Initial Estimates for Wiener-Hammerstein Models using the Best Linear Approximation

被引：6
|
作者：
Lauwers, Lieve [1 ]
Schoukens, Johan [1 ]
Pintelon, Rik [1 ]
机构：
[1] Vrije Univ Brussels, Dept ELEC, B-1050 Brussels, Belgium
来源：
2008 IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-5 | 2008年
关键词：
Wiener-Hammerstein systems; initial estimates; best linear approximation;
D O I：
10.1109/IMTC.2008.4547169
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper a method is proposed to initialize the linear dynamic blocks of a Wiener-Hammerstein model. The idea is to build these blocks from the poles and the zeros of the Best Linear Approximation of the system under test, which can easily be extracted from the data. This approach results in an easy to solve problem (linear-in-the-parameters) from which initial estimates for the linear dynamics can be obtained The proposed method is applied to simulation data from a Wiener-Hammerstein system.
引用
收藏
页码：928 / 932
页数：5
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