS, DEFLECTION, ELASTIC DEFORMATION, EULER-LAGRANGE EQUATION,...
324
324
May 30, 2011
05/11
by
Prigent, Catherine; Pardo, Juan R.; Mishchenko, Michael I.; Rossow, Willaim B
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Special Sensor Microwave /Imager (SSM/I) observations in cloud systems are studied over the tropics. Over optically thick cloud systems, presence of polarized signatures at 37 and 85 GHz is evidenced and analyzed with the help of cloud top temperature and optical thickness extracted from visible and IR satellite observations. Scattering signatures at 85 GHz (TbV(85) less than or = 250 K) are associated with polarization differences greater than or = 6 K, approx. 50%, of the time over ocean and...
Topics: ACOUSTICS, DYNAMIC RESPONSE, NUMERICAL ANALYSIS, SOUND FIELDS, CONSERVATION, GUSTS, NONLINEAR...
419
419
Jul 26, 2010
07/10
by
Mayes, William H.; Lanford, Wade E.; Hubbard, Harvey H
texts
eye 419
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comment 0
No Abstract Available
Topics: AIRCRAFT CONTROL, IN-FLIGHT MONITORING, PILOT PERFORMANCE, COCKPITS, DYNAMIC RESPONSE, MAN MACHINE...
285
285
Sep 20, 2010
09/10
by
Brinker, David J.; Flood, Dennis J
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eye 285
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The development of an advanced photovoltaic power system that would have application for a manned lunar base is currently planned under the Surface Power element of Pathfinder. Significant mass savings over state-of-the-art photovoltaic/battery systems are possible with the use of advanced lightweight solar arrays coupled with regenerative fuel cell storage. The solar blanket, using either ultrathin GaAs or amorphous silicon solar cells, would be integrated with a reduced-g structure....
Topics: CONTROLLERS, DYNAMIC CONTROL, FLEXIBLE BODIES, STRUCTURAL DESIGN, DYNAMIC RESPONSE, FEEDBACK...
231
231
Jul 11, 2010
07/10
by
Brune, G. W.; Weber, J. A.; Johnson, F. T.; Lu, P.; Rubbert, P. E
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A method of predicting forces, moments, and detailed surface pressures on thin, sharp-edged wings with leading-edge vortex separation in incompressible flow is presented. The method employs an inviscid flow model in which the wing and the rolled-up vortex sheets are represented by piecewise, continuous quadratic doublet sheet distributions. The Kutta condition is imposed on all wing edges. Computed results are compared with experimental data and with the predictions of the leading-edge suction...
Topics: CONTROL THEORY, DYNAMIC RESPONSE, SCALE MODELS, COMPLEXITY, COORDINATION, DECISION MAKING,...
603
603
Jun 27, 2010
06/10
by
Vorontsova, Ye. I., et al
texts
eye 603
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No Abstract Available
Topics: PITCH (INCLINATION), SUPERSONIC AIRCRAFT, VORTICES, WING PLANFORMS, AERODYNAMIC CHARACTERISTICS,...
The relationship between multivariable zeros and inverse systems was explored. A definition of zero module is given in such a way that it is basis independent. The existence of essential right and left inverses were established. The way in which the abstract zero module captured previous definitions of multivariable zeros is explained and examples are presented.
Topics: NASA Technical Reports Server (NTRS), FEEDBACK CONTROL, MATHEMATICAL MODELS, DYNAMIC RESPONSE,...
411
411
Jul 5, 2010
07/10
by
Clevenson, S. A
texts
eye 411
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comment 0
No Abstract Available
Topics: AIRCRAFT CONTROL, DYNAMIC RESPONSE, FLIGHT TESTS, TRANSFER FUNCTIONS, AIRCRAFT STABILITY,...
285
285
Jun 13, 2011
06/11
by
Litt, Jonathan S
texts
eye 285
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A new linear point design technique is presented for the determination of tuning parameters that enable the optimal estimation of unmeasured engine outputs such as thrust. The engine s performance is affected by its level of degradation, generally described in terms of unmeasurable health parameters related to each major engine component. Accurate thrust reconstruction depends upon knowledge of these health parameters, but there are usually too few sensors to be able to estimate their values....
Topics: AEROELASTICITY, DYNAMIC RESPONSE, FLIGHT TESTS, FLUTTER, SPECTRAL METHODS, SPECTRUM ANALYSIS, F-18...
281
281
Jul 11, 2010
07/10
by
Pilkey, W. D.; Chen, Y. H
texts
eye 281
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An indirect synthesis method is used in the efficient optimal design of multi-degree of freedom, multi-design element, nonlinear, transient systems. A limiting performance analysis which requires linear programming for a kinematically linear system is presented. The system is selected using system identification methods such that the designed system responds as closely as possible to the limiting performance. The efficiency is a result of the method avoiding the repetitive systems analyses...
