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Optimizacija vzporednega mehanizma mobilnega skuterja
ID Brili, Danijel (Author), ID Vukašinović, Nikola (Mentor) More about this mentor... This link opens in a new window

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Abstract
vii Izvleček UDK 004.4:519.61:629.326.3(043.2) Tek. štev.: UN I/915 Optimizacija vzporednega mehanizma mobilnega skuterja Danijel Brili Ključne besede: metoda končnih elementov paralelni mehanizem dvižni mehanizem mobilni skuter mobilnost skuter Zaključna naloga obravnava optimizacijo paralelnega mehanizma za dviganje in spuščanje sedeža mobilnega skuterja. Mehanizem zagotavlja togost in varnost uporabe mobilnega skuterja. V nalogi je predstavljena kinematična in trdnostna analiza rešitve za zagotavljanje paralelnega giba, hkrati pa je upoštevana tudi ergonomija človeka. Opravili smo tudi analizo statičnih obremenitev, ki delujejo na paralelni mehanizem ter statično analizo togosti celotnega paralelnega mehanizma. Natančno smo preračunali silo za pritrditev mehanizma, katera je odvisna od teže človeka, ki deluje na paralelni mehanizem. Obenem pa so pomembne tudi dimenzije celotnega mehanizma, ki so odvisne od ergonomije človeka. Dimenzije mehanizma imajo velik vpliv na moment, ki se pojavi zaradi sile teže človeka. Z izvedeno togostno analizo v programu SolidWorks smo tehnično rešitev optimizirali do konstrukcije, pri kateri so napetosti in deformacije pod dopustnimi mejami. Delovanje mehanizma smo potrdili tudi z eksperimentalnim testom, ko smo mehanizem vgradili v mobilni skuter.

Language:Slovenian
Keywords:metoda končnih elementov paralelni mehanizem dvižni mehanizem mobilni skuter mobilnost skuter
Work type:Bachelor thesis/paper
Organization:FS - Faculty of Mechanical Engineering
Year:2017
PID:20.500.12556/RUL-94870 This link opens in a new window
Publication date in RUL:08.09.2017
Views:1517
Downloads:492
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Secondary language

Language:English
Title:Optimisation of parallel mechanism of mobility scooter
Abstract:
The graduation thesis adresses the optimization of parallel mechanism for lifting and lowering the seat of mobile scooter. The mechanism ensures the rigidity and security of the use of a mobile scooter. The thesis present a kinematic and stiffness analysis of the solution for providing a parallel motion, while also taking into account the ergonomics of a person. We also carried out a static load analysis that operates on a parallel mechanism and a static analysis of the rigidity of the entire parallel mechanism. We have accurately calculated the force for fixing the mechanism, which depends on the weight of the person acting on the parallel mechanism. The dimensions of the mechanism have a major influence on the moment that occurs due to the force of the human weight. With the rigidity analysis in the SolidWorks program, we optimized the technical solution to a design in which the stress and strains are below the acceptable limits. The mechanism was confirmed by an experimental test when the mechanism was installed in a mobile scooter.

Keywords:finite element method parallel mechanism lifting mechanism mobility scooter mobility scooter

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