Journal
ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING
Volume 67, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rcim.2020.102045
Keywords
Linear Delta Robot; Energy efficiency; Dynamic modeling; Parallel robot; 3D Printing
Funding
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [734713]
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The paper presents a novel approach for sustainable 3D printing using a Linear Delta Robot equipped with elastic elements, achieving energy saving. The elastic elements allow for conversion between potential and kinetic energy, resulting in up to 50% energy reduction in actuators. The method is experimentally validated and can be applied for energy efficiency and sustainability in various fields of robotics and computer-integrated manufacturing.
In this paper a novel approach for sustainable 3D printing with a Linear Delta Robot equipped with elastic elements is presented and experimentally validated. Energy saving is achieved thanks to the introduction and optimization of linear springs that are mounted on the robot with different configurations: in parallel to the prismatic joints, or directly connecting the end-effector to the fixed frame. The elastic elements allow for a conversion between potential and kinetic energy during a cyclic motion, as for instance the printing of a material layer in additive manufacturing, resulting in actuators energy saving. To reduce the energy consumption, the spring parameters are optimized for the different scenarios by considering the kinematic, dynamic and electromechanical models of the parallel robot performing a 3D printing trajectory. The proposed approach is experimentally validated, showing an energy reduction up to almost 50% with respect to the nominal case without springs. The method is general and can be applied for energy efficiency and sustainability in several fields of robotics and computer-integrated manufacturing.
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