School of Mathematical Sciences

Numerical analysis of the global identifiability of electrochemical systems menu

Numerical analysis of the global identifiability of electrochemical systems

Speaker: 
Alexander VikhavskySchool of Engineering and Material Science, Queen Mary, University of London
Date/Time: 
Thu, 21/10/2010 - 17:30
Room: 
M203
Seminar series: 

We discuss a numerical analysis of the parametric identifiability of electrochemical
systems. Firstly, we analyze global identifiability of the entire set of parameters
in a single ac voltammetry experiment and examine the effect of different waveforms
(square, sawtooth) on the accuracy of the identification procedure.

The analysis of global identifiability is equivalent to finding a global optimum of
a specially designed function. The optimization problem is solved by a random search
method and a statistical analysis of the obtained solution allows for selection of
a subset of the parameters (or they linear combinations), which can be identified.
Finally, we discuss optimization of the waveform for better identifiability.