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首页> 外文期刊>International Journal of Control >Continuous adaptive robust controllers guaranteeing uniform ultimate boundedness for uncertain nonlinear systems
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Continuous adaptive robust controllers guaranteeing uniform ultimate boundedness for uncertain nonlinear systems

机译:连续自适应鲁棒控制器确保不确定非线性系统的一致最终有界

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摘要

The problem of robust stabilization of non-linear systems with partially known uncertainties is considered. A class of continuous adaptive robust state feedback controllers which can guarantee uniform ultimate boundedness of the resultingclosed-loop systems in the presence of the uncertainties is proposed. In contrast with some results presented in the control literature, the adaptive law for updating the estimate values of the unknown parameters is continuous, and the existence of thesolutions to the resulting closed-loop systems in the usual sense can be guaranteed. Moreover, due to the continuity of the state feedback controller and adaptive law, the proposed adaptive robust state feedback controller is easily implemented inpractical robust control problems, and no chattering will appear in implementation for control. Finally, an illustrative example is given to demonstrate the utilization of the results.
机译:考虑了具有部分已知不确定性的非线性系统的鲁棒稳定问题。提出了一类连续的自适应鲁棒状态反馈控制器,该控制器能够在不确定性存在的情况下保证所产生的闭环系统的一致最终有界性。与控制文献中给出的一些结果相反,用于更新未知参数的估计值的自适应律是连续的,并且可以保证通常意义上的所得闭环系统解的存在。此外,由于状态反馈控制器和自适应律的连续性,所提出的自适应鲁棒状态反馈控制器很容易实现不实用的鲁棒控制问题,并且在实现控制时不会出现抖动。最后,给出一个说明性的例子来说明结果的利用。

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