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Bit-Rate Conditions for the Consensus of Quantized Multiagent Systems With Network-Induced Delays Based on Event
IEEE Transactions on Cybernetics
|April 26, 2019
Summary
This study establishes bit-rate conditions for unstable multiagent systems to achieve consensus using event-triggered communication, reducing data transmission needs and ensuring stability despite network delays.
Area of Science:
- Control Systems Engineering
- Networked Systems
- Distributed Systems
Background:
- Multiagent systems often face challenges with communication delays and resource limitations.
- Achieving consensus (agreement) in unstable systems is complex due to inherent system dynamics.
Purpose of the Study:
- To determine finite bit-rate conditions for guaranteeing consensus in unstable scalar multiagent systems.
- To develop an event-triggering strategy that conserves communication resources.
Main Methods:
- Implemented a periodic event-triggering scheme for state transmission.
- Utilized an internal saturation function to bound control inputs.
- Extracted information from packet receive times to reduce data payload.
Main Results:
- Guaranteed asymptotic consensus at a finite bit rate, even with network-induced delays.
- Achieved lower bit rates compared to time-triggered strategies.
- Bit-rate conditions are dependent on network delays, system instability, and topology.
Conclusions:
- The proposed event-triggering strategy effectively ensures consensus in unstable multiagent systems.
- The strategy offers communication efficiency by adapting to network conditions.
- The derived bit-rate conditions provide a theoretical basis for practical implementation.
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