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Relevant factors for the energy consumption of industrial robots
Aeronaut Inst Technol ITA, Brazil.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
Aeronaut Inst Technol ITA, Brazil.
2018 (English)In: Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, E-ISSN 1806-3691, Vol. 40, no 9, article id UNSP 464Article in journal (Refereed) Published
Abstract [en]

This work investigates the energy consumption of industrial robots in the context of automotive industry. The purpose is to identify the most influencing parameters and variables and to propose best practices with focus on energy efficiency. The analysis approach is composed of three experiments performed in a simulation environment that test different values of programming parameters and variables, such as joint speed, acceleration, robot payload. The first experiment focuses on energy consumption of robots at standstill. The second one considers the robot moving along different paths. Finally, the third one analyses how the joint friction is affected by load, speed and temperature and how it influences the energy consumption. Results show that at standstill, it is important to reduce dwell time, select an energy efficient position and reduce the programmed value of the timer responsible for turning off the servomotors. While moving, it is important to select maximum continuous termination for intermediate points and avoid low speeds. Regarding friction variation, results show that at high motor speed, low temperatures increase energy consumption. In order to evaluate the contribution of the best practices in a real environment, they are applied to a welding robotic cell of an automotive industry.

Place, publisher, year, edition, pages
SPRINGER HEIDELBERG , 2018. Vol. 40, no 9, article id UNSP 464
Keywords [en]
Energy consumption; Industrial robots; Friction modelling; Automotive industry
National Category
Robotics
Identifiers
URN: urn:nbn:se:liu:diva-151489DOI: 10.1007/s40430-018-1376-1ISI: 000443863100001OAI: oai:DiVA.org:liu-151489DiVA, id: diva2:1250649
Available from: 2018-09-24 Created: 2018-09-24 Last updated: 2018-09-24

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Citation style
  • apa
  • harvard1
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  • vancouver
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  • Other style
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Language
  • de-DE
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  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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