Managing the aging of digital control systems ensures that nuclear power plant systems are in adequate safety margins during their life cycles. Software is a core component in the execution of control logic and differs between digital and analog control systems. The hardware aging management for the digital control system is similar to that for the analog system, which has matured over decades of study. However, software aging management is still in the exploratory stage. Software aging evaluation is critical given the higher reliability and safety requirements of nuclear power plants. To ensure effective inputs for reliability assessment, this paper provides the required software aging information during the life cycle. Moreover, the software aging management scheme for safety digital control system is proposed on the basis of collected aging information.
CITATION STYLE
Liang, H., Gu, P., Tang, J., Chen, W., & Gao, F. (2016). Discussion on software aging management of nuclear power plant safety digital control system. SpringerPlus, 5(1). https://doi.org/10.1186/s40064-016-3780-2
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