On third-order frequency-domain nonlinear system identification

被引：0
|
作者：
Nam, SW [1 ]
Powers, EJ [1 ]
机构：
[1] Hanyang Univ, Div Elect & Comp Engn, Seoul 133791, South Korea
来源：
PROCEEDINGS OF THE THIRTEENTH (2003) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 3 | 2003年
关键词：
third-order nonlinear system; Volterra series; system identification; HOS; RLS; parameter estimation;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The main purpose of this paper is to present a practical digital approach for identifying third-order (or cubically) nonlinear systems, where the frequency-domain Volterra series representation is utilized along with higher-order statistical (HOS) analysis of I/O data. As one practical application of the approach, the problem of estimating the system parameters of a nonlinear oscillatory system (described by a simple pendulum equation with linear damping) is considered. Note that the proposed approach does not assume any particular statistics of the input.
引用
收藏
页码：421 / 426
页数：6
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