A sliding mode technique for reconstruction of unknown control input in linear systems

Q3 Physics and Astronomy

Cybernetics and Physics Pub Date : 2023-06-30 DOI:10.35470/2226-4116-2023-12-1-82-88

A. Zhirabok, A. Zuev, A. Shumsky

引用次数: 0

Abstract

The unknown input estimation problem for linear dynamic systems exposed to the disturbances is studied in the paper. A novel approach to designing sliding mode observer is suggested for systems not satisfying matching, minimum phase, and detectability conditions. To apply this approach, the reduced-order model of the original system is used. Such a model allows to reduce the dimension of the sliding mode observer, besides the restrictions placed on the original system are relaxed.

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线性系统中未知控制输入的滑模重构技术

研究了受干扰的线性动态系统的未知输入估计问题。针对不满足匹配条件、最小相位条件和可检测条件的系统，提出了一种新的滑模观测器设计方法。为了应用该方法，采用了原系统的降阶模型。该模型允许降低滑模观测器的维数，同时放宽了对原系统的限制。

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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来源期刊

Cybernetics and Physics Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

1.70

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The scope of the journal includes: -Nonlinear dynamics and control -Complexity and self-organization -Control of oscillations -Control of chaos and bifurcations -Control in thermodynamics -Control of flows and turbulence -Information Physics -Cyber-physical systems -Modeling and identification of physical systems -Quantum information and control -Analysis and control of complex networks -Synchronization of systems and networks -Control of mechanical and micromechanical systems -Dynamics and control of plasma, beams, lasers, nanostructures -Applications of cybernetic methods in chemistry, biology, other natural sciences The papers in cybernetics with physical flavor as well as the papers in physics with cybernetic flavor are welcome. Cybernetics is assumed to include, in addition to control, such areas as estimation, filtering, optimization, identification, information theory, pattern recognition and other related areas.