Multi-agent Network Model Research Articles

Micro‐macro dynamics of the online opinion evolution: An asynchronous network model approach

SummaryThis article investigates the complex relationship between endogenous and exogenous, deterministic and stochastic stimulating factors in public opinion dynamics. An asynchronous multiagent network model is proposed to explore the interaction mechanism between individual opinions and the public opinion in online multiagent network community, including both the micro and the macro patterns of opinion evolution. In addition, based on random network models, a novel algorithm is provided for opinion evolution prediction. The model property analysis and numerical experiments show that the proposed asynchronous multiagent network model can assimilate and explain some interesting phenomena that are observed in the real world. Further case studies with numerical simulation and real‐world applications confirm the feasibility and flexibility of the proposed model in public opinion analysis. The results challenge the common perception that mass media or opinion facilitators play the fundamental role in controlling the development trends of public opinion. This study shows that the formation and evolution of public opinion in the presence of opinion leaders depend also on an individual's emotional inertia and conformity pressures from peers in the same topic group.

A distributed event‐triggered scheme for discrete‐time multi‐agent consensus with communication delays

This study mainly investigates the event-triggered data transmission in discrete-time multi-agent consensus problem with communication delays. A new distributed event-triggered scheme is proposed for the considered multi-agent network model. An action of the agent is triggered by an `event' which is a well-defined condition on the system state. For the proposed event-triggered protocol, the authors prove that the multi-agent network will achieve consensus asymptotically. Numerical examples are provided to demonstrate the effectiveness of the obtained theoretical results.

Организация мультиагентного параллельного проектирования изделий корпусной мебели в среде ВКБМ

Feasibility of establishing a virtual furniture design offices (VFDO) is analyzed, whose task is to develop within the prescribed period of complex design solutions, fully describing the process of manufacturing and production technology of furniture products for client enterprises. We consider the logical structure of VFDO presented in the form of a multi-agent network model (MANM), and the mechanisms of formation and functioning of the unified of controlled work environment of design.
 A number of advantages is marked over other types of MANM models of the design process of furniture.

Validating Agent Interactions in Construct Against Empirical Communication Networks Using the Calibrated Grounding Technique

Validating a computational model is important as it establishes that the model has met its intended purpose of representing the system under study. In this paper, we perform a validation study on Construct, a multiagent network model for the coevolution of agents and the sociocultural environments that they inhabit. In particular, we focus on validating agent interactions produced by the model against empirical communication networks collected in real-world organizations. Validation is performed using our novel calibrated grounding technique. Results show that Construct can produce valid agent interactions. The benefits and implications of the study are discussed.

Synchronization research of a modified time-delayed multi-agent network model

The synchronization of time-delayed multi-agent networks with connected and directed topology is studied. Based on the correlative work about the agent synchronization, a modified model is presented, in which each communication receiver is distributed a delay τ. In addition, a proportional term k is introduced to modulate the delay range and to guarantee the synchronization of each agent. Two new parameters mentioned above are only correlative to the network topology, and a theorem about their connections is derived by both frequency domain method and geometric method. Finally, the theoretical result is illustrated by numerical simulations.