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利用归纳法对Global Diagnosable Sequence的故障诊断能力进行了分析。分析结果表明:目前该算法“关于征兆混淆问题”的结论是不够准确的,除了满足一个基本互连诊断算法的抗混淆能力以外,还对W-A/W-O以及W-O/S-D-k无征兆混淆。并由证明过程得到以下结论:无W-O征兆误判的诊断算法必然不存在W-O/S-D-k征兆混淆。
The diagnostic ability of Global Diagnosable Sequence is analyzed by inductive method. The results of the analysis show that the current algorithm ’s conclusion “about the problem of confusion” is not accurate enough and there is no sign of confusion between W-A / W-O and W-O / S-D-k in addition to meeting the anti-aliasing ability of a basic interconnection diagnostic algorithm. The following conclusions are drawn from the proof process: Diagnostic algorithms that do not misjudge W-O signatures must not be confused with the W-O / S-D-k sign.