CIOMP OpenIR  > 中科院长春光机所知识产出
Optimized dwell time algorithm in magnetorheological finishing
Li, L. X.; L. G. Zheng; W. J. Deng; X. Wang; X. K. Wang; B. Z. Zhang; Y. Bai; H. X. Hu and X. J. Zhang
2015
Source PublicationInternational Journal of Advanced Manufacturing Technology
Volume81Issue:5-8Pages:833-841
AbstractAn optimized dwell time algorithm for magnetorheological finishing (MRF) is discussed. Based on the D-shape of the removal function of MRF, an optimized non-negative least-squares method is introduced to get dwell time from a linear matrix equation transferred from the de-convolution operation. Moreover, one kind of general surface error map extension is developed for any shape of optics to obtain a more precise optical surface in MRF. The simulation results show that the non-negative least-squares method of the constrained generalized minimal residual (GMRES) method with adaptive Tikhonov regulation is much faster to get highly stable dwell time distribution. In combination with the general surface error map extension, the peak to valley (PV) and root mean square (RMS) of the surface error of the diameter 400 mm converge from 184.41 and 21.26 nm to 7.56 and 0.632 nm with the consistency of the edge and the aperture inside. Finally, a fabricating experiment proves the validity of the optimized algorithm. Therefore, the algorithm developed and presented in this paper can facilitate the MRF process effectively.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/55312
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Li, L. X.,L. G. Zheng,W. J. Deng,et al. Optimized dwell time algorithm in magnetorheological finishing[J]. International Journal of Advanced Manufacturing Technology,2015,81(5-8):833-841.
APA Li, L. X..,L. G. Zheng.,W. J. Deng.,X. Wang.,X. K. Wang.,...&H. X. Hu and X. J. Zhang.(2015).Optimized dwell time algorithm in magnetorheological finishing.International Journal of Advanced Manufacturing Technology,81(5-8),833-841.
MLA Li, L. X.,et al."Optimized dwell time algorithm in magnetorheological finishing".International Journal of Advanced Manufacturing Technology 81.5-8(2015):833-841.
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