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Nonconvex Group Sparsity Signal Decomposition via Convex Optimization for Bearing Fault Diagnosis.
Weiguo Huang
Ning Li
Ivan W. Selesnick
Juanjuan Shi
Jun Wang
Lei Mao
Xingxing Jiang
Zhongkui Zhu
Published in:
IEEE Trans. Instrum. Meas. (2020)
Keyphrases
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convex optimization
fault diagnosis
group sparsity
low rank
monitoring and fault diagnosis
structured sparsity
convex optimization problems
vibration signal
compressive sensing
wavelet packet
expert systems
neural network
interior point methods
primal dual
total variation
sparse coding
signal processing
fuzzy logic
denoising
group lasso
linear combination
convex relaxation