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Adaptive Robust Control for a Class of Uncertain Nonlinear System with Input and State Quantization

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Abstract

In this paper, we present an adaptive robust control scheme for a class of uncertain nonlinear system with both uncertain parameters and disturbance under state and input quantization. The quantizers can be any form of uniform quantizers or logarithmic quantizers as long as the quantization error satisfies the sector-bounded condition. In the designed control law, the state quantization error is regard as un-modeled dynamic and compensated by an addition feedback term. Both theoretic and simulation results show that under the designed controller, in spite of uncertainties and quantization, all signal is bounded and the outputs of the system track the reference command with tracking errors in relation to quantization density.

Original languageEnglish
Title of host publicationProceedings of the 37th Chinese Control Conference, CCC 2018
EditorsXin Chen, Qianchuan Zhao
PublisherIEEE Computer Society
Pages2566-2570
Number of pages5
ISBN (Electronic)9789881563941
DOIs
StatePublished - 5 Oct 2018
Event37th Chinese Control Conference, CCC 2018 - Wuhan, China
Duration: 25 Jul 201827 Jul 2018

Publication series

NameChinese Control Conference, CCC
Volume2018-July
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference37th Chinese Control Conference, CCC 2018
Country/TerritoryChina
CityWuhan
Period25/07/1827/07/18

Keywords

  • Adaptive robust control
  • Nonlinear system
  • Quantization
  • Uncertainties

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