Topics: AERODYNAMIC STABILITY, SUPERCONDUCTING MAGNETS, WIND TUNNELS, DYNAMIC RESPONSE, FEASIBILITY...
The objective of this project is to develop an in-depth understanding of the influence of extrinsic and intrinsic microstructural parameters on dynamic response and failure behavior of Al-Cu alloys through carefully planned and fully instrumented parametric experiments and detailed microstructural characterization at various length scales. Our ultimate goal is to understand microstructural configurations that suppress the tendency of material to shear localization in the form of adiabatic shear...
Topics: DTIC Archive, ILLINOIS INST OF TECH CHICAGO, *ALLOYS, *DYNAMIC RESPONSE, ADIABATIC CONDITIONS,...
236
236
May 23, 2011
05/11
by
Reddy, D. R.; Lafe, O.; Cheng, A. H-D
texts
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Using global interpolation functions (GIF's), boundary element solutions are obtained for two- and three-dimensional viscous flows. The solution is obtained in the form of a boundary integral plus a series of global basis functions. The unknown coefficients of the GIF's are determined to ensure the satisfaction of the governing equations at selected collocation points. The values of the coefficients involved in the boundary integral equations are determined by enforcing the boundary conditions....
Topics: KALMAN FILTERS, MULTISENSOR FUSION, GRAVIMETRY, ATTITUDE (INCLINATION), DYNAMIC RESPONSE, LINE OF...
Circuit multiplies capacitance without increasing overall circuit gain. In addition, circuit may be designed to include lag or lead/lag transfer function and independent gain adjustment.
Topics: NASA Technical Reports Server (NTRS), CAPACITANCE, CIRCUITS, DYNAMIC RESPONSE, IMPROVEMENT, Kline,...
279
279
Jun 21, 2010
06/10
by
Aleksandrov, Yu. N.; Kuznetsov, B. I.; Rzhiga, O. N
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eye 279
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Investigating Venus backscattering by Doppler effect on reflected radar signals
Topics: ACCELERATION (PHYSICS), DYNAMIC RESPONSE, SEMICIRCULAR CANALS, TEMPERATURE EFFECTS, BIOPHYSICS,...
247
247
Jun 27, 2010
06/10
by
Allen, C. Q
texts
eye 247
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comment 0
No Abstract Available
Topics: GROUND WIND, TITAN 2 ICBM, WIND EFFECTS, X-20 AIRCRAFT, AERODYNAMIC LOADS, DYNAMIC RESPONSE
440
440
May 22, 2011
05/11
by
Shen, Yong-Hong; Askari, Bruc
texts
eye 440
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A primer Computerized Maintenance Management System (CMMS) has been established for NASA Ames pressure component certification program. The CMMS takes full advantage of the latest computer technology and SQL relational database to perform periodic services for vital pressure components. The Ames certification program is briefly described and the aspects of the CMMS implementation are discussed as they are related to the certification objectives.
Topics: AIRCRAFT PERFORMANCE, DYNAMIC RESPONSE, ENGINE TESTS, FLIGHT TESTS, THRUST, AIRCRAFT ENGINES,...
Five accelerometers mounted near the adapter base of the Titan 3-C launch vehicle and three on the hub of the ATS-F spacecraft provided (1) data for verifying basic spacecraft mode shapes and frequencies during powered flight while attached to the launch vehicle; (2) failure mode detection and diagnostic information on in-flight anomalies; and (3) data to be used in the design of future spacecraft to be flown on the Titan 3-C. Because data from the instruments mounted on the spacecraft hub...
Topics: NASA Technical Reports Server (NTRS), ACCELEROMETERS, ATS 6, DYNAMIC RESPONSE, IN-FLIGHT...
256
256
May 22, 2011
05/11
by
Litt, Jonathan; Wong, Edmond; Simon, Donald L
texts
eye 256
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A prototype Lisp-based soft real-time object-oriented Graphical User Interface for control system development is presented. The Graphical User Interface executes alongside a test system in laboratory conditions to permit observation of the closed loop operation through animation, graphics, and text. Since it must perform interactive graphics while updating the screen in real time, techniques are discussed which allow quick, efficient data processing and animation. Examples from an...
Topics: CONTROL THEORY, DYNAMIC LOADS, END EFFECTORS, FEEDBACK, MANIPULATORS, ROBOTICS, COMPUTERIZED...
