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Event-based Switching for Sampled-data Output Feedback Control: Applications to Cascade and Feedforward Control
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control). KTH, School of Electrical Engineering and Computer Science (EECS), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2019 (English)In: Proceedings of the IEEE Conference on Decision and Control, Institute of Electrical and Electronics Engineers Inc. , 2019, p. 2592-2597Conference paper, Published paper (Refereed)
Abstract [en]

This paper studies sampled-data output feedback control where the states are monitored by multiple sensors. Asymptotic stability conditions for given sampling intervals for each sensor are derived. Based on these results, we then propose an event-based controller switching, in which one sensor transmits its measurement to the controller with a fixed sampling rate while another sensor transmits with a send-on-delta strategy. Such a set-up is motivated by the many potential cascade and feedforward control architectures in process industry, which could enhance performance if additional wireless sensors could be added without changing existing (wired) communication schedules. Asymptotic stability conditions of the switching event-based control systems are derived. Numerical examples illustrate how our framework reduces the effect of disturbances for both cascade and feedforward PI control systems. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2019. p. 2592-2597
Keywords [en]
Asymptotic stability, Controllers, Feedback control, Feedforward control, Two term control systems, Wireless sensor networks, Controller switching, Event-based control system, Feed-Forward, Multiple sensors, Sampling interval, Sampling rates, Send on deltas, Wireless sensor, Cascade control systems
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-274087DOI: 10.1109/CDC40024.2019.9029304ISI: 000560779002067Scopus ID: 2-s2.0-85082478345OAI: oai:DiVA.org:kth-274087DiVA, id: diva2:1451232
Conference
58th IEEE Conference on Decision and Control, CDC 2019, 11 December 2019 through 13 December 2019
Note

QC 20200702

Part of ISBN 9781728113982

Available from: 2020-07-02 Created: 2020-07-02 Last updated: 2024-10-25Bibliographically approved

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Iwaki, TakuyaJohansson, Karl H.

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CiteExportLink to record
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  • apa
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Output format
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