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- W2393746105 abstract "A steam turbine fault diagnosis model, in which wavelet packet analysis and least squares support vector machine (LSSVM) are combined effectively, is proposed. The power spectrums of fault signals are decomposed by using wavelet analysis, which simplifies choosing method of fault eigenvectors. The non-sensitive loss function is replaced by quadratic loss function and the inequality constraints are replaced by equality constraints. Consequently, quadratic programming problem is simplified as the problem of solving linear equation groups. RBF function is used as kernel function, and it is proposed to choose the parameter of kernel function dynamicly, which enhances the preciseness rate of diagnosis. The simulation results show that the model has strong non-linear solution and anti-jamming ability." @default.
- W2393746105 created "2016-06-24" @default.
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- W2393746105 date "2007-01-01" @default.
- W2393746105 modified "2023-09-24" @default.
- W2393746105 title "Steam turbine fault diagnosis based on least squares support vector machine" @default.
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