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P.M. Fischer, D. Lüdtke, C. Lange, F.-C. Roshani, F. Dannemann, A. Gerndt
Design information of a spacecraft is collected over all phases in the lifecycle of a project. A lot of this information is exchanged between different engineering tasks and business processes. In some lifecycle phases Model Based System Engineering (MBSE) has introduced system models and databases that help to organize such information and to keep it consistent for everyone. Nevertheless, none of the existing databases approached the whole lifecycle yet. Virtual Satellite is the MBSE database developed at DLR. It has been used for quite some time in Phase A studies and is currently extended for implementing it in the whole lifecycle of spacecraft projects. Since it is unforeseeable which future use-cases such a database actually needs to support in all these different projects, the underlying data model has to provide tailoring and extension mechanisms to its Conceptual Data Model (CDM). These mechanisms as they are implemented in Virtual Satellite enable extending the CDM along the project without corrupting already stored information. As an upcoming major use-case, Virtual Satellite will be implemented as MBSE tool in the S2TEP project. This project provides a new satellite bus for internal research and several different payload missions in the future. Virtual Satellite will be used to manage configuration control problems associated with such a multi mission platform. The S2TEP project will also start using it for collecting the first design information from concurrent engineering studies, then making use of the extension mechanisms of the CDM to introduce further information artefacts such as functional electrical architecture, thus linking more and more processes into an integrated MBSE approach.
Deutscher Luft- und Raumfahrtkongress 2016, Braunschweig
Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V., Bonn, 2016
21,0 x 29,7 cm, 8 Seiten
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