Application of Wavelet De-noising in Vibration Torque Measurement
For vibration torque is the key to the rotation system state inspection and fault analysis, a vibration torque test is implemented for no slot rotor three-phase asynchronous when under no load condition. While the vibration torque signal is annihilated by lots of noise, a de-noising scheme based on wavelet transform is constructed. The actual signal is decomposed with wavelet Sym8, then processed by half soft threshold, and reconstructed signal finally. Simulation results indicated that the method can get rid of most of the high frequency noise, recover the factuality and improve the fitting and generalization capability of the data, and de-noising effect is far better than the traditional fast flourier transformation.
Keywords: Grating, Angular Acceleration, FPGA, Speed-feed
Download Full-Text
ABOUT THE AUTHOR
Hao Zhao
Mr. Zhao received the master degree in control theory and control engineering from Zhejiang University of Technology in 2010. he is engaged in the research work of motor and its testing.
Hao Zhao
Mr. Zhao received the master degree in control theory and control engineering from Zhejiang University of Technology in 2010. he is engaged in the research work of motor and its testing.
