传感技术学报2017，Vol.30Issue(2)：313-318,6.DOI:10.3969/j.issn.1004-1699.2017.02.025
大型望远镜主镜位置采集系统设计
Design of Primary Mirror Position AcquisitionSystem of Large Telescope
摘要
Abstract
High precision primary mirror position real-time acquisition of the large telescope is the premise to realize the primary mirror position control and improve the image quality.The primary mirror position acquisition system of the large telescope is designed,including the position acquisition module and the PC software.The position acquisition module is used to condition analog signal from displacement sensor,convert analog signal to digital signal through 24 bit ADC-ADS1259,process digital signal by DSP,communicate with the PC,and set up the LAN by CAN field-bus.The PC software programed by python is used to realize primary mirror position information real-time processing and displaying.Through testing,it is found that acquisition error is less than 2 μm,and the precision of the primary mirror position acquisition system can satisfy the requirement.关键词
大型望远镜/主镜位置采集/模拟信号调理/ADS1259/pythonKey words
large telescope/primary mirror position acquisition/analog signal conditioning/ADS1259/python分类
信息技术与安全科学引用本文复制引用
栾红民,张斌,李玉霞,吴庆林,王晶,曲云昭..大型望远镜主镜位置采集系统设计[J].传感技术学报,2017,30(2):313-318,6.基金项目
中国科学院长春光学精密机械与物理研究所重大创新项目专项基金项目(Y3C122E130) （Y3C122E130）
