Analyzing a Pattern-Based Model of a Real-Time Turntable System
Electronic Notes in Theoretical Computer Science (ENTCS)
Modeling and Verification for Timing Satisfaction of Fault-Tolerant Systems with Finiteness
DS-RT '09 Proceedings of the 2009 13th IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications
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COMDES-II is a component-based software framework intended for model-integrated development of embedded control systems with hard real-time constraints. It provides various kinds of component models to address critical domain-specific issues, such as real-time concurrency and communication in a timed multitasking environment, modal continuous operation combining reactive control behavior with continuous data processing, etc., by following the principle of separation-of-concerns. In the paper we pesent a transformational approach to the formal verification of both timing and reactive behaviors of COMDES-II systems using UPPAAL, based on a semantic anchoring methodology. The proposed approach adopts UPPAAL timed automata as the semantic units, to which different behavioral concerns of COMDES-II are anchored, such that a COMDES-II system can be precisely specified in UPPAAL, and verified against a set of desired requirements with the preservation of system original operation semantics.