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基于变压器和定制的门控制的多任务联合学习模型,用于预测工具的剩余使用寿命和健康状况
Chunming Hou1,2, Liaomo Zheng1,3
1Shenyang Institute of Computing Technology, Chinese Academy of Sciences, Shenyang 110168, China.
Sensors (Basel, Switzerland)
|July 13, 2024
概括
本研究引入了一种新的模型,用于同时预测工具剩余使用寿命 (RUL) 和磨损阶段. 变压器编码器和定制门控制 (TECGC) 模型实现了准确的预测,改善了工具维护策略.
科学领域:
- * 预测性维护 预测性维护
- * 机器学习 * 机器学习
- * 工具磨损分析
背景情况:
- *传统的剩余使用寿命 (RUL) 预测模型通常将工具RUL视为一个独立的过程,忽视其与工具磨损阶段的关系.
- *了解RUL和磨损的相互联系对于有效的预测性维护和优化工具寿命至关重要.
研究的目的:
- * 提出一种新的多任务联合学习模型,用于同时预测工具RUL和工具磨损阶段.
- * 开发一种利用共享和特定任务特征的模型,以提高预测准确度.
- * 引入一种高效的培训方法,以提高模型性能.
主要方法:
- *开发了一个变压器编码器和定制门控制 (TECGC) 模型.
- *利用变压器编码器从原始数据中提取共享特征.
- * 实现定制门控制 (CGC) 以隔离特定任务的功能,用于RUL和磨损阶段预测.
- * 引入动态自适应的多任务学习损失函数,以实现高效的模型训练.
主要成果:
- * TECGC模型在PHM2010数据集上准确地同时预测了工具RUL和工具磨损阶段.
- * 拟议的动态适应性损失函数提高了培训效率,并避免了与权衡参数选择相关的问题.
- * 联合学习方法有效地捕捉了工具磨损和RUL之间的关系.
结论:
- * TECGC模型为集成工具RUL和磨损阶段预测提供了强大的解决方案.
- *这种方法提高了预测性维护系统的准确性和效率.
- *这些发现表明,工具健康监测和管理方面取得了重大进展.
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