Stability of Drinking Water Distribution Network

Tobias Leth, Carsten Skovmose Kallesøe, Christoffer Sloth, Rafal Wisniewski

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

We strive to prove stability of a hydraulic network,
where the pressure at the end user is controlled with PI
control. The non-polynomial model is represented by numerous
polynomial systems defined on sub-sets of R^n. The sub-sets are
defined by compact basic semi-algebraic sets. The stability of
the PI-controller is proved by designing a Lyapunov function
which fulfils different criteria in different sub-sets of R^n. We
find a polynomial Lyapunov function for the system using
SOSTOOLS supported by Putinar’s Positivstellensatz.
Original languageEnglish
Title of host publicationControl Conference (ECC), 2016 European
Number of pages6
PublisherIEEE
Publication date29 Jun 2016
Pages1764-1769
ISBN (Electronic)978-1-5090-2591-6
DOIs
Publication statusPublished - 29 Jun 2016
EventEuropean Control Conference 2016 - Aalborg, Denmark
Duration: 28 Jun 20161 Jul 2016

Conference

ConferenceEuropean Control Conference 2016
Country/TerritoryDenmark
CityAalborg
Period28/06/201601/07/2016

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