Monitoring of operating point and process dynamics via probabilistic slow feature analysis

F Guo, C Shang, B Huang, K Wang, F Yang… - … and Intelligent Laboratory …, 2016 - Elsevier
… Kalman filter to the inference of slow features [12]. Second, … (AIC) to select the number of
slow features in PSFA. In addition, the … The independence between probabilistic slow features

Probabilistic slow feature analysis‐based representation learning from massive process data for soft sensor modeling

C Shang, B Huang, F Yang, D Huang - AIChE Journal, 2015 - Wiley Online Library
slow features (SFs) as temporally correlated LVs are derived using probabilistic SF analysis
algorithm is proposed to estimate parameters of the probabilistic model, which turns out to be …

Probabilistic slow features for behavior analysis

L Zafeiriou, MA Nicolaou, S Zafeiriou… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
… latent feature learning technique for time-varying dynamic phenomena analysis is the so-called
slow feature analysis (SFA). SFA is a deterministic component analysis technique for …

Complex probabilistic slow feature extraction with applications in process data analytics

VK Puli, R Raveendran, B Huang - Computers & Chemical Engineering, 2021 - Elsevier
Slow feature analysis may not extract oscillating patterns when … probabilistic formulation
that extracts slow oscillatory features. … the complex probabilistic slow feature analysis (CPSFA) …

[PDF][PDF] Switching probabilistic slow feature analysis for time series data

K Tsujimoto, T Omori - International Journal of Machine Learning and …, 2020 - ijmlc.org
… , probabilistic SFA (PSFA) that extends SFA to a probabilistic … a switching probabilistic slow
feature analysis (switching PSFA… it is possible to extract slowly varying information even when …

Robust latent variable modeling using probabilistic slow feature analysis

L Fan - 2020 - era.library.ualberta.ca
… models which are based on Probabilistic Slow Feature Analysis and develop various … we
consider the identification of robust probabilistic slow feature analysis in presence of outliers. A …

Semi‐supervised dynamic latent variable modeling: I/O probabilistic slow feature analysis approach

L Fan, H Kodamana, B Huang - AIChE Journal, 2019 - Wiley Online Library
Probabilistic slow feature analysis (PSFA) is an example of such an approach that accounts
… use output information when determining the latent slow features. To address this lacunae, …

Interval-aware probabilistic slow feature analysis for irregular dynamic process monitoring with missing data

J Zheng, X Chen, C Zhao - IEEE Transactions on Systems …, 2023 - ieeexplore.ieee.org
… Therefore, this article develops an interval-aware probabilistic slow feature analysis (IA-PSFA)
method along with the corresponding monitoring strategy to address the above problems …

Assessment of process operating performance with supervised probabilistic slow feature analysis

F Chu, L Hao, C Shang, Y Liu, F Wang - Journal of Process Control, 2023 - Elsevier
… In this study, a supervised probabilistic slow feature analysis (SPSFA) is proposed to assess
… First, the slow features (SFs) are modeled in state–space form as a serial correlation feature

Continual learning-based probabilistic slow feature analysis for monitoring multimode nonstationary processes

J Zhang, D Zhou, M Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… -based probabilistic slow feature analysis, where elastic weight consolidation is employed
to consolidate the previously learned knowledge while extracting multimode slow features. …