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Abstract. Systems approaches inevitably rely heavily on models to develop understanding
and aid communication and decisions. In systems engineering these system
considerations and modeling lead directly to a design for a
purposeful system or process that is implemented in the real
world. In the past systems engineering has been associated with
hard, well bounded, precedented problems. This paper considers the changing
nature of modern systems and their implications on the practice
of systems engineering, with particular focus on the role of
models in the engineering of complex systems and capabilities. The
paper also discusses the status of systems engineering models at
the various stages of the system life cycle, their enduring
nature, the fulfilment of stakeholder expectations and the relationship between
soft and hard systems methodologies in systems engineering. Finally, the
paper highlights the applicability of systems methods that would not
be seen as part of a traditional systems engineering approach.
Related topics:
systems engineering, management
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