基于应变模式差异振动模式分析的双旋转器同步刺激矿井屏幕束损坏检测研究
Xiaohao Li1,2, Yahui Wang1, Yang Zhou1
1School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
Sensors (Basel, Switzerland)
|November 27, 2024
概括
这项研究引入了一种新的方法,用于检测采矿屏幕框架梁中的结构损伤,使用应变模态差异振动模式. 该技术有效地识别损坏的位置和严重程度,提高采矿机械的安全性.
科学领域:
- 机械工程 机械工程
- 结构健康监测 结构健康监测
- 采矿工程 采矿工程 采矿工程
背景情况:
- 采矿屏幕框架梁在采矿机械中至关重要,面临严峻的操作条件和复杂的应力.
- 这些梁的损坏可能会导致灾难性的故障,导致设备的破坏和潜在的死亡事故.
研究的目的:
- 开发一种可靠的方法来检测矿山屏幕框架梁中的结构损伤.
- 解决传统方法在识别损坏状态和位置方面的局限性.
主要方法:
- 在损坏的矿山屏幕框架梁中对振动响应的描述.
- 开发一种应变模态差异振动模式分析,用于损伤特征提取.
- 利用振动应变模态差异对小变形的灵敏度.
主要成果:
- 拟议的方法有效地识别了梁的结构损伤.
- 它可以准确地确定损坏的程度和位置.
- 通过工程应用实例证明了可行性和有效性.
结论:
- 应变模态差异振动模式分析是一种可行的技术,用于矿山屏幕框架光束损伤检测.
- 这种方法为这种特定应用提供了对传统的有限元分析和实验模式分析的改进.
- 可实现采矿机械结构完整性的加强监测.
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