复合故障特征分析用于行星轮列车故障诊断
Yulin Ren1, Guoyan Li1,2, Xiong Li1
1Key Laboratory of Advance Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China.
Sensors (Basel, Switzerland)
|February 10, 2024
概括
这项研究以载体离心率误差和行星轮列车 (PGT) 的轮裂为模型. 它揭示了这些复合故障如何影响振动响应,有助于实际故障诊断.
科学领域:
- 机械工程 机械工程
- 振动分析 振动分析
- 错误诊断 错误诊断 错误诊断 错误诊断 错误诊断 错误诊断
背景情况:
- 行星轮列车 (PGT) 容易出现同时发生的载体偏心误差和轮组合故障.
- 这些相结合的故障使动态反应复杂化,阻碍了实际的故障诊断.
- 了解这些故障的共同影响对于可靠的PGT运行至关重要.
研究的目的:
- 开发一个模型,分析载体离心率误差和PGT轮裂的综合影响.
- 调查这些复合故障对PGT动态反应和振动特征的影响.
- 提供用于PGTs的实际复合故障诊断的参考.
主要方法:
- 提出了一个载体离心率误差模型,并将其集成到时间变化的网格度 (TVMS) 模型中.
- 使用潜在能量的方法,推导出一个破裂轮的TVMS.
- 建立了PGT的动态模型,其中包括载体偏心误差和复合轮裂.
- 模拟的网格特性和动态响应.
- 对振动反应进行实验分析.
主要成果:
- 该研究成功地模拟了载体离心率误差和PGT中的复合轮裂的联合影响.
- 模拟显示,在网格特征和动态反应中,复合故障特征明显不同.
- 实验结果验证了关于复合故障对振动响应的影响的模拟结果.
结论:
- 载体偏心误差和轮组合故障显著影响PGT振动响应.
- 开发的动态模型和模拟方法有效地捕捉了PGT在复合故障下的行为.
- 这些发现为提高PGT复合故障诊断的准确性和可靠性提供了宝贵的见解.
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