Hybrid cascade control for a class of nonlinear dynamical systems

A Campos-Rodríguez, JP García-Sandoval… - Journal of Process …, 2019 - Elsevier
The regulation of nonlinear dynamical systems with both continuous and discrete
measurements is addressed by a robust control structure that considers the compromise …

Saturated PI control of continuous bioreactors with Haldane kinetics

A Schaum, J Alvarez, T Lopez-Arenas - Chemical engineering science, 2012 - Elsevier
The problem of designing a saturated Output-Feedback (OF) controller for a continuous
bioreactor with Haldane kinetics is addressed. The reactor must be operated at maximum …

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 …

A systematic approach to plant-wide control based on thermodynamics

LT Antelo, I Otero-Muras, JR Banga… - Computers & chemical …, 2007 - Elsevier
In this work, a systematic approach to plant-wide control design is proposed. The method
combines ingredients from process networks, thermodynamics and systems theory to derive …

Control of an exothermic packed-bed tubular reactor

I Nájera, J Álvarez, R Baratti, C Gutiérrez - IFAC-PapersOnLine, 2016 - Elsevier
The problem of robustly controlling a highly exothermic gas-phase packed-bed tubular
reactor on the basis of feed and reactor temperature measurements is addressed. First …

On the dynamics and control of a class of continuous digesters

A Schaum, J Alvarez, JP Garcia-Sandoval… - Journal of Process …, 2015 - Elsevier
The saturated OF control problem for a class of four-state anaerobic digesters with volatile
fatty acids (VFAs) measurement is addressed. The reactor must operate about an optimal …

VFA robust control of an anaerobic digestion pilot plant: experimental implementation

JP García-Sandoval, HO Méndez-Acosta… - IFAC-PapersOnLine, 2016 - Elsevier
In this work, an experimental implementation of a model based output feedback (OF)
scheme applied to regulate the volatile fatty acids concentration of an anaerobic digestion …

On the global nonlinear stochastic dynamical behavior of a class of exothermic CSTRs

S Tronci, M Grosso, J Alvarez, R Baratti - Journal of Process Control, 2011 - Elsevier
The problem of assessing the short and long time effects of stochastic fluctuations on the
global-nonlinear dynamics of a class of closed-loop continuous exothermic reactors with …

Dissipativity-based observer and feedback control design for a class of chemical reactors

A Schaum, JA Moreno, J Díaz-Salgado… - Journal of Process …, 2008 - Elsevier
The problem of controlling a (possibly open-loop unstable) continuous exothermic reactor
with non-monotonic kinetics, temperature measurements, reactant and heat exchange rates …

Energy saving through control in an industrial multicomponent distillation column

M Porru, R Baratti, J Alvarez - IFAC-PapersOnLine, 2015 - Elsevier
The problem of reducing the energy consumption in an industrial multicomponent distillation
column is addressed. The column is subjected to step feed and distillate flow rates, the …