ANZCC 2019 Paper Abstract


Paper TC1.6

Cranney, Jesse (The University of Newcastle), De Dona, Jose (The University of Newcastle), Rigaut, Francois (Australian National University), Korkiakoski, Visa (Australian National University)

Evaluation of a Multi-Rate Predictive Control Strategy for Adaptive Optics Systems

Scheduled for presentation during the Regular Session "Control Applications" (TC1), Thursday, November 28, 2019, 17:00−17:15, WZ Building Room WZ416

2019 Australian & New Zealand Control Conference (ANZCC), November 27-29, 2019, Auckland, New Zealand

This information is tentative and subject to change. Compiled on September 25, 2020

Keywords Real-time Systems, Control Applications, Estimation


In this paper, we implement and evaluate the performance of multi-rate predictive control for Adaptive Optics systems. The multi-rate strategy yields considerable performance improvements in the case of low-magnitude guide stars and in the presence of wave-front sensor read-out noise, since the wave-front sensor exposure time can be increased to provide useful signal-to-noise ratios without having to limit the temporal bandwidth of the deformable mirror (as is the case in a single-rate control approach). Simulations performed on an end-to-end numerical Adaptive Optics simulation package are presented to demonstrate the advantages of the approach.



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