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The Ellipsoidal Invariant Set of Fractional Order Systems Subject to Actuator Saturation:The Convex Combination Form
被引量:
1
1
作者
Kai Chen
Junguo Lu
Chuang Li
《IEEE/CAA Journal of Automatica Sinica》
SCIE
EI
2016年第3期311-319,共9页
The domain of attraction of a class of fractional order systems subject to saturating actuators is investigated in this paper. We show the domain of attraction is the convex hull of a set of ellipsoids. In this paper,...
The domain of attraction of a class of fractional order systems subject to saturating actuators is investigated in this paper. We show the domain of attraction is the convex hull of a set of ellipsoids. In this paper, the Lyapunov direct approach and fractional order inequality are applied to estimating the domain of attraction for fractional order systems subject to actuator saturation. We demonstrate that the convex hull of ellipsoids can be made invariant for saturating actuators if each ellipsoid with a bounded control of the saturating actuators is invariant. The estimation on the contractively invariant ellipsoid and construction of the continuous feedback law are derived in terms of linear matrix inequalities (LMIs). Two numerical examples illustrate the effectiveness of the developed method. © 2014 Chinese Association of Automation.
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关键词
ALGEBRA
Computational
geometry
Linear
matrix
inequalities
Numerical
methods
Saturation
(materials
composition)
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题名
The Ellipsoidal Invariant Set of Fractional Order Systems Subject to Actuator Saturation:The Convex Combination Form
被引量:
1
1
作者
Kai Chen
Junguo Lu
Chuang Li
机构
School of Mechanical and Electrical Engineering
Department of Automation
Key Laboratory of System Control and Information Processing
出处
《IEEE/CAA Journal of Automatica Sinica》
SCIE
EI
2016年第3期311-319,共9页
基金
supported by Natural Science Foundation of Hainan Province(20156218)
National Natural Science Foundation of China(61374030)
文摘
The domain of attraction of a class of fractional order systems subject to saturating actuators is investigated in this paper. We show the domain of attraction is the convex hull of a set of ellipsoids. In this paper, the Lyapunov direct approach and fractional order inequality are applied to estimating the domain of attraction for fractional order systems subject to actuator saturation. We demonstrate that the convex hull of ellipsoids can be made invariant for saturating actuators if each ellipsoid with a bounded control of the saturating actuators is invariant. The estimation on the contractively invariant ellipsoid and construction of the continuous feedback law are derived in terms of linear matrix inequalities (LMIs). Two numerical examples illustrate the effectiveness of the developed method. © 2014 Chinese Association of Automation.
关键词
ALGEBRA
Computational
geometry
Linear
matrix
inequalities
Numerical
methods
Saturation
(materials
composition)
Keywords
Fractional
order
saturation
convex
hull
invari
-
ant
set
ellipsoid
domain
of
attraction
分类号
O175 [理学—数学]
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The Ellipsoidal Invariant Set of Fractional Order Systems Subject to Actuator Saturation:The Convex Combination Form
Kai Chen
Junguo Lu
Chuang Li
《IEEE/CAA Journal of Automatica Sinica》
SCIE
EI
2016
1
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