| 印刷电路板诊断信息流模型及其应用 |
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| 引用本文： | 李艾华,张西宁,屈梁生.印刷电路板诊断信息流模型及其应用[J].电子科技大学学报(社会科学版),2000(1). |
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| 作者姓名： | 李艾华 张西宁 屈梁生 |
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| 作者单位： | 第二炮兵工程学院!西安710025(李艾华)，西安交通大学!西安710049(张西宁，屈梁生) |
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| 基金项目： | 国家自然科学基金!59335093 |
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| 摘 要： | 从故障诊断的角度分析印刷电路板的原理图，建立了电路板的诊断信息流模型。模型反映了试验及试验与故障之间的观察关系。基于该模型讨论了印刷电路板的故障诊断问题，实例说明了模型的有效性，该模型还具有一定的处理多故障的能力。
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| 关 键 词： | 印刷电路板 诊断信息流 故障诊断 信息熵 |
Diagnostic Information Flow Model of Printed Circuit Boards and Applications |
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| Li Aihua ,Zhang Xining ,Qu Liangsheng.Diagnostic Information Flow Model of Printed Circuit Boards and Applications[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),2000(1). |
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| Authors: | Li Aihua Zhang Xining Qu Liangsheng |
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| Institution: | Li Aihua ;Zhang Xining ;Qu Liangsheng (The Engineering Institute of Second Artillery Xi'an 710025) (Xi'an Jiaotong University Xi'an 710049) |
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| Abstract: | The schematic diagram of PCBs (printed circuit boards) is analyzed based on fault diagnosis, and the diagnostic information flow model (DIFM) of PCBs is built. The observing relations between tests and faults are emphasized and described clearly with DIFM. Based on DIFM, fault diagnosis of PCBs is studied, and efficiency of the model is verified. Moreover, DIFM also can be used for handling with some multiple faults. |
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| Keywords: | printed circuit boards diagnostic information flow fault diagnosis information entropy |
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