An architecture to tame simulation time tardiness in ADS

Authors:
Pier-Giovanni Taranti;Carlos J. P. de Lucena;Ricardo Choren
Affiliations:
PUC-Rio, Rio de Janeiro/RJ, Brazil;PUC-Rio, Rio de Janeiro/RJ, Brazil;SE - IME, Rio de Janeiro/RJ, Brazil
Venue:
Proceedings of the 2011 Workshop on Agent-Directed Simulation
Year:
2011

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Abstract

Time advance control in simulations is usually performed in two different ways: next-event and time-step. Time-step advance is challenging when combined with an agent-centered simulation design approach. In such approach, each agent can control the execution of its actions, according to its perception of the simulation time advance. In this situation, the tardiness in computing new states can lead the overall simulation to an inconsistent state. This paper presents an architecture that provides a distributed time-step control approach for action execution in agent-centered simulations. The approach provides a central simulation clock and a mechanism to tame tardiness at run-time. This paper discusses the implementation of the proposed architecture and shows simple examples of its application.