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范数有界型参数不确定性系统的概率鲁棒H∞控制方法

DOI: 10.13195/j.kzyjc.2013.0532, PP. 1301-1305

Keywords: 范数有界,数不确定性,信概率,∞?,控制,率鲁棒性

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Abstract:

利用确定性鲁棒控制方法对参数摄动的最坏情况进行研究,设计出的控制器具有较大的保守性和较高的控制成本.针对这一问题,建立范数有界型参数不确定性系统模型,分析系统性能的置信概率与参数不确定性随机向量的范数边界之间的关系,提出一种基于概率估计的鲁棒H∞控制方法,该方法能以有限的迭代步数给出一个与系统性能置信概率相关的鲁棒H∞控制器的可行解.最后通过仿真实例验证了所提出方法的有效性.

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