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Proceedings Paper

A new model with the active-lap
Author(s): Yongjian Wan; Jiahu Yuan; Li Yang; Bin Fan; Yao Zhen; Zhige Zeng
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Paper Abstract

The active-lap optical manufacturing technology under computer control has many advantages in fabrication of large aspheric surface. As the lap is translated across the rotating workpiece, the lap's horizontal speed and rotation rate and the total force on the lap to the lap are dynamically controlled to reduce the residual surface error. In order to get the better convergence of the error, the material removal rate (MRR) and a new compositive strategy of lapping with the active-lap are presented. The compositive model is based on not only Preston's relation but also an adaptive fuzzy-neural algorithm, in which the adaptive part is developed to compensate the linear part through learning the feedback on the lapping process. The computer simulation and examination of lapping show good evidence of the effects of the fuzzy-neural model.

Paper Details

Date Published: 10 February 2005
PDF: 7 pages
Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005); doi: 10.1117/12.576091
Show Author Affiliations
Yongjian Wan, Institute of Optics and Electronics, CAS (China)
Jiahu Yuan, Institute of Optics and Electronics, CAS (China)
Li Yang, Institute of Optics and Electronics, CAS (China)
Bin Fan, Institute of Optics and Electronics, CAS (China)
Yao Zhen, Institute of Optics and Electronics, CAS (China)
Zhige Zeng, Institute of Optics and Electronics, CAS (China)

Published in SPIE Proceedings Vol. 5638:
Optical Design and Testing II
Yongtian Wang; Zhicheng Weng; Shenghua Ye; Jose M. Sasian, Editor(s)

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