NDLI: Fault detection in a tristate system environment

Content Provider	IEEE Xplore Digital Library
Author	Wenyi Feng Wei Kang Huang Meyer, F.J. Lombardi, F.
Copyright Year	1998
Description	Author affiliation: Dept. of Comput. Sci., Texas A&M Univ., College Station, TX, USA (Wenyi Feng)
Abstract	We present a novel approach for detecting faults in tristate system environments-e.g., in multiple board systems. These environments are made of an interconnect and drivers/receivers with tristate features. We present a comprehensive fault model that includes faults in terminals (drivers/receivers) and nets. Under this fault model, physical faults (stuck-at and short), as well as functional faults (dominance, permanently enabled or permanently disabled driver modes), are taken into account. We show that, for a single net with L drivers, 2L tests are necessary and sufficient for fault detection. This is independent of the number of receivers. We extend this result to a system environment with N nets and where K is the maximal number of drivers for a net. Under the proposed fault model, any number of faults of any type can be detected in a system environment using any types that can be detected in a system environment using max (2K, P) tests, where P is the minimal integer that satisfies C/sub /2//sup P//spl ges/N. If only the traditional (wired-AND or wired-OR) model is assumed, then the test set required for fault detection can be further reduced. We provide simulation results and show that the proposed approach outperforms previous methods found in the technical literature.
Starting Page	253
Ending Page	258
File Size	538339
Page Count	6
File Format	PDF
ISBN	0818682779
ISSN	10817735
DOI	10.1109/ATS.1998.741621
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-12-02
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault detection System testing Rivers Computer science Laboratories Integral equations Vehicles
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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