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2013, vol. 11, br. 2, str. 133-139
Reverzni inženjering ljudske fibule metodom anatomskih karakterstika
aMechanical Engineering and Electrotechnical School, Kruševac
bUniverzitet u Nišu, Mašinski fakultet
cUniverzitet u Nišu, Medicinski fakultet

e-adresamiroslav.trajanovic@masfak.ni.ac.rs
Projekat:
Virtuelni koštano zglobni sistem čoveka i njegova primena u pretkliničkoj i kliničkoj praksi (MPNTR - 41017)

Ključne reči: reverzni inženjering; RGE; fibula; 3D površinski model
Sažetak
U radu je prikazan reverzni inženjering (RI) ljudske fibule, na primeru desne muške fibule, pomoću metode anatomskih karakteristika u cilju dobijanja 3D površinskog modela. Skeniranje kompjuterskom tomografijom i digitalizacija podataka predstavljaju prvi korak u procesu RI. Za dobijanje podataka kompjuterskom tomografijom korišćen je Toshiba MSCT scanner Aquillion 64, a podaci su sačuvani u DICOM formatu. Podaci su obrađeni i uveženi u CAD program u obliku STL datoteke. Proces se nastavlja identifikacijom i određivanjem Referentnih Geometrijskih Entiteta (RGE) u CAD programu. RGE predstavljaju osnovu za definisanje osa i ravni preseka. Presecanje gornjeg i donjeg okrajka, kao i tela poligonalnog modela fibule ovim ravnima ima za rezultat skupove krivih, na kojima su definisane tačke. Kroz ove tačke provučene su prostorne krive, te su pomoću loft funkcije dobijeni površinski modeli okrajaka i tela fibule. Spajanjem i stapanjem ovih modela dobijen je 3D površinski model fibule. Tačnost modela je potvrđena analizama rastojanja i devijacija. Model je podesan za brzu izradu prototipova, kreiranje delova fibula koji nedostaju, obuku i simulaciju u ortopediji.
Reference
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O članku

jezik rada: engleski
vrsta rada: neklasifikovan
objavljen u SCIndeksu: 10.02.2014.

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