Two-stage method for synthesizing liveness-enforcing supervisors for flexible manufacturing systems using Petri nets

Document Type

Article

Publication Date

11-1-2006

Abstract

This paper develops a two-stage approach to synthesizing liveness-enforcing supervisors for flexible manufacturing systems (FMS) that can be modeled by a class of Petri nets. First, we find siphons that need to be controlled using a mixed integer programming (MIP) method. This way avoids complete siphon enumeration that is more time-consuming for a sizable plant model than the MIP method. Monitors are added for only those siphons that require them. Second, we rearrange the output arcs of the monitors on condition that liveness is still preserved. The liveness is verified by an MIP-based deadlock detection method instead of much time-consuming reachability analysis. Experimental studies show that the proposed approach is more efficient than the existing ones and can result in more permissive and structurally simpler liveness-enforcing supervisors than all the known existing methods. This paper makes the application of siphon-based deadlock control methods to industrial-size FMS possible. © 2006 IEEE.

Identifier

33751511135 (Scopus)

Publication Title

IEEE Transactions on Industrial Informatics

External Full Text Location

https://doi.org/10.1109/TII.2006.885185

ISSN

15513203

First Page

313

Last Page

325

Issue

4

Volume

2

Grant

60228004

Fund Ref

Scientific Research Foundation for Returned Scholars of Ministry of Education

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