基于ARM+FPGA的微小陶瓷管缺陷检测系统设计

摘要

针对微小陶瓷管难以实现微小尺寸缺陷检测问题,提出了一种基于 ARM + FPGA 的微小陶瓷管缺陷检测系统;该系统利用ARM 存储空间大、运算速度快和 FPGA 并行运算能力强、稳定性好等优势,采用小型工业摄像头 AR0134实现陶瓷管图像采集,通过FPGA 完成陶瓷管图像的预处理,借助SPI通信将预处理数据传送给 ARM STM32F4处理后,将检测结果通过以太网发送到 PC 上位机以及OLED,从而完成陶瓷管的缺陷检测;研究结果表明,该系统检测速度快,漏检率低,成本低廉,稳定性高.%A micro ceramic tube defect detection system based on ARM + FPGA is proposed to solve the problem of micro size defect detection.The system utilizes the advantages of ARM storage space,fast computing speed and strong parallel computing power and good sta-bility.The small industrial camera AR0134 is used to realize the ceramic tube image acquisition,and the ceramic tube image preprocessing is completed by FPGA.Processing data sent to the ARM STM32F4 processing,the test results sent to the PC through the Ethernet PC and OLED,to complete the ceramic tube defect detection.The results show that the system has high detection speed,low leakage rate,low cost and high stability.