Exclusive test and its applications to fault diagnosis

被引:35
|
作者
Agrawal, VD [1 ]
Baik, DH [1 ]
Kim, YC [1 ]
Saluja, KK [1 ]
机构
[1] Rutgers State Univ, Dept ECE, Piscataway, NJ 08855 USA
关键词
D O I
10.1109/ICVD.2003.1183128
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We introduce a new type of test, called exclusive test, and discuss its application to fault diagnosis in combinational circuits. A test that detects exactly one fault from a given pair of faults is called an exclusive test. In general, generation of an exclusive test by a conventional automatic test generator requires a model of the circuit with multiple-faults. We describe an ATPG model that transforms the exclusive test problem into a single-fault test generation problem. We present a generalized diagnostic method and illustrate the use of exclusive tests,in improving the diagnostic resolution of a test set. Results of diagnosis with exclusive tests for ISCAS85 benchmark circuits are included.
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页码:143 / 148
页数:6
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