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Fault Model Study on Primary System of Civil Nuclear-powered Ship

机译：民用核动力船主系统故障模型研究

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Centered on the problems of system failure on civil nuclear-powered ships, the first problem asked to be resolved is that suitable and operational methods are needed to build a system fault model for nuclear-powered ships in order to provide a theoretical basis and technical support for safety analysis of operating nuclear-powered ships. Analyzing the failure of nuclear-powered plants, professionals in the industry usually adopt relatively mature determinism assessment and increasingly mature probability risk assessment (PRA). The vast models of fault tree assessment (FTA) and event tree assessment (ETA) are built under the system of PRA. Having analyzed the functions and relationships of each system of civil marine nuclear power plant, relatively complete fault models of primary system are developed for nuclear-powered ships based on three elements, combining some methods of system failure modeling in the system security theory. It is an open model, and the successors can be refined and expanded. The modeling contains some thought and logic of FTA, ETA, and the analytic hierarchy process, but it does not rely on any one method, which will be used as the platform of civil nuclear-powered ship analysis in the future.
机译：围绕民用核动力舰船系统故障问题，首先要解决的问题是，需要适当的操作方法来建立核动力舰船系统故障模型，以提供理论依据和技术支持。用于运行中的核动力船的安全性分析。在分析核电站的故障时，业内专业人员通常采用相对成熟的确定性评估和日益成熟的概率风险评估（PRA）。在PRA系统下，建立了故障树评估（FTA）和事件树评估（ETA）的庞大模型。在分析了民用船用核电站各系统的功能和关系之后，基于三个要素，针对核动力舰船，开发了较为完整的主系统故障模型，并结合了系统安全理论中的一些系统故障建模方法。这是一个开放模型，后继者可以进行完善和扩展。该建模包含FTA，ETA和层次分析过程的一些思想和逻辑，但它不依赖任何一种方法，将来将用作民用核动力船分析的平台。

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