Quality-of-Control Management in Overloaded Real-Time Systems

  title={Quality-of-Control Management in Overloaded Real-Time Systems},
  author={Giorgio C. Buttazzo and Manel Velasco and Pau Mart{\'i}},
  journal={IEEE Transactions on Computers},
Transient overload conditions may cause unpredictable performance degradations in computer controlled systems if not properly handled. To prevent such problems, a common technique adopted in periodic task systems is to reduce the workload by enlarging activation periods. In a digital controller, however, the variation applied on the task period also affects the control law, which needs to be recomputed for the new activation rate. If computing a new control law requires too much time to be… CONTINUE READING
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