发动机叶片微缺陷自动检测系统的设计  

Design of automatic detection system for micro defects in engine blade

作　　者：华泽锋 潘孟春[1] 陈棣湘[1] 周卫红 刘丽辉 HUA Zefeng;PAN Mengchun;CHEN Dixiang;ZHOU Weihong;LIU Lihui(College of Intelligence Sicence,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学智能科学学院,湖南长沙410073

出　　处：《中国测试》2021年第10期109-113,共5页China Measurement & Test

基　　金：国家自然科学基金(61171134)。

摘　　要：针对传统无损检测劳动强度大、可靠性与一致性较低的问题,设计一套基于柔性电磁传感器和运动控制平台的发动机叶片微缺陷自动检测系统。该系统由传感器及信号检测电路、多自由度运动平台和计算机三部分组成,配合相应的自动化检测软件,能够实现扫查路径设置、传感器探头自动扫查、检测数据预处理和微缺陷成像等功能。测试结果表明:该系统能够对发动机叶片进行自动化检测,可靠性高,成像效果好,检测误差不超过0.2 mm。In order to solve the problems of high labor intensity,low reliability and consistency in traditional nondestructive testing a set of automatic detection system for engine blade micro defects based on flexible electromagnetic sensor and motion control platform is designed.The system consists of sensor,front-end circuit,multi degree of freedom motion platform and computer.With the corresponding automatic detection software,it can realize scanning path setting,sensor probe automatic scanning,detection data preprocessing and micro defect imaging.The test results show that the system can automatically detect the engine blades with high reliability,good imaging effect and detection error is less than 0.2 mm.

关 键 词：柔性电磁传感器 自动检测 发动机叶片 可视化 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] V263.6[自动化与计算机技术—控制科学与工程]