Enthalpy based modelling and design of asymptotic observers for chemical reactors

This article proposes to consider the basic thermodynamics based formulation of the energy balance equation for chemical systems with a limited number of simplifying assumptions. The objective is to show, via the design of one typical mass and energy balance state observer, how such design can be mo...

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Bibliographic Details
Published in:International journal of control 2009-08, Vol.82 (8), p.1389-1403
Main Authors: Dochain, D., Couenne, F., Jallut, C.
Format: Article
Language:English
Subjects:
(bio)chemical process
Applied sciences
Automatic
Automatic Control Engineering
Chemical and Process Engineering
Chemical engineering
Chemical Sciences
Computer Science
Computer science
control theory
systems
Control theory. Systems
Engineering Sciences
enthalpy
Exact sciences and technology
Modelling and identification
Process control. Computer integrated manufacturing
reaction invariants
state observation
thermodynamics
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Summary:This article proposes to consider the basic thermodynamics based formulation of the energy balance equation for chemical systems with a limited number of simplifying assumptions. The objective is to show, via the design of one typical mass and energy balance state observer, how such design can be modified by considering the proposed thermodynamically based model formulation. The objective is also to emphasise the difference and the links between the energy balance-based temperature equation largely used in process control. The design of the asymptotic observer is illustrated with two examples: one CSTR in liquid phase and another one in gaseous phase.
ISSN:0020-7179
1366-5820
DOI:10.1080/00207170802236085