On the Design of Hybrid Robust Output Regulation for the METIS Cold Chopper

Abstract We describe the control design and analysis of the METIS Cold Chopper (MCC) which is a critical subsystem in the Mid-infrared E-ELT Imager and Spectrograph (METIS) instrument for the European-Extremely Large Telescope (E-ELT). The hybrid controller is used to combine feedforward time-optimal control design and a H ∞ feedback controller. The stability analysis and simulation of the closed-loop systems are presented.

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