64··基于FTA-BN的矿井安全监控系统运行可靠性分析谢尊贤1郝聪1,2张志远1张傲雪1(1.西安建筑科技大学,陕西西安710055;2.中国华电内蒙古蒙泰不连沟煤业有限责任公司,内蒙古鄂尔多斯010300)摘要为了提高矿井安全监控系统运行的可靠性,构建FTA-BN(故障树分析-贝叶斯网络)复合模型,以内蒙古某矿为例,对目前我国广泛使用的KJ90X矿井安全监控系统进行运行可靠性分析。首先在分析安全监控系统运行状况大数据的基础上,辨识出系统运行异常的23个基本事件和4个中间事件;其次建立事件条件概率关系,构建运行状况故障树;最后进行故障树的贝叶斯网络化,利用Netica软件对贝叶斯网络进行推理和演算,寻找出KJ90X安全监控系统运行中的7个薄弱环节,其结果与矿井安全监控系统运行现状相一致。结果表明:用FTA-BN模型分析KJ90X矿井安全监控系统运行可靠性适用和可行,所得结论及措施可为使用同类安全监控系统的矿山安全管理提供参考,也为矿井安全监控系统的可靠性分析提供一种分析方法。关键词矿井安全KJ90XFTA-BNNetica可靠性分析OperationreliabilityanalysisofminesafetymonitoringsystembasedonFTA-BNXIEZunxian1HAOCong1,2ZHANGZhiyuan1ZHANGAoxue1(1.Xi'anUniversityofArchitecture&Technology,Xi'anShaanxi710055,China)AbstractInordertoimprovethereliabilityofminesafetymonitoringsystemoperation,theFTA-BN(FaultTreeAnalysis-BayesianNetwork)compositemodelisconstructedtoanalyzetheoperationalreliabilityofKJ90Xminesaf-etymonitoringsystem,whichiswidelyusedinChinaatpresent,takingamineinInnerMongoliaasanexample.Fir-stly,onthebasisofanalyzingthebigdataofsafetymonitoringsystemoperationcondition,23basiceventsand4in-termediateeventsofsystemoperationabnormalitywereidentified;secondly,theconditionalprobabilityrelationshipofeventswasestablishedtoconstructthefaulttreeofoperationcondition;finally,Bayesiannetworkoffaulttreewascarriedout,andtheBayesiannetworkwasreasonedandcalculatedbyusingNeticasoftwaretofindout7weaklinksintheoperationofKJ90Xsafetymonitoringsystem,andtheresultswereconsistentwiththecurrentsituationofminesafetymonitoringsystemoperation.TheresultsshowthattheFTA-BNmodelisapplicableandfeasibletoanalyzetheoperationreliabilityofKJ90Xminesafetymon...