On-Line Diagnosis of Discrete-Event Systems: A Hierarchical Approach

Xiangfu Zhao, D. Ouyang
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引用次数: 2

Abstract

Hierarchy is a remedy way to reduce the demanding complexity of model-based diagnosis. In this paper, an approach to diagnosis of discrete-event systems in a hierarchical way is proposed, inspired by the concept "D-holon" and the concept "Silent Closure" presented in the literatures recently. Each extended silent closure can be seen as a special type of D-holons, called SCL-D-holon. Every hierarchical level is an SCL-D-holon built off line. When on line diagnosing a discrete-event system, only related SCL-D-holons will be called instead of all the SCL-D-holons generally, thus the space complexity is reduced. In comparison to on line creating silent closures, the efficiency is improved as well.
离散事件系统的在线诊断:一种分层方法
层次结构是降低基于模型的诊断复杂性的一种补救方法。本文受近年来文献中提出的“D-holon”概念和“沉默闭包”概念的启发,提出了一种离散事件系统的分层诊断方法。每个延伸的沉默闭包都可以被看作是一种特殊类型的d -holon,称为SCL-D-holon。每个层级都是离线构建的scl - d holon。在对离散事件系统进行在线诊断时,只调用相关的scl - d空子,而不是调用所有的scl - d空子,从而降低了空间复杂度。与在线创建静默闭包相比,效率也得到了提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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