SysML offers nine types of diagrams, each with a specific purpose and notation. You don't have to use all of them, but you should choose the ones that best suit your needs and goals. For example ...

Use Case diagrams are well-known for their use to specify and describe system requirements. From initial system requirements documents, use cases can be derived representing several scenarios. These ...

Modeling the control strategy action 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 ...

While Figure 21 showed the relation of the physical subsystem with other modules, Figure 22 displays the internal composition of the physical subsystem by means of a SysML internal block diagram. Here ...