Accession Number : AD1026556


Title :   Exploring the Integration of COSYSMO with a Model-Based Systems Engineering Methodology in Early Trade Space Analytics and Decisions


Descriptive Note : Technical Report


Corporate Author : NAVAL POSTGRADUATE SCHOOL MONTEREY CA MONTEREY United States


Personal Author(s) : Edwards,Dennis J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/1026556.pdf


Report Date : 01 Jun 2016


Pagination or Media Count : 143


Abstract : 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 authors methods include a commonly used humanitarian aid effort scenario that incorporates traditional systems functional analysis of a single water distiller. The works 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.


Descriptors :   model based systems engineering , test and evaluation , operations research , reliability , software development , configuration management , cost estimates , defense industry , xml , cost models , defense systems , department of defense , decision making , life cycle management


Distribution Statement : APPROVED FOR PUBLIC RELEASE