基于图像检测的发动机缸体探伤系统设计及应用  

Research on Aircraft Engine Cylinder Testing Using Image Detection

作　　者：范乃强[1] 伊兴国[2] 吕亚荣[3] 

机构地区：[1]西北工业大学,陕西西安710072 [2]西安应用光学研究所,陕西西安710072 [3]西安交通大学城市学院,陕西西安710072

出　　处：《计算机测量与控制》2009年第8期1479-1481,共3页Computer Measurement &Control

摘　　要：为了实现某型号航空发动机缸体的自动化检测,设计了一套全自动荧光磁粉探伤系统。介绍了系统的结构和实现方式、重点介绍了图像采集和图像处理部分,系统采用Laplacian算子对原始图像进行锐化处理,然后采用Prewitt算子进行边缘提取,最后采用面积和周长两个物理量作为判断产品合格与否的特征值;实际测量显示,系统的测量精度可达0.01 mm,满足发动机缸体检测的要求。For testing the aircraft engine cylinder, a set of automatic fluorescent magnetic particle testing system was designed. The structure and implementation ways of the system was designed, especially the image acquisition and processing part. Template Laplacian was used to sharpen the original image, template Prewitt was used for edge extraction, at last, area and perimeter were used as the characteristic value to judge if the workpiece could be accepted. Practical testing showed that the testing resolution was as high as 0.01 mm, and could meet the testing requirement totally.

关 键 词：图像检测 图像处理 机器视觉 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]