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Author:

Wang Pu (Wang Pu.) | Zhang Haili (Zhang Haili.) | Gao Xuejin (Gao Xuejin.) | Gao Huihui (Gao Huihui.)

Indexed by:

incoPat

Abstract:

一种基于批次图像化的卷积自编码故障监测方法,属于间歇过程故障监测技术领域。包括离线建模和在线监测两个步骤。离线建模步骤首先将间歇过程三维数据归一化;之后将每个批次的二维数组作为图像直接输入卷积自编码器(convolutional autoencoder,  CAE)中进行深度无监督特征学习;最后,利用一类支持向量机对CAE学到的特征构造统计量和相应的控制限。在线监测步骤将采集到的数据归一化,并进行批次填充;将归一化及填充后的批次图输入训练好的CAE中学习特征;计算在线统计量,并与离线控制限比较。相比于现有技术,避免了数据展开导致的信息丢失,无需划分阶段减少建模工作量,深层地提取过程变量的变化特征,降低间歇过程监测的误报和漏报率。

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Patent Info :

Type: 发明申请

Patent No.: WOCN20096733

Filing Date: 2020-06-18

Publication Date: 2021-05-14

Pub. No.: WO2021088377A1

Applicants: Beijing University Of Technology

Legal Status: 未进入国家阶段-PCT有效期满

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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