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首页> 外文期刊>Advances in Mechanical Engineering >Adaptive anti-disturbance tracking control for nonlinear system with unknown control coefficient:
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Adaptive anti-disturbance tracking control for nonlinear system with unknown control coefficient:

机译:控制系数未知的非线性系统的自适应抗干扰跟踪控制:

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摘要

The tracking control problem for nonlinear system with unknown control coefficient and external disturbances is investigated in this article. By inspiring extended state observer and K filter, a novel extended state filter is first developed for state and disturbance observations. Then, by means of backstepping approach, an adaptive composite output feedback controller is constructed based on the state and disturbance estimations. The stability analysis is presented on the basis of the Lyapunov stability method. Finally, a numerical example is presented to demonstrate the effectiveness of the proposed control approach.
机译:研究了具有未知控制系数和外部干扰的非线性系统的跟踪控制问题。通过激发扩展状态观测器和K滤波器,首先开发了一种新颖的扩展状态滤波器,用于状态和干扰观测。然后,通过反步法,基于状态和扰动估计值构建自适应复合输出反馈控制器。稳定性分析是基于Lyapunov稳定性方法进行的。最后,给出了一个数值例子来说明所提出的控制方法的有效性。

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