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多通道钢丝绳的漏磁检测信号融合方法

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分析了现有钢丝绳漏磁检测系统中存在的损伤信号幅值较小、前端多个磁敏元件处理方式较为简单等问题,提出了一种钢丝绳漏磁检测系统中的多通道信号融合方法.首先从磁敏元件阵列的角度出发,提出了多种磁敏元件阵列方式;其次从信号处理模拟电路的角度出发,设计了多通道信号融合硬件电路;最后,针对钢丝绳进行了实际测试,验证了此方法的可行性.
Multi-channel signal fusion method for magnetic leakage detection of steel wire ropes
This paper analyzed some problems in the existing magnetic leakage detection system of steel wire ropes,such as the small amplitude of the damage signal and the relatively simple processing method of multiple magnetic sensitive components at the front end,and in response to these problems,a multi-channel signal fusion method in the magnetic leakage detection system of steel wire ropes was proposed.First,from the perspective of magnetic sensor arrays,a variety of magnetic sensor array methods were proposed.Secondly,from the perspective of signal processing analog circuits,a multi-channel signal fusion hardware circuit was designed.Finally,actual tests were conducted on steel wire ropes to verify the feasibility of this method.

steel wire ropemagnetic flux leakage detectionmagnetic sensor arraymulti-channel signal fusionadder circuit

关益辉、孙燕华、高尚磊、张义军

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华中科技大学机械科学与工程学院,武汉 430074

中海石油技术检测有限公司,天津 300452

交通运输部长江航务管理局,武汉 430014

钢丝绳 漏磁检测 磁敏元件阵列 多通道信号融合 加法电路

国家自然科学基金交通部纵向项目国家重点研发纵向项目中海石油项目

52275532SXHXGZ-2021-22021YFF0501000ZX2022ZCZBF0937

2024

无损检测
中国机械工程学会 上海材料研究所

无损检测

CSTPCD
影响因子:0.558
ISSN:1000-6656
年,卷(期):2024.46(5)
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