具有硬函数的非线性系统辨识

Q3 Engineering

Advances in Systems Science and Applications Pub Date : 2019-04-15 DOI:10.25728/ASSA.2019.19.1.632

A. Brouri, Tarik Rabyi, A. Ouannou

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引用次数: 4

摘要

本文研究了非线性系统的辨识方法。目前，非线性系统可以用Wiener-Hammerstein模型来描述。后者由两个线性块包围的非线性组成。线性块可以是非参数的。非线性单元可以是不连续的，特别是可以是硬单元(如预紧力、库仑摩擦、死区)。粗略地说，用正交分解(例如多项式)来模拟这些非线性类型是非常困难的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Identification of nonlinear systems having hard function

In this work, an identification approach of nonlinear systems is studied. Presently, the nonlinear system can be described by Wiener-Hammerstein model. This latter is composed of a nonlinearity surrounded by two linear blocks. The linear blocks can be nonparametric. The nonlinear element is allowed to be discontinuous, specifically it can be of hard element (e.g. Preload, Coulomb friction, Dead-zone). Roughly, it is very difficult to model these types of nonlinearities by orthogonal decompositions (e.g. polynomial).

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来源期刊

Advances in Systems Science and Applications Engineering-Engineering (all)

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： Advances in Systems Science and Applications (ASSA) is an international peer-reviewed open-source online academic journal. Its scope covers all major aspects of systems (and processes) analysis, modeling, simulation, and control, ranging from theoretical and methodological developments to a large variety of application areas. Survey articles and innovative results are also welcome. ASSA is aimed at the audience of scientists, engineers and researchers working in the framework of these problems. ASSA should be a platform on which researchers will be able to communicate and discuss both their specialized issues and interdisciplinary problems of systems analysis and its applications in science and industry, including data science, artificial intelligence, material science, manufacturing, transportation, power and energy, ecology, corporate management, public governance, finance, and many others.