集成振动信号分析和图像嵌入,用于在制造业中增强轴承故障诊断
1Department of Industrial Engineering, Yonsei University, Seoul, 03722, Republic of Korea.
Scientific reports
|March 27, 2025
概括
这项研究介绍了ZERONE,一种用于轴承故障诊断的新方法,该方法将多种数据集成到单一图像中进行分析. 这种方法显著提高了机械系统的诊断准确性和可解释性.
科学领域:
- 机械工程 机械工程
- 人工智能的人工智能
- 信号处理 信号处理
背景情况:
- 轴承故障诊断对于工业机械的可靠性至关重要.
- 当前的深度学习方法往往忽视了关键的领域知识和操作条件.
- 自动故障诊断需要强大的特征表示.
研究的目的:
- 开发一种用于机械轴承故障诊断的新型图像嵌入方法 (ZERONE).
- 将时间域,频域和操作条件特征集成到统一的图像表示中.
- 提高基于深度学习的故障诊断系统的准确性和可解释性.
主要方法:
- 拟议的ZERONE方法用于嵌入振动信号特征的图像.
- 代表特征作为二进制 (零或一) 彩色数字和分类变量作为文本.
- 使用卷积神经网络对生成的图像进行故障诊断.
- 使用梯度加权类激活映射 (Grad-CAM) 来实现模型的可解释性.
主要成果:
- 在帕德博恩大学轴承数据集上获得了98.24%的准确性.
- 在江南大学数据集上实现了99.64%的准确性.
- 与现有的图像嵌入方法相比,显示了7.24%的平均性能改进.
结论:
- 通过有效地整合多模式数据,ZERONE为轴承故障诊断提供了卓越的方法.
- 该方法提高了诊断准确度,并通过特征可视化提供了有价值的解释性.
- ZERONE为机械系统的自动故障诊断设置了一个新的基准.
相关概念视频
Bearings: Problem Solving
259
Understanding the calculations and concepts related to double-collar bearings is essential for engineers and designers to optimize the performance of these components in various applications. By analyzing the bearing under different conditions, one can ensure that it can withstand the forces and moments experienced during operation. This knowledge enables better decision-making when designing and selecting bearings for specific purposes and configurations. Consider a double-collar bearing with...
259
Journal Bearings
609
Journal bearings are mechanical components that support and provide lateral stability to rotating shafts and axles. They are crucial in reducing friction, wear, and vibration in machinery such as engines, turbines, and pumps. The principle behind journal bearings is forming a thin lubricant film between the bearing surface and the rotating shaft, which minimizes direct contact and reduces frictional forces.
To better understand the concept of journal bearings, consider a rope winch with dry or...
To better understand the concept of journal bearings, consider a rope winch with dry or...
609
Pivot Bearings
1.1K
In mechanical systems, bearings are crucial in facilitating relative motion between two components while minimizing friction and wear. They help distribute various loads (radial, axial or a combination of both loads) across machinery parts, ensuring smooth and efficient operation.
A pivot bearing is a specialized type of bearing designed to support axial loads on a rotating shaft. The bearing surface, or the pivot, is positioned at the end of a shaft to support the axial thrust. The pivot may...
A pivot bearing is a specialized type of bearing designed to support axial loads on a rotating shaft. The bearing surface, or the pivot, is positioned at the end of a shaft to support the axial thrust. The pivot may...
1.1K
Bearing Stress
689
Bearing stress refers to the contact pressure between two separate bodies. To visualize this, imagine a bolt thrust through a plate. The bolt applies a force to the plate, which exerts an equal but opposite force back onto the bolt. This force isn't just a singular entity but a compilation of numerous smaller forces distributed across the contact surface between the bolt and the plate.
Due to the intricacy of these microforces, an average value, known as bearing stress, is often used by...
Due to the intricacy of these microforces, an average value, known as bearing stress, is often used by...
689
Transmission Shafts: Problem Solving
205
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
Next, use bending moment diagrams for the shaft to...
205
Collar Bearings
1.2K
Collar bearings are essential in various machines designed to support axial loads on rotating shafts. Depending on the specific application and requirements, they can be found with single or multiple collars.
1.2K


