Conference paper

A methodology for the construction of scheduled systems

We study a methodology for constructing scheduled systems by restricting successively the behavior of the processes to be scheduled. Restriction is used to guarantee the satisfaction of two types of constraints: schedulability constraints characterizing timing properties of the processes, and constraints characterizing particular scheduling algorithms including process priorities, non-idling, and preemption. The methodology is based on a controller synthesis paradigm. The main results deal with the characterization of scheduling policies as safety constraints and the simplification of the synthesis process by applying a composability principle

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