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Design of an Adaptive Fuzzy Sliding-Mode Controller for Chaos Synchronization

机译:混沌同步的自适应模糊滑模控制器设计

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In this paper an adaptive fuzzy sliding-mode control (AFSMC) system with an integral-operation switching surface is presented for Sprott's chaotic system synchronization. The synchronization objective is to obtain identical synchronization between the master and slave systems in spite of the existing perturbations and parametric variations. The AFSMC system comprises of a hitting control and a fuzzy control. The fuzzy control gain is adjusted using an adapted technique. In the controller design, the hyperbolic function tanh(x) and an un-modeled term are used to approximate the sign function of the Sprott system, and the fuzzy rules are determined according to the Lyapunov theorem. Simulation results are given to verify the proposed theory.
机译:本文提出了具有积分操作切换面的自适应模糊滑模控制(AFSMC)系统,用于Sprott混沌系统同步。尽管存在扰动和参数变化,但同步目标是在主系统和从系统之间获得相同的同步。 AFSMC系统包括击球控制和模糊控制。使用适应性技术来调整模糊控制增益。在控制器设计中,使用双曲函数tanh(x)和未建模项来逼近Sprott系统的符号函数,并根据Lyapunov定理确定模糊规则。仿真结果验证了所提出的理论。

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