[HTML][HTML] Review and classification of recent observers applied in chemical process systems

JM Ali, NH Hoang, MA Hussain, D Dochain - Computers & Chemical …, 2015 - Elsevier
Observers are computational algorithms designed to estimate unmeasured state variables
due to the lack of appropriate estimating devices or to replace high-priced sensors in a plant …

Determining optimal sensor locations for state and parameter estimation for stable nonlinear systems

AK Singh, J Hahn - Industrial & engineering chemistry research, 2005 - ACS Publications
This paper presents a new approach for sensor location for state and parameter estimation
for stable nonlinear systems. The unique feature of this technique is that sensor locations for …

Sensor location for stable nonlinear dynamic systems: Multiple sensor case

AK Singh, J Hahn - Industrial & engineering chemistry research, 2006 - ACS Publications
This paper presents a new technique for placing sensors on processes described by stable
nonlinear dynamic systems. The methodology can compute locations for individual sensors …

Sensor location for nonlinear dynamic systems via observability analysis and MAX-DET optimization

M Serpas, G Hackebeil, C Laird, J Hahn - Computers & Chemical …, 2013 - Elsevier
This paper presents an approach for determining the optimal placement of multiple sensors
for processes described by a class of nonlinear dynamic systems. This approach is based …

Geometric estimation of nonlinear process systems

J Álvarez, C Fernández - Journal of process control, 2009 - Elsevier
An estimation approach to jointly design the estimation model, data assimilation structure,
and algorithm in the light of particular estimation objectives is developed within a …

Combined proportional/integral− inventory control of solution homopolymerization reactors

P González, J Alvarez - Industrial & engineering chemistry …, 2005 - ACS Publications
In this work, a proportional/integral (PI) material-balance scheme to control continuous free-
radical solution homopolymer (possibly open-loop unstable) reactors with level …

Optimal selection of sensors for state estimation in a reactive distillation process

C Sumana, C Venkateswarlu - Journal of process control, 2009 - Elsevier
The success of state estimation in a high dimensional system like multicomponent reactive
distillation depends on the rigorous evaluation of the observability and appropriate selection …

Optimal sensor placement in integrated gasification combined cycle power systems

AJ Lee, UM Diwekar - Applied energy, 2012 - Elsevier
The optimal sensor placement problem involves determining the most effective locations to
place a network of sensors across an array of measurable signals, in accordance with a set …

Nonlinear dynamic model-based multiobjective sensor network design algorithm for a plant with an estimator-based control system

P Paul, D Bhattacharyya, R Turton… - Industrial & Engineering …, 2017 - ACS Publications
A novel sensor network design (SND) algorithm is developed for maximizing process
efficiency while minimizing sensor network cost for a nonlinear dynamic process with an …

Model design of a class of moving-bed tubular gasification reactors

U Badillo-Hernandez, L Alvarez-Icaza… - Chemical Engineering …, 2013 - Elsevier
The problem of modeling a class of two-phase moving-bed tubular gasification reactors by
means of a lumped (finite-dimensional) representation is addressed in this paper. A model is …