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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Scanner circuit sequentially samples the ac signals from accelerometers used in conducting noise vibration tests, and provides a time-averaged output signal. The scanner is used in conjunction with other devices for random noise vibration tests.
Flight test of electrostatic accelerometer which eliminates null bias problem
Effects of fixture stress vibration on mounted accelerometer signal
Ring accelerometer errors from stresses developed by fixture vibrations
Dynamic programming and inaccessible state variable theory applied to accelerometer design
Triaxial multiple channel accelerometer module for vestibular stimulation measurements in aircraft
Design, development, and fabrication of fluidic accelerometers
High temperature tests and heat sterilization of accelerometers and laser beam welding
Fluidic accelerometers - specifications and test results
Design, development, and thermal sterilization testing of two accelerometers
Improved technique calibrates piezoelectric accelerometers throughout temperature range from ambient to -450 degrees F. Method employs liquid helium as coolant, a cryogenic temperature chamber, a vibration measurement system, and a temperature measurement system.
Development and fabrication of three axis angular accelerometer system, and maintenance manual for its use
Research and development of sterilizable accelerometer
Accelerometer calibration with earth field dynamic calibrator
Calibrating low g accelerometer using mass attraction
Accelerometer with FM output signals indicative of mechanical strain on it
Strain gage accelerometer for angular acceleration measurement
Fluidic accelerometer utilizing seismic mass nulled by feedback loop and independent of supply pressure variations