Study on Undecided Steps Technique of the Improved Measurement System for Phase-shifting Profilometry
ZHOU Ming-an1,XU Jian-liang1,FANG Xiao-fen1,2
1. School of Mechanical Engineering, Quzhou College of Technology, Quzhou, Zhejiang 324000, China
2. Institute of Advanced Manufacturing Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
Abstract：Phase-shifting profilometry of the improved measurement system is proposed. The proposed system makes the three constraints of the traditional phase-shifting profilometry measurement system less stringent, and reduces requirements of the structure for the system. Compared with traditional phase profile measurement technology, phase-shifting does not need to be equal, and the method can only two distorted grating images which reconstruct 3-D shape. Through theoretical analysis, the mathematical relationship between the phase and the height is given. Experiments show that on the premise of the measurement accuracy can be satisfied, the structure is less demanding for the accuracy of the system, and the improved measurement system is faster and more practical.
周明安,徐建亮,方晓汾. 基于改进测量系统的非定步距相位轮廓测量技术研究[J]. 计量学报, 2016, 37(2): 128-132.
ZHOU Ming-an,XU Jian-liang,FANG Xiao-fen. Study on Undecided Steps Technique of the Improved Measurement System for Phase-shifting Profilometry. Acta Metrologica Sinica, 2016, 37(2): 128-132.
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2016, Vol. 37 
