贾振元

个人信息Personal Information

教授

博士生导师

硕士生导师

主要任职:校长、党委副书记

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:机械工程学院

电子邮箱:jzyxy@dlut.edu.cn

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大型锻件尺寸在线测量系统研究

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论文类型:期刊论文

发表时间:2022-06-29

发表刊物:压电与声光

所属单位:机械工程学院

期号:5

页面范围:831-836

ISSN号:1004-2474

摘要:In order to realize the real-time measurement of dimension for hot heavy forging, based on the analysis of forging production requirements and environment, a real-time measurement system of dimension for hot heavy forging is fabricated. The projected target is employed to realize the camera calibration based on the active vision in factory. The image acquisition technology combined with the shot-pass filter and structured light projection is adopted to obtain the geometric information of the forging effectively. The sub-pixel extraction algorithm and the structure light-coding technology are used to extract, match and reconstruct the characteristic points. Measurement results show that the real-time measurement system of dimension for hot heavy forging works well in the forging workshop and the measurement precision is 0.741%, which is accurate enough to meet the production needs.

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