烟草科技2026，Vol.59Issue(6)：52-63,12.DOI:10.16135/j.issn1002-0861.2025.0479
基于机器视觉的振动筛分设备振动参数原位检测系统设计
Design of an in-situ detection system for vibration parameters of vibrating screening equipment based on machine vision
摘要
Abstract
To achieve accurate real-time detection of vibration parameters of vibrating screening equipment,an in-situ measurement system based on machine vision was designed.The system integrated a ring light source,infrared filter,and autofocus module,and employed a high-speed area array industrial camera for high-resolution image acquisition,improving the imaging quality of the detection system in low-light and low-contrast environments.Adoption of calibration algorithm based on corner detection improved the efficiency of the camera calibration process.A multi-scale image process enabled sub-pixel localization of feature marker extraction at a low computational complexity.A single-cycle curve fitting method based on spline interpolation was proposed for fast real-time vibration parameter acquisition and data processing.The results showed that:1)With measuring distance less than 0.8 m,the system achieved a scale factor lower than 0.12 mm/px.2)The proposed calibration,feature point extraction and curve fitting algorithms improved computational efficiency by over 50%compared to conventional methods.3)The proposed single period curve fitting method based on spline interpolation had a maximum error of 0.06 mm for peak-to-peak values and 0.35 r/min for frequency,representing reductions of 33.33%and 58.82%respectively compared with those of multiple period curve fitting methods,meeting the performance requirements of vibration parameter detection instruments specified in the tobacco industry standards.This system enables accurate online detection of the vibration parameters for vibration screening equipment,meeting the in-situ detection requirements of vibration parameters for cut tobacco and tobacco strip size.关键词
振动筛分设备/振动参数/机器视觉/特征标记点定位/曲线拟合/原位检测Key words
Vibrating screening equipment/Vibration parameters/Machine vision/Feature marker positioning/Curve fitting/In-situ detection分类
轻工纺织引用本文复制引用
宁英豪,杨荣超,曾波,黄华,张鑫盛,崔廷,王国萍,张鹏飞,赵春元,肖一博,张万程,周炜..基于机器视觉的振动筛分设备振动参数原位检测系统设计[J].烟草科技,2026,59(6):52-63,12.基金项目
郑州烟草研究院创新专项资助"多层振动筛分过程解析及关键参数原位检测与计量溯源技术研究"(702023CR0040) （702023CR0040）
浙江中烟工业有限责任公司科技项目"振动筛分设备筛分效率数字化评价与智能保障技术研究"(ZJZY2025D010). （ZJZY2025D010）
