Reconfigurable Pointing Control for High Resolution Space Spectroscopy

Details Reconfigurable Pointing Control for High Resolution Space Spectroscopy Reconfigurable Pointing Control for High Resolution Space Spectroscopy

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997taea....1..982b&link_type=abstract

NASA University Research Centers Technical Advances in Education, Aeronautics, Space, Autonomy, Earth and Environment, vol. 1, p

Computer Science

Performance

Spectroscopy, Spacecraft Control, Pointing Control Systems, High Resolution, Switches, Spectrographs, Payloads, Infrared Radiation, Space Infrared Telescope Facility, Kalman Filters, Hubble Space Telescope

Scientific paper

In this paper, a pointing control performance criteria is established to support high resolution space spectroscopy. Results indicate that these pointing requirements are very stringent, and would typically be difficult to meet using standard 3-axis spacecraft control. To resolve this difficulty, it is shown that performance can be significantly improved using a reconfigurable control architecture that switches among a small bank of detuned Kalman filters. The effectiveness of the control reconfiguration approach is demonstrated by example on the Space Infra, Red Telescope Facility (SIRTF) pointing system, in support of the Infrared Spectrograph (IRS) payload.

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