Open Access

ARTICLE

Weak Fault Feature Extraction of the Rotating Machinery Using Flexible Analytic Wavelet Transform and Nonlinear Quantum Permutation Entropy

Lili Bai^1,*, Wenhui Li¹, He Ren^1,2, Feng Li¹, Tao Yan¹, Lirong Chen³

1 College of Aeronautics and Astronautics, Taiyuan University of Technology, Taiyuan, 030024, China
2 Commercial Aircraft Corporation of China, Ltd., Shanghai, 200126, China
3 College of Physics and Electronic Engineering, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, 030006, China

* Corresponding Author: Lili Bai. Email: