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Threshold Optimization of Event-Triggered Multi-Loop Control Systems
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. Univ Paderborn.ORCID-id: 0000-0003-4733-2240
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik.
2016 (Engelska)Ingår i: 2016 13TH INTERNATIONAL WORKSHOP ON DISCRETE EVENT SYSTEMS (WODES), IEEE conference proceedings, 2016, s. 203-210Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

This paper considers multiple linear stochastic control systems whose feedback loops are closed over a shared communication medium. A threshold-based event-triggering rule is used to transmit control commands from the controllers to the actuators, and network access is arbitrated using a static priority mechanism. Under these conditions, we study deadbeat control laws and compute the expected linear-quadratic loss of the closed-loop system as a function of the event-thresholds of the individual loops. Also, we present analytical expressions that quantify the trade-off between the communication cost and the control performance of such event-triggered control systems. Using a multi-dimensional exhaustive search method, we determine the set of event thresholds that attains the minimal expected linear-quadratic loss of the closed-loop systems. Simulation studies highlight the trade-off between the communication and control cost.

Ort, förlag, år, upplaga, sidor
IEEE conference proceedings, 2016. s. 203-210
Serie
International Workshop on Discrete Event Systems, ISSN 1550-5227
Nyckelord [en]
Event-triggered control, Deadbeat control, Shared communication channel
Nationell ämneskategori
Reglerteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-193851ISI: 000382860200032Scopus ID: 2-s2.0-84981306039ISBN: 978-1-5090-4190-9 (tryckt)OAI: oai:DiVA.org:kth-193851DiVA, id: diva2:1034231
Konferens
13th International Workshop on Discrete Event Systems (WODES), MAY 30-JUN 01, 2016, Xian, PEOPLES R CHINA
Anmärkning

QC 20161011

Tillgänglig från: 2016-10-11 Skapad: 2016-10-11 Senast uppdaterad: 2016-10-11Bibliografiskt granskad

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Scopushttp://wodes2016.diee.unica.it/home1-9-2.html

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