基于SHEL模型的船用核动力DCS深度安全体系研究  

Research on DCS safety-in-depth of marine nuclear power system based on SHEL model

作　　者：余昆[1] 彭军 YU Kun;PENG Jun(China Ship Development and Design Center,China Shipbuilding Industry Corporation,Wuhan Hubei 430064,China;Navy Equipment Department of People's Liberation Army,Beijing 100841,China)

机构地区：[1]中国船舶重工集团中国舰船研究设计中心,湖北武汉430064 [2]中国人民解放军海军装备部,北京100841

出　　处：《中国安全科学学报》2019年第8期87-92,共6页China Safety Science Journal

摘　　要：为保证船用核动力系统运行安全,研究船用核动力分散式控制系统(DCS)深度安全体系。通过分析船用核动力DCS原理架构,提取DCS深度安全特点;基于复杂系统SHEL模型分析DCS运行软件、硬件、环境及人员等深度安全因素;从顶层安全管理、总体安全架构及防护技术体系等3个方面构建船用核动力DCS深度安全防护体系;基于DEMATEL方法计算分析DCS深度安全防护体系要素的影响度、被影响度、中心度和原因度,识别DCS深度安全防护体系的核心及要点。结果表明:针对复杂的船用核动力DCS深度安全影响因素,能够从管理、架构、防护技术等方面进行深度安全防护,尤其需要关注安全教育与培训、安全管理制度、病毒防护、入侵防护等核心要点。In order to ensure operation safety of marine nuclear power system,DCS safety-in-depth system is studied.Firstly,deep safety characteristics of DCS were extracted by analyzing DCS structure of marine nuclear power.Secondly,safety-in-depth factors,including operation software,hardware,environment and livewire,were analyzed based on SHEL model.Then,a safety-in-depth protection system of DCS was constructed from three aspects,top-level safety management,overall safety architecture and safety protection technology.Finally,the influencing and being influenced degree,centrality and causality of system factors were calculated and analyzed based on DEMATEL method,and its key factors and points were identified.The results show that DCS safety-in-depth factors of marine nuclear power are complex and it is necessary to carry out safety-in-depth protection from management,safety architecture and protection technology,especially paying attention to key points of safety education and training,safety management system,virus protection and intrusion protection.

关 键 词：船用核动力 分散式控制系统(DCS) 深度安全 SHEL模型 安全防护 

分 类 号：X946[环境科学与工程—安全科学]