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12 September 2012 The LINC-NIRVANA fringe and flexure tracker control system
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Abstract
We present the latest status of the control system of the LN (LINC-NIRVANA) FFTS (Fringe and Flexure Tracker System) for the LBT. The software concept integrates the sensor data and control of the various subsystems and provides the interaction with the whole LN instrument. Varying conditions and multiple configurations for observations imply a flexible interconnection of the control loops for the hardware manipulators with respect to the time-critical data analysis of the fringe detection. In this contribution details of the implementation of the algorithms on a real-time Linux PC are given. By considering the results from simulations of the system dynamics, lab experiments, atmospheric simulations, and telescope characterization the optimal parameter setup for an observation can be chosen and basic techniques for adaption to changing conditions can be derived.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steffen Rost, Andreas Eckart, Matthew Horrobin, Bettina Lindhorst, Christoph Rauch, Semir Smajic, Christian Straubmeier, Evangelia Tremou, Imke Wank, Jens Zuther, and Jörg-Uwe Pott "The LINC-NIRVANA fringe and flexure tracker control system", Proc. SPIE 8445, Optical and Infrared Interferometry III, 844539 (12 September 2012); https://doi.org/10.1117/12.926531
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