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What is State Observer

Chapter 21
Handbook of Research on Computational and Systems Biology: Interdisciplinary Applications
In control theory, is a system that models a real system in order to provide an estimate of its internal state, given measurements of the input and output of the real system. An asymptotic observer is an observer that converges to the internal state of the system for time that goes to infinity.
Published in Chapter:
Dynamic Modeling and Parameter Identification for Biological Networks: Application to the DNA Damage and Repair Processes
Fortunato Bianconi (University of Perugia, Italy), Gabriele Lillacci (University of Perugia, Italy), and Paolo Valigi (University of Perugia, Italy)
Copyright: © 2011 |Pages: 33
DOI: 10.4018/978-1-60960-491-2.ch021
Abstract
Then, two different parameter identification techniques are presented for the proposed models. One is based on a least squares procedure, which treats the signals provided by a high gain observer; the other one is based on a Mixed Extended Kalman Filter. Prior to the estimation phase, identifiability and sensitivity analyses are used to determine which parameters can be and/or should be estimated. The procedures are tested and compared by means of data obtained by in silico experiments.
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