首页|Recursive Filtering for Stochastic Systems With Filter-and-Forward Successive Relays

Recursive Filtering for Stochastic Systems With Filter-and-Forward Successive Relays

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In this paper,the recursive filtering problem is con-sidered for stochastic systems over filter-and-forward successive relay(FFSR)networks.An FFSR is located between the sensor and the remote filter to forward the measurement.In the succes-sive relay,two cooperative relay nodes are adopted to forward the signals alternatively,thereby existing switching characteristics and inter-relay interferences(IRI).Since the filter-and-forward scheme is employed,the signal received by the relay is retrans-mitted after it passes through a linear filter.The objective of the paper is to concurrently design optimal recursive filters for FFSR and stochastic systems against switching characteristics and IRI of relays.First,a uniform measurement model is proposed by analyzing the transmission mechanism of FFSR.Then,novel fil-ter structures with switching parameters are constructed for both FFSR and stochastic systems.With the help of the inductive method,filtering error covariances are presented in the form of coupled difference equations.Next,the desired filter gain matri-ces are further obtained by minimizing the trace of filtering error covariances.Moreover,the stability performance of the filtering algorithm is analyzed where the uniform bound is guaranteed on the filtering error covariance.Finally,the effectiveness of the pro-posed filtering method over FFSR is verified by a three-order resistance-inductance-capacitance circuit system.

Filter-and-forward successive relay(FFSR)recur-sive filteringrelay networkstochastic systemtime-varying system

Hailong Tan、Bo Shen、Qi Li、Hongjian Liu

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School of Mathematics-Physics and Finance,Anhui Polytechnic University

Anhui Future Technology Research Institute,Anhui Polytechnic University,Wuhu 241000,China

College of Information Science and Technology,Donghua University

Engineering Research Center of Digitalized Textile and Fashion Technology,Ministry of Education,Shanghai 201620,China

School of Information Science and Engineering,Hangzhou Normal University,Hangzhou 311121,China

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国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金安徽省自然科学基金浙江省自然科学基金Science and Technology Plan of Wuhu CityAnhui Polytechnic University Youth Top-Notch Talent Support ProgramAnhui Polytechnic University High-End Equipment Intelligent Control Innovation TeamAnhui Future Technology Research Institute FoundationAnhui Future Technology Research Institute Foundation

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2024

10.1109/JAS.2023.124110

自动化学报(英文版)
中国自动化学会,中国科学院自动化研究所,中国科技出版传媒股份有限公司

自动化学报(英文版)

CSTPCDEI
ISSN：2329-9266
年,卷(期)：2024.11(5)
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