Research Article

Enhancement of Selective Siphon Control Method for Deadlock Prevention in FMSs

Table 11

The comparison results in Example 1.

Important parameter comparison[15]This work

Optimal (maximally permissive) control?YesYes

Can make sure the exact number of optimal states in first stage?NoYes

How many reachable markings are needed to check in first stage?205

How many reachable markings are needed to check in second stage?161