故障的可診性
-TESTABILITY FOR k-FAULTS DIAGNOSIS
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摘要: 本文利用攝動理論和流形距離,首次提出了容差電路k故障可診條件,該條件定量地描述了容差電路可診性是如何依賴于電路標(biāo)稱數(shù)據(jù)和可測得信號的。文章還指出了該可診條件為合理使用定位故障的極值法提供了理論基礎(chǔ)。
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關(guān)鍵詞:
- 故礙診斷; 可診性; 攝動分析; 流形
Abstract: Using perturbation theories and a distance in manifolds, this paper initiates a testability condition for k-faults diagnosis in analog circuits with tolerance. In this condition, this paper mathematically elaborates how testability of a circuit with tolerance depends on both nominal data and measurable signals of the circuit. In addition, it is shown that this condition provides a theoretical basis for reasonably application of extreme methods to locate faults. -
Liu R W. A Circuit Theoretic Approach to Analog Fault Diagnosis. in Testing and Diagnosis of Analog Circuits and Systems. ed. by Liu R W. New York: Van Nostrand Reinhold, 1991, 1-35.[2]Togara Y, Matsumoto T, Arai H. IEEE Trans. on CAS, 1986, CAS-33(10): 992-1009.[3]張志涌,楊祖櫻.電子科學(xué)學(xué)刊,1994,16(1): 18-25.[4]張志涌,楊祖櫻.通信學(xué)報,1993,14(3):5-10.[5]Davis C, Kahan W M. SIAM J[J].Numer. Anal.1970, 7(1):1-46[6]Golub G, Van Loan C F. Matrix Computations. Baltimore: Johns Hopkins Uaiv. Press, 1983, 428-431. -
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