Data assimilation in the geosciences: An overview of methods, issues, and perspectives

A Carrassi, M Bocquet, L Bertino… - Wiley Interdisciplinary …, 2018 - Wiley Online Library
We commonly refer to state estimation theory in geosciences as data assimilation (DA). This
term encompasses the entire sequence of operations that, starting from the observations of a …

Fundamental limitations and intrinsic limits of feedback: An overview in an information age

J Chen, S Fang, H Ishii - Annual Reviews in Control, 2019 - Elsevier
This paper presents a review on the fundamental performance limitations and design
tradeoffs of feedback control systems, ranging from classical performance tradeoff issues to …

[BUCH][B] Towards integrating control and information theories

S Fang, J Chen, I Hideaki - 2017 - Springer
Feedback control systems are designed to achieve desirable objectives under physical
constraints and adversary conditions. Fundamental control limitations address the intrinsic …

Bridging offline functional model carrying aging-specific growth rate information and recombinant protein expression: entropic extension of akaike information criterion

R Urniezius, B Kemesis, R Simutis - Entropy, 2021 - mdpi.com
This study presents a mathematical model of recombinant protein expression, including its
development, selection, and fitting results based on seventy fed-batch cultivation …

Generic estimator of biomass concentration for Escherichia coli and Saccharomyces cerevisiae fed-batch cultures based on cumulative oxygen consumption rate

R Urniezius, A Survyla, D Paulauskas, VA Bumelis… - Microbial cell …, 2019 - Springer
Background The focus of this study is online estimation of biomass concentration in fed-
batch cultures. It describes a bioengineering software solution, which is explored for …

From physics to bioengineering: microbial cultivation process design and feeding rate control based on relative entropy using nuisance time

R Urniezius, V Galvanauskas, A Survyla, R Simutis… - Entropy, 2018 - mdpi.com
For historic reasons, industrial knowledge of reproducibility and restrictions imposed by
regulations, open-loop feeding control approaches dominate in industrial fed-batch …

Complex-valued Kalman filters based on Gaussian entropy

G Wang, SS Ge, R Xue, J Zhao, C Li - Signal Processing, 2019 - Elsevier
The conventional complex Kalman filter is based on the well-known mean square error
criterion, which is optimal under the circular Gaussian assumption. When a real-world …

Identification of Functional Bioprocess Model for Recombinant E. Coli Cultivation Process

R Urniezius, A Survyla - Entropy, 2019 - mdpi.com
The purpose of this study is to introduce an improved Luedeking–Piret model that represents
a structurally simple biomass concentration approach. The developed routine provides …

Fundamental limitations of control and filtering in continuous-time systems: An information-theoretic analysis

N Wan, D Li, N Hovakimyan - arxiv preprint arxiv:2201.00995, 2022 - arxiv.org
While information theory has been introduced to investigate and characterize the control and
filtering limitations for a few decades, the existing information-theoretic methods are indirect …

Fundamental error bounds in state estimation: An information-theoretic analysis

S Fang, J Chen, H Ishii - 2017 IEEE 56th Annual Conference …, 2017 - ieeexplore.ieee.org
This paper investigates fundamental performance bounds on estimation error for general
state estimation systems that are not necessarily linear time invariant with noises that are not …