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参数不确定离散时变时滞系统的鲁棒H∞滤波

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摘要 本文主要是将H∞性能指标引入到凸多面体不确定离散时变时滞系统中,并研究基于这一指标的滤波器设计问题。在此系统中,通过构造Lyapunov-Kra-sovkii函数,利用Schur补性质,基于线性矩阵不等式,得到了渐进稳定的H∞滤波器滤波误差动态系统。在此类不确定系统的鲁棒H∞滤波器设计中,我们给出了滤波器存在的充分条件,而这一过程中求解凸优化的问题是关键。如果外界扰动信号能量有界,我们能保证所设计的滤波误差系统的H∞性能指标小于一定值。数值算例验证了所提出算法的可行性和有效性。
出处 《科技传播》 2013年第1期108-109,111,共3页 Public Communication of Science & Technology
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参考文献8

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