Data-driven soft sensors in the process industry

P Kadlec, B Gabrys, S Strandt - Computers & chemical engineering, 2009 - Elsevier
In the last two decades Soft Sensors established themselves as a valuable alternative to the
traditional means for the acquisition of critical process variables, process monitoring and …

A review on soft sensors for monitoring, control, and optimization of industrial processes

Y Jiang, S Yin, J Dong, O Kaynak - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
Over the past twenty years, numerous research outcomes have been published, related to
the design and implementation of soft sensors. In modern industrial processes, various types …

Data-driven soft sensor approach for online quality prediction using state dependent parameter models

B Bidar, J Sadeghi, F Shahraki… - … and Intelligent Laboratory …, 2017 - Elsevier
The goal of this paper is to design and implementation of a new data-driven soft sensor that
uses state dependent parameter (SDP) models to improve product quality monitoring. The …

A systematic approach for soft sensor development

B Lin, B Recke, JKH Knudsen, SB Jørgensen - Computers & chemical …, 2007 - Elsevier
This paper presents a systematic approach based on robust statistical techniques for
development of a data-driven soft sensor, which is an important component of the process …

Classification of the degradation of soft sensor models and discussion on adaptive models

H Kaneko, K Funatsu - AIChE Journal, 2013 - Wiley Online Library
Soft sensors are used widely to estimate a process variable which is difficult to measure
online. One of the crucial difficulties of soft sensors is that predictive accuracy drops due to …

Comparison of variable selection methods for PLS-based soft sensor modeling

ZX Wang, QP He, J Wang - Journal of Process Control, 2015 - Elsevier
Data-driven soft sensors have been widely used in both academic research and industrial
applications for predicting hard-to-measure variables or replacing physical sensors to …

Dealing with irregular data in soft sensors: Bayesian method and comparative study

S Khatibisepehr, B Huang - Industrial & Engineering Chemistry …, 2008 - ACS Publications
The main challenge in developing soft sensors in process industry is the existence of
irregularity of data, such as measurement noises, outliers, and missing data. This paper is …

[HTML][HTML] The role of artificial intelligence-driven soft sensors in advanced sustainable process industries: A critical review

YS Perera, D Ratnaweera, CH Dasanayaka… - … Applications of Artificial …, 2023 - Elsevier
With the predicted depletion of natural resources and alarming environmental issues,
sustainable development has become a popular as well as a much-needed concept in …

Semisupervised Bayesian method for soft sensor modeling with unlabeled data samples

Z Ge, Z Song - AIChE Journal, 2011 - Wiley Online Library
Most traditional soft sensors are built upon the labeled dataset that contains equal numbers
of input and output data samples. However, the output variables that correspond to quality …

Just-in-time based soft sensors for process industries: A status report and recommendations

WS Yeo, A Saptoro, P Kumar, M Kano - Journal of Process Control, 2023 - Elsevier
Soft sensors are mathematical models employed to estimate hard-to-measure variables from
available easy-to-measure variables. These sensors are typically developed using either …