On the multivariate progressive control chart for effective monitoring of covariance matrix.
Jimoh Olawale AjadiKevin HungMuhammad RiazNurudeen Ayobami AjadiTahir MahmoodPublished in: Qual. Reliab. Eng. Int. (2021)
Keyphrases
- covariance matrix
- control charts
- multivariate normal
- covariance matrices
- statistical process control
- multivariate gaussian
- principal component analysis
- sample size
- positive definite
- mahalanobis distance
- real time
- correlation matrix
- gaussian mixture
- symmetric matrix
- objective function
- eigendecomposition
- parallel algorithm
- abnormal patterns
- evolutionary algorithm