基于复杂网络的并联式项目群结构脆弱性评估  

Structural Vulnerability of Parallel Type Programme Based on Complex Networks

作　　者：郭宁 郭鹏[2] 刘洋[2] GUO Ning;GUO Peng;LIU Yang(School of Economics and Management,Xidian University,Xi’an 710071,China;School of Management,Northwestern Polytechnical University,Xi’an 710072,China)

机构地区：[1]西安电子科技大学经济与管理学院,陕西西安710071 [2]西北工业大学管理学院,陕西西安710072

出　　处：《运筹与管理》2021年第2期196-201,共6页Operations Research and Management Science

基　　金：国家自然科学基金资助项目(72002161);中央高校基本科研业务费专项资金资助项目(XJS200602)。

摘　　要：运用复杂网络研究并联式项目群的结构脆弱性。将项目群中的任务用节点表示、任务之间的依赖关系用边表示,依据任务的工期确定点权、任务之间的依赖强度确定边权,则并联式项目群被抽象为一个有向加权网络。在分析并联式项目群网络拓扑特征的基础上,构建并联式项目群脆弱性评估模型,并对一个并联式项目群进行脆弱性评估。仿真结果表明该方法可以对并联式项目群脆弱性进行定量化评估、能够有效识别结构中的脆弱环节。本研究为保障项目群顺利实施、抵御风险提供了新的思路。This paper applies complex networks to study the structural vulnerability of parallel type programme.First,it takes tasks as nodes,the relationships among the tasks as edges,the duration of tasks as node weight,and the strength of tasks’dependence as edge weight,thus the parallel type programmeis abstracted as a weighted directed network.Subsequently,a novel vulnerability model is designed to calculate the structural vulnerability of parallel type programme.Then,the proposed approach is applied to a parallel type programme to evaluate the vulnerability and is demonstrated to be effective in assessing the vulnerability and identifying the weaknesses in programme.Overall,the study can assist indeveloping proactive risk approaches to enhance successful megaproject completion.

关 键 词：脆弱性 项目群 复杂网络 拓扑结构 

分 类 号：C935[经济管理—管理学] F284