Cyclic robot scheduling for 3D printer-based flexible assembly systems

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This paper proposes and analyzes an efficient robot task sequence for a flexible assembly system that consists of multiple 3D printers, post-processing, assembly, inspection machines, and a material handling robot. The flexible assembly system, which has been built in many large cities in Korea, has been designed to fabricate customized products for start-ups or individuals. We consider cyclic scheduling of the system in which the robot repeats a certain sequence to produce identical products. We propose a robot task sequence to minimize the cycle time. The system behavior with the proposed robot task sequence is modeled with a timed event graph (TEG), and the optimality of the sequence is proved by analyzing the circuits in the TEG. The results are extended for producing multiple types of products simultaneously.
Publisher
Kluwer Academic Publishers
Issue Date
2021-03
Language
English
Article Type
Article
Citation

Annals of Operations Research, v.298, no.1-2, pp.339 - 359

ISSN
0254-5330
DOI
10.1007/s10479-018-3098-2
URI
http://hdl.handle.net/10203/281580
Appears in Collection
IE-Journal Papers(저널논문)
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