Nonconvex Group Sparsity Signal Decomposition via Convex Optimization for Bearing Fault Diagnosis.
Weiguo HuangNing LiIvan W. SelesnickJuanjuan ShiJun WangLei MaoXingxing JiangZhongkui ZhuPublished in: IEEE Trans. Instrum. Meas. (2020)
Keyphrases
- 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