基于改进的辅助分类器生成对抗网络和VAE的高速列车车轮轴承的故障检测
Jiandong Qiu1, Jiaxuan Liu1, Minan Tang2
1School of Mechanical Engineering, Lanzhou Jiaotong University, Lanzhou, China.
PloS one
|October 28, 2025
概括
本研究介绍了一种新型的生成模型,用于高速列车车轮轴承故障检测,有效地解决有限的故障数据. VAE-IACGAN-CNN模型显著提高了检测准确度,提高了运营安全.
科学领域:
- 工程 工程师 工程师 工程师
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 高速列车车轮轴承的故障检测对于安全至关重要.
- 缺陷样本的稀缺性阻碍了传统的检测方法.
研究的目的:
- 开发一个受监督的生成模型,以提高错误检测准确性,使用有限的数据.
- 为了提高高速列车轴承故障诊断的性能.
主要方法:
- 将变量自动编码器 (VAE) 作为生成器与改进辅助分类器生成对抗网络 (IACGAN) 集成.
- 整合了一个独立的分类器网络和瓦瑟斯坦距离,并具有梯度处罚损失函数.
- 使用XJTU轴承数据集进行实验验证.
主要成果:
- 在数据和特征层面上,生成的样本与其他GAN变体相比显示出更高的质量.
- VAE-IACGAN-CNN模型实现了88.04%的平均分类准确度,提高了15.17%.
- 由于样本数据不平衡,有效地减轻了准确性降低.
结论:
- 拟议的VAE-IACGAN-CNN模型在检测不平衡数据集的轴承故障方面表现出高效.
- 这种方法显著提高了高速列车故障检测系统的准确性和可靠性.
- 解决了确保铁路运营安全和效率的关键挑战.
相关概念视频
Force Classification
2.3K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
2.3K
Rolling Resistance: Problem Solving
773
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...
773
Classification of Systems-II
453
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
453
Detection of Black Holes
2.5K
Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
2.5K
Bearings: Problem Solving
476
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...
476
Classification of Systems-I
544
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
544
