Please note that this trail section only covers Behavior StateMachines noting that ProtocolStateMachines are excluded from SysML.
This trail section is currently mostly just annotated diagrams only - with no additional text explanations except for linked Notes and Snippet spec extracts
If you are already a "UML ninja" by all means skip to the SysML starting point:
You may also like to view these related tutorial trails and videos:
HOWTO simulate UML-2.5.1 'Figure 14.7 Composite State with two States' in Cameo Simulation Toolkit - Operation-driven Transition case study
Screencast: Tutorial: UML/SysML: StateMachines vs Activities: Operation-driven Transition case study - UML-2.5.1 'Figure 14.7 Composite State with two States' in Cameo Simulation Toolkit
Screencast: Mini tutorial: UML/SysML: Cameo Simulation Toolkit: Send and receive a Signal using a SendSignalAction and an AcceptEventAction