Journal
AUTOMATICA
Volume 74, Issue -, Pages 30-37Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2016.07.010
Keywords
Consensus; Multi-agent systems; Mismatched disturbances; Sliding-mode control; Disturbance observer based control
Funding
- National Natural Science Foundation of China [61473080, 61503078]
- Natural Science Foundation of Jiangsu Province [BK20150626]
- China Postdoctoral Science Foundation [2015M570398, 2016T90407]
- Fundamental Research Funds for the Central Universities [2242016K41013]
- CRCG HICU [201411159139]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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Different from most of the existing literature on anti-disturbance control for multi-agent systems with only matched disturbances, in this paper, the output consensus control problem of homogeneous higher-order integrator-chain multi-agent systems with mismatched disturbances is investigated. Such a problem is solved by using a distributed active anti-disturbance cooperative control scheme, which combines sliding-mode control (SMC) and disturbance observer based control (DOBC) approaches together. First, a disturbance observer is constructed for each agent to estimate its mismatched/matched disturbances. Second, for each agent, by employing its own and neighbors' mismatched disturbances estimates, dynamic sliding-mode surfaces are designed for leaderless and leader follower cases, respectively. Third, based on the designed surfaces, composite sliding-mode consensus protocols are proposed for both cases, which guarantee output consensus of the agents with mismatched disturbances. Simulation results on a cooperative attack control example of multi-missile systems illustrate the effectiveness of the proposed consensus algorithms. (C) 2016 Elsevier Ltd. All rights reserved.
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