17 September 2012 Design and development of telescope control system and software for the 50/80 cm Schmidt telescope
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Abstract
In this paper, we describe the details of telescope controller design for the 50/80 cm Schmidt telescope at the Aryabhatta Research Institute of observational sciencES. The GUI based software for commanding the telescope is developed in Visual C++. The hardware architecture features a distributed network of microcontrollers over CAN. The basic functionality can also be implemented using the dedicated RS232 port per board. The controller is able to perform with negligible rms velocity errors. At fine speeds limit cycles are exhibited due to nonlinear friction. At speeds over 3.90 × 10-02 radians/sec, the PI controller performs with peak errors less than 1%.
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T. S. Kumar, T. S. Kumar, R. N. Banavar, R. N. Banavar, } "Design and development of telescope control system and software for the 50/80 cm Schmidt telescope", Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84445O (17 September 2012); doi: 10.1117/12.925243; https://doi.org/10.1117/12.925243
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