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Title: Optimal control for real-time feedback rate-monotonic schedulers
Authors: Ayav, Tolga
Ferrari-Trecate, Giancarlo
Keywords: Feedback control
Rate-monotonic schedulers
Integral compensation
Real time systems
Optimal control systems
Issue Date: 2005
Publisher: Springer Verlag
Source: Ayav, T., and Ferrari-Trecate, G. (2005). Optimal control for real-time feedback rate-monotonic schedulers. Lecture Notes in Computer Science, 3733 LNCS, 894-903. doi:10.1007/11569596_91
Abstract: This paper presents an optimal control scheme for a real-time feedback control rate-monotonic scheduling (FC-RMS) system. We consider two-version tasks composed of a mandatory and an optional part to be scheduled according to the FC-RMS. In FC-RMS, the controller provides a feedback strategy for deciding about the execution or rejection of the optional sub-tasks. By modeling the task execution times as random variables, we first find the statistical model of FC-RMS and then we design a pure optimal controller and an optimal controller with feedforward integral compensation. The comparison of these two schemes with common Proportional-Integral-Derivative (PID) controller highlights the benefit of the optimal scheme with integral compensation. The results are demonstrated through the real implementation of FC-RMS on RT-Linux.
ISBN: 9783540294146
ISSN: 0302-9743
Appears in Collections:Computer Engineering / Bilgisayar Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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