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介绍了冷轧带钢表面缺陷检测技术的现状、开发新检测装置的目的和要求及最近开发成功的在线智能检测仪表的原理、装置构成等。同时，对缺陷的自动分类方法、神经网络分类器和用于对带钢质量进行自动分级的专家系统做了简要介绍。
This paper introduces the status quo of surface defect detection technology of cold rolled strip, the purpose and requirements of developing new test equipment and the principle and device constitution of the recently developed online intelligent test instrument. At the same time, the methods of automatic classification of defects, neural network classifier and expert system for automatic classification of strip quality are briefly introduced.