Wiener-Hammerstein modeling of nonlinear effects in bilinear systems

被引：8
作者：
Tan, AH [1 ]
机构：
[1] Multimedia Univ, Fac Engn, Cyberjaya 63100, Malaysia
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2006年 / 51卷 / 04期
关键词：
bilinear systems; block-oriented models; multisine signals; system identification; Wiener-Hammerstein models;
D O I：
10.1109/TAC.2006.872759
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The modeling of nonlinear effects in bilinear systems using Wiener-Hammerstein models is considered. Such models are chosen based on the block-oriented structure of bilinear systems and the shapes of their Volterra kernels. Theoretical analysis is given for first-order bilinear systems, and simulation results are presented for first- and second-order Systems. While the nonlinearity is only approximately Wiener-Hammerstein, the models are able to capture a significant part of the nonlinear dynamics. In order to reduce the complexity of optimizing the model parameters, the linear subsystems are estimated using the technique of linear interpolation in the frequency domain.
引用
收藏
页码：648 / 652
页数：5
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