Accelerometers. Atmospheric Structure Investigation Accelerometers. During the aerobraking phase of the mission, data from the engineering accelerometer was ...
NASA Website
... Title : Shock Isolated Accelerometer,. ... (Author). Descriptors : * Accelerometers, *Transducers, Shock, Isolation, Pistons, Bores. ...
DTIC Science & Technology
... Title : Fluidic Circuits for Accelerometer. ... Descriptors : *ACCELEROMETERS), (*FLUIDICS, VORTICES, FEEDBACK, FLUID AMPLIFIERS, GAIN. ...
... Title : Fluidic Circuits for Accelerometer. ... An existing vortex accelerometer design was modified to include provisions for negative feedback. ...
accelerometer that can be used to measure acceleration in different ... The pattern for making the accelerometer box is included in this guide. It must be ...
The most commonly used accelerometers in the industrial market ... Accelerometers made this way are being usedin the automotive ...
... EVALUATION OF MULTIPLE ACCELEROMETERS USING A ... IN-HOUSE ACCELEROMETERS USING A MODEL DATA ACQUISITION SYSTEM 5b. ...
accelerometers, for determining atmospheric density during Odyssey aerobraking ... of the aerobraking phase of the mission, the accelerometer data analysis ...
... accelerometer-derived thermospheric total mass densities. ... SATELLITES, *ACCELEROMETERS, DENSITY, ATMOSPHERES, COEFFICIENTS ...
which registers the change in velocity as sensed "by the accelerometers ... accelerometer data is presented with the recommendation that the non- ...
axial accelerometers are available, as well as several options for including the model's mass ... For small, simple structures, accelerometer locations ...
Isolated accelerometer measurement systems are used to measure environments composed of a wide spectrum of frequencies including the natural frequency of the isolated accelerometer. Because the isolated accelerometer measurement system is a nonlinear syst...
National Technical Information Service (NTIS)
The patent describes an accelerometer test system using an aluminum rod as a shaker or vibrator for comparing the performance of a test accelerometer with a standard accelerometer. The rod is driven by piezoelectric crystals affixed to its sides. The outp...
... Descriptors : *ACCELEROMETERS, VIBRATION, DETECTORS, AIR CONDITIONING EQUIPMENT, MICROELECTROMECHANICAL SYSTEMS ...
... in place. Results have been obtained for several piezoelectric accelerometers. (Author). Descriptors : *ACCELEROMETERS ...
... Descriptors : *ACCELEROMETERS, *CALIBRATION, *PATENTS, SIGNAL PROCESSING, OCEAN WAVES, ACCELERATION, ROTATION ...
... Title : SOME METHODS OF APPROXIMATING AN OMNIDIRECTIONAL ACCELEROMETER WITH MULTIPLE UNIAXIAL ACCELEROMETERS,. ...
... Descriptors : (*ACCELEROMETERS, OPERATION), (*GYROSCOPES, ACCELEROMETERS), SERVOMECHANISMS, NONLINEAR SYSTEMS ...
The data from the engineering accelerometer will be used to determine the atmospheric density at the altitude of the spacecraft. ...
... Descriptors : *ACCELEROMETERS, *PATENTS, MANUFACTURING, MONOLITHIC STRUCTURES(ELECTRONICS), PIEZOELECTRIC ...
... (Author). Descriptors : *ACCELEROMETERS, *TORQUE, STABILITY, ANALOG TO DIGITAL CONVERTERS, BIAS, ANALOG SYSTEMS, BINARY ...
included use of both geophones and accelerometers as detectors, ... indicate that geophones on the surface and an accelerometer in the ...
... Accession Number : ADD301134. Title : HIGH SENSITIVITY PIEZOELECTRIC ACCELEROMETER. Corporate Author : Personal ...
... Descriptors : *COUPLING(INTERACTION), TEMPERATURE, COILS, OPTIMIZATION, ACCELEROMETERS, THESES, VARIATIONS ...
... Descriptors : *ACCELEROMETERS, FLUIDS, VORTEX GENERATORS, MANUFACTURING, AMPLIFIERS, NOISE, DYNAMICS, ACCELERATION. ...
A Kearfott pendulous accelerometer was integrated with a United Aircraft pulse torque servo assembly
NASA Technical Reports Server (NTRS)
... Descriptors : *INERTIAL NAVIGATION, ACCELEROMETERS, SUPERCONDUCTORS, MOTION, GRADIOMETERS, GRAVITY, INERTIAL ...
... Accession Number : AD0259252. Title : DAMPING OF ACCELEROMETERS WITH A HIGHER NATURAL FREQUENCY. ...
