基于速度和位移的非静止条件下的单传感器旋转叶片监控方法
Zifang Bian1, Yongmin Yang1, Fengjiao Guan1
1College of Intelligence Science and Technology, National University of Defense Technology, China; National Key Laboratory of Equipment State Sensing and Smart Support, National University of Defense Technology, Changsha 410073, China.
一种新的单一传感器技术在非静止条件下精确监测旋转刀片的振动. 这种方法为振动分析的多传感器方法提供了一种成本效益高且更简单的替代方案.
科学领域:
- 机械工程 机械工程
- 振动分析 振动分析
- 传感器技术 传感器技术
背景情况:
- 旋转机械,如轮机和压缩机,在许多行业中至关重要.
- 监测刀片振动对于确保操作安全和效率至关重要.
- 现有的多传感器振动监测方法可能是复杂和昂贵的.
研究的目的:
- 引入一种新的单传感器方法来监测旋转刀片的振动.
- 在非静止条件下使用单个传感器识别振动参数.
- 为传统的多传感器系统提供成本效益高且简单的替代方案.
主要方法:
- 对脉冲信号波形的分析,以提取叶片尖位移和振动速度.
- 对非静止条件的运动方程的开发,以建立理论基础.
- 优化技术的应用,以精确提取振动参数.
主要成果:
- 单传感器方法显示出高精度,自然频率的相对误差不超过0.1%.
- 实验验证显示,其他振动参数的误差小于8%.
- 与多传感器技术相比,拟议的方法可降低安装复杂性,降低设备成本,减少传感器要求.
结论:
- 这种新的单传感器方法对于在非静止条件下监测旋转叶片振动是有效和强大的.
- 这种方法在成本,安装和传感器管理方面具有显著的优势.
- 这些发现支持采用这种技术来改进旋转机械的诊断.
更多相关视频
06:45Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
Published on: October 28, 2022
11:51Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
Published on: February 22, 2018
相关概念视频
Relative Motion Analysis using Rotating Axes-Problem Solving
Here, in order to determine the magnitude of velocity and acceleration for point...
Relative Motion Analysis using Rotating Axes
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
Relative Motion Analysis - Velocity
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
Relative Motion Analysis using Rotating Axes - Acceleration
Time differentiation is...
Relative Motion Analysis - Acceleration
Angular Velocity and Displacement
