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Title:AVTOMATIZACIJA PREIZKUŠEVALNEGA STROJA ZA DINAMIČNO OBREMENJEVANJE VZORCEV
Authors:ID Matija, Janez (Author)
ID Hercog, Darko (Mentor) More about this mentor... New window
ID Gubeljak, Nenad (Comentor)
Files:.pdf UN_Matija_Janez_2015.pdf (2,97 MB)
MD5: 5D70C4C61F0170A566E83B1FA4FA38E6
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Potreba po avtomatizaciji mehanskih sistemov je vse bolj prisotna tudi pri testiranju materialov. Razlog je v nenehnem razvijanju novih materialov z boljšimi fizikalnimi lastnostmi, ki se uporabljajo za različne namene, od medicinskih implantatov do nosilnih komponent letal, vendar ne moremo zanesljivo predvideti njihovega dinamičnega obnašanja in dobe trajanja. S tem namenom je bil izdelan stroj z ekscentričnim vzvodom, s katerim se izvaja upogibno oz. ciklično obremenjevanje z nastavljivim odmikom, ki ga poganja trifazni asinhronski elektromotor s frekvenčnim pretvornikom. Celotni sistem je avtomatiziran, tako da je opremljen z merilno opremo proizvajalca National Instruments in programsko opremo LabVIEW. Zasnovan sistem omogoča široko izbiro vhodnih parametrov za obremenjevanje različnih geometrij preizkušancev ter zajemanje in shranjevanje podatkov, ki so ključnega pomena za nadaljnjo obdelavo.
Keywords:ekscentrično utrujanje, avtomatizacija, uporovni merilni lističi, preizkušanec, obremenjevanje, frekvenčni pretvornik, uporabniški vmesnik
Place of publishing:Maribor
Publisher:[J. Matija]
Year of publishing:2015
PID:20.500.12556/DKUM-47645-195ab3ce-cc86-85fa-5eaf-f8ea05b2c4ae New window
UDC:620.168:621.9.01(043.2)
COBISS.SI-ID:19132694 New window
NUK URN:URN:SI:UM:DK:V3XFA6QD
Publication date in DKUM:30.10.2015
Views:1521
Downloads:241
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:AUTOMATION OF TESTING MACHINE FOR DYNAMIC LOADING OF SPECIMENS
Abstract:There is a growing need for automated mechanical systems in materials testing. The reason for that lies in the constant development of new materials with better physical properties, which are used for all kinds of different purposes, from medical implants to load-bearing components in airplanes, but we can not reliably predict their dynamic behaviour and fatigue. For this purpose, a machine with an eccentric lever has been developed, which is being used for flexural orcyclic loading with adjustable offset distanceand is being run by a three-phase asynchronous electric motor with a frequency converter. The entire system is automated by National Instruments data acquisition hardware and LabVIEW software. Developed system allows configuration of data acquisition and data logging parameters for different geometries of specimens.
Keywords:eccentric fatigue, automation, resistance strain gages, specimen, loading, frequency converter, user inerface


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