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Total projection to latent structures (T-PLS) has been used for quality-related process monitoring. Compared to PLS, the T-PLS is more effectively in detecting the quality-related abnormal situations for linear and static processes. To describe the nonlinear and dynamic process characteristics, a new monitoring approach, dynamic total kernel projection to latent structures (DT-KPLS), is proposed in...
Due to process disturbances and some uncertainties, the process operating performance will deviate from the optimal operating point along with time, so it is very important to develop strategies for online operating performance assessment on optimality. However, a little work has been published in this research area to our knowledge. In this study, a new online operating optimality assessment method...
Fault detection and diagnosis based on multivariate statistical way is a hotspot in recent years. According to the nonlinear property of Continuous Annealing Line, this article developes a nonlinear ICA, which combined the predominance of ICA and reproducing kernel Hilbert space, to monitor process. This method has better statistical attribute than traditional ICA algorithm based on maximum negentropy,...
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