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Turbine Fault Diagnosis Based on Fuzzy Theory and SVM

机译:基于模糊理论和支持向量机的汽轮机故障诊断

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摘要

A method based on fuzzy and support vector machine (SVM) is proposed to focus on the lack of samples in fault diagnosis of turbine. Typical fault symptoms firstly are normalized by the membership functions perceptively. Then some samples are used to train SVM of fault diagnosis. With the trained SVM, the correct fault type can be recognized. In the application of condenser fault diagnosis, the approach enhances successfully the accuracy of fault diagnosis with small samples. Compared with the general method of BP neural network, the method combining advantages of fuzzy theory and SVM makes the diagnosis results have higher credibility.
机译:针对汽轮机故障诊断中样本量少的问题,提出了一种基于模糊支持向量机的方法。典型的故障症状首先通过隶属函数在感知上进行标准化。然后使用一些样本来训练故障诊断的支持向量机。使用训练有素的SVM,可以识别正确的故障类型。在冷凝器故障诊断中的应用,该方法成功地提高了小样本故障诊断的准确性。与常规的BP神经网络方法相比,该方法结合了模糊理论和支持向量机的优势,使得诊断结果具有较高的可信度。

著录项

  • 来源
  • 会议地点 Shanghai(CN);Shanghai(CN)
  • 作者单位

    College of Electric Power and Automation Engineering,Shanghai University of Electric Power,200090 Shanghai, China;

    College of Electric Power and Automation Engineering,Shanghai University of Electric Power,200090 Shanghai, China;

    College of Electric Power and Automation Engineering,Shanghai University of Electric Power,200090 Shanghai, China;

    College of Electric Power and Automation Engineering,Shanghai University of Electric Power,200090 Shanghai, China;

    Nanchang Power Supply Corporation,330006 Nanchang, JiangXi, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 人工智能理论;
  • 关键词

    turbine fault diagnosis; fuzzy theory; SVM;

    机译:涡轮故障诊断;模糊理论支持向量机;

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