Accuracy and efficiency enhanced non-linear model order reduction
by Hamid Reza Shaker, Mahmoud Samavat
International Journal of Modelling, Identification and Control (IJMIC), Vol. 2, No. 2, 2007

Abstract: A new method for model order reduction for an important class of non-linear dynamical systems is proposed. The reduction technique is based on the frequency balanced reduction method within a desired frequency band and a developed Trajectory Piecewise-Linear (TPWL) model order reduction approach. Both the methods are recently developed techniques and they can increase the accuracy and efficiency of the reduction method. The computational load and memory are significantly reduced when the method is used in the hybrid reduction method. The accuracy enhanced hybrid method is applicable to very large scale non-linear models efficiently and accurately. The numerical results show the accuracy and efficiency enhancement of the proposed method.

Online publication date: Sat, 21-Jul-2007

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