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首页> 外文期刊>Mathematical Problems in Engineering >Output-Feedback Controller Based Projective Lag-Synchronization of Uncertain Chaotic Systems in the Presence of Input Nonlinearities
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Output-Feedback Controller Based Projective Lag-Synchronization of Uncertain Chaotic Systems in the Presence of Input Nonlinearities

机译：输入非线性下基于输出反馈控制器的不确定混沌系统的投影滞后同步

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摘要

This paper solves the problem of projective lag-synchronization based on output-feedback control for chaotic drive-response systems with input dead-zone and sector nonlinearities. This class of the drive-response systems is assumed in Brunovsky form but with unavailable states and unknown dynamics. To effectively deal with both dead-zone and sector nonlinearities, the proposed controller is designed in a variable-structure framework. To online learn the uncertain dynamics, adaptive fuzzy systems are used. And to estimate the unavailable states, a simple synchronization error is constructed. To prove the stability of the overall closed-loop system (controller, observer, and drive-response system) and to design the adaptation laws, a Lyapunov theory and strictly positive real (SPR) approach are exploited. Finally, three academic examples are given to show the effectiveness of this proposed lag-synchronization scheme.
机译：本文针对具有输入死区和扇区非线性的混沌驱动器响应系统，解决了基于输出反馈控制的投影滞后同步问题。此类驾驶响应系统以Brunovsky形式假定，但状态不可用且动态特性未知。为了有效地处理死区和扇区非线性，建议的控制器在可变结构框架中进行设计。为了在线学习不确定的动力学，使用了自适应模糊系统。为了估计不可用状态，构造了一个简单的同步错误。为了证明整个闭环系统（控制器，观察器和驱动响应系统）的稳定性并设计自适应律，采用了Lyapunov理论和严格正实数（SPR）方法。最后，给出了三个学术实例，说明了所提出的滞后同步方案的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第2017期|8045803.1-8045803.12|共12页
  • 作者

    Boulkroune Abdesselem; Hamel Sarah; Zouari Farouk; Boukabou Abdelkrim; Ibeas Asier;

  • 作者单位

    Univ Jijel, Dept Automat Control, LAJ, BP 98, Jijel 18000, Algeria;

    Univ Jijel, Dept Automat Control, LAJ, BP 98, Jijel 18000, Algeria;

    Univ Tunis El Manar, LARA, Ecole Natl Ingenieurs Tunis, BP 37, Tunis 1002, Tunisia;

    Univ Jijel, Dept Elect, BP 98, Jijel 18000, Algeria;

    Univ Autonoma Barcelona, Dept Telecommun & Syst Engn, E-08193 Barcelona, Spain|Univ Bogota Jorge Tadeo Lozano, Dept Ingn, Fac Ciencias Nat & Ingn, 22 St,4-96,Mod 7A, Bogota 110311, Colombia;

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