20 research outputs found

    IdentificaciΓ³n y CaracterizaciΓ³n de Infraestructuras CrΓ­ticas en PanamΓ‘

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    Critical infrastructures are man-made systems, facilities that provide services necessary for the development of an increasingly demanding economy. The importance of clear identification and characterization allows us to analyze how they relate to each other and the level of dependence they have between them. The objective of this research is to provide a frame of reference for the study of Critical Infrastructures in Panama. For this purpose, the information of the international scientific community has been reviewed mainly due to the lack of studies related to the critical infrastructures of Panama, as well as public and private organizations that manage the operation of the main service systems in Panama.Keywords: dependence, critical infrastructures, system

    Does size matter?

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    Failures of the complex infrastructures society depends on having enormous human and economic cost that poses the question: Are there ways to optimize these systems to reduce the risks of failure? A dynamic model of one such system, the power transmission grid, is used to investigate the risk from failure as a function of the system size. It is found that there appears to be optimal sizes for such networks where the risk of failure is balanced by the benefit given by the size

    Infastructure Interdependencies Modeling and Analysis - A Review and Synthesis

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    The events of 9/11 and the occurrence of major natural disasters in recent years has resulted in increased awareness and renewed desire to protect critical infrastructure that are the pillars to maintaining what has become normal life in our economy. The problem has been compounded because the increased connectedness between the various sectors of the economy has resulted in interdependencies that allow for problems and issues with one infrastructure to affect other infrastructures. This area is now being investigated extensively after the Department of Homeland Security (DHS) prioritized this issue. There is now a vast extant of literature in the area of infrastructure interdependencies and the modeling of it. This paper presents a synthesis and survey of the literature in the area of infrastructure interdependency modeling methods and proposes a framework for classification of these studies. The framework classifies infrastructure interdependency modeling and analysis methods into four quadrants in terms of system complexities and risks. The directions of future research are also discussed in this paper

    The Impact of Local Power Balance and Link Reliability on Blackout Risk in Heterogeneous Power Transmission Grids

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    Many critical infrastructures such as the power transmission grid are heterogeneous both in their basic structure and in some of their underlying characteristics, This heterogeneity can be good for system robustness if it reduces the spread of failures or bad if it adds risk or vulnerability to the system. In this paper we investigate the effect of heterogeneity in the strength of the links between parts of the system network structures, as well as the balance of local generation and demand, on the robustness of the power transmission grid using the OPA complex system model of the power transmission system. It is found that increasing or decreasing the reliability of the links between parts of the grid changes the likelihood of different size failures with neither being optimal for all sizes. Furthermore, imbalances between load and generation in the local regions further degrades the system reliability

    Classification of Intersystem Accidents in Infrastructure-Complex Territories

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    Urbanisation led to the establishment of infrastructure-complex territories (ICTs). The growing interaction between critical infrastructures in such territories, combined with an increase in the frequency and scale of natural disasters, caused a surge in intersystem accidents (ISA). ISAs are characterised by cascading processes and catastrophic consequences for regional socio-economic development, since they affect both the critical infrastructure and environment. The paper aims to classify intersystem accidents in infrastructure-complex territories, as well as to assess the adaptive resilience of these areas to external influences. An examination of available statistics on domestic and foreign intersystem accidents demonstrated the importance of the issue and allowed us to identify common features of ISAs. The research analysed various approaches to the classification of territories and their adaptive resilience to external influences, showing that the existing classifications mostly do not consider infrastructure-complex territories and the possibility of intersystem accidents. Based on the analysis of statistical data and simulation of cascade failures and emergencies, the article proposes a new approach to the classification of intersystem accidents in infrastructure-complex territories. The scale of economic and social consequences, location of the accident, structure of the development of emergency processes, and other classification features were used. The proposed classification will help simulate emergencies, develop methods for assessing the consequences and resistance of infrastructure-complex territories to external influences, and, subsequently, increase adaptive resilience and economic efficiency of regional development. Further research will be aimed at predicting the development of ISAs and assessing the resulting damage in accordance with the proposed classification

