Author: Brian Selvy

The Importance of Early Verification Planning

We often think about verification as something that is done toward the end of the development phase of a program, which must be concluded just prior to entering the operational phase. While that is true in terms of execution and reporting of the final, formal verification activities, in reality, the …

A Review of a Mathematical Definition of a System

There have been a number of attempts at generating a mathematical definition of a system, dating back to at least Ludwig von Bertalanffy’s now classic book, General System Theory, published in 1968. The systems engineering community would benefit greatly from such a definition, which would define a system precisely in …

The Importance of Architecting our Modeling Environment

Systems engineers and systems architects have many architectures of which they need to be aware: there’s the architecture of the system-of-interest (or system under design), the architecture of the larger system in which the system-of-interest must operate (the context system), and the architecture of the enabling system (the enterprise or …