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To fully use the tokamak facility, it is necessary to allow researchers to remotely participate in the tokamak experiments via the Internet. Being able to control the operation of the tokamak is a key point. In this paper, the design and implementation of the remote operation system for the Joint Texas Experimental Tokamak (J-TEXT) are presented. To make this system flexible, the service-oriented...
The interaction between AC and DC systems in a long distance bulk power transmission system is very complicated. In this paper, taking some cases in China Southern Power Grid as examples, the main functions of the DC control system operating during the AC faults is discussed. During the AC faults, the protection and monitoring system for DC converter and the protection system for converter transformers...
SCR is a mature and widely used document driven requirement method, which emphasizes creating strict and complete formal requirement documents during software requirement analysis to serve the whole life circle. However, due to the big gap between textual requirement description and formal requirement document, how to obtain formal SCR requirements specification from informal textual description becomes...
In this paper, an automatic control system based on industrial control computers (IPC) and a programmable logic controller is designed by using field bus, PLC and configuration techniques to solve the automatic control problem of coal preparation process. The cross complex process control and fault processing are implanted by PLC, and configuration program provides friendly interface to user. Compared...
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