... Descriptors : *ACCELEROMETERS, *PIEZOELECTRIC TRANSDUCERS, LOW COSTS, PERFORMANCE(ENGINEERING), CHIPS(ELECTRONICS ...
... Descriptors : (*ACCELEROMETERS, CHARGED PARTICLES), GLASS, SPHERES, ELECTROMAGNETIC FIELDS, OSCILLATION, DIFFERENTIAL ...
... Accession Number : ADD009754. Title : Angular Accelerometer. Descriptive Note : Patent,. Corporate Author : DEPARTMENT ...
... Descriptors : *ACCELEROMETERS, *STABILIZED PLATFORMS, *PATENTS, STABILIZATION, GYRO STABILIZERS, SIGNAL PROCESSING. ...
... The outputs of both accelerometers at ten different frequencies are amplified, filtered and displayed on a digital voltmeter and on an oscilloscope. ...
... SOUNDING, FALLING BODIES), (*UPPER ATMOSPHERE, DENSITY), (*ACCELEROMETERS, *METEOROLOGICAL INSTRUMENTS), SPHERES ...
... Descriptors : *ACCELEROMETERS, *CRYSTAL OSCILLATORS, OSCILLATORS, ELECTRONICS, MACHINING, EXPERIMENTAL DESIGN, ...
Tests have revealed that the most commonly used accelerometer ... Piezoelectric ring-shaped shear accelerometers are the most commonly used at the Goddard ...
............................................................................................................ 9 2.2 Accelerometers........................................................................................................................ 11 2.3 Accelerometer ...
E-print Network
The ultra-sensitive accelerometer, developed for NASA ... accelerometers needed to have less than los9 F.S. off-axi~ sensitivity; to be thermally and ...
Problems of the two types of floated pendulum accelerometers formerly developed by the authors are discussed. In one of the accelerometers the pendulum in a cylindrical float was supported with pivots and jewels of the output axis, and in the other accele...
This paper presents a novel concept for isolating an accelerometer from large, potentially damaging, transient accelerations. It consists of a piston, bore, and a present frictional force between the two. The accelerometer is mounted on the piston. The pi...
... from four satellite accelerometer systems ... re-entry data and contractual ... ACCELEROMETERS, *ARTIFICIAL SATELLITES, DATA BASES, REENTRY ...
Microgravity accelerometers used in the harsh environment of space must measure ... The resulting accelerometer will have a small, 2 cm x 2 cm x 0.6 cm ...
determined by the use of accelerometers. ... The resulting accelerometer record was suiciently pure ... Two 1/io-g accelerometers were mounted on the top of ...
Accordingly, it is the primary object of the present invention to overcome the disadvantages of the prior art piezoelectric accelerometers by providing a method of manufacturing piezoelectric accelerometers in a monolithic manufacturing process which redu...
The purpose of the contract was to improve the performance of the INCOFLEX (Trademark) accelerometer; design and develop torquing electronics with a digital output; and build and test one 2 axis and one 3-axis version of the accelerometer. Performance imp...
GRACE-A Level-1B Accelerometer Housekeeping Data ... SUPERSTAR > Space Triaxial Accelerometer for Research Missions � Ancillary Description ...
When the spacecraft carries an accelerometer, these measured accelerations can be ... These are calculated by combining the mean value of the accelerometer ...
The ultra-sensitive accelerometer, developed for NASA to monitor the microgravity ... The utilization of these accelerometers in multi-axis compact ...
Project Title: Comprehensive Accelerometer Data Analysis Software. 15.01-8086 901133 Comprehensive Accelerometer Data Analysis Software. Abstract: ...
JPL is closely involved with the X-33 program that is currently using MEMS accelerometer. COTS accelerometer was also evaluated for NASA's DS-1 microprobe ...
The rovers use accelerometers ... accelerometer and gyro readings or gyro readings and ... attitude estimate while stationary using the accelerometers ...
An angular accelerometer with a blade damper on a torsion arm was examined. A comparative evaluation was conducted with a conventional inertia angular accelerometer for sensitivity. Relationships for parameter selection are given. The possibility of obtai...
understanding of data analysis techniques so that they can request appropriate analyses to best interpret accelerometer data. Accelerometer data sampling ...
Apr 7, 2002 ... There are four accelerometer assemblies aboard the orbiter, each containing two identical single-axis accelerometers, one of which senses ...
Page 1. A Comparative Study of All-Accelerometer ... 4. TITLE AND SUBTITLE A Comparative Study of All-Accelerometer Strapdowns for UAV INS 5a. ...
