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Olivier L. de Weck. Lloyd, Jeffrey (Jeffrey M.) System Design and Management Program. System Design and Management Program. 2008-11-07T19:01:53Z 2008-11-07T19:01:53Z 2007 2007 http://hdl.handle.net/1721.1/43096 244630835 Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 2007. Includes bibliographical references (p. 62-63). Increased computing power has helped virtual engineering become common practice amongst product development firms. However, while capabilities increase, the desire to simulate even larger systems has increased as well. To deal with the complexity and size of these systems, several techniques have been developed to decompose the system into smaller, more tractable subsystems. The drawback of this approach is a substantial decrease in computational efficiency. Therefore the use of simplified models is encouraged and often required to reach convergence.In this thesis, a test model is introduced where different forms of error can be introduced at each level. Error derived from both measurement inaccuracy and modeling inaccuracy is examined coupled with the effect of system constraints as well. A hierarchical decomposition method is selected for its similarity to a typical enterprise organizational structure. In this manner, the results of the examination should be applicable to both system engineering methods and enterprise level problems. The direction of error propagation within the hierarchical decomposition is determined and the effects of robust design considerations and simple system constraints are revealed. by Jeffrey Lloyd. S.M. 77 p. eng Massachusetts Institute of Technology M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582 System Design and Management Program. Error propagation of optimal system design in a hierarchical enterprise Thesis application/pdf false Publication unknown unknown <Publication xmlns="https://www.openaire.eu/cerif-profile/1.1/" id="14567a06-9141-4647-abb4-bf510412331f"> <Type xmlns="https://www.openaire.eu/cerif-profile/vocab/COAR_Publication_Types">http://purl.org/coar/resource_type/c_1843</Type> <Language>eng</Language> <Title>Error propagation of optimal system design in a hierarchical enterprise</Title> <PublishedIn> <Publication> </Publication> </PublishedIn> <PublicationDate>2007</PublicationDate> <Authors> <Author> <DisplayName>Lloyd, Jeffrey (Jeffrey M.)</DisplayName> <Affiliation> <OrgUnit> </OrgUnit> </Affiliation> </Author> </Authors> <Editors> </Editors> <Publishers> <Publisher> <DisplayName>Massachusetts Institute of Technology</DisplayName> <OrgUnit /> </Publisher> </Publishers> <License>http://dspace.mit.edu/handle/1721.1/7582</License> <Keyword>System Design and Management Program.</Keyword> <Abstract>Increased computing power has helped virtual engineering become common practice amongst product development firms. However, while capabilities increase, the desire to simulate even larger systems has increased as well. To deal with the complexity and size of these systems, several techniques have been developed to decompose the system into smaller, more tractable subsystems. The drawback of this approach is a substantial decrease in computational efficiency. Therefore the use of simplified models is encouraged and often required to reach convergence.In this thesis, a test model is introduced where different forms of error can be introduced at each level. Error derived from both measurement inaccuracy and modeling inaccuracy is examined coupled with the effect of system constraints as well. A hierarchical decomposition method is selected for its similarity to a typical enterprise organizational structure. In this manner, the results of the examination should be applicable to both system engineering methods and enterprise level problems. The direction of error propagation within the hierarchical decomposition is determined and the effects of robust design considerations and simple system constraints are revealed.</Abstract> <Access xmlns="http://purl.org/coar/access_right" > </Access> </Publication>