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首页> 外文期刊>International Journal of Innovative Computing Information and Control >A DESCRIPTOR SYSTEM APPROACH TO l_2 - l_∞ FILTERING FOR UNCERTAIN DISCRETE-TIME SWITCHED SYSTEM WITH MODE-DEPENDENT TIME-VARYING DELAYS
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A DESCRIPTOR SYSTEM APPROACH TO l_2 - l_∞ FILTERING FOR UNCERTAIN DISCRETE-TIME SWITCHED SYSTEM WITH MODE-DEPENDENT TIME-VARYING DELAYS

机译：具有模式相关时变时滞的不确定离散切换系统的l_2-l_∞滤波描述系统

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摘要

The problem of l_2 - l_∞ filtering for uncertain discrete-time switched systems with mode-dependent time-varying delays is investigated in this paper. The switched system under consideration is subject to time-varying norm-bounded parameter uncertainties in both the state, measured output matrices and estimated signal. Attention is focused on the design of a filter, which guarantees the asymptotical stability of the filtering error system and reduces the effect of the disturbance input on the filtering error system to a prescribed level for all admissible uncertainties. By resorting to a descriptor system approach, some delay-dependent sufficient conditions are presented in terms of linear matrix inequalities (LMIs). A numerical example is provided to demonstrate the effectiveness of the proposed algorithms.
机译：研究了具有模式相关时变时滞的不确定离散时间切换系统的l_2-l_∞滤波问题。所考虑的开关系统在状态，测得的输出矩阵和估计的信号中都受到时变范数界参数不确定性的影响。注意集中在滤波器的设计上，滤波器的设计保证了滤波误差系统的渐近稳定性，并且将所有误差允许范围内的干扰输入对滤波误差系统的影响降低到规定水平。通过采用描述符系统方法，就线性矩阵不等式（LMI）提出了一些依赖于延迟的充分条件。数值例子说明了所提出算法的有效性。

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