Confusion Control in Generalized Petri Nets Using Synchronized Events

Figure 12

Illustration of the control of external events: (a) a transition with an external event, (b) the feedback structure of (a), (c) two synchronized transitions, (d) the feedback structure of (c), (e) two synchronized transitions with a common preset place, (f) the feedback structure of (e), (g) setting dependency relation for two external events, and (h) the feedback structure of (g).