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Fault diagnosis investigation of machine based on one-class hyperspherical SVM
Pages: 553-558
Year: Issue:  6
Journal: Journal of Vibration Engineering

Keyword:  故障诊断一类超球面支持向量机互信息匀幅;
Abstract: 针对机械故障诊断中故障类样本不易获取以及样本分布不均的问题,提出了基于一类超球面支持向量机(SVM)的故障诊断方法,该方法只需要对正常类样本进行训练.试验分析了异常类样本缺失对一类超球面支持向量机性能的影响,并提出模型参数优化选择方法,以提高分类模型的推广能力.分析了不同训练结果的分类能力,并对一类超球面支持向量机与一类超平面支持向量机的分类结果进行比较,验证了前者的正确性和有效性.
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