Increased Operational Availability and Simplified Operations Using Dither Gyro Scale Factor Calibration | Zendy

Alan D. Reth | Zendy; Delano Carter | Zendy; Douglas Freesland | Zendy; Alexander Krimchansky | Zendy

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Increased Operational Availability and Simplified Operations Using Dither Gyro Scale Factor Calibration

Author(s) -

Alan D. Reth,

Delano Carter,

Douglas Freesland,

Alexander Krimchansky

Publication year - 2018

Publication title -

2018 spaceops conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2018-2590

Subject(s) - dither , calibration , scale (ratio) , scale factor (cosmology) , computer science , factor (programming language) , control theory (sociology) , mathematics , physics , artificial intelligence , telecommunications , statistics , bandwidth (computing) , cosmology , quantum mechanics , metric expansion of space , dark energy , programming language , control (management)

The traditional approach to on-orbit gyro scale factor calibration has been to perform large angle rotations about each gyro axis. The maneuvers require the science instruments to be taken offline, reducing operational availability and require a significant amount of interaction from the ground. To increase operational availability and to reduce the burden on mission operators, a novel approach to gyro scale factor calibration was developed, modeled and successfully demonstrated on the Geostationary Operational Environmental Satellite (GOES-16) to estimate gyro scale factor errors to within 1500 parts per million (ppm) without taking the science instruments offline.

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