1 School of Computer Science and Engineering, Anhui University of Science & Technology, Huainan 232001, China
2 State Key Laboratory of Digital Intelligent Technology for Unmanned Coal Mining, Anhui University of Science & Technology, Huainan 232001, China
3 School of Mechatronics Engineering, Anhui University of Science & Technology, Huainan 232001, China
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文章历史+
Received
Published
Revised
2025-05-11
2026-04-18
2025-11-19
Online Date
2026-06-08
PDF (7760K)
摘要
矿井提升系统中,刚性罐道的故障诊断对于保障设备运行安全具有重要意义。传统基于一维振动信号的分析方法在处理非线性、高维度且噪声干扰强的信号时,存在特征提取能力不足、空间结构信息丢失以及诊断精度不高等问题,难以适应复杂工况下的实际需求。针对这些问题,提出了一种基于平面核感知与多尺度结构嵌入(planar kernel perception and multi-scale structural embedding,PKP-MSSE)的刚性罐道故障诊断方法。该方法引入基于核映射的相似性建模与多尺度结构嵌入机制,构建能够同时表征样本局部与全局几何关系的多尺度核空间结构表达,从而增强对非线性高维特征的提取能力;同时通过在平面图像的两个方向上提取判别性特征,有效保留空间结构信息,避免传统方法中因向量化处理带来的结构丢失;最后,联合优化局部保持与全局散度目标函数,在实现有效降维的同时提升故障识别精度。实验结果表明,PKP-MSSE在刚性罐道模拟实验数据集上表现出优异的识别率和鲁棒性,具有优秀的抗噪能力。该方法有效增强了故障特征的类可分性,为刚性罐道的故障识别提供了可靠手段。
Abstract
In mine hoisting systems, fault diagnosis of rigid cage guides is of great importance for ensuring equipment operation safety. Traditional methods based on one-dimensional vibration signals face challenges such as insufficient feature extraction ability, loss of spatial structural information, and low diagnostic accuracy when dealing with nonlinear, high-dimensional, and noisy signals. To address these issues, a fault diagnosis method based on planar kernel perception and multi-scale structural embedding (PKP-MSSE) was proposed. The method introduced kernel-based similarity modeling and a multi-scale structural embedding mechanism. A multi-scale kernel space structural representation was constructed to capture both local and global geometric relationships of samples. Discriminative features were extracted in two directions of planar images to preserve spatial structural information and avoid the loss caused by vectorization in traditional approaches. Local preservation and global divergence objective functions were jointly optimized to achieve effective dimensionality reduction and improve fault identification accuracy. Experimental results show that PKP-MSSE achieves excellent recognition rate and robustness on a rigid cage guide simulation dataset. The method demonstrates strong noise resistance and enhances class separability of fault features. It provides a reliable approach for fault identification of rigid cage guides.
SU Shu-zhi, XU Zhi-long, MA Tian-bing, ZHU Yan-min, LI Chang-peng.
Fault Diagnosis of Rigid Cage Guides Based on Planar Kernel Perception and Multi-scale Structural Embedding[J].
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