基于深度图卷积网络的滚筒轴承的智能复合故障诊断
Caifeng Chen1, Yiping Yuan1, Feiyang Zhao1
1School of Mechanical Engineering, Xinjiang University, Urumqi 830047, China.
Sensors (Basel, Switzerland)
|October 28, 2023
概括
这项研究引入了一种新的深图卷积网络 (DGCN),用于诊断滚动轴承中的复合材料故障. 该方法有效地区分复杂的轴承故障,提高诊断准确度.
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:
- 滚动轴承是机械中的关键部件.
- 滚动轴承的复合故障往往导致错误分类,因为与单个故障的高相关性.
- 准确的故障诊断对于防止灾难性故障和确保操作可靠性至关重要.
研究的目的:
- 提出一种有效的方法来诊断滚动轴承中的复合材料故障.
- 为了解决由复合和单一故障样本之间的相关性引起的错误分类问题.
- 为了利用深度学习来增强滚动轴承故障识别.
主要方法:
- 原始的振动信号被采集并进行预处理.
- 代表不同健康状况的子样本被构建成图形结构数据.
- 一个深度图形卷积网络 (DGCN) 模型被开发并使用图形结构数据进行训练.
- 该DGCN模型的性能在一个单独的测试套件上进行了验证.
主要成果:
- 该DGCN模型在识别滚动轴承中的复合材料故障方面表现出高准确性.
- 提出的方法有效地缓解了传统方法中普遍存在的错误分类问题.
- 实验结果证实了DGCN在轴承故障诊断方面的可行性和有效性.
结论:
- 深度图形卷积网络 (DGCN) 为滚动轴承复合故障诊断提供了强大而准确的方法.
- 这种方法比现有技术提供了显著的进步,特别是在区分复杂的故障模式.
- 国防总局提出了一个有前途的新方向,用于状态监测和旋转机械的预测性维护.
更多相关视频
06:45Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
Published on: October 28, 2022
1.7K
09:47Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches
Published on: December 15, 2023
1.1K
相关概念视频
Bearings: Problem Solving
289
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...
289
Rolling Resistance: Problem Solving
352
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
352
Sequence Networks of Rotating Machines
105
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
105
Rolling Resistance
299
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down...
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down...
299
Pivot Bearings
1.3K
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...
1.3K
Journal Bearings
689
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...
689
