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Napredni kvaternionski algoritam direktne kinematike robota uključujući pregled različitih metoda kinematike robota / Advanced quaternion forward kinematics algorithm including overview of different methods for robot kinematics
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2014)
Formulisanje odgovarajućih i efikasnih algoritama kinematike robota je od suštinskog značaja za analizu i razvoj serijskih manipulatora. Kinematičko modelovanje manipulatora se najčešće vrši u Dekartovom prostoru. Međutim, ...
Numerical analysis of thermal stresses in welded joint made of steels x20 and x22
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
Stress calculation of steam pipeline is presented, focused on the welded joint. Numerical calculation was peiformed using the finite element method to obtain stress distribution in the welded joint made while replacing the ...
Diagnostics of bucket wheel excavator discharge boom dynamic performance and its reconstruction
(Polish Academy of Sciences Branch Lublin, 2014)
The paper focuses on an investigation into the possible causes of the bad dynamic performance of bucket wheel excavator C7OOS (BWE) discharge boom in the Kolubara opencast mine, Serbia. A discharge boom load carrying ...
Primena multivarijantne analize i samo-organizujućih mapa za analizu podatka dobijenih na osnovu opto-magnetnih spektara vode / Multivariate analysis and self organizing feature maps applied for data analysis of opto-magnetic spectra of water
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2014)
Kako bi se došlo do novih saznanja u vezi strukture vode u tečnom stanju, kao i interakcija između rastvorenih materija i molekula vode korišćena je nova metoda bazirana na upotrebi opto-magnetne imidžing spektroskopije ...
Experimental and numerical thermo - mechanical analysis of friction stir welding of high - strength alluminium alloy
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
This paper presents experimental and numerical analysis of the change of temperature and force in the vertical direction during the friction stir welding of high-strength aluminium alloy 2024 T3. This procedure confirmed ...
Material characterization of the main steam gate valve made of X20CrMoV 12.1 steel after long term service
(Elsevier Science Bv, Amsterdam, 2014)
Martensitic steel X20CrMo12.1 has been extensively used within the last few decades as a material for tubing systems and pipelines in thermal power plants (TPP). Long term behavior of this steel is very well known and ...
Fracture mechanics analysis of damaged turbine rotor discs using finite element method
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
This paper presents evaluation fracture mechanics parameters in low pressure turbine components. Critical locations such as keyway and dovetail area are experiencing stress concentration leading to crack initiation. Stress ...
Techno-economic optimization of plant for raw ethanol production based on experimental data
(Pergamon-Elsevier Science Ltd, Oxford, 2014)
This paper concerns techno-economic optimization of the production process of raw ethanol in a continuous distillation column as a part of the plant for production of rectified alcohol. Optimization was performed in order ...
Triz method application for improving the special vehicles maintenance
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
TRIZ methodology provides an opportunity for improving the classical engineering approach based on personal knowledge and experience. This paper presents the application of TRIZ methods for improving vehicle maintenance ...
Višeciljna fazi optimizacija veličine i položaja piezoelektričnih aktuatora i senzora za upravljanje vibracijama bazirana na optimizaciji rojem čestica (deo 1: teorijski model) / Mul'ticelevaja faza optimizacii razmera i raspoloženija p'ezoëlektričeskih privodov i datčikov dlja upravlenija vibracijami na osnove optimizacii roja častic (čast' 1: teoretičeskaja model') / (francuski) Optimisation 'fuzzy' multi objective de la taille et de la location des actuaires piézoélectriques et des capteurs pour le contrôle des vibrations basée sur l'optimisation par essaim des particules (première partie: modèle théorétique)
(Vojnotehnički institut, Beograd, 2014)
Određivanje veličine i položaja piezoelektričnih aktuatora i senzora za aktivno upravljanje vibracijama savitljivih struktura obično je bazirano na maksimalnoj efikasnosti upravljanja i postizanja maksimalnog izlaza za ...