Improving resilience through vulnerability assessment and management

Agarwal, Jitendra

doi:10.1080/10286608.2015.1025065

Cited by 20 publications

(8 citation statements)

References 23 publications

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“…Terminology such as 'absorb changes of state variables and driving variables' [1] (p. 17), elastic resilience [91], self-organization [92], static resilience [93], system internal resistance [94], and built-in adaptability [95,96] are some of the terms used in the literature to describe resilience through the inherent system characteristics. Similarly, 'absorb changes of parameters' [1] (p. 17), ductile resilience [91], and dynamic resilience [97] are some of the terms used for resilience through management.…”

Section: Resilience-inherent or Managedmentioning

confidence: 99%

Resilience and Systems—A Review

2022

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This paper presents, from a systems orientation, a review of the resilience literature since its emergence as an ecological concept in academic parlance in 1973. It argues that much of the resilience literature covers existing ground in that existing engineering systems stability ideas are being reinvented. The review follows modern control systems theory as the comparison framework, where each system, irrespective of its disciplinary association, is represented in terms of inputs, state, and outputs. Modern control systems theory is adopted because of its cohesiveness and universality. The review reveals that resilience can be thought of in terms of adaptive systems and adaptation, where the system has the ability to respond to perturbations and changes through passive and active feedback mechanisms—returning the system state or system form to a starting position or transitioning to another suitable state or form. This systematic and cross-disciplinary review offers the potential for a greater understanding of resilience and the elimination of overlap in the literature, particularly related to terminology.

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Section: Resilience-inherent or Managedmentioning

confidence: 99%

Resilience and Systems—A Review

2022

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“…Finally, human factors can play a critical role in whether systems are resilient (Cox et al, 2017). The precise definition of resilience, however, has evolved over time and in parallel inside different domains and, in some cases, is still contended to be vague or “fuzzy” in definition (Agarwal, 2015; Fekete et al, 2014; Zhou et al, 2010).…”

Section: Defining “Resilience” In Power Systemsmentioning

confidence: 99%

“…Assessing the broader energy system and complexity is reviewed in Bale et al (2015). A complex adaptive systems approach to infrastructure system vulnerability and resilience is also found in Agarwal (2015). An interesting observation in this paper is that the "acceptable" level of system loss or service disruption to an infrastructure system resulting from a hazard event is inherently a political question and related to the geography in question.…”

Section: Defining " Resilience" In Power Systemsmentioning

confidence: 99%

Vulnerability and resilience of power systems infrastructure to natural hazards and climate change

Schweikert

Deinert

2021

WIREs Climate Change

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The value of critical infrastructure rests in the services they provide. Electricity in particular underpins the operation of hospitals, schools, financial systems, transportation assets, telecommunications, and water treatment, and affects many other aspects of daily life. There is an emerging recognition of power systems as complex adaptive systems and a proliferation of work on how to make them more resilient in the face of natural hazards and climate change. However, the term “resilience” is often used to encompass important, but distinct, aspects of infrastructure analysis including vulnerability, asset hardening, resistance to failure and risk management. As work in this domain has evolved through disciplines from risk management, economics, engineering and policy, the term “resilience” has often remained vague or referred to broad aspects of infrastructure performance under hazard events. Here we argue it is important to distinguish asset hardening and risk management from aspects of a system that allow it to deliver services even when some of its components fail. Understanding infrastructure vulnerability and risk are key components of resilient power system assessments. However, differentiating vulnerability from functional resilience (service delivery even when components fail) can help identify gaps in data, modeling and decision making. We propose that continued progress in this area can be made by unifying these areas of work through (1) understanding vulnerability and risk management in the context of hazards and climate change and (2) an orientation of resilient service delivery as a unifying concept for resilience analysis. This article is categorized under: Vulnerability and Adaptation to Climate Change > Learning from Cases and Analogies

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“…(2,3) Resilience engineering ensures the design of complex systems that can withstand adverse conditions and recover quickly after disruptions. (4) It has been recognized as an important characteristic of maritime operations. (5) Bakkensen et al (6) defined system resilience as the ability of a system to continue its functionality and performance efficiently over the duration of a disruptive event.…”

Section: Introductionmentioning

confidence: 99%

Resilience Analysis of a Remote Offshore Oil and Gas Facility for a Potential Hydrocarbon Release

et al. 2018

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Resilience is the capability of a system to adjust its functionality during a disturbance or perturbation. The present work attempts to quantify resilience as a function of reliability, vulnerability, and maintainability. The approach assesses proactive and reactive defense mechanisms along with operational factors to respond to unwanted disturbances and perturbation. This article employs a Bayesian network format to build a resilience model. The application of the model is tested on hydrocarbon-release scenarios during an offloading operation in a remote and harsh environment. The model identifies requirements for robust recovery and adaptability during an unplanned scenario related to a hydrocarbon release. This study attempts to relate the resilience capacity of a system to the system's absorptive, adaptive, and restorative capacities. These factors influence predisaster and postdisaster strategies that can be mapped to enhance the resilience of the system.

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Improving resilience through vulnerability assessment and management

Cited by 20 publications

References 23 publications

Resilience and Systems—A Review

Resilience and Systems—A Review

Vulnerability and resilience of power systems infrastructure to natural hazards and climate change

Resilience Analysis of a Remote Offshore Oil and Gas Facility for a Potential Hydrocarbon Release

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