Energy efficient scheduling of a two machine robotic cell producing multiple part types

Date

2024-01-01

Author

Aydoğan, Çiya
Gürel, Sinan

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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This paper studies robot speed control decisions and the energy consumption objective in a cyclic robotic cell scheduling problem. The study considers a two-machine flow shop cell that produces multiple part types. A robot handles the parts between the machines and buffers. We assume that the energy consumption of the robot during a move is a convex function of its speed. The problem is to sequence the parts, construct a robot move sequence, and plan the robot’s speed levels to minimize two conflicting objectives: cycle time and energy consumption of the robot. We propose mathematical models that find Pareto-efficient solutions to the problem. For large instances, we propose heuristic search algorithms. Numerical results show that integrating robot speed decisions into the scheduling problem leads to significant energy saving.

Subject Keywords

Energy consumption, Flow-shop cell, Robot scheduling, Robot speed control

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85181232946&origin=inward
https://hdl.handle.net/11511/108037

Collections

Department of Industrial Engineering, Article