NDLI: Attitude sensor and gyro calibration for messenger

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Attitude sensor and gyro calibration for messenger

Content Provider	NASA Technical Reports Server (NTRS)
Author	Pittelkau, Mark E. O'Shaughnessy, Daniel
Copyright Year	2007
Description	The Redundant Inertial Measurement Unit Attitude Determination/Calibration (RADICAL(TM)) filter was used to estimate star tracker and gyro calibration parameters using MESSENGER telemetry data from three calibration events. We present an overview of the MESSENGER attitude sensors and their configuration is given, the calibration maneuvers are described, the results are compared with previous calibrations, and variations and trends in the estimated calibration parameters are examined. The warm restart and covariance bump features of the RADICAL(TM) filter were used to estimate calibration parameters from two disjoint telemetry streams. Results show that the calibration parameters converge faster with much less transient variation during convergence than when the filter is cold-started at the start of each telemetry stream.
File Size	1265886
Page Count	15
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20080012730
Archival Resource Key	ark:/13960/t4zh1m932
Language	English
Publisher Date	2007-09-24
Access Restriction	Open
Subject Keyword	Spacecraft Instrumentation And Astrionics Attitude Inclination Spacecraft Instruments Calibrating Star Trackers Gyroscopes Messenger Spacecraft Telemetry Attitude Indicators Inertial Platforms Attitude Gyros Navigation Instruments Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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