Output sign‐consensus of heterogeneous multiagent systems over fixed and switching signed graphs

Jiang, Huidi; Zhang, Hongwei

doi:10.1002/rnc.4865

Cited by 13 publications

(12 citation statements)

References 34 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Theorem 2. Consider system ( 1) and ( 2) with control law ( 3), ( 4), (11), (20), and (21). Suppose Assumptions 1 and 2 hold, and the regulator equations ( 12) are solvable.…”

Section: Design Of a Measurement Output Feedback Controllermentioning

confidence: 99%

“…However, it is worthy to note that most of multiagent systems are intrinsically heterogeneous, which allows dynamics of agents to be distinct. For heterogeneous multiagent systems, a very recent work 21 shows that the output of every agent can achieve sign-consensus, namely, output sign-consensus.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, for practical applications, ideal control laws should be distributed, that is, only local information can be utilized by each agent. Nonetheless, most works of heterogeneous multiagent systems assume that all agents can directly get the dynamics of the exosystem, 21,22 which is inherently a kind of global information and is usually unavailable in practical circumstances. Thus, some works aim at removing this global information by introducing suitable observers.…”

Section: Introductionmentioning

confidence: 99%

“…A distributed observer is designed for each follower agent which provides the estimation of exosystem's dynamics and signals. We consider both fixed graph topologies and a specific class of time-varying graph topologies, called jointly eventually positive graphs, 21 which is similar to joint connectivity, 3 by further taking dwell time into account. Partial results have been presented at the 21st IFAC World Congress.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Output sign‐consensus of heterogeneous multiagent systems over fixed and switching signed graphs: An observer‐based approach

Sun

Zhang

Lewis³

2021

Intl J Robust & Nonlinear

Self Cite

View full text Add to dashboard Cite

This article studies output sign-consensus of heterogeneous multiagent systems, that is, outputs of all agents will eventually have the same sign. Both fixed and switching signed graphs are treated. To remove the restriction that every follower node needs to know the dynamics of the leader node, a distributed observer is maintained by each follower node, such that the state and dynamics of the leader node is estimated. Moreover, the communication graph is allowed to be structurally unbalanced and time-varying. Then distributed state feedback control law and measurement output feedback control law are designed and analyzed.Simulation examples are presented to illustrate the effectiveness of the proposed control laws.

show abstract

“…Theorem 2. Consider system ( 1) and ( 2) with control law ( 3), ( 4), (11), (20), and (21). Suppose Assumptions 1 and 2 hold, and the regulator equations ( 12) are solvable.…”

Section: Design Of a Measurement Output Feedback Controllermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Output sign‐consensus of heterogeneous multiagent systems over fixed and switching signed graphs: An observer‐based approach

Sun

Zhang

Lewis³

2021

Intl J Robust & Nonlinear

Self Cite

View full text Add to dashboard Cite

show abstract

“…Its aim is to design a controller such that all states or outputs of agents in multiagent systems converge to a common value. Some published results on the synchronization have been displayed in References 1‐11, just to name a few. These results were obtained based on a common hypothesis that there exists a safe data exchange between agents via a shared network.…”

Section: Introductionmentioning

confidence: 99%

Event‐triggered output synchronization for nonhomogeneous agent systems with periodic denial‐of‐service attacks

Fang

Pan

et al. 2020

Intl J Robust & Nonlinear

129

View full text Add to dashboard Cite

Summary This article presents a two‐layered framework to investigate the output synchronization problem in nonhomogeneous agent systems in the presence of periodic energy‐limited denial‐of‐service (DoS) attacks with an event‐triggered control strategy. Under the developed framework, the proposed controller for different agents is composed of a dynamic compensator and a regulator, where the dynamic compensator on the first layer can copy the dynamics of the leader node. DoS attacks with a periodic (partially known) attack strategy are based on a time sequence and interrupt the data exchange over a shard network consisting of the leader node and dynamic compensators in the first layer. An event‐triggered control protocol is proposed to reduce the update frequency of the controller, and it also ensures that the output of every dynamic compensator can track the output of the leader node without occurring “Zeno phenomenon.” Based on the output regulator theory, the regulator for every agent can guarantee that all nonhomogeneous agents can converge to the trajectory of every dynamic compensator in the bottom layer. Finally, a simulation example is demonstrated to verify the new design method developed.

show abstract

Effect of dwell time on consensus in multiagent systems with time‐varying topologies

Chen,

Yu,

Liu

et al. 2024

Asian Journal of Control

View full text Add to dashboard Cite

This paper studies the effect of dwell time on consensus of high‐order multiagent systems with time‐varying topologies. In contrast to existing literature that only focuses on the convergence of consensus, the proposed work focuses on the sensitivity of consensus on the dwell time and studies its relationship with consensus behaviors. In particular, it is shown that dwell time determines the duration of agent interactions, resulting in different state dynamics, consensus values, and convergence speeds under different switching topologies. Such effects can impact the dynamical performance of the multiagent systems. To quantitatively analyze the effect, a procedure is proposed to estimate the consensus values with respect to the dwell time and switching topologies, and a condition is obtained to find the topologies that can speed up the convergence. The proposed study is applied to the regulation of microgrids, which proves to be effective in improving the performance and efficiency of controllers.

show abstract

Output sign‐consensus of heterogeneous multiagent systems over fixed and switching signed graphs

Cited by 13 publications

References 34 publications

Output sign‐consensus of heterogeneous multiagent systems over fixed and switching signed graphs: An observer‐based approach

Output sign‐consensus of heterogeneous multiagent systems over fixed and switching signed graphs: An observer‐based approach

Event‐triggered output synchronization for nonhomogeneous agent systems with periodic denial‐of‐service attacks

Effect of dwell time on consensus in multiagent systems with time‐varying topologies

Contact Info

Product

Resources

About