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Primena savremenih metaheurističkih algoritama u optimizaciji tehnoloških procesa obrade proizvoda

Application of modern metaheuristic algorithms in optimization ofprocess planning

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Author
Đurđev, Mića
Mentor
Milošević, Mijodrag
Committee members
Sekulić, Milenko
Miljković, Zoran
Antić, Aco
Lukić, Dejan
Milošević, Mijodrag
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Abstract
Optimizacija tehnoloških procesa pripada grupi kompleksnih problema kod kojih je akcenat stavljen na određivanje redosleda zahvata obrade i optimalnu selekciju varijanti tehnoloških resursa među kojima se izdvajaju mašine alatke, rezni alati i smerovi prilaza reznih alata. Optimizacija se vrši minimiziranjem funkcije cilja koja je formulisana na bazi troškova, odnosno vremena realizacije zahvata obrade delova prizmatičnog i rotacionog oblika. Pored toga, pravila i odnosi prethođenja među tipskim tehnološkim oblicima i zahvatima obrade formiraju tzv. ograničenja prethođenja koja omogućavaju pronalaženje izvodljivih rešenja usklađenih sa tehnološkim zahtevima razmatranih mašinskih delova. Predloženi metaheuristički algoritmi za rešavanje ovog problema su algoritmi vrane, sivog vuka i grbavog kita. Pored teorijske analize ovih metoda izvršena je verifikacija njihovih performansi na šest različitih eksperimentalnih studija.
Optimization of process planning belongs to the group of complex problems in which the emphasis is placed on determining the sequence of machining operations and the optimal selection of variants of technological resources such as machines, cutting tools and tool approach directions. Optimization is achieved by minimizing the objective function which is formulated on the basis of cost and time required for performing all the operations for prismatic or rotational parts. In addition, precedence rules and relationships among features and machining operations define so called precedence constraints which aid in finding feasible solutions that are complied with technological requirements of considered mechanical parts. The proposed metaheuristic algorithms for solving this problem are crow search optimization, grey wolf optimizer and whale optimization algorithm. Beside the theoretical analysis of these methods, verification of their performances was done on six different experimental stud...ies.

Faculty:
University of Novi Sad, Faculty of Technical Science
Date:
28-09-2021
Keywords:
Optimizacija tehnoloških procesa, metaheurističkialgoritmi, ograničenja prethođenja / Optimization of process planning, metaheuristic algorithms,precedence constraints
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_nardus_18572
URI
https://www.cris.uns.ac.rs/DownloadFileServlet/Disertacija162644315319180.pdf?controlNumber=(BISIS)118003&fileName=162644315319180.pdf&id=18078&source=NaRDuS&language=sr
https://www.cris.uns.ac.rs/record.jsf?recordId=118003&source=NaRDuS&language=sr
https://www.cris.uns.ac.rs/DownloadFileServlet/IzvestajKomisije162644317608256.pdf?controlNumber=(BISIS)118003&fileName=162644317608256.pdf&id=18079&source=NaRDuS&language=sr
https://nardus.mpn.gov.rs/handle/123456789/18572

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