Filter design for Markovian jump repeated scalar nonlinear systems

Filter design for Markovian jump repeated scalar nonlinear systems
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马尔可夫跳跃重复标量非线性系统的滤波器设计

DOI:
10.1016/j.jfranklin.2014.04.024
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发表时间:
2014-08
期刊:
Journal of the Franklin Institute
影响因子:
--
通讯作者:
Wu, Ligang
Wu, Ligang
中科院分区:
其他
文献类型:
--
作者:
Li, Fanbiao;Li, Fanbiao;Wu, Ligang;Wu, Ligang

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本文研究离散马尔可夫跳跃重复标量非线性系统的ℓ-2−ℓ∞滤波问题。我们的注意力集中在全阶和降阶滤波器的设计上,它们保证滤波误差系统在给定的加权ℓ2−ℓ∞性能下是随机稳定的。利用模式相关李雅普诺夫函数方法和正定对角占优李雅普诺夫函数方法,首次建立了保证马尔可夫跳跃重复标量非线性系统随机稳定且具有诱导ℓ2−ℓ∞干扰衰减性能的充分条件。将相应的全阶滤波器设计归结为一个凸优化问题,利用标准的数值算法可以有效地处理该问题。最后给出了一个数值算例,验证了所提方法的有效性。
This paper is concerned with the ℓ 2− ℓ∞ filtering problem for discrete-time Markovian jump repeated scalar nonlinear systems. Our attention is focused on the design of full-and reduced-order filters that guarantee the filtering error system to be stochastically stable with a prescribed weighted ℓ 2− ℓ∞ performance. By employing both the mode dependent Lyapunov function approach and the positive definite diagonally dominant Lyapunov function technique, a sufficient condition is firstly established, which guarantees the Markovian jump repeated scalar nonlinear system to be stochastically stable with an induced ℓ 2− ℓ∞ disturbance attenuation performance. The corresponding full-order filter design is cast into a convex optimization problem, which can be efficiently handled by using standard numerical algorithms. Finally, a numerical example is presented to show the effectiveness of the proposed methods.
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