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- W2367125933 abstract "The traditional BP model for online predicting grinding surface roughness has some shortcomings such as low prediction accuracy,big error.Three-layer BP neural network is established through RMS,FFT peak,standard deviation,variance and skew of acoustic emission signal.Methods of additional momentum and self-adapting learning rate are employed to modify the model.Amount of hidden layer unit is optimized through emulation.AE signal between 300 kHz and 400 kHz is selected as learning patterns frequency through optimization among 10 frequencies by the model.Results show that modified BP model has the merits of faster convergence rate and higher forecast precision than that of traditional BP model.And its relative error is less than 8.66%." @default.
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- W2367125933 date "2009-01-01" @default.
- W2367125933 modified "2023-09-23" @default.
- W2367125933 title "Prediction of Grinding Surface Roughness with Acoustic Emission Signal and Modified BP Neural Network" @default.
- W2367125933 hasPublicationYear "2009" @default.
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