| Autor: |
Yasuda Susumu, Bando Nobutaka, Hatsutori Yoichi, Niwa Yoshito, Tsuiki Atsuo, Yano Taihei, Sakai Shin-ichiro, Yamada Yoshiyuki, Fujiwara Ken |
| Rok vydání: |
2011 |
| Předmět: |
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| Zdroj: |
2011 Aerospace Conference. |
| DOI: |
10.1109/aero.2011.5747383 |
| Popis: |
Pointing stability that defines acceptable displacement of an observation target on the optical detector during the exposure time in a satellite telescope system largely dominates the quality of the image. 12This research proposes a new control approach to improve pointing stability using a tip-tilt mirror. While conventional control systems for a tip-tilt mirror use feedback error signals obtained from the optical detector, the signal loses enough bandwidth to compensate for high frequency disturbances when pointing at a dark reference guide star. This paper presents a control system subsidiarily using accelerometers to generate high bandwidth feedforward control references to a tip-tilt mirror by properly identifying transfer function between acceleration and pointing displacement. The numerical simulation and experiments using a disturbance source and a tip-tilt mirror verifies feasibility of this method. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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