ANZCC 2019 Paper Abstract

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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

Abstract

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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