工业智能所要解决的问题大都是针对特定设备的特定问题,其数据表征应该符合设备运行的机理。在大量杂乱的数据当中,依照设备运行机理可以帮助选择、构建出更加有用的变量,为决策支持提供有效依据。特征工程,非监督式学习很大一部分研究工作就是针对如何从海量数据提取有效特征。基于机理的特征提取方法在传统的故障诊断上应用广泛,例如轴承故障诊断中所用到的失效频率。在大数据分析,人工智能冲击传统行业的同时,传统行业的分析方法也在人工智能领域得到应用,在2017年的AAAI荣获outstandingpaper award的文章“Label-Free Supervision of NeuralNetworks with Physics and Domain Knowledge”就是将机理模型加入神经元网络的训练当中得到优化的网络模型。
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