Adaptive output feedback regulation for a class of nonlinear systems subject to input and output quantization

In this paper, we study the global stabilization problem for a class of uncertain nonlinear systems with unknown growth rate by output feedback. Both the output signal and the input signal of the system are quantized for the sake of less communication burden. To analyze the resulting discontinuous s...

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Bibliographic Details
Published inJournal of the Franklin Institute Vol. 354; no. 15; pp. 6536 - 6549
Main Authors Xing, Lantao, Wen, Changyun, Wang, Lei, Liu, Zhitao, Su, Hongye
Format Journal Article
LanguageEnglish
Published Elmsford Elsevier Ltd 01.10.2017
Elsevier Science Ltd
Subjects
Adaptive control
Communications systems
Feedback
Laws
Measurement
Nonlinear systems
Output
Output feedback
Stabilization
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Summary:In this paper, we study the global stabilization problem for a class of uncertain nonlinear systems with unknown growth rate by output feedback. Both the output signal and the input signal of the system are quantized for the sake of less communication burden. To analyze the resulting discontinuous system, we adopt the non-smooth analysis techniques including the Filippov solution and differential inclusion. A new control law with an adaptive gain is proposed to compensate for the quantization errors. It is proved that the proposed scheme ensures that all the closed-loop signals are globally bounded. In addition, the output signal can be regulated to a bounded compact set which is explicitly given.
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content type line 14
ISSN:0016-0032
1879-2693
0016-0032
DOI:10.1016/j.jfranklin.2017.08.006