[HTML][HTML] Review and classification of recent observers applied in chemical process systems
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 …
due to the lack of appropriate estimating devices or to replace high-priced sensors in a plant …
Passivity-based robust sliding mode synthesis for uncertain delayed stochastic systems via state observer
Z Liu, HR Karimi, J Yu - Automatica, 2020 - Elsevier
In this paper, the problem of passivity-based sliding mode control (SMC) for uncertain
delayed stochastic systems (DSS) within state-observer framework is under consideration. A …
delayed stochastic systems (DSS) within state-observer framework is under consideration. A …
Applying discrete-time proportional integral observers for state and disturbance estimations
JL Chang - IEEE Transactions on Automatic Control, 2006 - ieeexplore.ieee.org
In this note, we apply the proportional integral observer to simultaneously estimate system
states and unknown disturbances for discrete-time nonminimum phase systems. Conditions …
states and unknown disturbances for discrete-time nonminimum phase systems. Conditions …
LMI optimization approach to robust H∞ observer design and static output feedback stabilization for discrete‐time nonlinear uncertain systems
A new approach for the design of robust H∞ observers for a class of Lipschitz nonlinear
systems with time‐varying uncertainties is proposed based on linear matrix inequalities …
systems with time‐varying uncertainties is proposed based on linear matrix inequalities …
Monitoring of fed-batch E. coli fermentations with software sensors
Accurate monitoring and control of industrial bioprocess requires the knowledge of a great
number of variables, being some of them not measurable with standard devices. To …
number of variables, being some of them not measurable with standard devices. To …
A new adaptive fuzzy sliding mode observer for a class of MIMO nonlinear systems
A Gholami, AHD Markazi - Nonlinear Dynamics, 2012 - Springer
In this paper, a new adaptive fuzzy sliding mode (AFSM) observer is proposed which can be
used for a class of MIMO nonlinear systems. In the proposed algorithm, the zero-input …
used for a class of MIMO nonlinear systems. In the proposed algorithm, the zero-input …
Comparative analysis of a family of sliding mode observers under real-time conditions for the monitoring in the bioethanol production
Online monitoring of fermentation processes is a necessary task to determine concentrations
of key biochemical compounds, diagnose faults in process operations, and implement …
of key biochemical compounds, diagnose faults in process operations, and implement …
H ∞ observer design for uncertain nonlinear discrete‐time systems with time‐delay: LMI optimization approach
S Sayyaddelshad, T Gustafsson - International Journal of …, 2015 - Wiley Online Library
We present a robust H∞ observer for a class of nonlinear discrete‐time systems. The class
under study includes an unknown time‐varying delay limited by upper and lower bounds, as …
under study includes an unknown time‐varying delay limited by upper and lower bounds, as …
On-line estimation of VFA concentration in anaerobic digestion via methane outflow rate measurements
This paper deals with the design of a robust nonlinear observer as a software sensor to
achieve the on-line estimation of the concentration of Volatile Fatty Acids (VFA) in a class of …
achieve the on-line estimation of the concentration of Volatile Fatty Acids (VFA) in a class of …
Dynamical robust H∞ filtering for nonlinear uncertain systems: an LMI approach
In this paper, a new approach to robust H∞ filtering for a class of nonlinear systems with
time-varying uncertainties is proposed in the LMI framework based on a general dynamical …
time-varying uncertainties is proposed in the LMI framework based on a general dynamical …