Affiliation:
1. Department of Manufacturing Engineering and Operations Management, University of Nottingham
Abstract
Moiré contouring is a technique that enables the surface topography of an object to be measured in a single view and has a wide range of potential applications in manufacturing. However, to be useful, it is necessary to be able to calibrate the system and establish the traceability of the calibration. In this paper, the factors that determine the accuracy of the technique are identified, methods of calibration proposed and attainable accuracies estimated. These include the optical magnification, phase measurement and sensitivity, all of which contribute to measurement errors in the technique. The methods are illustrated with results from a digital moiré system, and the improvements required to obtain maximum accuracy are outlined.
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering
Reference11 articles.
1. Real time contour line visualization of an object
2. Recording the shape of animals by a moire method
3. Hovanesian J. D., Hung Y. Y., Waidelich W. Moiré contouring of large objects by a scanning technique. Proceedings of Laser ‘77 Optoelectronics, Munich, 1977, pp. 589–597.
4. Scanning moiré method and automatic measurement of 3-D shapes
5. Chan D. P. K., Phase-locked moiré fringe analysis for scoliosis detection. Proceedings of International Symposium on Moiré fringe topography and spinal deformity, 1981, pp. 58–67 (Pergamon Press, New York).
Cited by
4 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献