Journal
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
Volume 46, Issue 4, Pages 499-511Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2015.2445732
Keywords
Expert systems; fuzzy Petri nets (FPNs); knowledge representation; linguistic 2-tuples; linguistic production rules
Funding
- National Natural Science Foundation (NSFC) of China [71402090]
- NSFC [71432007]
- China Post-Doctoral Science Foundation [2014M560356]
- Program for Young of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
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This paper proposes a linguistic reasoning Petri net (LRPN) model and develops an ordered weighted linguistic reasoning (OWLR) algorithm for knowledge representation and reasoning. Linguistic production rules in the knowledge base of a decision support system are modeled by LRPNs, where the truth degrees of the propositions in the linguistic production rules and the certainty factors of the rules are represented by linguistic 2-tuples. Moreover, both local and global weights of knowledge rules are taken into account in the linguistic reasoning process. The developed OWLR algorithm can allow the rule-based expert systems modeled with LRPNs to execute knowledge reasoning in a more flexible and intelligent manner. Finally, a case study regarding production rescheduling is presented to show the effectiveness and benefits of the proposed LRPN model and the linguistic reasoning approach.
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