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Title: A differential evolution based neural network approach to nonlinear system identification
Authors: Subudhi, B.
Jena, D.
Issue Date: 2011
Citation: Applied Soft Computing Journal, 2011, Vol.11, 1, pp.861-871
Abstract: This paper addresses the effectiveness of soft computing approaches such as evolutionary computation (EC) and neural network (NN) to system identification of nonlinear systems. In this work, two evolutionary computing approaches namely differential evolution (DE) and opposition based differential evolution (ODE) combined with Levenberg Marquardt algorithm have been considered for training the feed-forward neural network applied for nonlinear system identification. Results obtained envisage that the proposed combined opposition based differential evolution neural network (ODE-NN) approach to identification of nonlinear system exhibits better model identification accuracy compared to differential evolution neural network (DE-NN) approach. The above method is finally tested on a one degree of freedom (1DOF) highly nonlinear twin rotor multi-input-multi-output system (TRMS) to verify the identification performance. 2010 Elsevier B.V. All rights reserved.
URI: 10.1016/j.asoc.2010.01.006
Appears in Collections:1. Journal Articles

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