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Direct Driven Hydraulic System for Skidders

Author

Listed:
  • Juraj Benić

    (Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, 10000 Zagreb, Croatia)

  • Juraj Karlušić

    (Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, 10000 Zagreb, Croatia)

  • Željko Šitum

    (Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, 10000 Zagreb, Croatia)

  • Mihael Cipek

    (Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, 10000 Zagreb, Croatia)

  • Danijel Pavković

    (Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, 10000 Zagreb, Croatia)

Abstract

This paper investigates potential uses of a novel direct driven electro-hydraulic systems for articulated forestry tractors (skidders), due to these systems having notably higher energy efficiencies compared to classical electro-hydraulic systems that are currently being used in skidders for steering, lifting the front and the rear plate, as well as for operating the double-drum winch. A detailed analysis of the skidder rear plate mechanism is carried out, and static force profiles of hydraulic cylinders are obtained for the rear plate based on mechanism dynamics and measurement data from the literature. Thus, obtained results have been used to emulate the real-life force profiles in laboratory experiments featuring both the classical and the proposed direct driven hydraulic systems for the purpose of comparative analysis of their energy and fuel efficiency. These results are subsequently used to estimate the skidder fuel consumption and possible fuel savings over the entire vehicle life span for the realistic vehicle utilisation scenario. The main result is that fuel consumption can be reduced up to five times in the case of direct driven hydraulic system, thus effectively resulting in return of investment period of about four years in the case of skidder being retrofitted with direct driven hydraulic system.

Suggested Citation

  • Juraj Benić & Juraj Karlušić & Željko Šitum & Mihael Cipek & Danijel Pavković, 2022. "Direct Driven Hydraulic System for Skidders," Energies, MDPI, vol. 15(7), pages 1-13, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2321-:d:777236
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    References listed on IDEAS

    as
    1. Juraj Karlušić & Mihael Cipek & Danijel Pavković & Željko Šitum & Juraj Benić & Marijan Šušnjar, 2020. "Benefit Assessment of Skidder Powertrain Hybridization Utilizing a Novel Cascade Optimization Algorithm," Sustainability, MDPI, vol. 12(24), pages 1-15, December.
    2. Tatiana Minav & Jani Heikkinen & Thomas Schimmel & Matti Pietola, 2019. "Direct Driven Hydraulic Drive: Effect of Oil on Efficiency in Sub-Zero Conditions," Energies, MDPI, vol. 12(2), pages 1-10, January.
    3. Abinab Niraula & Shuzhong Zhang & Tatiana Minav & Matti Pietola, 2018. "Effect of Zonal Hydraulics on Energy Consumption and Boom Structure of a Micro-Excavator," Energies, MDPI, vol. 11(8), pages 1-22, August.
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    Cited by:

    1. Wenxiao Chu & Maria Vicidomini & Francesco Calise & Neven Duić & Poul Alborg Østergaard & Qiuwang Wang & Maria da Graça Carvalho, 2022. "Recent Advances in Technologies, Methods, and Economic Analysis for Sustainable Development of Energy, Water, and Environment Systems," Energies, MDPI, vol. 15(19), pages 1-24, September.

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