通过由光谱集群驱动的子域适应网络,对跨域轴承的剩余有用寿命预测
Zhiqing Xu1, Christopher W K Chow1, Md Mizanur Rahman1
1Sustainable Infrastructure and Resource Management (SIRM), UniSA STEM, University of South Australia, Mawson Lakes, Adelaide, SA 5095, Australia.
Sensors (Basel, Switzerland)
|November 27, 2025
概括
本研究引入了一个新的子域适应网络,用于轴承的剩余使用寿命 (RUL) 预测. 通过动态调整子域边界和权重特征,SC-SAN模型提高了准确性,优于现有方法.
科学领域:
- 机械工程 机械工程
- 机器学习 机器学习
- 人工智能的人工智能
背景情况:
- 轴承故障对操作安全构成重大风险,需要准确的剩余使用寿命 (RUL) 预测.
- 由于工作条件不同而产生的分布差异往往会降低RUL预测模型的性能.
- 现有的域调整技术主要集中在全球特征分布对齐上,忽视域内的细粒度差异.
研究的目的:
- 为了解决RUL预测当前子域适应方法的局限性,例如固定的边界和不平等的特征重要性.
- 提出一个由光谱聚类 (SC-SAN) 驱动的新型子域适应网络,以提高RUL预测.
- 在不同的工作条件下提高轴承RUL预测的准确性和稳定性.
主要方法:
- 由光谱集群 (SC-SAN) 驱动的子域适应网络的发展.
- 使用光谱聚类来动态调整子域边界.
- 根据其重要性,对特征赋予不同权重.
- 类似特征的聚类,以改进适应性.
主要成果:
- 在XJTU-SY和PRONOSTIA数据集上,SC-SAN表现出卓越的性能.
- 实现了0.1009的平均平均绝对误差 (MAE) 和0.1231.123的根平均平方误差 (RMSE).
- 与最先进的方法相比,MAE的显著减少为19.86%,RMSE的显著减少为23.41%.
结论:
- 拟议的SC-SAN模型通过解决现有子域适应技术的局限性,有效地提高了RUL预测的准确性.
- 动态子域边界调整和特征加权对于减轻分布差异至关重要.
- SC-SAN为可靠的轴承健康监测和预测性维护提供了一个有前途的方法.
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