Robust data-driven soft sensor based on iteratively weighted least squares support vector regression optimized by the cuckoo optimization algorithm

M Behnasr, H Jazayeri-Rad - Journal of Natural Gas Science and …, 2015 - Elsevier
In process industries, use of the data-driven soft sensors for the purpose of process control
and monitoring has gained much popularity. Data-driven soft sensors infer the process …

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 …

A framework and modeling method of data-driven soft sensors based on semisupervised Gaussian regression

W Yan, P Guo, Y Tian, J Gao - Industrial & Engineering Chemistry …, 2016 - ACS Publications
Soft sensors have been widely used in industrial processes to predict uneasily measured
important process variables. The core of data-driven soft sensors is to construct a soft sensor …

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 …

Smoothing-combined soft sensors for noise reduction and improvement of predictive ability

H Kaneko, K Funatsu - Industrial & Engineering Chemistry …, 2015 - ACS Publications
Soft sensors estimate values of difficult-to-measure process variables (y) from values of easy-
to-measure process variables (X). Although adaptive soft sensors have been developed to …

Soft sensor development and optimization of the commercial petrochemical plant integrating support vector regression and genetic algorithm

SK Lahiri, NM Khalfe - Chemical Industry and Chemical …, 2009 - doiserbia.nb.rs
Soft sensors have been widely used in the industrial process control to improve the quality of
the product and assure safety in the production. The core of a soft sensor is to construct a …

[PDF][PDF] The design of robust soft sensor using ANFIS network

H Hosseini, M Shahbazian… - Journal of Instrumentation …, 2014 - researchgate.net
A soft Sensor is a model which is used to estimate the unmeasurable output of an industrial
process. Designing a soft sensor is usually difficult because its modeling is often based on …

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 …

Application of online support vector regression for soft sensors

H Kaneko, K Funatsu - AIChE Journal, 2014 - Wiley Online Library
Soft sensors have been widely used in chemical plants to estimate process variables that
are difficult to measure online. One of the crucial difficulties of soft sensors is that predictive …

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 …