Wideband Vibrations Rejection of Tip-Tilt Mirror Using Error-Based Disturbance Observer
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2019.2962808
Abstract: Vibration rejection is a key technology of practical engineering, especially in optical telescopes with a stable accuracy of urad level. The closed-loop performance of optical telescopes is largely determined by the control bandwidth, while it… read more here.
Keywords: error based; based disturbance; wideband vibrations; optical telescopes ... See more keywords
Robust Risley prism control based on disturbance observer for system line-of-sight stabilization.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.454312
Abstract: In this paper, a robust control based on disturbance observer is proposed to improve the tracking accuracy of the Risley prism system (RPS). Applying the flexible thin-wall ring mechanism in the RPS causes a series… read more here.
Keywords: disturbance; based disturbance; control based; control ... See more keywords