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Software based control system for nuclear reactor standby liquid control (SLC) logic processor
Software based control system for nuclear reactor standby liquid control (SLC) logic processor
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机译:基于软件的核反应堆备用液体控制(SLC)逻辑处理器控制系统
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摘要
A digital microprocessor-based system (10) is provided for a nuclear reactor safety related application. The digital microprocessor-based system includes a microprocessor with memory, hardware, circuitry, and software programming (38) that provides for execution of two forms of a same application-specific logic, and provides for the two forms to be executed with a same set of inputs (52). The same application-specific logic is implemented in one of the two forms as hardware logic, and in another of the two forms as software instructions for execution by the microprocessor. The software programming further provides for comparison of a result produced from execution of the one of the two forms as hardware logic to a result produced from execution of the another of the two forms as software instructions. The software programming provides, when the compared results concur, for the execution of actions (40) associated with the concurring results. When the compared results fail to concur, the software programming provides for the reporting to an operator (66) of the failure of the compared results to concur, thereafter the software programming further executing to place the microprocessor-based system into an inoperative (INOP) mode (316).
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