Search Results - "Hastings, Daniel E."

Defining changeability: Reconciling flexibility, adaptability, scalability, modifiability, and robustness for maintaining system lifecycle value by Ross, Adam M., Rhodes, Donna H., Hastings, Daniel E.

“…Designing and maintaining systems in a dynamic contemporary environment requires a rethinking of how systems provide value to stakeholders over time…”
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When will on-orbit servicing be part of the space enterprise? by Hastings, Daniel E., Putbrese, Benjamin L., La Tour, Paul A.

“…The space industry is currently at a significant inflection point. Over the past decades, many spacecraft at geosynchronous orbit have continued a trend…”
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An economic analysis of disaggregation of space assets: Application to GPS by Hastings, Daniel E., La Tour, Paul A.

“…New ideas, technologies and architectural concepts are emerging with the potential to reshape the space enterprise. One of those new architectural concepts is…”
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Engineering Systems Multiple-Domain Matrix: An organizing framework for modeling large-scale complex systems by Bartolomei, Jason E., Hastings, Daniel E., de Neufville, Richard, Rhodes, Donna H.

“…The scope and complexity of engineered systems are ever‐increasing as burgeoning global markets, unprecedented technological capabilities, rising consumer…”
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Pliability and Viable Systems: Maintaining Value Under Changing Conditions by Mekdeci, Brian, Ross, Adam M., Rhodes, Donna H., Hastings, Daniel E.

“…As systems become more complex and have longer lifespans, they will likely encounter contextual variation or be themselves subject to change. Systems need to…”
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A Logical Approach to Real Options Identification With Application to UAV Systems by Mikaelian, T., Rhodes, D. H., Nightingale, D. J., Hastings, D. E.

“…Complex systems are subject to uncertainties that may lead to suboptimal performance or even catastrophic failure if unmanaged. Uncertainties may be managed…”
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Real Options in Enterprise Architecture: A Holistic Mapping of Mechanisms and Types for Uncertainty Management by Mikaelian, T., Nightingale, D. J., Rhodes, D. H., Hastings, D. E.

“…Uncertainty management is crucial for achieving high performance in enterprises that develop or operate complex engineering systems. This study focuses on…”
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Measuring the Value of Flexibility in Space Systems: A Six-Element Framework by Nilchiani, Roshanak, Hastings, Daniel E.

“…For many engineering systems, flexibility is an important attribute that allows them to adapt to emerging changes. The existence of flexibility can help space…”
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Flexibility in system design and implications for aerospace systems by Saleh, Joseph H, Hastings, Daniel E, Newman, Dava J

“…The purpose of this paper is to review the concept of flexibility as discussed in various fields of investigations, to extract its characteristic features, and…”
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CubeSats for space debris removal from LEO: Prototype design of a robotic arm-based deorbiter CubeSat by Nagavarapu, Sarat Chandra, Mogan, Laveneishyan B., Chandran, Amal, Hastings, Daniel E.

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Weaving time into system architecture: satellite cost per operational day and optimal design lifetime by Saleh, Joseph H., Hastings, Daniel E., Newman, Dava J.

“…An augmented perspective on system architecture is proposed (diachronic) that complements the traditional views on system architecture (synchronic). This paper…”
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The Space Weather Threat to Situational Awareness, Communications, and Positioning Systems by Ferguson, Dale C., Worden, Simon Peter, Hastings, Daniel E.

“…A recent space weather headline has cast doubt in the minds of some as to whether space weather is the source of spacecraft anomalies, and thus, whether it is…”
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Interaction of policy choices and technical requirements for a space transportation infrastructure by Weigel, Annalisa L, Hastings, Daniel E

“…This paper first presents a framework and analysis methodology for understanding the environment in which political aspects and technical aspects of…”
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Three-Dimensional Plasma Particle-in-Cell Calculations of Ion Thruster Backflow Contamination by Roy, Robie I.Samanta, Hastings, Daniel E., Taylor, Steven

“…A fully three-dimensional hybrid plasma particle-in-cell model for multi-computer environments was developed to assess the spacecraft backflow contamination of…”
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11.4.3 The Tradespace Exploration Paradigm by Ross, Adam M., Hastings, Daniel E.

“…Over the past five years, researchers working on a number of system design projects in the Space Systems, Policy, and Architecture Research Consortium (SSPARC)…”
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Investigating Alternative Concepts of Operations for a Maritime Security System of Systems by Mekdeci, Brian, Ross, Adam M., Rhodes, Donna H., Hastings, Daniel E.

“…For complex systems of systems, such as those required to perform maritime security, system architects have numerous choices they may select from, both in the…”
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Examining Survivability of Systems of Systems by Mekdeci, Brian, Ross, Adam M., Rhodes, Donna H., Hastings, Daniel E.

“…Previous research has identified design principles that enable survivability for systems, but it is unclear if these principles are appropriate and sufficient…”
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5.2.2 Examining Survivability of Systems of Systems by Mekdeci, Brian, Ross, Adam M., Rhodes, Donna H., Hastings, Daniel E.

“…Previous research has identified design principles that enable survivability for systems, but it is unclear if these principles are appropriate and sufficient…”
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7.1.1 Survivability Design Principles for Enhanced Concept Generation and Evaluation by Richards, Matthew G., Hastings, Daniel E., Ross, Adam M., Rhodes, Donna H.

“…Survivability is the ability of systems to minimize the impact of finite‐duration disturbances on value delivery. Previous work developed and tested a set of…”
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9.4.3 Defining System Changeability: Reconciling Flexibility, Adaptability, Scalability, and Robustness for Maintaining System Lifecycle Value by Ross, Adam M., Rhodes, Donna H., Hastings, Daniel E.

“…Designing and maintaining systems in a dynamic contemporary environment requires a rethinking of how systems provide value to stakeholders over time…”
Get full text