Not All “Truth” is Created Equal

A single source of truth. This is one of the most used and most overloaded terms in model-based systems engineering – perhaps second only to “model” itself. A clear and compelling objective on the surface, it is shorthand representing an aspiration for project teams and a benefit of adopting MBSE. …

The Three Systems

We often talk about understanding the three systems involved in the design space: the system under design, the context system, and the designing system. These three systems are depicted in Figure 1 from Vitech’s MBSE Primer, shown below. As the illustration makes clear, not only does the design team need …