Indexed by:期刊论文
Date of Publication:2014-01-10
Journal:实验力学
Included Journals:PKU、ISTIC、CSCD
Volume:29
Issue:4
Page Number:407-416
ISSN No.:1001-4888
Key Words:非线性相位误差补偿;反相法;条纹投影形貌测量
Abstract:在理论分析伽马非线性引起相位误差的基础上,本文提出一种新的反相条纹投影形貌测量方法,能补偿条纹投影法中非线性误差的影响.若相机和投影仪存在二阶和三阶伽马非线性残余,会造成四步相移法产生四倍频的非线性相位误差.通过预先引入偏移相位π/4到四步相移法中,使其对应的非线性相位误差发生变号,这样偏移前后的测量相位相加即可补偿非线性误差的影响.针对四步相移法,仿真模拟和实验结果显示出非线性相位误差的频率始终是条纹频率四倍,验证了反相条纹投影方法的可行性和适用性,与常规方法相比,具有更高的测量精度.
Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Gender:Male
Alma Mater:Dalian University of Technology (DUT)
Degree:Doctoral Degree
School/Department:State Key Laboratory of Industrial Equipment for Structral Analysis, Department of Engineering Mechanics
Discipline:Solid Mechanics. Applied and Experimental Mechanics. Engineering Mechanics. Mechanical Manufacture and Automation. Vehicle Engineering. Aerospace Mechanics and Engineering. mechanics of manufacturing process
Business Address:Room 321, Department of Engineering Mechanics
Contact Information:Tel.: 86 0411-84708406 Email: leizk@dlut.edu.cn
Open time:..
The Last Update Time:..
