Model-based systems engineering (MBSE) is a method of systems engineering that uses a model-based approach to design and develop systems. MBSE is a tool for creating and managing system models, which are representations of the system under development. MBSE is used to define the system’s architecture, behavior, and requirements. It is also used to analyze and optimize the system’s design, as well as to predict its performance. MBSE can also be used to develop system documentation, including user manuals and training materials.

Model-based systems engineering

Model-based systems engineering (MBSE), according International Council of Systems Engineering (INCOSE), is the formalized application of modeling to support system requirements, design, analysis, verification, and validation activities beginning in the conceptual design phase and continuing through development and later phases of the lifecycle. MBSE is a technical approach to Systems engineering that focuses on creating and exploring domain models (also known as Chocolate Factory Diagrams) as the primary means of exchanging information, rather than document-based information exchange. MBSE technical approaches are commonly applied to a wide range of industries with complex systems such as aerospace, defense, rail, automotive, manufacturing, etc.

History

The first known prominent public use of the term “Model-Based Systems Engineering” is a book by A. Wayne Wymore of the same name. The term MBSE was also commonly used among SysML Partners consortium during the formative years of its Systems Modeling Language (SysML) open source specification project during 2003-2005 so that they could distinguish SysML from its parent language UML v2where the latter was software-centric and associated with the term Model Driven Development (MDD). The standardization of SysML in 2006 resulted in widespread support for modeling tools for it and associated MBSE processes that emphasized SysML as its core. lingua franca. For example, PivotPoint Technology Corp.one of the founding members of SysML Partners, launched a business training course in July 2007 that featured Model-based systems engineering with SysML.

In September 2007, the MBSE approach was further generalized and popularized when INCOSE introduced its “MBSE 2020 Vision”, which was not restricted to SysML, and supported other competitive templating language standards such as AP233, HLA and Modelica. According to the MBSE 2020 Vision: “The MBSE is expected to replace the document-centric approach that was practiced by systems engineers in the past and influence the future practice of systems engineering by being fully integrated into the definition of engineering processes of systems”.

As of 2014, the scope of the MBSE has expanded to more Modeling and Simulation topics, in an attempt to bridge the gap between system model specifications and related system software simulations. As a consequence, the term “modeling and simulation-based systems engineering” has also been increasingly associated with MBSE.

According to INCOS SEBOK (Systems engineering knowledge book) MBSE can be considered a “subset of digital engineering“. INCOSE hosts an annual meeting on MBSE as well as MBSE working groups.

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