Improvements to Calibration Modeling of a Tri-Axial Accelerometer Using Response Surface Methods
Improvements to Calibration Modeling of a Tri-Axial Accelerometer Using Response Surface Methods
- New search for: Kenneth Toro
- New search for: Jonathon Ponder
- New search for: Peter Parker
- New search for: Kenneth Toro
- New search for: Jonathon Ponder
- New search for: Peter Parker
Aerodynamic ground test facilities require precision attitude measurements to support fundamental research and aerodynamic vehicle characterization. Accelerometers are used as one solution for measuring test article attitude. Several wind-tunnel facilities experience elevated temperatures during sustained testing of approximately 38°C (100°F) and extremes up to 149°C (300°F). Accelerometer thermal corrections are required to maintain attitude measurement accuracy during elevated temperature tunnel conditions. This manuscript details characterization of non-linear and thermal effects of the Mini/MEMs Tri-Axis Sensor System (MTASS) developed at NASA. Non-linear effects are characterized using a two-axis index head, and temperature effects are characterized using a metallic cube in a thermal chamber. The results show a significant decrease in back-computed residuals for room temperature and elevated temperatures experiments.
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Improvements to Calibration Modeling of a Tri-Axial Accelerometer Using Response Surface Methods
11th IEEE International Symposium on Inertial Sensors & Systems (IEEE Inertial) ; 2024 ; Hiroshima, JP
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English
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