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Based on the influence of circuit element tolerances to the k-fault diagnosis, a method of fault diagnosis is presented which is called minimum tolerance estimation algorithm and has clear physical meaning. Using this'method, an effective estimation of the equivalent fault sources can be obtained with less computing time. It is especially worthwhile to point out that an adaptive sub-optimum algorithm, which comes from the above method, requires even less computing-labor and is particularly suitable to more complicated circuits as well as real-time fault location. 相似文献
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论文介绍了智能住宅系统在国内外的发展现状;描述了智能住宅系统中用户接口的概念,并指出现有用户接口的不足;给出了一种具有自主知识产权的适合我国国情的智能住宅系统用户接口的解决与设计方案;并提出了对其发展的进一步构想。 相似文献
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一种基于贝叶斯决策理论的模糊集划分方法 总被引:4,自引:0,他引:4
1引言故障诊断字典法是模拟电路故障诊断中具有较高实用价值的方法,该法对含一定容差的线性、非线性电路的硬故障有较好诊断能力.其实施步骤包括:故障集与激励信号选择、模糊集划分、节点优选、故障隔离、故障字典建立、根据测试向量诊断故障[1].其中模糊集划分是字典法实施的关键,它将直接影响节点优选、故障隔离及故障字典的建立.而故障字典则是最终诊断的依据,所以模糊集划分的合理性将关系到故障诊断的有效性.2传统模糊集划分法由于模拟电路元件参数具有容差,造成电路实际响应也具有容差,使得计算值和测量值不一致.而且由于… 相似文献