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17 September 2012 Synchronous redundant control algorithm in the telescope drive system
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Abstract
The modern large telescope is endowed with advanced imaging systems and active optics, resulting in very high peak angular resolution. The drive systems for the telescope must consequently be able to guarantee a tracking accuracy better than the telescope angular resolution, in spite of unbalanced and sudden loads such as wind gusts and in spite of a structure that, because of its size, can not be infinitely stiff, which puts forward a great challenge to the telescope' drive system. Modern telescope's drive system is complicated, which performance and reliability directly affect the telescope tracking performance and reliability. Redundant technology is one of the effective ways to improve the security of the system. This paper will introduce one redundant synchronous control method for direct drive torque motor of large diameter telescope drive system, which can effectively improve the telescope drive system tracking precision and improve the reliability, stability and anti-jamming ability.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Changzhi Ren, Yong Niu, Xiaoli Song, Jin Xu, and Xiaoyan Li "Synchronous redundant control algorithm in the telescope drive system", Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84444W (17 September 2012); https://doi.org/10.1117/12.924871
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