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Title of Article

CONSTRUCTION OF DIGITAL CIRCUIT TESTS USING A GENERALIZED FAULT MODEL AND THE CONTINUOUS SIMULATION APPROACH


Issue
3
Date
2011

Article type
scientific article
UDC
681.004.6
Pages
72-77
Keywords
automated test construction, fault simulation, continuous models, digital circuits, combinational circuits, constant faults, approach


Authors
Kascheev Nikolay Ivanovich
Nizhegorodskiy gosudarstvennyy tekhnicheskiy universitet im. R.E. Alekseeva

Ponomarev Dmitriy Maksimovich
Nizhegorodskiy filial Gosudarstvennogo universiteta - Vysshey shkoly ekonomiki

Podyablonskiy Fedor Mikhaylovich
Nizhegorodskiy gosudarstvennyy tekhnicheskiy universitet im. R.E. Alekseeva


Abstract
This paper considers the development of digital circuit tests using continuous models of discrete devices. An algorithm is presented which makes it possible to solve the problem of finding test sets using continuous optimization. A generalized fault model is proposed which implements a unified approach to the representation of different types of faults in test generation. The proposed approach is implemented as a software environment for research and development of fault models and algorithms for finding digital circuit tests. For testing, a system of automated test generation for constant faults of combinational circuits has been built. The performance estimation results for the software package developed for the ISCAS '85 benchmark circuits demonstrate the effectiveness of the algorithms and methods used.

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