A review on robust M-estimators for regression analysis

DQF De Menezes, DM Prata, AR Secchi… - Computers & Chemical …, 2021 - Elsevier
Regression analysis constitutes an important tool for investigating the effect of explanatory
variables on response variables. When outliers and bias errors are present, the weighted …

Simultaneous robust data reconciliation and gross error detection through particle swarm optimization for an industrial polypropylene reactor

DM Prata, M Schwaab, EL Lima, JC Pinto - Chemical Engineering Science, 2010 - Elsevier
In a previous study, a nonlinear dynamic data reconciliation procedure (NDDR) based on
the particle swarm optimization (PSO) method was developed and validated in line and in …

Dynamic data reconciliation for improving the prediction performance of the data-driven model on distributed product outputs

W Zhu, Z Zhang, Y Liu - Industrial & Engineering Chemistry …, 2022 - ACS Publications
The product quality of some chemical processes is affected by those output variables
exhibiting distributed characteristics. To enable process monitoring and quality analysis …

A novel robust data reconciliation method for industrial processes

S **e, C Yang, X Yuan, X Wang, Y **e - Control Engineering Practice, 2019 - Elsevier
Data reconciliation has played a significant role in rectifying process data which can meet
the conservation laws in industrial processes. Generally, the actual measurements are often …

Robust multiple-model LPV approach to nonlinear process identification using mixture t distributions

Y Lu, B Huang - Journal of Process Control, 2014 - Elsevier
In this paper, we propose a robust multiple-model linear parameter varying (LPV) approach
to identification of the nonlinear process contaminated with outliers. The identification …

[BOOK][B] Instrument Engineers' Handbook, Volume Three: Process Software and Digital Networks

BG Lipták - 2002 - taylorfrancis.com
Instrument Engineers' Handbook, Third Edition: Volume Three: Process Software and Digital
Networks provides an in-depth, state-of-the-art review of existing and evolving digital …

Collection of benchmark test problems for data reconciliation and gross error detection and identification

EC do Valle, R de Araújo Kalid, AR Secchi… - Computers & Chemical …, 2018 - Elsevier
In an industrial scenario, one can find measured data that do not satisfy the mass and
energy laws of conservation. This problem can be approached by applying data …

Dynamic data reconciliation to improve the result of controller performance assessment based on GMVC

W Zhu, Z Zhang, A Armaou, G Hu, S Zhao, S Huang - ISA transactions, 2021 - Elsevier
Due to the complexity of the industrial working environment, controllers are susceptible to
various disturbance signals, resulting in unsatisfactory control performance. Therefore, it is …

Dynamic data reconciliation to enhance the performance of feedforward/feedback control systems with measurement noise

W Zhu, Z Zhang, J Chen, S Zhao, S Huang - Journal of Process Control, 2021 - Elsevier
To inhibit the effect of disturbance in a system, feedforward control is usually combined with
feedback loops to provide better control. The working environment for feedforward/feedback …

Expectation maximization estimation algorithm for Hammerstein models with non-Gaussian noise and random time delay from dual-rate sampled-data

J Ma, J Chen, W **ong, F Ding - Digital Signal Processing, 2018 - Elsevier
This paper considers the robust identification for dual-rate input nonlinear equation-error
systems with outliers and random time delay. To suppress the negative influence caused by …