Abstract
A novel mathematical formulation of the energy optimisation problem for robotic lines is presented, which allows minimising the energy consumption in a robotic cell while keeping the required production cycle time. Different energy saving modes of the robots are utilised as well as the fact that the robot energy consumption during its movement depends on the movement duration. This dependency is modelled with a so-called energy function, which can be obtained by measurements, physical modelling of the robots or simulation. Each of these areas is covered by the presented work. The achieved results show there is a good potential to achieve energy savings at existing robotic cells and their series, and an even bigger potential if the presented approach is used during the design phase of new robotic cells.
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Notes
- 1.
The more energy-saving mode is the longer time is required to have the robot back in a ready-to-operate mode.
- 2.
Each activity can be performed by only one assigned robot.
- 3.
The dynamic activity has exactly one successor and one predecessor.
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Acknowledgements
This work has been conducted in cooperation with Skoda Auto within contract 830-8301343/13135, with support of the Grant Agency of the Czech Technical University in Prague, grant No. SGS13/209/OHK3/3T/13 and the Grant Agency of the Czech Republic under the Project GACR P103-16-23509S.
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Burget, P., Bukata, L., Šůcha, P., Ron, M., Hanzálek, Z. (2017). Optimisation of Power Consumption for Robotic Lines in Automotive Industry. In: Ghezzi, L., Hömberg, D., Landry, C. (eds) Math for the Digital Factory. Mathematics in Industry(), vol 27. Springer, Cham. https://doi.org/10.1007/978-3-319-63957-4_7
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