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High‐gain observers and linear output regulation for hybrid exosystems
Author(s) -
Cox Nicholas,
Marconi Lorenzo,
Teel Andrew
Publication year - 2014
Publication title -
international journal of robust and nonlinear control
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.361
H-Index - 106
eISSN - 1099-1239
pISSN - 1049-8923
DOI - 10.1002/rnc.3050
Subject(s) - control theory (sociology) , internal model , obstacle , context (archaeology) , hybrid system , linear system , computer science , mathematics , control (management) , artificial intelligence , paleontology , mathematical analysis , machine learning , political science , law , biology
SUMMARY We consider the hybrid output regulation problem for minimum phase linear systems with relative degree greater than one. In the hybrid output regulation problem, an exosystem provides a disturbance or tracking signal that must be matched via an internal model in order to asymptotically regulate the error. This hybrid exosystem is a linear system that experiences periodic jumps. In this context, we build upon previous works in hybrid output regulation by showing how high‐gain observers can successfully overcome the obstacle of high relative degree. In certain scenarios, they can also be used to stabilize the hybrid internal model dynamics through jumps. Copyright © 2013 John Wiley & Sons, Ltd.