Upravljanje postrojenjem klimatizacije poslovnog objekta

scientific master's theses

• Title (english): Control of air-conditioning facility in office building
• Author: Krešimir Osman
• Mentor: Nedjeljko Perić (mentor)
• Committee member: Željko Ban (predsjednik povjerenstva)
• Committee member: Nedjeljko Perić (član povjerenstva)
• Committee member: Dražen Lončar (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; (Department of Control and Computer Engineering); Zagreb
• Defense date and country: 2011-12-06, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering
• Universal decimal classification (UDC): 621.3 - Electrical engineering

Abstract

U magistarskom radu je opisano postrojenje klimatizacije i zakonitosti odvijanja procesa i njegovih podprocesa, tokom zimskog i ljetnog režima rada. Nakon kratkog pregleda područja istraživanja, vezanih uz pregled literature o algoritmima upravljanja, primijenjenih u sustavu upravljanja, PI i PID regulatorima, sljedio je opis svih procesa, uređaja u njemu, kao i rad samog postrojenja klimatizacije. Na osnovi provedene analize fizikalnih zakonitosti procesa, postavljeni su matematički modeli s koncentriranim parametrima, svih podprocesa u postrojenju klimatizacije., slijedio je opis postojećeg stanja sustava upravljanja sa analizom postojećih koncepata i algoritama upravljanja tokom zimskog i ljetnog režima rada. Postojeći sustav upravljanja počiva na načelu kaskadne regulacije. Također je provedena simulacija tako poboljšanog sustava upravljanja, u zimskom i ljetnom režimu rada, u programu MATLAB® Simulink®. Navedeni su nedostaci koji su uočeni na postojećem sustavu upravljanja i dan je prijedlog poboljšanja sustava upravljanja. Slijedi izvedba poboljšanog sustava upravljanja, koji je izveden kao sustav sa spregnutim procesima, i to sa PID regulatorima. Također je provedena simulacija tako poboljšanog sustava upravljanja, u zimskom i ljetnom režimu rada, u programu MATLAB® Simulink®, te dana diskusija s obzirom na dobivene rezultate simulacije. Uz to dan je opis i popis mjerne i upravljačke opreme koja bi se ugradila u takav poboljšani sustav upravljanja.

Abstract (english)

The master thesis describes an air conditioning facility and the patterns of the process and its sub-processes during the winter and summer operating modes. A brief review of the research area associated with literature about the controlling algorithms used in the control system, the PI and PID controllers, is followed by a description of all devices and processes in it with work decription od air-conditioning facility. Based on the analysis of the physical patterns of the processes, the mathematical models of all processes were established for the air conditioning facility with concentrated parameters. a description of the existing condition of the control system, including a analysis of existing system and control algorithms in the system, during the winter and summer operating modes. The existing control system relies on the principle of cascade control. It also includes a simulation of the existing control system in the winter and summer operating modes in the MATLAB® Simulink® program. The thesis specifies the deficiencies detected on the existing control system and provides a proposal for improvement of them. This is followed by a version of an improved control system, provided as a system with coupling processes with PID controllers. The thesis also includes a simulation of the improved control system in the winter and summer operating modes in the MATLAB® Simulink® program and a discussion concerning the simulation results obtained. In addition, it is given a description and a list of the measuring and control equipment that would be incorporated into an improved control system.

• Keywords: postrojenje klimatizacije; matematički model; PI regulator; PID regulator; kaskadna regulacija; spregnuti sustavi; simulacija
• Keywords (english): air-conditioning facility; matematical model; PI controller; PID controller; cascade control; coupling processes; simulation
• Language: croatian
• URN:NBN: urn:nbn:hr:168:138983
• Study programme: Title: Postgraduate master programme in electrical engineering; Study programme type: university; Study level: postgraduate; Academic / professional title: Magistar znanosti elektrotehnike (Magistar znanosti elektrotehnike)
• Catalog URL: http://lib.fer.hr/cgi-bin/koha/opac-detail.pl?biblionumber=37177
• Type of resource: Text
• Extent: 155 str ; 30 cm
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2019-07-11 07:18:51