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Modeling Decentralized Real-Time Control by State Space Partition of Timed Automata
Montreal, Canada October 10-October 11
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/DISTRA.2005.28Ninth IEEE International Symposium on ...
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Thanikesavan Sivanthi, Department of Communication Networks Hamburg University of Technology Schwarzenberg Strasse, BA 4d, D - 21073, Germany
Srivas Chennu, Department of Communication Networks Hamburg University of Technology Schwarzenberg Strasse, BA 4d, D - 21073, Germany
Lothar Kreft, Department of Communication Networks Hamburg University of Technology Schwarzenberg Strasse, BA 4d, D - 21073, Germany

Timed automata provide useful state machine based representations for the validation and verification of realtime control systems. This paper introduces an algorithmic methodology to translate the state space visualization of a centralized real-time control system to a decentralized one. Given a set of timed automata representing a centralized real-time control system, the algorithm partitions them into a collection of interacting submachines. Importantly, this methodology allows for model-checking of the derived decentralized system against the same set of verifications as that speci?ed for the centralized system. The complexity analysis of the algorithm is presented as a function of the number of tasks and nodes comprising the decentralized system.

Citation:
Thanikesavan Sivanthi, Srivas Chennu, Lothar Kreft, "Modeling Decentralized Real-Time Control by State Space Partition of Timed Automata," ds-rt, pp.229-235, Ninth IEEE International Symposium on Distributed Simulation and Real-Time Applications, 2005
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