Neural-Network-Based Adaptive Funnel Control for Strict-Feedback Systems with Tracking Error and State Constraints

Yun Cheng, Xuemei Ren

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

In order to deal with the error/state constraints of the strict-feedback systems with the unknown quantization pareme-ters and disturbances, an adaptive control strategy based on funnel variables and neural networks (NNs) is proposed. The original strict-feedback systems is transformed into a new systems without constrains by some funnel variables, and then a dynamic surface control (DSC) is used to stabilize the transformed systems, which guarantees the tracking error in a preset ferformance funnel and states in some bounded regions. The unknown disturbances are estimated and compensated by the NNs, and the quantization error of the control input is also considered by an adaptive way. Furthermore, the feasibility conditions of the virtual controllers in barrier Lyapunov function (BLF) are removed. The convergence of the transformed control systems is proved through the Lyapunov theory. Lastly, some simulations illustrate the effectiveness of the proposed control strategy.

Original languageEnglish
Title of host publicationProceedings of 2021 IEEE 10th Data Driven Control and Learning Systems Conference, DDCLS 2021
EditorsMingxuan Sun, Huaguang Zhang
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages415-420
Number of pages6
ISBN (Electronic)9781665424233
DOIs
Publication statusPublished - 14 May 2021
Event10th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2021 - Suzhou, China
Duration: 14 May 202116 May 2021

Publication series

NameProceedings of 2021 IEEE 10th Data Driven Control and Learning Systems Conference, DDCLS 2021

Conference

Conference10th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2021
Country/TerritoryChina
CitySuzhou
Period14/05/2116/05/21

Keywords

  • Strict-feedback systems
  • funnel control
  • neural networks
  • state/error constraints
  • tracking control

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