In-space calibration of a gyro quadruplet | Zendy

Richard Harman | Zendy; Itzhack Y. BarItzhack | Zendy

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In-space calibration of a gyro quadruplet

Author(s) -

Richard Harman,

Itzhack Y. BarItzhack

Publication year - 2001

Publication title -

aiaa guidance, navigation, and control conference and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2001-4152

Subject(s) - calibration , computer science , space (punctuation) , artificial intelligence , computer vision , mathematics , statistics , operating system

This work presents a new approach to gyro calibration where, in addition to being used for computing attitude that is needed in the calibration process, the gyro outputs are also used as measurements in a Kalman filter. This work also presents an algorithm for calibrating a quadruplet rather than the customary triad gyro set. In particular, a new misalignment error model is derived for this case. The new calibration algorithm is applied to the EOS-AQUA satellite gyros. The effectiveness of the new algorithm is demonstrated through simulations.

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