308
308
May 31, 2011
05/11
by
Jones, Thomas W.; Pappa, Richard S
texts
eye 308
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Results from initial laboratory investigations with the dot projection photogrammetric technique are presented for three wind-tunnel test articles with a range of surface scattering and reflection properties. These test articles are a semispan model and a micro air vehicle with a latex wing that are both diffusely reflecting, and a highly polished specularly reflecting model used for high Reynolds number testing. Results using both white light and laser illumination are presented. Some of the...
Topics: FORCE DISTRIBUTION, STRUCTURAL DESIGN, DESIGN OPTIMIZATION, EXPERIMENT DESIGN, COMPUTERIZED...
In order to investigate the physics behind the dispersion and test future design changes, a detailed finite element model of the PHALANX gun was developed. This is the first finite element model of the gun ever. The normal modes of a single barrel have been matched favorably with those of a real barrel. This model has been used to calculate the normal modes of vibration of the whole gun in order to predict the motion of the complex system. Barrel tip displacement, which plays a critical role in...
Topics: Dynamic response, Finite element code, Frequency response functions, Modal analysis, PHALANX CIWS,...
182
182
Jun 21, 2010
06/10
by
Bailey, H. E.; Fuller, F. B.; Lomax, H
texts
eye 182
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Numerical difficulties in integrating equations for one dimensional nonequilibrium nozzle flow of gas
Topics: SPACECRAFT, STRUCTURAL ANALYSIS, TRANSFER FUNCTIONS, DYNAMIC RESPONSE, FOURIER TRANSFORMATION,...
Stimuli responsive nanostructures constructed from rigid-flexible block molecules hold great promise for fabrication of intelligent nanodevices, nanoelectronics, and nanobiomaterials. One typical feature of rod amphiphiles is their unique anisotropic molecular shape and strong aggregation tendency through pi-pi stacking interactions, which has enabled construction of highly versatile and dynamic nanostructures. Variations in molecular structure and local environment, albeit small, allow the...
Topics: DTIC Archive, SEOUL NATIONAL UNIV (REPUBLIC OF KOREA), *NANOSTRUCTURES, DYNAMIC RESPONSE,...
625
625
Jul 26, 2010
07/10
by
NON
texts
eye 625
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comment 0
No Abstract Available
Topics: DYNAMIC RESPONSE, FOURIER ANALYSIS, MECHANICAL SHOCK, SHOCK LOADS, SHOCK SPECTRA, SHOCK TESTS,...
256
256
Jun 27, 2010
06/10
by
Florenskiy, P. V., et al
texts
eye 256
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Polar asymmetry in earth formations and on other planets
Topics: DYNAMIC RESPONSE, HIGH RESOLUTION, MASS SPECTROMETERS, PRODUCT DEVELOPMENT, QUADRUPOLES,...
279
279
May 27, 2011
05/11
by
Fieno, Danie
texts
eye 279
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The lethargy-dependent equations of the consistent Pl approximation to the Boltzmann transport equation for slowing down neutrons have been used as the basis of an IBM 704 computer program. Some of the effects included are (1) linearly anisotropic center of mass elastic scattering, (2) heavy element inelastic scattering based on the evaporation model of the nucleus, and (3) optional variation of the buckling with lethargy. The microscopic cross-section data developed for this program covered...
Topics: LIQUID SLOSHING, DAMPING, BAFFLES, CYLINDRICAL TANKS, TRANSLATIONAL MOTION, AIRCRAFT STABILITY,...
277
277
Jun 21, 2010
06/10
by
Corazzi, R.; Cygnarowicz, T. A
texts
eye 277
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Approximated gas flow rate through subsonic orifices
Topics: BIOPHYSICS, HUMAN BEINGS, MANNED SPACE FLIGHT, PHYSIOLOGICAL EFFECTS, VESTIBULES, ANGULAR VELOCITY,...
428
428
Jul 5, 2010
07/10
by
Allen, E. C
texts
eye 428
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Experimental aerodynamic investigations were made in the NASA/MSFC 14 x 14 inch trisonic wind tunnel on a NR-GD/C 0.0031 scale model delta wing booster (B-15B-1) and reusable nuclear stage (RNS). Three basic configurations were tested: (1) the B-15B-1 booster alone, (2) the RNS alone, and (3) the booster with the RNS mounted piggyback. Six component force and moment data were recorded for each of these configurations over an angle of attack range from -16 deg to 4 deg at zero degrees sideslip,...
Topics: COMPUTER PROGRAMS, CONTROL THEORY, INSTRUCTION SETS (COMPUTERS), MANUALS, SUBROUTINE LIBRARIES...
