Distributed output-feedback leader-following consensus of nonlinear multiagent systems

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

Automatica Pub Date : 2025-04-06 DOI:10.1016/j.automatica.2025.112281

Jixing Lv , Changhong Wang , Lihua Xie

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引用次数: 0

Abstract

This paper addresses the leader-following consensus problem of a class of strict-feedback nonlinear multiagent systems under undirected follower networks. The leader and the followers are subject to additive input and external disturbances, respectively. A hierarchical output-feedback strategy is proposed, which can be implemented in a fully distributed manner in the sense that neither the Laplacian matrix eigenvalues nor the leader’s input bound are required. Firstly, a novel fully distributed observer is introduced to reconstruct the leader’s state and unknown input in a user-prescribed finite time, requiring only the leader’s output to be available to its neighboring followers. Utilizing the estimated information, a local observer-based output-feedback control protocol is then designed to achieve the state consensus. Subsequently, the robustness of the strategy to measurement noise is analyzed. The proposed strategy advances existing output-feedback fully distributed results in two significant aspects: (1) it is suitable for the scenarios where the leader’s state/observer information is not available to any follower and only the leader’s output can be obtained by its neighboring followers; (2) the state consensus is achieved in a user-prescribed finite time. Finally, simulation results are provided to validate the efficacy of the proposed consensus approach.

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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.