Using Modified Intelligent Experimental Design in Parameter Estimation of Chaotic Systems

Zahra Shourgashti, Hamid Keshvari and Shirin Panahi

Complexity, 2017, vol. 2017, 1-6

Abstract:

Computational modeling plays an important role in prediction and optimization of real systems and processes. Models usually have some parameters which should be set up to the proper value. Therefore, parameter estimation is known as an important part of the modeling and system identification. It usually refers to the process of using sampled data to estimate the optimum values of parameters. The accuracy of model can be increased by adjusting its parameters to the optimum value which need a richer dataset. One simple solution for having a richer dataset is increasing the amount of data, but that can be costly and time consuming. When using data from animals or people, it is especially important to have a proper plan. There are several available methods for parameter estimation in dynamical systems; however there are some basic differences in chaotic systems due to their sensitivity to initial condition (butterfly effect). Accordingly, in this paper, a new cost function which is proper for chaotic systems is applied to the chaotic one-dimensional map. Then the efficiency of a newly introduced intelligent method experimental design in extracting proper data is investigated. The results show the success of the proposed method.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:8309108

DOI: 10.1155/2017/8309108

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