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Keywords: principal component analysis
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. July 2022, 144(7): 071006.
Paper No: MANU-21-1315
Published Online: December 8, 2021
...-of-the-art classifiers such as artificial neural networks, support vector machines, and random forests are implemented and compared for handling multi-fault diagnosis using programmable logic controller signal data. For unsupervised learning, classifiers based on principal component analysis utilizing major...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2022, 144(6): 061008.
Paper No: MANU-21-1317
Published Online: December 3, 2021
... (CAE) for unsupervised feature extraction. A multiclass extension for semi-supervised anomaly diagnosis is proposed that utilizes principal component analysis (PCA) as the basis for anomaly scoring, and the proposed approach intersects the results of targeted one-against-all phases on partially labeled...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. June 2013, 135(3): 031008.
Paper No: MANU-12-1126
Published Online: May 24, 2012
... + . . . . . . + a 1 p 2 = 1 Principal component analysis (see for example Jolliffe [ 11 ] for a good review of this technique), is an extensively used technique in multivariate linear data analysis. The purpose of it is to reduce the dimensionality of the data but still maintain its variability...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2010, 132(5): 051010.
Published Online: October 4, 2010
...-by-station test in a forging process. Afterwards, the principal component analysis is conducted on the segmented tonnage signals to generate the principal component (PC) features to be selected for designing the classifier. Finally, the optimal selection of PC features is integrated with the design...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2008, 130(1): 011014.
Published Online: February 15, 2008
... using principal component analysis (PCA) to project measurement data onto the axes of an affine space formed by the predetermined fault patterns. Orthogonal diagonalization allows estimating the statistical significance of the root cause of the identified fault. A case study of fault diagnosis...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Manuf. Sci. Eng. November 2006, 128(4): 1019–1024.
Published Online: February 3, 2006
... and principal components regression approaches. Also, we present a quantitative measure, shaft misalignment monitoring index, which can be used to facilitate easy identification of the alignment condition and as input to maintenance systems design. Principal component analysis is used to reduce...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. May 2005, 127(2): 358–368.
Published Online: April 25, 2005
...Y. G. Liu; S. J. Hu A new approach to fixture fault diagnosis, designated component analysis (DCA), is proposed for automotive body assembly systems using multivariate statistical analysis. Instead of estimating the fault patterns solely from the process data as in principal component analysis (PCA...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. May 2004, 126(2): 355–360.
Published Online: July 8, 2004
... deformation and springback. This paper discusses the effect of geometric covariance in the calculation of assembly variation of compliant parts. A new method is proposed for predicting compliant assembly variation using the component geometric covariance. It combines the use of principal component analysis...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. February 2004, 126(1): 91–97.
Published Online: March 18, 2004
... ( 2 ), pp. 139 – 154 . Hu , S. J. , and Wu , S. M. , 1992 , “ Identifying Sources of Variation in Automobile Body Assembly Using Principal Component Analysis ,” Transactions of NAMRI/SME , XX , pp. 311 – 316 . Ceglarek , D. , and Shi , J. , 1996 , “ Fixture Failure...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. May 2002, 124(2): 313–322.
Published Online: April 29, 2002
... 500 samples generated by the VSA 14 . The principal component analysis is performed to get the eigenvalue/eigenvector pairs. The first eigenvalue/eigenvector pair is λ 1 = 0.6011 (30) γ 1 = [ 0.2302 − 0.0713 0.2178 − 0.4484 − 0.4054 − 0.5858 − 0.4230 0.0736...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2001, 123(3): 453–461.
Published Online: March 1, 2000
... on a two-step assembly model and multivariate statistical techniques such as principal component analysis (PCA). The conclusions are summarized in Section 6. This paper proposes a new approach for the diagnosis of multiple faults in ill-conditioned systems. An adjusted LS approach is developed based...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2000, 122(4): 773–780.
Published Online: October 1, 1999
... procedure combines principal component analysis (PCA) of measurement data and fault pattern recognition using statistical hypothesis tests. Verification of the proposed method is presented through simulations and one case study. [S1087-1357(00)02502-8] The developed methodology allows the identification...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. May 2000, 122(2): 360–369.
Published Online: June 1, 1999
... variable interactions by using a fractional factorial design of experiments (DOE). In this methodology, features are extracted by using principal component analysis (PCA) to represent variation patterns of tonnage signals. Regression analyses are performed to model the relationship between features...