For the sake of achieving to manage and query the experimental data scientifically, as well as relevant experiment information for Neutral Beam Injection (NBI) system, NBI Data Server software is developed for data exchanging between the remote server control layer and the field measurement and control layer, data storage and querying. Experimental results show that managing data scientifically can ensure data security and making best use of data will bring data value into full play. NBI Data Server software is programmed by C language, developed with Client/Server program model and multi-threading technology, runs on linux operating system. Experiments show that NBI data server software can work steadily and reliably.
The Neutral Beam Injector (NBI) is one of the main plasma heating methods for Experimental Advanced Superconducting Tokomaks (EAST). In order to provide unify time-order control, control the power supply and ensure the NBI system stable and reliable effectively, the control system is designed. As the center of the control system, control server plays a crucial role which can control the input/output services of the whole NBI system, verify whether the experimental parameters of EAST-NBI are reasonable, monitor the states of the experimental equipment in real time, storage the real-time data and make it easy to perform self-protection and alarm automatically. This design is related to many kinds of technologies, such as shared memory, multithreading, TCP protocol and so on.
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