A hybrid denoising method for gyroscopes based on multiple screening

• Autorzy: Rong, Hailong , Jin, Tianlei , Wang, Hao , Wu, Xiaohui , Zou, Ling
• Języki publikacji: EN

Abstrakty

EN

To reduce the random error of microelectromechanical system (MEMS) gyroscope, a hybrid method combining improved empirical mode decomposition (EMD) and least squares algorithm (LS) is proposed. Firstly, based on the multiple screening mechanism, intrinsic mode functions (IMFs) from the first decomposition are divided into noise IMFs, strong noise mixed IMFs, weak noise mixed IMFs and signal IMFs. Secondly, according to their characteristics, they are processed again. IMFs from the second decomposition are divided into noise IMFs and signal IMFs. Finally, useful signal is gathered to obtain the final denoising signal. Compared with some other denoising methods proposed in recent years, the experimental results show that the proposed method has obvious advantages in suppressing random error, greatly improving the signal quality and improving the accuracy of inertial navigation.

Słowa kluczowe

EN

micro electromechanical system; multiple screening mechanism; empirical mode decomposition

• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2023
• Tom: Vol. 30, nr 4
• Strony: 755--772
• Opis fizyczny: Bibliogr. 22 poz., rys., tab., wykr., wzory

Twórcy

autor

Rong, Hailong

• Changzhou University, Changzhou 213164, China,

autor

Jin, Tianlei

• Changzhou University, Changzhou 213164, China,

autor

Wang, Hao

• Changzhou University, Changzhou 213164, China,

autor

Wu, Xiaohui

• Changzhou University, Changzhou 213164, China,

autor

Zou, Ling

• Changzhou University, Changzhou 213164, China,

Bibliografia

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Identyfikatory

DOI

10.24425/mms.2023.147962