Distributed state estimation for heterogeneous sensor networks

IF 4.8 2区计算机科学 Q1 AUTOMATION & CONTROL SYSTEMS

Automatica Pub Date : 2024-08-09 DOI:10.1016/j.automatica.2024.111839

引用次数: 0

Abstract

This paper addresses distributed state estimation in a peer-to-peer heterogeneous sensor network characterized by varying qualities of local estimators. The proposed approach employs weighted Kullback–Leibler average of local posteriors, considering both average consensus and distributed flooding protocols to efficiently disseminate information throughout the network. Our consensus and flooding methods extend communication and fusion to include designed local weighting factors. In addition, we present a unified framework for flooding, tailored to accommodate networks with arbitrarily limited communication bandwidth. By applying these methods to average local posteriors, we derive consensus-based and flooding-based distributed state estimators. Stability of the proposed estimators is analyzed for linear systems under network connectivity and system observability. Finally, simulation results demonstrate the effectiveness of the proposed approach.

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异构传感器网络的分布式状态估计

本文论述了点对点异构传感器网络中的分布式状态估计，该网络的特点是本地估计器的质量各不相同。所提出的方法采用了本地后验的加权库尔巴克-莱布勒平均值，同时考虑了平均共识和分布式泛洪协议，以便在整个网络中有效地传播信息。我们的共识和泛洪方法将通信和融合扩展到了设计的本地加权因子。此外，我们还提出了一个统一的泛洪框架，以适应通信带宽任意有限的网络。通过将这些方法应用于平均局部后验，我们得出了基于共识和基于泛洪的分布式状态估计器。在网络连通性和系统可观测性条件下，对线性系统分析了所提出的估计器的稳定性。最后，模拟结果证明了所提方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Automatica 工程技术-工程：电子与电气

CiteScore

10.70

自引率

7.80%

发文量

617

审稿时长

5 months

期刊介绍： Automatica is a leading archival publication in the field of systems and control. The field encompasses today a broad set of areas and topics, and is thriving not only within itself but also in terms of its impact on other fields, such as communications, computers, biology, energy and economics. Since its inception in 1963, Automatica has kept abreast with the evolution of the field over the years, and has emerged as a leading publication driving the trends in the field. After being founded in 1963, Automatica became a journal of the International Federation of Automatic Control (IFAC) in 1969. It features a characteristic blend of theoretical and applied papers of archival, lasting value, reporting cutting edge research results by authors across the globe. It features articles in distinct categories, including regular, brief and survey papers, technical communiqués, correspondence items, as well as reviews on published books of interest to the readership. It occasionally publishes special issues on emerging new topics or established mature topics of interest to a broad audience. Automatica solicits original high-quality contributions in all the categories listed above, and in all areas of systems and control interpreted in a broad sense and evolving constantly. They may be submitted directly to a subject editor or to the Editor-in-Chief if not sure about the subject area. Editorial procedures in place assure careful, fair, and prompt handling of all submitted articles. Accepted papers appear in the journal in the shortest time feasible given production time constraints.

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