Publication

Perturbation rejection control strategy for OWL

Ljubisa Miskovic
2006
Conference Papers

Abstract

The control system of the ESO 100 m telescope (OWL) has to reject slow and fast perturbations in several subsystems. In this paper we focus on the wind rejection control strategies for two subsystems: the main axes and the segmented mirror. It is shown that facing the same disturbance the 2 control designs have to deal with completely different problems: control of a flexible SISO (Single input-Single output) system for the altitude axis versus a dynamically coupled MIMO (Multi input-Multi output) system for the segmented mirror. For both subsystems feasible solutions are given.

Official source

https://infoscience.epfl.ch/entities/publication/2e22dd18-2650-4e0d-a662-1cb85b640307

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Perturbation rejection control strategy for OWL

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