Semi-supervised data modeling and analytics in the process industry: Current research status and challenges

Z Ge - IFAC Journal of systems and control, 2021 - Elsevier
Semi-supervised data are quite common in the process industry, which has caught much
attention in recent years. The semi-supervised feature of process data not only has a great …

The measurement principles, working parameters and configurations of voltammetric electronic tongues and its applications for foodstuff analysis

Z Wei, Y Yang, J Wang, W Zhang, Q Ren - Journal of food engineering, 2018 - Elsevier
Voltammetric electronic tongue (VE-tongue) is a promising technology for advanced sensing
and measurement applications. The review examines the measurement principles, working …

Weighted linear dynamic system for feature representation and soft sensor application in nonlinear dynamic industrial processes

X Yuan, Y Wang, C Yang, Z Ge… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Industrial process plants are instrumented with a large number of redundant sensors and the
measured variables are often contaminated by random noises. Thus, it is significant to …

Variational autoencoders for missing data imputation with application to a simulated milling circuit

JT McCoy, S Kroon, L Auret - IFAC-PapersOnLine, 2018 - Elsevier
Missing data values and differing sampling rates, particularly for important parameters such
as particle size and stream composition, are a common problem in minerals processing …

A deep learning just-in-time modeling approach for soft sensor based on variational autoencoder

F Guo, R Xie, B Huang - Chemometrics and Intelligent Laboratory Systems, 2020 - Elsevier
This paper presents a variational autoencoder-based just-in-time (JIT) learning framework
for soft sensor modeling. Just-in-Time learning is often applied for soft sensor modeling in …

Missing data imputation and sensor self-validation towards a sustainable operation of wastewater treatment plants via deep variational residual autoencoders

AH Ba-Alawi, J Loy-Benitez, SY Kim, CK Yoo - Chemosphere, 2022 - Elsevier
Missing data imputation and automatic fault detection of wastewater treatment plant (WWTP)
sensors are crucial for energy conservation and environmental protection. Given the …

Semi-supervised ensemble support vector regression based soft sensor for key quality variable estimation of nonlinear industrial processes with limited labeled data

Z Li, H Jin, S Dong, B Qian, B Yang, X Chen - … Engineering Research and …, 2022 - Elsevier
Soft sensor technique has become a promising solution to enable real-time estimations of
difficult-to-measure quality variables in industrial processes. However, traditional soft sensor …

ConvLSTM and self-attention aided canonical correlation analysis for multioutput soft sensor modeling

X Zhu, SK Damarla, K Hao, B Huang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The polymerization process produces industrially important products; hence, its monitoring
and control are of paramount importance. However, the nonavailability of real-time (on …

Evolutionary optimization based pseudo labeling for semi-supervised soft sensor development of industrial processes

H Jin, Z Li, X Chen, B Qian, B Yang, J Yang - Chemical Engineering …, 2021 - Elsevier
Data-based soft sensors have been widely applied in industrial processes for enabling
online prediction of difficult-to-measure variables. However, there exists a common …

A just-in-time modeling approach for multimode soft sensor based on Gaussian mixture variational autoencoder

F Guo, B Wei, B Huang - Computers & Chemical Engineering, 2021 - Elsevier
Industrial data are often high-dimensional, nonlinear and multiple-modal. This paper
develops a soft sensor model based on Gaussian mixture Variational Autoencoder (GMVAE) …