Robust output feedback control of time-delay nonlinear systems with dead-zone input and application to chemical reactor system

Zong Yao Sun, Kai Zhang, Chih Chiang Chen, Qinghua Meng

研究成果: Article同行評審

摘要

This paper investigates the problem of robust output feedback control for a class of time-delay nonlinear systems with unknown continuous time varying output function. Unlike the previous studies, the considered systems allow the presence of dead-zone nonlinearities, continuous disturbances and time-varying delays. A new robust control scheme is constructed by introducing coordinate transformations that draws the dead-zone characteristic as well as modifying a double-domination method cooperating with integral Lyapunov functions. A combined system is established to perform a one-step mechanism for constructing a continuous controller which guarantees that all closed-loop signals are ultimately uniform bounded. The proposed scheme is finally applied to a two-stage chemical reactor system with dead-zone input and external disturbances to illustrate the effectiveness and performances.

原文English
期刊Nonlinear Dynamics
DOIs
出版狀態Accepted/In press - 2022

All Science Journal Classification (ASJC) codes

  • 控制與系統工程
  • 航空工程
  • 海洋工程
  • 機械工業
  • 電氣與電子工程
  • 應用數學

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