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Event-Triggered Real-Time Scheduling of Stabilizing Control Tasks

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1 Author(s)
Tabuada, P. ; California Univ., Los Angeles

In this note, we revisit the problem of scheduling stabilizing control tasks on embedded processors. We start from the paradigm that a real-time scheduler could be regarded as a feedback controller that decides which task is executed at any given instant. This controller has for objective guaranteeing that (control unrelated) software tasks meet their deadlines and that stabilizing control tasks asymptotically stabilize the plant. We investigate a simple event-triggered scheduler based on this feedback paradigm and show how it leads to guaranteed performance thus relaxing the more traditional periodic execution requirements.

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Automatic Control, IEEE Transactions on  (Volume:52 ,  Issue: 9 )