In this paper, we aim to ascribe a meaning to SysML activity diagrams. To this end, we propose a dedicated algebraic-like language, namely activity calculus, and an operational semantics that provides ...

We are now going to model the control strategy action. This action is expressed by means of a SysML activity diagram that focuses on the inputs, outputs, sequences and the related conditions. The ...

SysML uses some UML 2.0 diagrams as is, extends some other UML 2.0 diagrams, and introduces new diagrams to achieve its goals. Figure 1 shows the SysML diagram architecture. Figure 1 SysML 1.0 Diagram ...

Once the modeling of the three subsystems has been completed, the other parts of the automation unit can be modeled. Regarding this aspect, we will first model the pressure device block, as described ...