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Volume 17 Issue 1
Jan.  1995
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Ding Jin, Hu Jiandong. A NEW PROBABILISTIC APPROACH TO ESTIMATE TESTABILITY[J]. Journal of Electronics & Information Technology, 1995, 17(1): 55-59.
Citation: Ding Jin, Hu Jiandong. A NEW PROBABILISTIC APPROACH TO ESTIMATE TESTABILITY[J]. Journal of Electronics & Information Technology, 1995, 17(1): 55-59.

A NEW PROBABILISTIC APPROACH TO ESTIMATE TESTABILITY

  • Received Date: 1993-09-28
  • Rev Recd Date: 1994-05-03
  • Publish Date: 1995-01-19
  • A new approach to calculate fault detection probabilities is presented. The fault-free simulation is used in this approach. The quantities of controllabilities and observabilities are defined as probabilities of controlling and observing the nodes in the circuit. The probability distribution of random signals at circuit nodes is analyzed, and it is proved that controllability is in normal distribution. Thus the unbiasing estimate of fault detection probability can be obtained. According to the concept of observability, the fanout nodes are dealt with. For actual circuits the fault coverage obtained from this approach agrees favorably with the fault simulation results.
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  • Lala P K. Fault tolerant and testable hardware design. London: Prentice-Hall International Inc., 1985, Chapter 6, Section 1.[2]Agrawal V D. Journal of Digital Systems, 1981, 5(3):189-202.[3]Franc Brgler, On testability analysis of combinational networks. Proc. of IEEE International Symposium on Circuits and Systems. Montreal: 1984, 221-225.[4]Agrawal V D, Seth S C. Probabilistic testability. Proc. of IEEE International Conference on Computer Design. New York: 1985, 562-565.[5]Hans-Joachim Wunderlich, PROTEST: A tool for probabilistic testability analysis, Proc. of 22nd Design Autumation Conference- New York: 1985, 204-211.[6]Agrawal S J, Agrawal V D. IEEE Design and Test of Computers, 1985, 2(1):38-44.[7]潘榆奇,等.一个实用化的测试产生系统--COMPA ATPGS.北京:中国科学院计算技术研究所CAD开放研究实验室年报,1991,334-342.[8]Feller W. An introduction to probability theory and its applications, Vol. 1, New York: Wiley, 1957, Chapter 7, Section 2.[9]Dacunha-Castelle Didier. Probability and statistics. New York: Springer-Verlag, 1986, Chapter 5, Section 3 and Chapter 1, Section 3.[10]Papoulis A. Probability, random variables and stochastic processes. New York: McGraw Hill, 1984, Ch. 2, 6.[11]韩崇昭,等.随机系统理论.西安:西安交通大学出版社,1986,第三章,第二节.[12]刘志万.实验数据的统计分析和计算机处理.合肥:中国科学技术大学出版社,1989,第二章,第一节.
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