计算机科学 ›› 2021, Vol. 48 ›› Issue (10): 351-358.doi: 10.11896/jsjkx.200900144
• 交叉&前沿 • 上一篇
李姝1, 杨华1, 宋波2
LI Shu1, YANG Hua1, SONG Bo2
摘要： 供应链网络与我们的生活密切相关,而供应链网络的级联失效问题一直是研究的重点。文中提出了一种多层供应链网络混合失效模型,更好地模拟了真实供应链网络欠载失效和过载级联失效的过程,为预防供应链网络崩溃提供了参考。首先,建立了上层供应商网络过载级联失效模型和下层零售商网络欠载失效模型,它们共同构成了上下层网络混合的供应链网络模型;然后,通过采用不同的攻击方式攻击上下层网络,分析了供应链网络的失效迭代过程和脆弱性。在初始攻击比例一定的情况下,上层供应商网络相较于下层零售商网络有更强的鲁棒性,初始攻击节点为上层供应商网络节点时,网络崩溃的阈值更低,更容易使供应链网络发生全面崩溃。仿真结果验证了模型的有效性,为预防供应链网络崩溃提供了新的研究模型。
中图分类号:
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