Real-Time Systems: Design Principles for Distributed Embedded Applications
Real-Time Systems: Design Principles for Distributed Embedded Applications
Design Optimization of Time-and Cost-Constrained Fault-Tolerant Distributed Embedded Systems
Proceedings of the conference on Design, Automation and Test in Europe - Volume 2
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This paper demonstrates that the fault tolerance of distributed control systems (DCSs) can be improved by scheduling of processes representing functional segments with guaranteed operation of the mechanisms of process reexecution and parallel execution based on checkpoints. Moreover, we suggest the methodological approach to assessing the fault tolerance level of DCSs, which proceeds from the probabilistic modeling of systems having the time triggered architecture (TTA). Finally, we derive numerical formulas for qualitative and quantitative estimation of the fault tolerance level for different modifications of DCSs at the design stage.