期刊
APPLIED MATHEMATICS AND COMPUTATION
卷 413, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amc.2021.126636
关键词
Non-smooth; Discrete-time consensus protocol; Multi-agent systems; Super-twisting; Disturbance observer
资金
- National Natural Science Foundation of China [62073113, 62003122, 61673153]
- Natural Science Foundation of Anhui Province of China [2008085UD03, 1808085MF180]
- Fundamental Research Funds for the Central Universities of China [PA2020GDKC0016]
This paper investigates the consensus problems of first-order leaderless multiagent systems with external disturbance and proposes a robust consensus protocol and disturbance observer to enhance system robustness and disturbance rejection. Finally, a discrete-time disturbance rejection control consensus protocol is obtained by combining the proposed methods, which is validated by simulation results.
In this paper, we firstly consider the consensus problems of first-order leaderless multiagent systems with external disturbance. Then, we propose a robust discrete-time non-smooth (RDTNS) consensus protocol, which makes agents reach consensus within a region. Besides, we design a disturbance observer based on the discrete-time super-twisting algorithm (DTSTA), which can improve the disturbance rejection ability and decrease the consensus error for the multi-agent systems. At last, we get a robust discrete-time disturbance rejection control consensus protocol by combining the RDTNS consensus protocol with the discrete-time super-twisting observer (DTSTO). The simulation results verify the effectiveness of the proposed method. (C) 2021 Elsevier Inc. All rights reserved.
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