Resilience in engineered resilient systems

Buchanan, Randy K.; Goerger, Simon R.; Rinaudo, Christina H.; Parnell, Greg; Ross, Adam M.; Sitterle, Valerie B.

doi:10.1177/1548512918777901

Cited by 18 publications

(14 citation statements)

References 14 publications

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“…Using this logic, we are able to include a large number of relevant documents within this review that may have otherwise been missed, enabling a more comprehensive assessment of SBD. We refer to this set of documents as Group B from this point forward 1,66–122 . We provide the complete listing for all Group B documents in Table 2.…”

Section: Methodsmentioning

confidence: 99%

Set‐based design: The state‐of‐practice and research opportunities

Shallcross¹,

Parnell²,

Pohl

et al. 2020

Systems Engineering

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Increasing system complexity has provided the impetus to develop new and novel systems engineering methodologies. One of these methodologies is set‐based design (SBD), a concurrent design methodology well suited for complex systems subject to significant uncertainty. Since the 1990s, numerous private, public, and defense sector design programs have successfully implemented SBD. However, concerns regarding SBD's complexity, tendency toward qualitative methods, and lack of quantitative tools have limited its use. To address these issues, our research surveys 122 refereed journal articles and conference papers to assess SBD's state‐of‐practice and identify relevant research opportunities. To accomplish these tasks, we perform a structured literature review to identify and assess relevant and influential research. We found that SBD's state‐of‐practice relies heavily upon decision and tradespace analysis with increasing emphasis on uncertainty modeling and MBSE. We found that the majority of SBD research consists of quantitative methodologies focusing on component and small system applications. We also found that complex system applications used mostly qualitative methodologies. We identify SBD research opportunities for requirements development, MBSE, uncertainty modeling, multiresolution modeling, adversarial analysis, and program management. Finally, we recommend the development of a comprehensive SBD methodology and toolkit, suited for complex system design across all stages of the product development life cycle.

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Section: Methodsmentioning

confidence: 99%

Set‐based design: The state‐of‐practice and research opportunities

Shallcross¹,

Parnell²,

Pohl

et al. 2020

Systems Engineering

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show abstract

“…The literature identifies critical links between engineered resiliency systems and several of the systems engineering ilities, specifically flexibility, robustness, and versatility . A significant amount of literature, outside of the systems engineering domain, discusses human resiliency and the resiliency of natural systems . Francis and Bekera proposed a framework for assessing the resiliency of system based on the system performance.…”

Section: Literature Reviewmentioning

confidence: 99%

“…In addition, these systems must learn from their environment to deliver full value to the stakeholders . These examples focus on mission resiliency for systems; however, platform resiliency is also an important attribute for systems to react to disruptions over a greater duration of time . Despite a focus on DoD systems, resiliency also applies to systems outside of the DoD and efforts to model resiliency also apply to other systems such as infrastructure networks …”

Section: Literature Reviewmentioning

confidence: 99%

“…Tradespace exploration tools provide a means to evaluate thousands of design alternatives to understand the resiliency of a system's design under uncertainty and provide systems engineers the ability to engineer resiliency into a system . Systems engineers can also leverage model‐based systems engineering to explore the tradespace and determine how the ilities influence a system's resiliency . The DoD emphasized the importance of ERS in its new Digital Engineering Strategy, which outlines the importance of modeling the performance of systems under varied conditions to determine the future value and exploring the tradespace…”

Section: Introductionmentioning

confidence: 99%

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Achieving resiliency in major defense programs through nonfunctional attributes

Enos

2019

Systems Engineering

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This article examines how the ilities, or nonfunctional attributes, help to understand the concept of resiliency in engineered systems. For engineered systems, resiliency describes the ability of a system to react to and return to full function after an interruption to system operation. The literature on resiliency of engineered systems defines resiliency in both the context of mission and platform resiliency; however, it leaves an opportunity to research how to understand, manage, and achieve resiliency. This work proposes an application of the systems engineering ilities to resiliency to understand how systems engineers can account for resiliency in the design process and incorporate resiliency into systems. Quality, robustness, and agility assist in understanding the components of resiliency and the ilities of repairability, extensibility, flexibility, adaptability, and versatility provide means for systems to achieve resiliency. This article applies this framework to examine two cases of DoD systems, the B‐52 bomber and the F‐117 stealth fighter. These two examples demonstrate how nonfunctional attributes enable engineered systems to achieve resiliency and help to better understand the concept of resiliency in engineered systems.

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“…(Madni, 2012) As a response to the need for resilient systems, the Department of Defense (DoD) created the Engineering Resilient Systems (ERS) program. (Goerger, Madni, & Eslinger, 2014) (Buchanan, et al, 2016) ERS focuses on the effective and efficient design and development of complex resilient engineered systems throughout their lifecycle. ERS research focuses on defining engineering resilience to enable key stakeholders such as planners, concept developers, systems designers, system engineers, program managers, and system acquisition leaders to assess options to improve system resilience in the in the early life cycle stages.…”

Section: Introductionmentioning

confidence: 99%

Engineered Resilient Systems with Value Focused Thinking

Small

Parnell

Pohl

et al. 2017

INCOSE International Symp

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Complex DoD systems need to be resilient due to evolving adversarial and environmental threats. The DoD created a program called Engineered Resilient Systems (ERS) to increase resilience in future systems. In our ERS research, resilience has been separated into two parts, mission and platform resilience. Mission resilience is the ability of a system to repel, resist, absorb, and recover from environments and threats that occur on planned missions. Platform resilience is the ability of a system to adapt to new missions and new threats. Using capabilities based planning one can map platform and mission resilience. This paper addresses how a value‐focused thinking (VFT) multiple objective decision analysis (MODA) model is a useful tool for capabilities based assessments. If all performance objectives can be categorized as mission or platform resilience, this extra value above the threshold of the minimum performance can provide mission and platform resilience. Displaying this information in a value component chart and a floating value chart allows decision makers to consider resilience early in the acquisition decision making process.

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Resilience in engineered resilient systems

Cited by 18 publications

References 14 publications

Set‐based design: The state‐of‐practice and research opportunities

Set‐based design: The state‐of‐practice and research opportunities

Achieving resiliency in major defense programs through nonfunctional attributes

Engineered Resilient Systems with Value Focused Thinking

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