Structural identifiability of adsorption and electron transfer processes in metal dissolution and passivation mechanisms

Studies of adsorption and electron transfer processes in metal dissolution and passivation mechanisms often involve estimation of electrochemical parameters and model validation. Before parameter estimation can take place, we have to examine whether the parameters are structurally identifiable and a...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 1999-09, Vol.471 (1), p.1-8
Main Author: Milocco, Ruben H.
Format: Article
Language:English
Subjects:
Adsorption
Applied sciences
Chemistry
Corrosion
Corrosion mechanisms
Electr transfer
Electrochemistry
Electrodes: preparations and properties
Exact sciences and technology
General and physical chemistry
Metal passivation
Metals. Metallurgy
Other electrodes
Structural distinguishability
Structural identifiability
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Summary:Studies of adsorption and electron transfer processes in metal dissolution and passivation mechanisms often involve estimation of electrochemical parameters and model validation. Before parameter estimation can take place, we have to examine whether the parameters are structurally identifiable and also if the mechanism is distinguishable from others. In this paper necessary and sufficient conditions to check global identifiability and distinguishability of such electrochemical systems, using input–output models, are given through a simple test based on a systematic procedure. The method is based on the similarity transformation approach. The procedure is illustrated with examples.
ISSN:1572-6657
1873-2569
DOI:10.1016/S0022-0728(99)00219-3