Journal
IEEE TRANSACTIONS ON CYBERNETICS
Volume 49, Issue 6, Pages 2268-2279Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2018.2823362
Keywords
Event-triggered; H-infinity consensus; linear heterogeneous multiagent systems (LHMAS); output feedback control; periodic event-triggered; Zeno-behavior
Categories
Funding
- National Natural Science Foundation of China [61433004, 61627809, 61621004]
- IAPA Fundamental Research Funds [2013ZCX14]
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In this paper, the H-infinity consensus problem for linear heterogeneous multiagent systems (LHMAS) based on event-triggered output feedback control is investigated. Two novel event-triggered control schemes including nonperiodic and periodic event-triggered control approaches are provided to make the LHMAS with external unknown disturbance achieve H-infinity consensus. Therein, the nonperiodic event-triggered control method is designed by combining the event-triggered approach with time-triggered scheme, which can make the sampled instants be decided by the event-triggered condition and provide a fixed lower bound of sampled interval to avoid the Zeno-behavior. Then, based on this approach, the periodic event-triggered control scheme has a further improvement that only the information at fixed periodic interval is used for the event-triggered condition, which means that this method avoids the continuous-time information transfer. Besides, both schemes take output feedback control, which means that only the output information of each agent and leader is needed in this paper. Finally, a numerical example is given to support our results.
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