Dynamic resolution in distributed cyber-physical system simulation

Authors:
Dylan Pfeifer;Andreas Gerstlauer;Jonathan Valvano
Affiliations:
The University of Texas at Austin, Austin, TX, USA;The University of Texas at Austin, Austin, TX, USA;The University of Texas at Austin, Austin, TX, USA
Venue:
Proceedings of the 2013 ACM SIGSIM conference on Principles of advanced discrete simulation
Year:
2013

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Abstract

Cyber-physical systems challenge distributed simulation techniques for reasons of the heterogeneous tools used to model system components at different levels of abstraction, each with potentially different notions of time. The SimConnect and SimTalk distributed cyber-physical system simulation tools meet the synchronization challenge of distributed simulation, but also offer dynamic resolution among coordinated simulators for tradeoffs in simulation speed versus accuracy. This paper discusses the dynamic resolution capabilities of SimConnect and SimTalk, and evaluates the tools in distributed simulation of a closed-loop motor control system. Results show selectable tradeoffs in speedup versus accuracy over non-dynamic coordination.