Robust nonlinear model predictive control of cascade of fermenters with recycle for efficient bioethanol production

P Skupin, P Łaszczyk, EC Goud, R Vooradi… - Computers & Chemical …, 2022 - Elsevier
In this paper, dynamical behavior and control of the continuous ethanol fermentation
process are studied. The process productivity is improved by using two fermenters …

Dynamic bifurcations in continuous process of bioethanol production under aerobic conditions using Saccharomyces cerevisiae

A Ciesielski, R Grzywacz - Biochemical engineering journal, 2020 - Elsevier
This article presents a numerical study of the oscillatory phenomena occurring in the
bioethanol production process by aerobic continuous fermentation using Saccharomyces …

Nonlinear analysis of cybernetic model for aerobic growth of Saccharomyces cerevisiae in a continuous stirred tank bioreactor. Static bifurcations

A Ciesielski, R Grzywacz - Biochemical Engineering Journal, 2019 - Elsevier
This article presents a nonlinear steady-state analysis of a continuous stirred tank
bioreactor. The process of bioethanol production under aerobic conditions was analyzed …

Bifurcation analysis of a composite cantilever beam via 1: 3 internal resonance

M Sayed, AA Mousa, DY Alzaharani, IH Mustafa… - Journal of the Egyptian …, 2020 - Springer
In this paper, we study a multiple scales perturbation and numerical solution for vibrations
analysis and control of a system which simulates the vibrations of a nonlinear composite …

PI control for a continuous fermentation process with a delayed product inhibition

P Skupin, M Metzger - Journal of Process Control, 2018 - Elsevier
The paper addresses the problem of stabilization of ethanol concentration in continuous
fermentation processes. The stability analysis is performed for a class of continuous …

Determination of experimental and mathematical oscillatory conditions for Zymomonas mobilis with different death rates for viable and VBNC cells

LF Calderón-Soto, JM Méndez-González… - … Research and Design, 2017 - Elsevier
A chemostat inoculated with Zymomonas mobilis shows an oscillatory behavior when the
ethanol concentration surpasses a critical value, as a consequence of the ethanol inhibitory …

Sinusoidal control strategy applied to continuous stirred‐tank reactors: Asymptotic and exponential convergence

R Aguilar‐López, I González‐Viveros… - The Canadian Journal … - Wiley Online Library
The main goal of this proposal is to present a class of nonlinear controllers for regulation
and set point changes in continuous chemical reactors. The proposed control law has in its …

Oscillatory behaviour control in a continuous culture under double-substrate limitation

P Skupin, M Metzger - Journal of Biological Dynamics, 2018 - Taylor & Francis
The paper discusses the possibility of using a mixture of two growth limiting substrates to
induce or eliminate self-sustained oscillations in a continuous culture process. The …