The LINC-NIRVANA fringe and flexure tracker control system

被引：0

作者：

Rost, Steffen ^{[1
]}

Eckart, Andreas ^{[1
]}

Horrobin, Matthew ^{[1
]}

Lindhorst, Bettina ^{[1
]}

Rauch, Christoph ^{[1
]}

Smajic, Semir ^{[1
]}

Straubmeier, Christian ^{[1
]}

Tremou, Evangelia ^{[1
]}

Wank, Imke ^{[1
]}

Zuther, Jens ^{[1
]}

Pott, Joerg-Uwe ^{[2
]}

机构：

[1] Univ Cologne, Inst Phys 1, Zulpicher Str 77, D-50937 Cologne, Germany

[2] Max Planck Inst Astron, D-69117 Heidelberg, Germany

来源：

OPTICAL AND INFRARED INTERFEROMETRY III | 2012年 / 8445卷

关键词：

LBT; LINC-NIRVANA; fringe tracking; piston; control;

D O I：

10.1117/12.926531

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：10

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