LHAASO远程测量控制系统研究

发布时间：2018-01-20 09:30

本文关键词： 宇宙线 LHAASO OPC 远程测量控制　出处：《中国科学院大学(中国科学院国家空间科学中心)》2017年硕士论文　论文类型：学位论文

【摘要】：大型高海拔宇宙线观测站(Large High-Altitude Air Shower Observatory,LHAASO)计划的核心科学目标是探索高能宇宙线起源、宇宙线相关演化以及高能天体运动,为开展大气、气象、空间环境等多种形式的前沿科学交叉研究提供了基础实验环境和平台,为国家乃至世界的相关科技发展提供强有力的技术支撑。本文针对LHAASO水切伦科夫探测器阵列(Water Cerenkov Detector Array,WCDA)和广角切伦科夫望远镜阵列(Wide Field of view Cerenkov/fluorescence Telescope Array,WFCTA)慢控制系统的需求,设计了一种基于用于过程控制的对象嵌入式(Object Linking and Embedding for Process Control,OPC)技术的远程测量控制系统,实现了WCDA和WFCTA的共性功能,控制宇宙线探测实验流程,保障探测器安全可靠地运行。LHAASO远程测量控制系统主要由环境检测模块、门控模块、电源模块和控制与通信模块组成。环境检测模块主要用于获取环境温度、湿度以及液位,保障探测器在安全可靠的环境运行。门控模块主要实现探测器门的开关闭环控制以及开关状态的检测。电源模块为探测器的光电倍增管阵列提供约1300V的高压。控制与通信模块实现远程PC对现场设备的读写控制。本文介绍了LHAASO远程测量控制系统的测试内容、测试方法与测试结果。在系统通信测试方面,引入成熟的OPC客户端对OPC服务器进行测试。在OPC服务器正常工作的情况下再进行客户端监控软件的测试,分别进行了环境检测模块测试、门控模块测试以及电源模块的测试。环境检测模块连续测量12个小时的温湿度变化,在110mm-300mm范围内进行了液位测量实验,测量精度小于±1mm;门控模块开关门反复实验中两门开门度数约为270.5度,分辨率为0.088度。本系统的设计和测试结果为后期LHAASO慢控制系统的研制提供了理论依据。
[Abstract]:Large High-Altitude Air Shower Observatory. The core scientific objectives of the LHAASO program are to explore the origin of high-energy cosmic rays, cosmic ray related evolution, and high-energy celestial movements for the development of the atmosphere, meteorology. Space environment and other forms of frontier science cross-research provide a basic experimental environment and platform. This paper aims at LHAASO water Cherenkov detector array (. Water Cerenkov Detector Array. WCDA) and wide-angle Cherenkov telescope arrays (WCDA). Wide Field of view Cerenkov/fluorescence Telescope Array. Requirements of WFCTA-slow control system. An object embedded object Linking and Embedding for Process Control based on process control is designed. The remote measurement and control system of OPC technology realizes the common function of WCDA and WFCTA, and controls the experiment flow of cosmic ray detection. The remote measurement and control system of LHAASO is mainly composed of the environmental detection module and the gate control module to ensure the safe and reliable operation of the detector. Power module and control and communication module. The environmental detection module is mainly used to obtain environmental temperature, humidity and liquid level. The gate control module mainly realizes the closed loop control of the detector gate and the detection of the switch state. The power module provides about 1300V of the detector's photomultiplier tube array. High voltage. Control and communication module to realize the remote PC to read and write control of field equipment. This paper introduces the testing content of LHAASO remote measurement control system. Test methods and test results. In system communication testing. The mature OPC client is introduced to test the OPC server, and then the client monitoring software is tested under the normal operation of the OPC server, and the environment detection module is tested respectively. The temperature and humidity changes of 12 hours were continuously measured by the environment detection module, and the liquid level measurement experiments were carried out in the range of 110mm-300mm. The measuring accuracy is less than 卤1mm; The degree of opening and closing of the two doors is about 270.5 degrees in the repeated experiments of opening and closing of the gate control module. The resolution is 0.088 degrees. The design and test results of this system provide a theoretical basis for the later development of LHAASO slow control system.
【学位授予单位】：中国科学院大学(中国科学院国家空间科学中心)
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP273;O572.1

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