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Nadzor opleta turbinske gredi in vibracij ležajev hidroagregata z vgradnim sistemom
ID Bogdan, Dominik (Avtor), ID Butala, Peter (Mentor) Več o mentorju... Povezava se odpre v novem oknu, ID Bračun, Drago (Komentor)

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PID: 20.500.12556/rul/030a93cf-a36d-45ef-9732-2c5edd077742

Izvleček
V magistrskem delu sta predstavljena razvoj in realizacija sistema za spremljanje stanja opleta gredi in vibracij ležajev gredi hidroagregata. Sistem temelji na vgradnem računalniku, ki izkorišča prednosti FPGA in Real-Time modula, in osebnem računalniku ter pripadajoči merilni opremi, ki je sestavljena iz merilne kartice in ustreznih senzorjev. Zajem in analiza meritev opleta gredi in vibracij ležajev sta v večji meri realizirana na podlagi pripadajočih standardov ISO 7919-5 in ISO 10816-5. V analizo sta vključeni tudi orbitalna analiza opleta gredi in frekvenčna analiza vibracij ležajev, ki presega obseg slednjega standarda. Za potrebe razvoja in testiranja sistema je izdelano testno preskuševališče, ki simulira delovanje hidroagregata. Programska koda, namenjena analizi meritev in shranjevanju izhodnih podatkov, je realizirana v okviru projekta v programskem okolju Labview. V delu so predstavljeni tudi različni komunikacijski mehanizmi, namenjeni medsebojni komunikaciji algoritmov programske kode, ki potekajo na platformah sistema. Prav tako je opisan uporabniški vmesnik, kjer so prikazani končni rezultati analiz in nastavitveni parametri. Z namenom potrditve pravilnega delovanja sistema je na koncu dela predstavljeno testiranje pravilnosti delovanja sistema na testnem mestu z uporabo drugih merilnih metod in programskih okolij, namenjenih analizi meritev.

Jezik:Slovenski jezik
Ključne besede:sistem za spremljanje stanja FPGA vgradni računalnik Labview oplet turbinske gredi orbitalna analiza opleta gredi vibracije ležajev gredi hidroagregata RMS hitrost nihanja ležaja frekvenčna analiza hitrosti nihanja ležaja močnostni spekter
Vrsta gradiva:Magistrsko delo/naloga
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2018
PID:20.500.12556/RUL-99583 Povezava se odpre v novem oknu
Datum objave v RUL:06.02.2018
Število ogledov:2168
Število prenosov:632
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Monitoring of the runout of a turbine shaft and vibrations of shaft bearings of a hydropower unit with an embedded system
Izvleček:
The master thesis presents development and realization of a condition-based monitoring system for monitoring a runout of a turbine shaft and vibrations of shaft bearings of a hydropower unit. The system is based on an embedded computer which takes an advantage of the FPGA and Real-Time modules, and a personal computer with the associated measuring equipment which consists of a measuring card and the appropriate sensors. The acquisition and analysis of shaft runout and bearing vibration measurements are largely realized on the basis of the corresponding ISO 7919-5 and ISO 10816-5 standards. The analysis also includes the orbital analysis of the shaft runout and the spectral analysis of bearings vibration that exceeds the scope of the latter standard. For the purpose of development and testing of the system, a test bench was constructed to simulate the operation of the hydropower unit. The program code intended for analysis of measurements and storage of output data is accomplished within the project in Labview programming environment. Various communication mechanisms intended for communication between the software code algorithms are presented. The user interface is also described, in which the final analysis results and setting parameters are displayed. In order to confirm a proper functioning of the system, testing of the correct operation of the system at the test site is presented at the end of work using other measurement methods and program environments intended for the analysis of measurements.

Ključne besede:condition monitoring system FPGA embedded computer Labview runout of a turbine shaft orbit analysis of shaft's runout vibration of shaft bearings RMS velocity of bearing vibration spectral analysis of velocity of bearing vibration power spectrum

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