A new unsupervised health index estimation method for bearings early fault detection based on Gaussian mixture model.
Long WenGuang YangLongxin HuChunsheng YangKe FengPublished in: Eng. Appl. Artif. Intell. (2024)
Keyphrases
- gaussian mixture model
- fault detection
- gaussian distribution
- em algorithm
- detection method
- data mining
- pairwise
- similarity measure
- maximum likelihood criterion
- model selection
- unsupervised learning
- expectation maximization
- statistical model
- prior knowledge
- density estimation
- feature vectors
- object recognition
- condition monitoring
- pattern recognition