448
448
Jul 23, 2010
07/10
by
Ledoux, Paul W
texts
eye 448
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Material and configuration testing for the Space Shuttle is mainly at 30 percent oxygen concentration at 70 kPa (10.2 psia). This is the worst case atmosphere during a mission and occurs 10 hours prior to extravehicular activity. The pressure is reduced from the nominal 101 kPa (14.7 paia) and the oxygen concentration is increased to 30 percent for medical reasons to prevent the bends during the extravehicular activity. NASA has tested many materials at 23.8, 25.9 and 30 percent oxygen levels...
Topics: AEROELASTICITY, UNSTEADY AERODYNAMICS, CONFIGURATION MANAGEMENT, DYNAMIC RESPONSE, STANDARDS,...
Structural synthesis is the analysis of the dynamic response of a system when either subsystems are combined (substructure coupling) or modifications are made to substructures (structural modification). The integral equation formulation for structural synthesis is a method that requires only the baseline transient response, the baseline modal parameters, and the impedance of the structural modification. The integral formulation results in a Volterra integral equation of the second-kind. An...
Topics: DTIC Archive, NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *INTEGRAL EQUATIONS, DYNAMIC RESPONSE,...
498
498
Jun 2, 2011
06/11
by
Green, Mike; Davies, Carol B; Prabhu, Dinesh; Palmer, Grant; Loomis, Mark P.; Venkatapathy, Ethiraj; Kontinos, Dean; Henline, William; Polsky, Susan; Papadopoulos, Periklis
texts
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The X-34 vehicle will provide the first flight demonstration under NASA's Reusable Launch Vehicle (RLV) program of a fully reusable launch vehicle. Under a fixed-price contract with NASA, Orbital Sciences Corporation (OSC) i s to provide a Mach 8 suborbital RLV technology demonstrator. The vehicle i s 18.3 meters in length, has a wingspan of 8.4 meters, and is powered by a single LOX-kerosene engine. The X-34 i s carried below an L-101 1 aircraft to an altitude in excess of 9 kilometers, where...
Topics: DESIGN ANALYSIS, FLUID DYNAMICS, DYNAMIC STRUCTURAL ANALYSIS, PIEZOELECTRIC ACTUATORS,...
274
274
Jun 27, 2010
06/10
by
Jaffe, P
texts
eye 274
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Planar and nonplanar dynamic stability coefficient using biplanar wind tunnel, free flight system
Topics: FOURIER-BESSEL TRANSFORMATIONS, IMAGES, SAMPLING, SCATTERING AMPLITUDE, THEOREM PROVING, AIRY...
746
746
Jul 11, 2010
07/10
by
Peasley, Q. D
texts
eye 746
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The exact coefficients for the explicit forms of the associated Legendre functions Pm for integer values of m,n=0,1,2,...25 are presented in tabular form together with two cross-referenced listings of the zeroes for these functions rounded to five decimal places. The unfactored coefficients and the interger coefficients are presented in adjacent columns for each function. The greatest common factor and divisor have been removed and listed separately for the integer coefficients.
Topics: DYNAMIC RESPONSE, EQUATIONS OF MOTION, MECHANICAL DEVICES, SUSPENSION SYSTEMS (VEHICLES), BANDS,...
295
295
May 30, 2011
05/11
by
Hilburger, Mark W.; Rose, Cheryl A.; Starnes, James H., Jr
texts
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Results from an analytical study of the response of a built-up, multi-cell noncircular composite structure subjected to combined internal pressure and mechanical loads are presented. Nondimensional parameters and scaling laws based on a first-order shear-deformation plate theory are derived for this noncircular composite structure. The scaling laws are used to design sub-scale structural models for predicting the structural response of a full-scale structure representative of a portion of a...
Topics: COMPOSITE MATERIALS, PIEZOELECTRICITY, TEMPERATURE EFFECTS, MECHANICAL PROPERTIES, SMART...
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259
Jun 12, 2011
06/11
by
Grossi, Davide; Dignum, Fran
texts
eye 259
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Norms specifying constraints over institutions are stated in such a form that allows them to regulate a wide range of situations over time without need for modification. To guarantee this stability, the formulation of norms need to abstract from a variety of concrete aspects, which are instead relevant for the actual operationalization of institutions. If agent institutions are to be built, which comply with a set of abstract requirements, how can those requirements be translated in more...
Topics: VIBRATION TESTS, ACCELEROMETERS, THERMAL PROTECTION, TILES, GROUND TESTS, FREQUENCY RESPONSE,...
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239
Jul 5, 2010
07/10
by
Bursnall, W. J
texts
eye 239
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comment 0
No Abstract Available
Topics: AUTOMATIC PILOTS, MISSILE CONTROL, RESONANT FREQUENCIES, SUPERSONIC FLIGHT, ATTITUDE CONTROL,...
