基于系统动力学的港口船舶通航风险成因耦合模型Coupling model for risk formation on ship navigation at port water areas using system dynamics
曹久华;席永涛;胡甚平;陈杰;郭云龙;
摘要(Abstract):
为改善水上交通安全条件和有效避免风险事故的发生,需要研究港口船舶通航风险的形成机理。以港口船舶通航复杂性系统为视角,借助系统动力学方法进行港口船舶通航风险成因耦合仿真。首先,探讨港口水域船舶通航风险的形成原因及成因的相互影响和耦合类型;其次,基于港口水域船舶通航风险的人、船、环境与管理子系统构成因素,提出港口水域船舶通航风险成因之间的相互关系动力学流图;然后,建立非线性的系统动力学动态耦合模型,通过港口水域船舶通航风险成因耦合仿真,分析同质因素和异质因素的耦合作用。最后,结合青岛港船舶通航风险影响因素的数据,采用系统动力耦合模型进行港口水域船舶通航风险成因的耦合作用程度分析。结果表明:在港口船舶通航风险成因中双因素耦合作用下,与环境因素耦合造成的风险较大,特别是与交通环境因素耦合后风险大,且变异系数小。需要切实加强交通组织管理,从而降低客观因素的耦合程度,可有效避免通航事故,提高通航系统的安全可靠性。
关键词(KeyWords): 安全工程;风险评估;风险成因;风险仿真;耦合理论
基金项目(Foundation): 浙江海事局科技项目(2014-25)
作者(Authors): 曹久华;席永涛;胡甚平;陈杰;郭云龙;
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