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- W4313165724 abstract "Abstract The nuclear instrument control data service system is the data monitoring background of the monitoring layer of the nuclear instrument control system, which has higher requirements for system reliability and data security, and usually adopts the fully redundant configuration structure of dual machine hot standby and double storage. How to arbitrate the server master-salve state according to the real-time diagnosis results, is the key problem faced in the redundant design of the nuclear instrument control system. According to the characteristics of the nuclear instrumentation control system, server failure types are analyzed, and an intelligent hierarchical redundant switching strategy is proposed. The decision-making module is divided into two layers. First of all, different business failure scenarios are divided, and each fault scenario gives a prime and slave arbitration result. Secondly, according to the importance priority, the arbitration result of the first layer is sorted, and the final arbitration result is given. The proposed redundancy strategy supports arbitration under multiple concurrent faults, and can support single-machine deployment and dual-machine deployment, with good switching performance. The technology has been successfully applied in a nuclear power instrumentation control project. The system runs normally in the case of local faults such as single-machine power failure, single-machine network failure, process collapse, etc., ensuring the safe and stable operation of the unit." @default.
- W4313165724 created "2023-01-06" @default.
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- W4313165724 date "2022-08-08" @default.
- W4313165724 modified "2023-09-28" @default.
- W4313165724 title "Research on Redundancy Strategy of Nuclear Instrument Control Data Service System" @default.
- W4313165724 doi "https://doi.org/10.1115/icone29-93133" @default.
- W4313165724 hasPublicationYear "2022" @default.
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