Engineering agile systems through architectural modularity

Schapiro, Seth B.; Henry, Matthew H.

doi:10.1109/syscon.2012.6189529

Cited by 12 publications

(7 citation statements)

References 4 publications

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“…Ryan et al closely links these two ilities with the distinction being that agility is flexibility that is quick rather than easy. One of the means to achieve agility is the modular design of systems so that engineers can quickly change system components to improve the performance of the system . It is also important to note that a large part of the literature focuses on agile systems engineering, which is separate from this description of an agile system .…”

Section: Framework For Applying Ilities To Resiliencymentioning

confidence: 99%

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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Section: Framework For Applying Ilities To Resiliencymentioning

confidence: 99%

Achieving resiliency in major defense programs through nonfunctional attributes

Enos

2019

Systems Engineering

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“…They realized that the software development life‐cycle process would require more flexibility. To address this issue, software developers worked together to tailor a SE life‐cycle approach that would allow more flexibility throughout the life‐cycle process . This newly tailored SE approach became known as Agile SE.…”

Section: Agile Se Life‐cycle Approachmentioning

confidence: 99%

“…Most traditional systems engineers believe that a well‐documented process is repeatable and will provide positive results. Many systems engineers who follow an Agile SE approach misinterpret the principles of Agile SE as advocating for less process control and less documentation . Since the Agile SE approach emphasizes enhanced teamwork and communication, it often leads to a diminished need for documentation .…”

Section: Agile Se Life‐cycle Approachmentioning

confidence: 99%

Launch vehicle systems engineering life‐cycle evolution and comparison

Gibson

2019

Systems Engineering

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Historically, through extensive government involvement, most orbital rocket companies have adopted the government's systems engineering approach. However, over the past decade, the Federal government has been less involved in the development of new launch vehicles. The diminishing involvement by the Federal government has given way to the rise of nontraditional systems engineering life‐cycle approaches for launch vehicle development. This paper explores the advantages and disadvantages of the different system engineering life‐cycle approaches in the launch vehicle industry.

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“…Schapiro and Henry (2012) start their paper with the assertion that assets "are faced with an evolutionary operational deployment environment in which the problems the initial [design] sets out to address often evolve to areas that the […] design falls short of addressing, or misses altogether" (p.1). Changing operating conditions, one kind of change an asset may cope with during its life, give rise to a need for agile assets.…”

Section: Agile Assetsmentioning

confidence: 99%

“…by more innovative or more robust modules). Additionally, easy modification of the asset improves its adaptability (Schapiro and Henry, 2012). In the context of the adaptability of buildings, six different adaptability strategies have been discerned: 1. adjustable; 2. versatile; 3. refitable; 4. scalable; 5. convertible; and 6. movable (Schmidt III et al, 2014).…”

Section: Agile Assetsmentioning

confidence: 99%

Manoeuvring physical assets into the future

Ruitenburg¹

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Engineering agile systems through architectural modularity

Cited by 12 publications

References 4 publications

Achieving resiliency in major defense programs through nonfunctional attributes

Achieving resiliency in major defense programs through nonfunctional attributes

Launch vehicle systems engineering life‐cycle evolution and comparison

Manoeuvring physical assets into the future

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