Title :
Deterministic methodology stabilizing with SVD and fuzzy inference for crack shapes on ECT by Laplace transform BEM
Author :
Tsuchida, Y. ; Shibao, K. ; Enokizono, M.
Author_Institution :
Dept. of Electr. & Electron. Eng., Oita Univ., Japan
fDate :
5/1/1999 12:00:00 AM
Abstract :
In this paper, the deterministic methodology stabilizing with singular value decomposition (SVD) and fuzzy inference is described to solve matrices from inverse problems. Since the stability of the matrices can be known by the condition number derived from the singular value, the regularization parameter or fuzzy inference can be utilized to stabilize them properly. The proposed method is applied to crack shape identification on an eddy current testing (ECT) and the effectiveness of it is discussed
Keywords :
Laplace transforms; boundary-elements methods; crack detection; eddy current testing; fuzzy logic; inference mechanisms; inverse problems; matrix algebra; numerical stability; singular value decomposition; Laplace transform BEM; crack shape identification; deterministic methodology; eddy current testing; fuzzy inference; matrices solution; regularization parameter; singular value; singular value decomposition; stabilisation; Boundary element methods; Electrical capacitance tomography; Fuzzy sets; Integral equations; Inverse problems; Laplace equations; Matrix decomposition; Shape; Singular value decomposition; Stability;
Journal_Title :
Magnetics, IEEE Transactions on
