This paper presents a method of applying wavelets to decompose three-dimensional surface into multiple-scale subsurfaces, and of using the subsurface features to predict surface functions and detect machining errors. The one-dimensional discrete wavelet decomposition is first introduced, and then, it is extended to decompose and analyze three-dimensional surfaces. In this study, applications of wavelets decomposition are demonstrated in several automotive case studies, including abrupt tool breakage detection, chatter detection, cylinder head sealing/mating surface leak path detection, and transmission clutch piston surface nonclean up region detection. These case studies successfully demonstrate that the proposed multiple-scale two-channel wavelet decomposition method can be served as a useful tool for surface functions prediction and machining errors detection.
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February 2012
Research Papers
Multiple-Scale Wavelet Decomposition, 3D Surface Feature Exaction and Applications
Jun Ni
Jun Ni
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J. Manuf. Sci. Eng. Feb 2012, 134(1): 011005 (13 pages)
Published Online: January 12, 2012
Article history
Received:
July 9, 2010
Revised:
October 14, 2011
Online:
January 12, 2012
Published:
January 12, 2012
Citation
Liao, Y., Stephenson, D. A., and Ni, J. (January 12, 2012). "Multiple-Scale Wavelet Decomposition, 3D Surface Feature Exaction and Applications." ASME. J. Manuf. Sci. Eng. February 2012; 134(1): 011005. https://doi.org/10.1115/1.4005352
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