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Adaptive decentralized output feedback PI tracking control design for uncertain interconnected nonlinear systems with input quantization

机译:具有输入量化不确定互联非线性系统的自适应分散输出反馈PI跟踪控制设计

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摘要

In this paper, the problem of adaptive decentralized proportional-integral (PI) tracking control is investigated for a class of interconnected nonlinear systems with input quantization and unknown functions, where the interconnection terms are bounded by completely unknown functions. By designing an input-driven filter, the unknown states are estimated and then an adaptive decentralized output feedback PI tracking controller is constructed via the backstepping method and neural network technique. The stability of the closed-loop system is addressed based on the Lyapunov function technique plus graph theory, and all the signals in the closed-loop system are uniformly ultimately bounded. Finally, simulation results are utilized to demonstrate the effectiveness of the proposed method. (C) 2019 Published by Elsevier Inc.
机译:在本文中,研究了自适应分散的比例积分(PI)跟踪控制的问题对具有输入量化和未知函数的一类互连的非线性系统,其中互连术语由完全未知的功能界定。 通过设计输入驱动的滤波器,估计未知状态,然后通过反向方法和神经网络技术构建自适应分散输出反馈PI跟踪控制器。 基于Lyapunov函数技术加图理论寻址闭环系统的稳定性,闭环系统中的所有信号都是均匀的最终界限。 最后,利用仿真结果来证明所提出的方法的有效性。 (c)2019由elsevier公司出版

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