Extremum Seeking Control with Sporadic Packet Transmission for Networked Control Systems
AuthorPremaratne, U; Halgamuge, S; Tan, Y; Mareels, IMY
Source TitleIEEE Transactions on Control of Network Systems
AffiliationElectrical and Electronic Engineering
Document TypeJournal Article
CitationsPremaratne, U., Halgamuge, S., Tan, Y. & Mareels, I. M. Y. (2020). Extremum Seeking Control with Sporadic Packet Transmission for Networked Control Systems. IEEE Transactions on Control of Network Systems, 7 (2), pp.758-769. https://doi.org/10.1109/TCNS.2019.2940244.
Access StatusOpen Access
ARC Grant codeARC/LE120100117
Extremum Seeking Control (ESC) is a data-driven optimization technique that can steer a dynamic plant towards an extremum of an unknown but measurable, input to steady-state map. In the context of Networked Control Systems (NCS) a new implementation method for ESC inspired by the well known Luus-Jaakola algorithm is proposed. The main motivation is to minimize the communication burden associated with the search phase of ESC. In the proposed method the controller only requires a notification of a change registered at the sensor, rather than the full information available at the sensor. This event based approach leads to sporadic packet transmission. In addition the proposed method is able to directly account for constraints whilst seeking for the desired extremum. The constraints may be of the inequality or equality type. The algorithm's behavior is illustrated on a networked water pump control system.
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