Measures of testability for automatic diagnostic systems

Author

Aly, Nael A E ; Aly, Adel A.

Author_Institution

California State Univ., Stanislaus, CA, USA

Volume

37

Issue

5

fYear

1988

fDate

12/1/1988 12:00:00 AM

Firstpage

531

Lastpage

538

Abstract

Evaluation models of automatic diagnostic systems are investigated taking into consideration their imperfections such as failure to diagnose, incorrect isolation, false alarms, and inability to duplicate. Three measures of effectiveness are developed that enable the decision-maker to assess accurately the real capability of the diagnostic system and to evaluate and compare the performances of alternative automatic diagnostic systems based on their mean life-cycle cost. Analytic procedures for using these measures are developed, and an example is presented. It is concluded that the capability and performance of automatic diagnostic systems can be assessed using three measures of effectiveness; false removal, failure to diagnose, and false alarm correction. The three measures can be used to predict the mean life-cycle cost of automatic diagnostic systems, including the mean cost of imperfections of such systems

Keywords

automatic test equipment; fault location; maintenance engineering; automatic diagnostic systems; failure to diagnose; false alarm correction; false removal; fault detection; fault isolation; maintenance; mean life-cycle cost; testability measures; Aerospace electronics; Automatic testing; Built-in self-test; Costs; Error correction; Fault detection; Manuals; Reliability theory; System testing; Test equipment;

fLanguage

English

Journal_Title

Reliability, IEEE Transactions on

Publisher

ieee

ISSN

0018-9529

Type

jour

DOI

10.1109/24.9877

Filename

9877