A model-based diagnostic methodology is proposed for the dimensional fault diagnosis of compliant beam structures in automotive or aerospace assembly processes. In the diagnosis procedure, the product measurement data are used to detect and isolate dimensional faults caused by part fabrication error in compliant beam assemblies. The proposed method includes a predetermined fault patterns model and a fault mapping procedure. The fault patterns are modeled by the diagnostic vectors derived from the inversed stiffness matrix of the beam structure. The fault mapping 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]
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November 2000
Technical Papers
Dimensional Fault Diagnosis for Compliant Beam Structure Assemblies
Q. Rong,
Q. Rong
General Electric Corp., Cleveland, OH 44112
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D. Ceglarek,
D. Ceglarek
Dept. of Industrial Engineering, The University of Wisconsin—Madison, Madison, WI 53706-1572
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J. Shi
J. Shi
Dept. of Industrial and Operations Engineering, The University of Michigan, Ann Arbor, MI 48109
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Q. Rong
General Electric Corp., Cleveland, OH 44112
D. Ceglarek
Dept. of Industrial Engineering, The University of Wisconsin—Madison, Madison, WI 53706-1572
J. Shi
Dept. of Industrial and Operations Engineering, The University of Michigan, Ann Arbor, MI 48109
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received July 1998; revised Oct. 1999. Associate Technical Editor: E. DeMeter.
J. Manuf. Sci. Eng. Nov 2000, 122(4): 773-780 (8 pages)
Published Online: October 1, 1999
Article history
Received:
July 1, 1998
Revised:
October 1, 1999
Citation
Rong, Q., Ceglarek, D., and Shi, J. (October 1, 1999). "Dimensional Fault Diagnosis for Compliant Beam Structure Assemblies ." ASME. J. Manuf. Sci. Eng. November 2000; 122(4): 773–780. https://doi.org/10.1115/1.1285917
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