Journal
IEEE TRANSACTIONS ON CYBERNETICS
Volume 50, Issue 7, Pages 2996-3008Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2019.2920093
Keywords
Multi-agent systems; Vehicle dynamics; Adaptive control; Measurement errors; Symmetric matrices; Protocols; Nonlinear dynamical systems; Adaptive control; consensus; dynamic event-triggered strategy; multiagent systems (MASs)
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Funding
- National Key Research and Development Program of China [2016YFB0303401]
- National Natural Science Foundation of China [61773163]
- Young Elite Scientists Sponsorship Program by CAST [2016QNRC001]
- Natural Science Foundation of Shanghai [17ZR1444600]
- Shanghai Rising-Star Program [18QA1401400]
- Fundamental Research Funds for the Central Universities [222201917006, 50321081916019]
- 111 Project [B17017]
- Australian Research Council [DP160103567]
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This paper is concerned with event-triggered consensus of general linear multiagent systems (MASs) in leaderless and leader-following networks, respectively, in the framework of adaptive control. A distributed dynamic event-triggered strategy is first proposed, in which an auxiliary parameter is introduced for each agent to regulate its threshold dynamically. The time-varying threshold ensures less triggering instants, compared with the traditional static one. Then under the proposed event-triggered strategy, a distributed adaptive consensus protocol is formed including the updating law of the coupling strength for each agent. Some criteria are derived to guarantee leaderless or leader-following consensus for MASs with general linear dynamics, respectively. Moreover, it is proved that the triggering time sequences do not exhibit Zeno behavior. Finally, the effectiveness of the proposed dynamic event-triggered control mechanism combined with adaptive control is validated by two examples.
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