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Optimal stopping for event-triggered sensing and actuation
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
KTH, School of Electrical Engineering (EES), Automatic Control.
2008 (English)In: Proceedings of the 47th IEEE Conference on Decision and Control, IEEE , 2008, 3607-3612 p.Conference paper (Refereed)
Abstract [en]

Novel event-triggered sensing and actuation strategies are presented for networked control systems with limited communication resources. Two architectures are considered: one with the controller co-located with the sensor and one with the control co-located with the actuator. A stochastic control problem with an optimal stopping rule is shown to capture two interesting instances of these architectures. The solution of the problem leads to a parametrization of the control alphabet as piecewise constant commands. The execution of the control commands is triggered by stopping rules for the sensor. In simple situations, it is possible to analytically derive the optimal controller. Examples illustrate how the new event-based control and sensing strategies outperform conventional time-triggered schemes.

Place, publisher, year, edition, pages
IEEE , 2008. 3607-3612 p.
, IEEE Conference on Decision and Control, ISSN 0191-2216
Keyword [en]
Actuators, Communication system control, Control systems, Optimal control, Process control, Sampling methods, Signal processing, Signal sampling, Stochastic processes, White noise
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-80709DOI: 10.1109/CDC.2008.4739489ISI: 000307311603122ScopusID: 2-s2.0-62949248472ISBN: 978-1-4244-3124-3OAI: diva2:496658
IEEE CDC, Cancun, Mexico, Dec. 9-11, 2008

© 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Qc 20120220

Available from: 2012-02-20 Created: 2012-02-10 Last updated: 2013-05-28Bibliographically approved

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