[1]孙兆光.农田水利设备中抽水泵机械振动故障检测方法[J].机械与电子,2022,(08):66-70.
　SUN Zhaoguang.Detection Method of Mechanical Vibration Fault of Pumping Pump in Farmland Water Conservancy Equipment[J].Machinery & Electronics,2022,(08):66-70.
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农田水利设备中抽水泵机械振动故障检测方法()

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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

Title:: Detection Method of Mechanical Vibration Fault of Pumping Pump in Farmland Water Conservancy Equipment

Author(s):: SUN Zhaoguang; ( Juxian Qingfengling Reservoir Management Service Center , Juxian 276500 , China )

Keywords:: farmland water conservancy equipment ; water pump ; mechanical vibration ; fault detection ; multi-scale fuzzy entropy

摘要:: 针对抽水泵机械振动故障检测中存在的检测效果差的问题,提出一种新的农田水利设备中抽水泵机械振动故障检测方法。分析农田水利设备中抽水泵机械振动信号,提取任意时段特征频率,采用小波包多层分解滤除噪声。对不同数组统计和分析,通过多尺度模糊熵提取抽水泵机械振动故障特征;优化选择测点和特征向量,结合最小二乘支持向量机( LSSVM ),采用多层结构进行多次特征学习,区分故障特征,实现抽水泵机械振动故障检测。实验结果表明,采用所提方法可准确提取抽水泵机械振动故障信号,并且能够准确区分正常信号和故障信号,验证了该方法的可行性。

Abstract:: Aiming at the problem of poor detection effect in mechanical vibration fault detection of pumping pump , a new method for mechanical vibration fault detection of pumping pump in farmland water conservancy equipment is proposed.The mechanical vibration signal of pumping pump in farmland water conservancy equipment is analyzed , the characteristic frequency in any period is extracted , and the noise is filtered by wavelet packet multi-layer decomposition.According to the statistics and analysis of different arrays , the fault characteristics of mechanical vibration of pump are extracted by multi-scale fuzzy entropy ; optimal selection of measuring points and feature vectors , combined with least squares support vector machine( LSSVM ), multi layer structure is used for multiple feature learning to distinguish fault features , so as to realize mechanical vibration fault detection of pumping pump.The experimental results show that the proposed method can accurately extract the mechanical vibration fault signal of pumping pump , and can accurately distinguish the normal signal and fault signal , which verifies the feasibility of the method.

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备注/Memo:: 收稿日期: 2022-02-10
基金项目:中国管理科学研究院重点课题项目( ZGYGC10706 , ZGYGC10723 )
作者简介:孙兆光 ( 1970- ),男,山东莒县人,高级工程师,研究方向为水利工程。

更新日期/Last Update: 2022-10-04