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Proceedings Paper

Stability study of the multi-object photogrammetric platform for optical fiber units
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Paper Abstract

Metrology Camera System (MCS) was designed to make a closed-loop control of the optical fiber position in Fiber Positioning System (FPS) on the focal plate of the LAMOST. The stability of the metrology platform is the key factor to the quality of camera shooting. A precise adjustable mechanism was designed in this paper to achieve the platform’s pitching and horizontal rotation adjustment. And also a vibration isolation system using Magnetic Negative Stiffness (MNS) and positive spring in parallel was designed to decrease the effect of vibration, which was caused by the multiple complex vibration loads existing in the working environment, on the platform. Furthermore, an air conditioning system using the semiconductor refrigerator and resistance heater was designed to ensure working temperature of the camera and lens in extreme temperature environments. The simulation results showed that these designs were effective to improve the stability of the metrology system

Paper Details

Date Published: 9 July 2018
PDF: 14 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107027F (9 July 2018); doi: 10.1117/12.2311789
Show Author Affiliations
Houxi He, Univ. of Science and Technology of China (China)
Jianping Wang, Univ of Science and Technology of China (China)
Jiaru Chu, Univ. of Science and Technology of China (China)
Hongzhuan Hu, Univ. of Science and Technology of China (China)
Zengxiang Zhou, Univ. of Science and Technology of China (China)
Zhigang Liu, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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