AN EVIDENTIAL REASONING EXTENSION TO QUANTITATIVE MODEL-BASED FAILURE DIAGNOSIS

被引：24

作者：

GERTLER, JJ ^{[1
]}

ANDERSON, KC ^{[1
]}

机构：

[1] NASA,GODDARD SPACE FLIGHT CTR,CLIFTON,VA 22024

来源：

IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS | 1992年 / 22卷 / 02期

关键词：

D O I：

10.1109/21.148430

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

The detection and diagnosis of failures in physical systems characterized by continuous-time operation is studied. A quantitative diagnostic methodology has been developed that utilizes the mathematical model of the physical system. On the basis of the latter, diagnostic models are derived that each comprise a set of orthogonal parity equations. To improve the robustness of the algorithm, several models may be used in parallel, providing potentially incomplete and/or conflicting inferences. Dempster's rule of combination is used to integrate evidence from the different models. The basic probability measures are assigned utilizing quantitative information extracted from the mathematical model and from on-line computations performed therewith.

引用

页码：275 / 289

页数：15

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