SERC TALKS: "How Can System Architecture and Cost Models be Integrated for UAS Tradespace Analysis?" Presented on December 11, 2019 at 1PM ET by Dr. Raymond J Madachy, Professor of Systems Engineering, Naval Postgraduate School
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ABSTRACT:
The Naval Postgraduate School and Air Force Institute of Technology have developed affordability tradeoff analysis methods employing architectural and parametric cost models applied to Unmanned Aerial Systems (UAS). A focus is at the interface of cost and architecture models for the automatic extraction of system size attributes from the architecture models at the levels of software, system and UAS domain product line. Costs can then be associated with architecture variants to assess tradeoffs between affordability and other ilities.
Cost models have been extended for integration with formal Model-Based Systems Engineering (MBSE) methods including SysML, Orthogonal Variability Modeling (OVM), discrete event simulation, and system behavioral modeling with Monterey Phoenix (MP). Relevant case studies for small UAS are continuing as the methods are being refined. Existing models were applied to demonstrate tradeoff analyses, and new models were created to better represent actual conditions empirically observed in practice.
The talk will overview the modeling methods and their interfaces, case studies applied to single system architectures, and current investigations with UAS domain reference architectures developed by AFIT.
Raymond Madachy, Ph.D., is a Professor in the Systems Engineering Department at the Naval Postgraduate School. His research interests include system and software cost modeling for total ownership cost; affordability and tradespace analysis; modeling and simulation of systems and software engineering processes, and the DoD acquisition process; integrating systems engineering and software engineering disciplines, and empirical-based research with process simulation.
Dr. Madachy is currently on sabbatical as a Visiting Professor at the Air Force Institute of Technology. He is learning and conducting research in Unmanned Aerial Systems, flight testing and autonomy.
His books include Software Process Dynamics, co-authoring Software Cost Estimation with COCOMO II, Software Cost Estimation Metrics Manual for Defense Systems, What Every Engineer Should Know about Modeling and Simulation, and is currently writing Systems Engineering Principles for Software Engineers.
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