Exploring the integration of COSYSMO with a model-based systems engineering methodology in early trade space analytics and decisions
Edwards, Dennis J.
Green, John Michael
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This research explores the integration of the Constructive Systems Engineering Cost Model (COSYSMO) into early modeling efforts for the Department of Defense (DOD). Initial acquisition decisions influence the analysis and design of systems engineers, who face an increasingly complex and dynamic environment with significant impact on system life-cycle decisions and cost. This work utilizes a model-based systems engineering (MBSE) approach and the systems modeling language (SysML) to highlight the sharing of system model data with COSYSMO to provide an estimate of systems engineering costs. The document highlights the proposed methods compliance to cost estimation techniques, adherence and support to pre-Milestone A requirements of the DOD acquisitions process, and links to the Department of Defense Architectural Framework (DODAF). Application and documentation of the author's methods include a commonly used humanitarian aid effort scenario that incorporates traditional systems functional analysis of a single water distiller. The work's results demonstrate an ability for automated and semi-automated integration with COSYSMO from the system model in a web-based tool, conclude with challenges associated with external cost model integration, and suggest future areas of continued refinement and extensions. A starting point for an ensemble of models to enhance DOD cost estimation practices results from the techniques.
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