Reliable fuzzy prognosability of decentralized fuzzy discrete-event systems and verification algorithm

被引：4
作者：
Zhu, Tianxiang [1 ,2 ]
Liu, Fuchun [1 ]
Xiao, Cuntao [1 ]
机构：
[1] Guangdong Univ Technol, Sch Comp, Guangzhou 510006, Guangdong, Peoples R China
[2] Hanshan Normal Univ, Sch Math & Stat, Chaozhou 521041, Peoples R China
来源：
INFORMATION SCIENCES | 2023年 / 627卷
关键词：
Discrete -event systems; Fuzzy finite automata; Decentralized systems; Reliable prognosability; Fuzzy prognosis; SUPERVISORY CONTROL; FAULT PROGNOSIS; PREDICTABILITY; OBSERVABILITY; DIAGNOSIS;
D O I：
10.1016/j.ins.2023.01.083
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates the problem of reliable fuzzy prognosis of decentralized fuzzy discrete event systems (FDESs) in face of possible unavailability of some local agents. Firstly, the notion of k-reliable fuzzy coprognosability is formalized for a decentralized FDES with m local agents, which requires that a k-reliable fuzzy coprognosable FDES can predict the fault to a certain degree in the manner of fuzziness even when m -k local agents are unavailable, where 1 <= k <= m. Then, a reliable fuzzy copredictor is constructed to perform the reliable fuzzy prognosis of decentralized FDESs, and a necessary and sufficient condition of the k-reliable fuzzy coprognosability is pre-sented. In particular, an algorithm based on reliable fuzzy copredictor is proposed to verify the k-reliable fuzzy coprognosability of FDESs.
引用
收藏
页码：220 / 237
页数：18
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