Ever design a system, and then see a human operator lock it up by behaving in a manner you never imagined they would? If yes, your system is vulnerable to Off-Nominal Behaviors (ONBs). ONBs are behaviors invoked upon a system (often, by unpredictable human operators) that were unaccounted for by the system’s designers because of their human tendency to assume that operators will use the system in a nominal manner.
In a paper to be presented at SAE COMVEC 2016, DISTek Integration, Inc. looks at addressing ONB vulnerability by using a requirements modeling technique known as Causal Component Model (CCM). You are welcome to attend the presentation or access the paper being……..