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Novel Concept for Electro-Hydrostatic Actuators for Motion Control of Hydraulic Manipulators

Author

Listed:
  • Konrad Johan Jensen

    (Department of Engineering Sciences, University of Agder, 4879 Grimstad, Norway)

  • Morten Kjeld Ebbesen

    (Department of Engineering Sciences, University of Agder, 4879 Grimstad, Norway)

  • Michael Rygaard Hansen

    (Department of Engineering Sciences, University of Agder, 4879 Grimstad, Norway)

Abstract

Self-contained hydraulic cylinders have gained popularity in the recent years but have not been implemented for high power articulated hydraulic manipulators. This paper presents a novel concept for an electro-hydrostatic actuator applicable to large hydraulic manipulators. The actuator is designed and analyzed to comply with requirements such as load holding, overload handling, and differential flow compensation. The system is analyzed during four quadrant operation to investigate energy efficiency and regenerative capabilities. Numerical simulation is carried out using path control and 2DOF anti-swing of a hydraulic crane as a load case to illustrate a real world scenario. A comparison with traditional valve-controlled actuators is conducted, showing significantly improved efficiency and with similar dynamic response, as well as the possibility for regenerating energy.

Suggested Citation

  • Konrad Johan Jensen & Morten Kjeld Ebbesen & Michael Rygaard Hansen, 2021. "Novel Concept for Electro-Hydrostatic Actuators for Motion Control of Hydraulic Manipulators," Energies, MDPI, vol. 14(20), pages 1-27, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6566-:d:654667
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    References listed on IDEAS

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    1. Markus Henke & Gerrit Narjes & Jan Hoffmann & Constantin Wohlers & Stefan Urbanek & Christian Heister & Jörn Steinbrink & Wolf-Rüdiger Canders & Bernd Ponick, 2018. "Challenges and Opportunities of Very Light High-Performance Electric Drives for Aviation," Energies, MDPI, vol. 11(2), pages 1-25, February.
    2. Søren Ketelsen & Damiano Padovani & Torben O. Andersen & Morten Kjeld Ebbesen & Lasse Schmidt, 2019. "Classification and Review of Pump-Controlled Differential Cylinder Drives," Energies, MDPI, vol. 12(7), pages 1-27, April.
    3. Damiano Padovani & Søren Ketelsen & Daniel Hagen & Lasse Schmidt, 2019. "A Self-Contained Electro-Hydraulic Cylinder with Passive Load-Holding Capability," Energies, MDPI, vol. 12(2), pages 1-21, January.
    4. Xingjian Wang & Cun Shi & Shaoping Wang, 2017. "Extended state observer-based motion synchronisation control for hybrid actuation system of large civil aircraft," International Journal of Systems Science, Taylor & Francis Journals, vol. 48(10), pages 2212-2222, July.
    5. Qu, Shaoyang & Fassbender, David & Vacca, Andrea & Busquets, Enrique, 2021. "A high-efficient solution for electro-hydraulic actuators with energy regeneration capability," Energy, Elsevier, vol. 216(C).
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    Cited by:

    1. Wei Zhao & Morten Kjeld Ebbesen & Michael Rygaard Hansen & Torben Ole Andersen, 2024. "Enabling Passive Load-Holding Function and System Pressures Control in a One-Motor-One-Pump Motor-Controlled Hydraulic Cylinder: Simulation Study," Energies, MDPI, vol. 17(11), pages 1-19, May.
    2. Lasse Schmidt & Kenneth Vorbøl Hansen, 2022. "Electro-Hydraulic Variable-Speed Drive Networks—Idea, Perspectives, and Energy Saving Potentials," Energies, MDPI, vol. 15(3), pages 1-33, February.

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