Mechanical fault diagnosis of rolling bearing based on locality-constrained sparse coding.
Yang LiShuhui BuZhenbao LiuChao ZhangPublished in: ICPHM (2015)
Keyphrases
- sparse coding
- monitoring and fault diagnosis
- fault diagnosis
- dictionary learning
- natural images
- sparse representation
- image classification
- unsupervised learning
- fault detection
- linear combination
- neural network
- expert systems
- generative model
- image representation
- feature space
- chemical process
- high dimensional
- fuzzy logic
- operating conditions
- image patches
- multiple faults
- multiscale
- visual words
- data sets
- higher order
- pattern recognition
- image features
- vibration signal
- co occurrence