NDLI: Terminal adaptive output feedback variable structure control

Content Provider	IET Digital Library
Author	Chiang, Yu Chi Cheng, Chih Chiang
Abstract	Based on the Lyapunov stability theorem, an adaptive output feedback variable structure control (OFVSC) scheme is proposed in this study for a class of multi-input multi-output non-linear systems with matched and mismatched perturbations to solve regulation problems. First, a switching function is designed, and the system to be controlled is decomposed into two subsystems through a linear state transformation. Then the proposed OFVSC scheme is presented. A perturbation estimation algorithm is utilised in designing the proposed control scheme in order to overcome the problem of unmeasurable states. Adaptive mechanism is also employed so that the upper bounds of perturbations as well as perturbation estimation errors are not required to be known in advance. Furthermore, the resultant control system is capable of driving all the states into zero within a finite time and guaranteeing global stability. Finally, a numerical example is given for demonstrating the feasibility of the proposed control scheme.
Starting Page	1376
Ending Page	1383
Page Count	8
ISSN	17518644
Volume Number	12
e-ISSN	17518652
Issue Number	Issue 10, Jul (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/12/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2017.1014
Journal	IET Control Theory & Applications
Publisher Date	2018-03-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Adaptive Mechanism Adaptive Output Feedback Variable Structure Control Scheme Attitude Control Closed Loop System Control System Analysis Control System Synthesis Feedback Linear State Transformation Linear System Lyapunov Method Lyapunov Stability Theorem Matched Mismatched Perturbations Multiinput Multioutput Nonlinear System Multivariable Control System Nonlinear Control System OFVSC Scheme Perturbation Estimation Algorithm Perturbation Estimation Error Regulation Problem Resultant Control System Stability Stability in Control Theory Synthesis Method Terminal Adaptive Output Feedback Variable Structure Control Uncertain System Variable Structure 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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