    Classification of Intersystem Accidents in Infrastructure-Complex Territories

    Get PDF
    Urbanisation led to the establishment of infrastructure-complex territories (ICTs). The growing interaction between critical infrastructures in such territories, combined with an increase in the frequency and scale of natural disasters, caused a surge in intersystem accidents (ISA). ISAs are characterised by cascading processes and catastrophic consequences for regional socio-economic development, since they affect both the critical infrastructure and environment. The paper aims to classify intersystem accidents in infrastructure-complex territories, as well as to assess the adaptive resilience of these areas to external influences. An examination of available statistics on domestic and foreign intersystem accidents demonstrated the importance of the issue and allowed us to identify common features of ISAs. The research analysed various approaches to the classification of territories and their adaptive resilience to external influences, showing that the existing classifications mostly do not consider infrastructure-complex territories and the possibility of intersystem accidents. Based on the analysis of statistical data and simulation of cascade failures and emergencies, the article proposes a new approach to the classification of intersystem accidents in infrastructure-complex territories. The scale of economic and social consequences, location of the accident, structure of the development of emergency processes, and other classification features were used. The proposed classification will help simulate emergencies, develop methods for assessing the consequences and resistance of infrastructure-complex territories to external influences, and, subsequently, increase adaptive resilience and economic efficiency of regional development. Further research will be aimed at predicting the development of ISAs and assessing the resulting damage in accordance with the proposed classification

