Research on a Fault Feature Extraction Method for an Electric Multiple Unit Axle-Box Bearing Based on a Resonance-Based Sparse Signal Decomposition and Variational Mode Decomposition Method Based on the Sparrow Search Algorithm.
Jiandong QiuQiang ZhangMinan TangDingqiang LinJiaxuan LiuShusheng XuPublished in: Sensors (2024)
Keyphrases
- decomposition method
- search algorithm
- decomposition algorithm
- tree decomposition
- decomposition methods
- signal recovery
- compressive sensing
- shape decomposition
- search space
- fault detection
- spatially localized
- fault diagnosis
- heuristic search
- qr decomposition
- compressed sensing
- image restoration
- signal processing
- high dimensional