This paper presents a systems concurrent engineering approach for the conception of an Attitude and Orbit Control System for a Satellite (AOCS). Systems Engineering uses a multidisciplinary approach in order to better understand complex systems and its processes, its products and its organization. The main goal is to satisfy all stakeholders involved in the product and its processes. In this paper several concepts of SystemsEngineering, as well as its methodology, were applied in the main processes of the life cycle of an AOCS of an artificial satellite, in order to give a better understanding of the development of this kind of product, from requirements analysis to system operation.

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