The development of data acquisition and processing application system for RF ion source |
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| Authors: | Xiaodan ZHANG Xiaoying WANG Chundong HU Caichao JIANG Yahong XIE Yuanzhe ZHAO |
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| Affiliation: | 1. Qinghai University, Xining 810016, People's Republic of China;2. Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031, People's Republic of China |
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| Abstract: | As the key ion source component of nuclear fusion auxiliary heating devices,the radio frequency (RF) ion source is developed and applied gradually to offer a source plasma with the advantages of ease of control and high reliability.In addition,it easily achieves long-pulse steady-state operation.During the process of the development and testing of the RF ion source,a lot of original experimental data will be generated.Therefore,it is necessary to develop a stable and reliable computer data acquisition and processing application system for realizing the functions of data acquisition,storage,access,and real-time monitoring.In this paper,the development of a data acquisition and processing application system for the RF ion source is presented.The hardware platform is based on the PXI system and the software is programmed on the LabVIEW development environment.The key technologies that are used for the implementation of this software programming mainly include the long-pulse data acquisition technology,multithreading processing technology,transmission control communication protocol,and the Lempel-Ziv-Oberhumer data compression algorithm.Now,this design has been tested and applied on the RF ion source.The test results show that it can work reliably and steadily.With the help of this design,the stable plasma discharge data of the RF ion source are collected,stored,accessed,and monitored in real-time.It is shown that it has a very practical application significance for the RF experiments. |
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| Keywords: | RF ion source data acquisition data processing TCP LZO algorithm |
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