Development of a distributed high-speed data acquisition and monitoring system based on a special data packet format for HUST RF negative ion source

作     者：Li, Dong Yin, Ling Wang, Sai Zuo, Chen Chen, Dezhi 

作者机构：Huazhong Univ Sci & Technol State Key Lab Adv Electromagnet Engn & Technol Sch Elect & Elect Engn Wuhan 430074 Hubei Peoples R China 

出 版 物：《NUCLEAR ENGINEERING AND TECHNOLOGY》 (Nucl. Eng. Technol.)

年 卷 期：2022年第54卷第10期

页      面：3587-3594页

核心收录：

基　　金：National Key Research and Development Program of China [2017YFE0300105] National Natural Science Foundation of China [11775088, 11705063] 

主　　题：Distributed data acquisition ZeroMQ Data storage RF negative ion source 

摘      要：A distributed high-speed data acquisition and monitoring system for the RF negative ion source at Huazhong University of Science and Technology (HUST) is developed, which consists of data acquisition, data forwarding and data processing. Firstly, the data acquisition modules sample physical signals at high speed and upload the sampling data with corresponding absolute-time labels over UDP, which builds the time correlation among different signals. And a special data packet format is proposed for the data upload, which is convenient for packing or parsing a fixed-length packet, especially when the span of the time labels in a packet crosses an absolute second. The data forwarding modules then receive the UDP messages and distribute their data packets to the real-time display module and the data storage modules by PUB/SUB-pattern message queue of ZeroMQ. As for the data storage, a scheme combining the file server and MySQL database is adopted to increase the storage rate and facilitate the data query. The test results show that the loss rate of the data packets is within the range of 0-5% and the storage rate is higher than 20 Mbps, both acceptable for the HUST RF negative ion source.(c) 2022 Korean Nuclear Society, Published by Elsevier Korea LLC. This is an open access article under the CC BY-NC-ND license (http://***/licenses/by-nc-nd/4.0/).