Requirements management is made easier when model-based systems engineering is based on a systems metamodel. An MBSE tool with a systems metamodel behind it is thoroughly integrated, allowing us to be more rigorous and deliberate in our systems engineering efforts. Last month, I discussed the process of refining requirements using …

What makes for good systems engineering? We all know how difficult systems engineering is, but how well are we doing? As I think about maturity levels of organizations, I realize that definitions in the community can be rather heavy on process. I maintain that, although formal processes are best, organizations …

Whether we realize it or not, our brains will consider behavior when contemplating requirements. How, then, can we formalize this process? How do we ensure we address the functionality of our systems as we consider requirements? As systems engineers, we develop a mental model of requirements analysis based on the …

Commonwealth: May it please the Court, ladies and gentlemen of the jury. The defendant in this case, Commonwealth v. Systems Engineer, stands charged with the modelslaughter of the system model. The deceased model in this case is not an ancillary or limited representation of some aspect of the system, but …