What is it about?
To look at stars and planets, a spacecraft need to look at that target with very high (with the order<= sub-arcsecond) accuracy. So, this paper summarizes (with pros and cons description of) the Attitude Determination and Control System (ADCS) of all the past, current and future spacecraft launched by USA and Europe that had such good eyesight; and what algorithms and hardware were used to maintain such good sight. Then it shows the design of the ADCS of a future European mission named IRASSI which is developed by using the best currently available hardware and software in the American and European markets. IRASSI's ADCS is at least 925% better than the ESA's Herschel mission.
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Why is it important?
It shows an unprecedented performance improvement of at least 925% over ESA's Herschel mission and 285% over upcoming NASA's JWST mission.
Perspectives
This paper is the first paper ever which provides a complete overview of the Attitude Determination and Control System design of <=sub-arcsecond pointing spacecraft.
Divya Bhatia
Read the Original
This page is a summary of: Attitude Determination and Control System Design of Sub-Arcsecond Pointing Spacecraft, Journal of Guidance Control and Dynamics, October 2020, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.g005116.
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