izpis_h1_title_alt

Učinkovita metoda za avtomatsko vzpostavitev merilnih območij v vodovodnih omrežjih : magistrsko delo
Zevnik, Jure (Author), Kramar Fijavž, Marjeta (Mentor) More about this mentor... This link opens in a new window, Kozelj, Daniel (Co-mentor)

.pdfPDF - Presentation file, Download (5,43 MB)

Abstract
V vodovodni sistemih se lahko pojavljajo veliki deleži neprodane količine vode, ki se pogosto skrijejo v vodnih izgubah. Z vzpostavitvijo merilnih območij se iz razlike med merjenim vtokom in količino obračunane vode izračuna vodna bilanca, ki upravljavcem omogoča hitrejšo identifikacijo dejanskih vodnih izgub in boljši nadzor nad delovanjem vodovodnega sistema. V magistrskem delu je predstavljena učinkovita metoda za vzpostavitev merilnih območij (MO) v vodovodnih omrežjih (VO), ki temelji na uporabi algoritmov iz teorije grafov. Metoda sestoji iz dveh glavnih delov: razbitja VO na MO in vpetja le-teh nazaj v celotno VO. Preizkusili smo jo na primeru realnega VO in med seboj primerjali tri načine spektralnega razbitja grafov, več različnih utežnih primerov in dva kriterija gručenja. Učinkovitost predlaganega algoritma za vpetje MO v primerjavi s tradicionalnim kombinatoričnim pristopom, smo prikazali za različna števila vzpostavljenih MO. Končno rešitev smo izbrali z uporabo večkriterijskega evalvacijskega modela, ki upošteva hidravlične, cenovne ter topološke metrike ter izloči subjektivni vpliv na izbiro. Rezultati so pokazali, da so vse tri preizkušene metode spektralnega razbitja, kvocientni prerez, normirani prerez in novo predlagani prirejeni normirani prerez, ustrezne za zasnovo MO in da lahko z upoštevanjem ustreznih topoloških in cenovnih informacij o VO v fazi razbitja pozitivno vplivamo na dobljeno rešitev.

Language:Slovenian
Keywords:vodovodno omrežje, merilna območja, transportni vodi, teorija grafov, spektralno razbitje grafov, večkriterijski evalvacijski model
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2018
Publisher:[J. Zevnik]
UDC:628.1:519.17(043.3)
COBISS.SI-ID:8443745 Link is opened in a new window
Views:860
Downloads:463
Metadata:XML RDF-CHPDL DC-XML DC-RDF
 
Average score:(0 votes)
Your score:Voting is allowed only to logged in users.
:
Share:AddThis
AddThis uses cookies that require your consent. Edit consent...

Secondary language

Language:English
Title:Efficient method for automatic design of district metered areas in water distribution networks : master thesis
Abstract:
A high proportion of non-rewenue water can appear in water distribution systems which is often due to water losses. By establishing district metered areas (DMAs), a water balance can be calculated from the difference between the measured flow and the amount of revenue water. This allows system operators to identify the actual water losses faster and to control the functioning of the water distribution system efficiently. We present an efficient graph theoretical method for automatic design of district metered areas (DMAs) in water distribution networks (WDNs). The proposed method consists of two main parts: WDN partitioning and DMA connection, and is tested on a real-life WDN, for which three spectral partitioning methods, multiple weight cases and two clustering criteria are compared. The efficiency of the proposed DMA connection algorithm, with respect to the traditional combinatorical approach, is shown for different numbers of established DMAs. The final solution is selected according to a multi-criteria evaluation model, which was developed in order to reduce the subjective influence in the selection process and considers hydraulic, cost and topological criteria. The results show, that all three tested spectral partitioning methods, the ratio cut, the normalized cut and the newly proposed modified normalized cut, are suitable for WDN partitioning and, that we can further improve the quality of the obtained solutions by considering appropriate topological and cost based WDN information in the partitioning process.

Keywords:water distribution network, district metered areas, water mains, graph theory, spectral graph partitioning, multi-criteria evaluation model

Similar documents

Similar works from RUL:
Similar works from other Slovenian collections:

Comments

Leave comment

You have to log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back