    Classification of Intersystem Accidents in Infrastructure-Complex Territories

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    ΠŸΡ€ΠΎΡ†Π΅ΡΡ ΡƒΡ€Π±Π°Π½ΠΈΠ·Π°Ρ†ΠΈΠΈ Π²Π΅Π΄Π΅Ρ‚ ΠΊ Ρ„ΠΎΡ€ΠΌΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡŽ инфраструктурно слоТных Ρ‚Π΅Ρ€Ρ€ΠΈΡ‚ΠΎΡ€ΠΈΠΉ. РастущСС взаимодСйствиС критичСских инфраструктур Π½Π° инфраструктурно слоТных тСрриториях Π² сочСтании с ΡƒΠ²Π΅Π»ΠΈΡ‡Π΅Π½ΠΈΠ΅ΠΌ частоты ΠΈ ΠΌΠ°ΡΡˆΡ‚Π°Π±ΠΎΠ² ΡΠΊΡΡ‚Ρ€Π΅ΠΌΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΏΡ€ΠΈΡ€ΠΎΠ΄Π½Ρ‹Ρ… процСссов ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ росту мСТсистСмных Π°Π²Π°Ρ€ΠΈΠΉ. ΠœΠ΅ΠΆΡΠΈΡΡ‚Π΅ΠΌΠ½Ρ‹Π΅ Π°Π²Π°Ρ€ΠΈΠΈ Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·ΡƒΡŽΡ‚ΡΡ каскадными процСссами ΠΈ катастрофичСскими послСдствиями для ΡΠΎΡ†ΠΈΠ°Π»ΡŒΠ½ΠΎ-экономичСского развития Ρ€Π΅Π³ΠΈΠΎΠ½Π°, Π·Π°Ρ‚Ρ€Π°Π³ΠΈΠ²Π°ΡŽΡ‚ критичСски Π²Π°ΠΆΠ½Ρ‹Π΅ инфраструктуры ΠΈ ΠΎΠΊΡ€ΡƒΠΆΠ°ΡŽΡ‰ΡƒΡŽ срСду. ЦСлью Ρ€Π°Π±ΠΎΡ‚Ρ‹ ΡΠ²Π»ΡΡŽΡ‚ΡΡ созданиС ΠΈ обоснованиС классификации мСТсистСмных Π°Π²Π°Ρ€ΠΈΠΉ Π½Π° инфраструктурно слоТных тСрриториях Π²ΠΎ взаимосвязи с Π·Π°Π΄Π°Ρ‡Π΅ΠΉ ΠΎΡ†Π΅Π½ΠΊΠΈ Π°Π΄Π°ΠΏΡ‚ΠΈΠ²Π½ΠΎΠΉ устойчивости Ρ‚Π΅Ρ€Ρ€ΠΈΡ‚ΠΎΡ€ΠΈΠΉ ΠΊ внСшним воздСйствиям. Авторами Π²Ρ‹ΠΏΠΎΠ»Π½Π΅Π½ Π°Π½Π°Π»ΠΈΠ· доступных статистичСских Π΄Π°Π½Π½Ρ‹Ρ… ΠΏΠΎ отСчСствСнным ΠΈ Π·Π°Ρ€ΡƒΠ±Π΅ΠΆΠ½Ρ‹ΠΌ мСТсистСмным авариям, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΉ ΠΏΠΎΠΊΠ°Π·Π°Π» Π°ΠΊΡ‚ΡƒΠ°Π»ΡŒΠ½ΠΎΡΡ‚ΡŒ ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌΡ‹ ΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΠ» Π²Ρ‹ΡΠ²ΠΈΡ‚ΡŒ ΠΎΠ±Ρ‰ΠΈΠ΅ Ρ‡Π΅Ρ€Ρ‚Ρ‹ мСТсистСмных Π°Π²Π°Ρ€ΠΈΠΉ. Анализ ΡΡƒΡ‰Π΅ΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… Π² ΠΌΠΈΡ€ΠΎΠ²ΠΎΠΉ ΠΏΡ€Π°ΠΊΡ‚ΠΈΠΊΠ΅ ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ΠΎΠ² ΠΊ классификации Ρ‚Π΅Ρ€Ρ€ΠΈΡ‚ΠΎΡ€ΠΈΠΉ с ΡƒΡ‡Π΅Ρ‚ΠΎΠΌ ΠΈΡ… Π°Π΄Π°ΠΏΡ‚ΠΈΠ²Π½ΠΎΠΉ устойчивости ΠΊ внСшним воздСйствиям ΠΏΠΎΠΊΠ°Π·Π°Π», Ρ‡Ρ‚ΠΎ ΡΡƒΡ‰Π΅ΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΠ΅ классификации Π½Π΅ ΠΎΠ±Π»Π°Π΄Π°ΡŽΡ‚ ΠΏΠΎΠ»Π½ΠΎΡ‚ΠΎΠΉ, Ρ‚ΠΎΠ»ΡŒΠΊΠΎ Π² ΠΎΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½Π½ΠΎΠΉ стСпСни связаны с инфраструктурно слоТными тСрриториями ΠΈ Π½Π΅ ΡƒΡ‡ΠΈΡ‚Ρ‹Π²Π°ΡŽΡ‚ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡ‚ΡŒ возникновСния мСТсистСмных Π°Π²Π°Ρ€ΠΈΠΉ. Π’ ΡΡ‚Π°Ρ‚ΡŒΠ΅ прСдлагаСтся ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ ΠΊ классификации мСТсистСмных Π°Π²Π°Ρ€ΠΈΠΉ Π½Π° инфраструктурно слоТных тСрриториях, основанный Π½Π° Π°Π½Π°Π»ΠΈΠ·Π΅ статистичСских Π΄Π°Π½Π½Ρ‹Ρ… ΠΈ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Π°Ρ… модСлирования каскадных Π°Π²Π°Ρ€ΠΈΠΉ ΠΈ Ρ‡Ρ€Π΅Π·Π²Ρ‹Ρ‡Π°ΠΉΠ½Ρ‹Ρ… ситуаций. Π’ качСствС классификационных ΠΏΡ€ΠΈΠ·Π½Π°ΠΊΠΎΠ² ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½Ρ‹, Π² частности, ΠΌΠ°ΡΡˆΡ‚Π°Π± экономичСских, ΡΠΎΡ†ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… послСдствий, мСсто возникновСния Π°Π²Π°Ρ€ΠΈΠΈ, структура развития Π°Π²Π°Ρ€ΠΈΠΉΠ½Ρ‹Ρ… процСссов. ΠŸΡ€Π΅Π΄Π»ΠΎΠΆΠ΅Π½Π½Π°Ρ классификация ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΡ‚ провСсти Π½Π° Π΅Π΅ основС ΠΌΠΎΠ΄Π΅Π»ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ развития Ρ‡Ρ€Π΅Π·Π²Ρ‹Ρ‡Π°ΠΉΠ½Ρ‹Ρ… ситуаций, Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Ρ‚ΡŒ ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹ ΠΎΡ†Π΅Π½ΠΊΠΈ уровня послСдствий ΠΈ Π°Π΄Π°ΠΏΡ‚ΠΈΠ²Π½ΠΎΠΉ устойчивости инфраструктурно слоТных Ρ‚Π΅Ρ€Ρ€ΠΈΡ‚ΠΎΡ€ΠΈΠΉ ΠΊ внСшним воздСйствиям ΠΈ Ρ‚Π΅ΠΌ самым ΠΏΠΎΠ²Ρ‹ΡΠΈΡ‚ΡŒ Π°Π΄Π°ΠΏΡ‚ΠΈΠ²Π½ΡƒΡŽ ΡƒΡΡ‚ΠΎΠΉΡ‡ΠΈΠ²ΠΎΡΡ‚ΡŒ ΠΈ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡ‡Π΅ΡΠΊΡƒΡŽ ΡΡ„Ρ„Π΅ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ развития Ρ€Π΅Π³ΠΈΠΎΠ½ΠΎΠ². Π”Π°Π»ΡŒΠ½Π΅ΠΉΡˆΠΈΠ΅ исслСдования Π±ΡƒΠ΄ΡƒΡ‚ Π½Π°ΠΏΡ€Π°Π²Π»Π΅Π½Ρ‹ Π½Π° Ρ„ΠΎΡ€ΠΌΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ Ρ‚ΠΈΠΏΠΎΠ²Ρ‹Ρ… сцСнариСв развития мСТсистСмных Π°Π²Π°Ρ€ΠΈΠΉ Π² соотвСтствии с ΠΏΡ€Π΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΠΎΠΉ классификациСй ΠΈ ΠΎΡ†Π΅Π½ΠΊΡƒ Π²ΠΎΠ·Π½ΠΈΠΊΠ°ΡŽΡ‰Π΅Π³ΠΎ ΡƒΡ‰Π΅Ρ€Π±Π°.Urbanisation led to the establishment of infrastructure-complex territories (ICTs). The growing interaction between critical infrastructures in such territories, combined with an increase in the frequency and scale of natural disasters, caused a surge in intersystem accidents (ISA). ISAs are characterised by cascading processes and catastrophic consequences for regional socio-economic development, since they affect both the critical infrastructure and environment. The paper aims to classify intersystem accidents in infrastructure-complex territories, as well as to assess the adaptive resilience of these areas to external influences. An examination of available statistics on domestic and foreign intersystem accidents demonstrated the importance of the issue and allowed us to identify common features of ISAs. The research analysed various approaches to the classification of territories and their adaptive resilience to external influences, showing that the existing classifications mostly do not consider infrastructure-complex territories and the possibility of intersystem accidents. Based on the analysis of statistical data and simulation of cascade failures and emergencies, the article proposes a new approach to the classification of intersystem accidents in infrastructure-complex territories. The scale of economic and social consequences, location of the accident, structure of the development of emergency processes, and other classification features were used. The proposed classification will help simulate emergencies, develop methods for assessing the consequences and resistance of infrastructure-complex territories to external influences, and, subsequently, increase adaptive resilience and economic efficiency of regional development. Further research will be aimed at predicting the development of ISAs and assessing the resulting damage in accordance with the proposed classification.Π‘Ρ‚Π°Ρ‚ΡŒΡ ΠΏΠΎΠ΄Π³ΠΎΡ‚ΠΎΠ²Π»Π΅Π½Π° ΠΏΡ€ΠΈ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΠ΅ Π³Ρ€Π°Π½Ρ‚Π° РЀЀИ ΠΏΡ€ΠΎΠ΅ΠΊΡ‚ Β«Π Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΊΠ° тСорСтичСских основ ΠΈ практичСских ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠ² Π°Π½Π°Π»ΠΈΠ·Π°, прогнозирования ΠΈ ΠΎΡ†Π΅Π½ΠΊΠΈ бСзопасности ΠΏΡ€ΠΈ мСТсистСмных взаимодСйствиях критичСских инфраструктур Π½Π° ΡƒΡ€Π±Π°Π½ΠΈΠ·ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Ρ… тСрриториях» β„– 20-010-00812А.The article has been prepared with the support of the Russian Foundation for Basic Research, the grant project No. 20-010-00812A Β«Development of theoretical foundations and practical methods for analyzing, predicting and evaluating security in intersystem interactions of critical infrastructures in urbanized areasΒ»

    Degree design of coupled infrastructures

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    A recent asymptotic model of cascading failure in two-domain, coupled infrastructures is used to pose and solve a specific degree-distribution design problem. Low-order non-linear analysis exposes the mechanisms by which optimised graphs can form star-like clusters, and suggests why the optimisation is well-behaved numerically. Through computational examples on coupled systems of finite size, we demonstrate that the model assumption of degree independence can be somewhat relaxed, which is significant for geometric connectivity. Further, an assortative heuristic rule that matches degrees across the domain boundary can offer benefits in most finite-size cases
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