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aktualisiert am 14. Oktober 2020

ISBN 9783843936835

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978-3-8439-3683-5, Reihe Raumfahrt

Manolo Omiciuolo
Generic Purpose Modelling and Domain Specific Simulation: a Framework for Conceptual Design of Space Mechanisms

247 Seiten, Dissertation Universität der Bundeswehr München (2018), Softcover, A5

Zusammenfassung / Abstract

This dissertation investigates the conjoint used of Model Based Systems Engineering (MBSE) methods and Model Based Engineering (MBE) methods, tools and languages in the frame of the conceptual study (proposal phase) of a mechatronics system such as a space mechanism (operating in the frame of a space satellite mission). The goals of this work is to find a way to improve the decision making process in an early conceptual phase of a complex mechatronics system (i.e. a space mechanism) and improve the efficacy of a proposal. To meet the goals, this dissertation first examines the state of the art in terms of conceptual design of mechatronics systems: the identified challenges are mainly driven by the interdisciplinary nature of such a system and the increasing number of stakeholders and interfaces such a system shall cope with already from the conceptual design phase. The boundaries of this research are set by the Mechanisms & Products Department of OHB System AG: the early conceptual design of a space mechanism carried out either in the role of the customer or in the role of the supplier, and the preparation of a proposal. From the identification of the key enabling capabilities to improve the proposal of a space mechanism, a framework is eventually identified as a suitable solution. The framework relies on the Object Oriented Systems Engineering MBSE method, the general purpose Systems Modelling Language conjointly used with matrix design methods and domain specific simulation tools. The proposed framework has a horizontal view (i.e. general purpose modelling spanning different disciplines) and a vertical view (i.e. domain specific simulations penetrating the details of a discipline). The framework proposed in this dissertation is validated within the specific boundaries posed by the industrial context the problem is set within. The shift from a feature-driven design approach to a usage-driven design approach via the use of existing methods and tools represent the novelty aspect of this dissertation. The field of application – conceptual design of space mechanisms – introduces an additional element of novelty.