On-line and off-line test of airborne digital systems: a reliability study

Document Type

Conference Proceeding

Publication Date

12-1-2000

Abstract

This paper deals with studying the effects of both on-line and off-line test during flight critical missions where safety is a major issue. The on-line test, in this context, is a test performed on a digital airborne system during some specified windows in time while it is still performing its intended task. An off-line test is a test that is performed on the digital system once it is taken off-line because of a suspected failure. Both the on-line and the off-line tests are performed during flight. The difference between the two is that the off-line test can be made more effective than an on-line test due to the longer amount of time available for testing. Moreover, the off-line test may be designed to have diagnosis and repair capabilities built-in. Upon successful repair, the faulty processor may be reconfigured back into the system. This capability will undoubtedly increase the mission reliability.

Identifier

0034478798 (Scopus)

Publication Title

IEEE International Test Conference TC

ISSN

10893539

First Page

35

Last Page

44

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