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SYSTEM MODELING AND TRACEABILITY APPLICATIONS OF THE HIGRAPH FORMALISM



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ABSTRACT Title of Document SYSTEM MODELING AND TRACEABILITY APPLICATIONS OF THE HIGRAPH FORMALISM Kevin Fogarty Master of Science in Systems Engineering 2006 Directed By Dr Mark Austin Department of Civil and Environmental Engineering and The Institute for Systems Research University of Maryland at College Park One of the most important tools for a systems engineer is their system model From this model engineering decisions can be made without costly integration fabrication or installations Existing system modeling languages used to create the system model are detailed and comprehensive but lack a true ability to unify the system model by showing all relationships among all components in the model Higraphs a type of mathematical graph allow systems engineers to not only represent all required information in a system model but to formally show all relationships in the model through hierarchies edges and orthogonalities With a higraph system model all relationships between system requirements components and behaviors are formalized allowing for a smart model that can be queried for custom sets of information that when presented to the systems engineer will aid in engineering decisions SYSTEM MODELING AND TRACEABILITY APPLICATIONS OF THE HIGRAPH FORMALISM By Kevin Fogarty Thesis submitted to the Faculty of the Graduate School of the University of Maryland College Park in partial fulfillment of the requirements for the degree of Master of Science in Systems Engineering 2006 Advisory Committee Dr Mark Austin Chair Dr John Baras Committee Member Dr David Lovell Committee Member Copyright by Kevin Fogarty 2006 Dedication This paper is dedicated to Brayden Thomas May you grow up to be strong and faithful and may you get to experience and learn all this world has to offer i Acknowledgements I would like to acknowledge the following people all of whom contributed to this paper Dr Mark Austin University of Maryland at College Park Associate Professor Department of Civil and



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