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The application of digital instrumentation and control systems in Nuclear Power Plants (NPPs) provides a series of advantages, but it also raises challenges in the reliability analysis of safety-critical systems in the NPPs. Software testing is one of the most significant processes to assure software reliability, and the safety-critical systems of NPPs are sensitive to the severity of software faults,...
A high-temperature gas-cooled reactor-pebble bed module (HTR-PM), as a demonstration nuclear power plant (NPP), is now under construction in the Shandong province of China. The reactor protection system (RPS) in an HTR-PM is a safety-related system and is mainly in charge of monitoring safety-related parameters according to the reactor protection requirements. Thus, an RPS is very important to operations...
High Temperature Gas-Cooled Reactor-Pebble bed Module (HTR-PM) Nuclear Power Plant (NPP) is one of the most important projects in the National Science & Technology Major Project during the Eleventh Five-Year Plan period. HTR-PM digital Reactor Protection System (RPS) is one of the key research subjects in the HTR-PM NPP supported by the National S&T Major Project. The research on software...
Nuclear safety has received great concern since Fukushima Accident. As the employment of digital systems in newly-built and upgraded Nuclear Power Plants (NPPs), software reliability brings a lot of challenges to the Probability Risk Assessment of NPPs. Digital Reactor Protection System (RPS) plays an important role in nuclear safety: it monitors the state of the plant and generates an emergency scram...
Software Reliability Growth Models (SRGMs) are commonly used to estimate the software quality in software engineering. Currently, most SRGMs employ the fault number data collected during software fault detection process and model the fault number data with corresponding detection time. In this process, fault severity is generally used as an unknown parameter to be solved by the modeling process. Few...
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