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

Çiya Aydoğan () and Sinan Gürel ()
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Çiya Aydoğan: Middle East Technical University
Sinan Gürel: Middle East Technical University

Flexible Services and Manufacturing Journal, 2024, vol. 36, issue 4, No 5, 1324-1358

Abstract: Abstract 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.

Keywords: Flow-shop cell; Robot scheduling; Energy consumption; Robot speed control (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10696-023-09528-4

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