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Entropy 2013, 15(4), 1311-1323; doi:10.3390/e15041311
Article

Resilient Minimum Entropy Filter Design for Non-Gaussian Stochastic Systems

1,* , 2
 and 1
Received: 1 March 2013; in revised form: 27 March 2013 / Accepted: 2 April 2013 / Published: 10 April 2013
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Abstract: In this paper, the resilient minimum entropy filter problem is investigated for the stochastic systems with non-Gaussian disturbances. The goal of designing the filter is to guarantee that the entropy of the estimation error is monotonically decreasing, moreover, the error system is exponentially ultimately bounded in the mean square. Based on the entropy performance function, a filter gain updating algorithm is presented to make the entropy decrease at every sampling instant k. Then the boundedness of the gain updating law is analyzed using the kernel density estimation technique. Furthermore, a suboptimal resilient filter gain is designed in terms of LMI. Finally, a simulation example is given to show the effectiveness of the proposed results.
Keywords: entropy decreasing; non-Gaussian systems; stochastic filtering; resilient filter gain; stochastic stability entropy decreasing; non-Gaussian systems; stochastic filtering; resilient filter gain; stochastic stability
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Wang, Y.; Wang, H.; Guo, L. Resilient Minimum Entropy Filter Design for Non-Gaussian Stochastic Systems. Entropy 2013, 15, 1311-1323.

AMA Style

Wang Y, Wang H, Guo L. Resilient Minimum Entropy Filter Design for Non-Gaussian Stochastic Systems. Entropy. 2013; 15(4):1311-1323.

Chicago/Turabian Style

Wang, Yan; Wang, Hong; Guo, Lei. 2013. "Resilient Minimum Entropy Filter Design for Non-Gaussian Stochastic Systems." Entropy 15, no. 4: 1311-1323.


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