Multi-Decision Decentralized Prognosis of Failures in Discrete Event Systems

被引：13

作者：

Khoumsi, Ahmed ^{[1
]}

Chakib, Hicham ^{[1
]}

机构：

[1] Univ Sherbrooke, Dept Elect & Comp Engn, Sherbrooke, PQ J1K 2R1, Canada

来源：

2009 AMERICAN CONTROL CONFERENCE, VOLS 1-9 | 2009年

关键词：

SUPERVISORY CONTROL;

D O I：

10.1109/ACC.2009.5159960

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

An architecture for the decentralized prognosis of discrete event systems (DES) was recently proposed in [1], where several local prognosers cooperate for predicting failures in a system modeled as a DES. In this paper, we first formulate the proposition of [1] as a disjunctive architecture, and we develop a conjunctive architecture which is dual and complementary to the disjunctive one. Then, we develop a so-called multi-decision prognosis which generalizes the conjunctive and disjunctive prognosis architectures. The basic principle of multi-decision prognosis consists in using several decentralized prognosis architectures working in parallel. We finally show that our work can be easily extended for predicting a failure at least k steps before its occurrence, for a given k >= 1.

引用

页码：4974 / 4981

页数：8

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