Fuzzy dynamic input-output inoperability model

被引：37
|
作者：
Oliva, Gabriele [2 ]
Panzieri, Stefano [2 ]
Setola, Roberto [1 ]
机构：
[1] Complex Syst & Secur Lab, I-00128 Rome, Italy
[2] Univ Roma Tre, Dept Comp Sci & Automat, I-00146 Rome, Italy
来源：
INTERNATIONAL JOURNAL OF CRITICAL INFRASTRUCTURE PROTECTION | 2011年 / 4卷 / 3-4期
关键词：
Infrastructure interdependences; Input-output inoperability model; Fuzzy systems; PREPAREDNESS; ROBUSTNESS; INCLUSIONS; STABILITY;
D O I：
10.1016/j.ijcip.2011.09.003
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes an extension of the input-output inoperability model (IIM) that accommodates uncertain and vague data. In the resulting "fuzzy version" of the dynamic IIM model (FD-IIM), the level of inoperability of each infrastructure and the Leontief coefficients are specified using fuzzy variables that express expert knowledge about infrastructure interdependences. An important result is that, under certain conditions, solution convergence for the fuzzy model can be inferred based on the stability properties of the "crisp" (non-fuzzy) version of the system of interest. A case study involving the Italian critical infrastructure is used to demonstrate the feasibility and utility of the approach. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：165 / 175
页数：11
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