基于机器视觉的液压部件划痕缺陷检测方法研究

Research on Scratch Defect Detection Method of Hydraulic Components with Machine Vision

液压部件的划痕是一种影响机械质量的缺陷,针对传统人工检测液压机械部件表面划痕的效率以及覆盖度较为低下的问题,提出了以机器视觉技术的检测方法,面对液压机械部件存在光滑表面反光的情况,设计了包含柔性散射光源和高像素工业相机的先进检测系统来增强图像采集能力,利用双滤波器对划痕缺陷进行在线检测,实验结果表明,该检测方法能够提升液压机械部件划痕缺陷检测的精度和稳定性。

The scratch of hydraulic components is a kind of defect that affects the quality of mechanical.In view of the low efficiency and low coverage of traditional manual detection of hydraulic components surface scratches,a detection method based on machine vision technology is proposed.In the case of smooth surface reflection of hydraulic components,an advanced detection method including flexible scattering light source and high pixel industrial camera is designed.The experimental results show that the method can improve the accuracy and stability of hydraulic components scratch detection.