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首页> 外文会议>IEEE Conference on Decision and Control >Robust Adaptive Output Feedback Control of a Class of Discrete-Time Nonlinear Systems Perturbed by Nonlinear Uncertainties
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Robust Adaptive Output Feedback Control of a Class of Discrete-Time Nonlinear Systems Perturbed by Nonlinear Uncertainties

机译：由非线性不确定性扰乱的一类离散时间非线性系统的鲁棒自适应输出反馈控制

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摘要

In this paper, robust adaptive output feedback control is studied for a class of discrete-time nonlinear systems in output-feedback form perturbed by a class of functional nonlinear uncertainties of Lipschitz type. To construct output feedback control, the system is transformed into the form of nonlinear-auto-regressive-moving-average (NARMA), a novel future output prediction is designed based on the NARMA model. With employment of the predicted future outputs, a constructive output feedback adaptive control is proposed with estimates of both parametric and functional nonlinear uncertainties. In the closed-loop system, the effect of the nonlinear uncertainties are completely compensated for such that the exact output tracking is achieved, while other closed-loop signals are guaranteed to be bounded. Simulation results are presented to show the effectiveness of the proposed approach.
机译：本文研究了鲁棒的自适应输出反馈控制，研究了一类嘴尖型功能非线性不确定性的输出反馈形式的一类离散时间非线性系统。为了构建输出反馈控制，系统被转换为非线性自动回归移动平均（NARMA）的形式，这是基于Narma模型设计的新颖的未来输出预测。利用预测的未来输出的就业，提出了一种建设性输出反馈自适应控制，其估计是参数和功能非线性不确定性的估计。在闭环系统中，完全补偿非线性不确定性的效果，从而实现精确输出跟踪，而其他闭环信号被保证被界定。提出了仿真结果表明了所提出的方法的有效性。

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