NDLI: Robust output-regulation for uncertain linear systems with input saturation

Content Provider	IET Digital Library
Author	Gutiérrez, Ariana Ríos, Héctor Mera, Manuel
Abstract	The aim of this study is to design a robust output-based control to regulate the output for a class of linear systems with input saturation and affected by parameter uncertainties and external disturbances. The proposed robust control approach is composed of a homogeneous observer and a linear control law. The design and convergence analysis of the homogeneous observer is based on the implicit Lyapunov function theorem guaranteeing the finite-time convergence of the state estimation error to a neighbourhood of the origin. The linear control law, that uses the estimated states and takes into account the saturated input constraint, is designed based on the attractive ellipsoid method and a barrier Lyapunov function approach. The synthesis of the robust-output based control is given in terms of linear matrix inequalities. Simulation results are presented to illustrate the feasibility of the proposed robust control approach.
Starting Page	2372
Ending Page	2384
Page Count	13
ISSN	17518644
Volume Number	14
e-ISSN	17518652
Issue Number	Issue 16, Nov (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/14/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2020.0483
Journal	IET Control Theory & Applications
Publisher Date	2020-08-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Algebra Barrier Lyapunov Function Approach Closed Loop System Control System Analysis Control System Synthesis Convergence Analysis Homogeneous Observer Implicit Lyapunov Function Theorem Input Saturation Linear Control Law Linear Matrix Inequalities Linear System Lyapunov Method Nonlinear Control System Robust Control Robust Control Approach Robust Output-based Control Robust Output-regulation Robust-output Based Control Saturated Input Constraint Self Adjusting Control System Stability Stability in Control Theory State Estimation Error Synthesis Method Time Varying Control System Uncertain Linear System Uncertain System
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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