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Dynamic Neural Network Identification and Decoupling Control Approach for MIMO Time-Varying Nonlinear Systems

机译:用于MIMO时变非线性系统的动态神经网络识别与解耦控制方法

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Overcoming the coupling among variables is greatly necessary to obtain accurate, rapid and independent control of the real nonlinear systems. In this paper, the main methodology, on which the method is based, is dynamic neural networks (DNN) and adaptive control with the Lyapunov methodology for the time-varying, coupling, uncertain, and nonlinear system. Under the framework, the DNN is developed to accommodate the identification, and the weights of DNN are iteratively and adaptively updated through the identification errors. Based on the neural network identifier, the adaptive controller of complex system is designed in the latter. To guarantee the precision and generality of decoupling tracking performance, Lyapunov stability theory is applied to prove the error between the reference inputs and the outputs of unknown nonlinear system which is uniformly ultimately bounded (UUB). The simulation results verify that the proposed identification and control strategy can achieve favorable control performance.
机译:克服变量之间的耦合非常必要,以获得对真正的非线性系统的准确,快速和独立的控制。在本文中,该方法基于的主要方法是动态神经网络(DNN)和具有Lyapunov方法的自适应控制,用于时变,耦合,不确定和非线性系统。在该框架下,开发DNN以适应识别,并且DNN的权重迭代地并通过识别误差自适应地更新。基于神经网络标识符,复杂系统的自适应控制器在后者设计。为了保证去耦性跟踪性能的精度和一般性,利用Lyapunov稳定性理论来证明参考输入与未知非线性系统的输出之间的误差均匀界限(UB)。仿真结果验证了所提出的识别和控制策略可以实现有利的控制性能。

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