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New configurations of the tele-extraction concept
Umeå University, Faculty of Science and Technology, Department of Physics.ORCID iD: 0000-0002-1842-7032
Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Umeå, Sweden.
Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Umeå, Sweden.
Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Umeå, Sweden.
2023 (English)In: International Journal of Forest Engineering, ISSN 1494-2119, E-ISSN 1913-2220, Vol. 34, no 3, p. 397-407Article in journal (Refereed) Published
Abstract [en]

Within cut-to-length forwarding, a theoretical semi-autonomous teleoperation concept called tele-extraction, with automation of crane work and teleoperation of driving, was modeled and simulated. Both configurations modeled had greater potential for cost reduction than a previously studied alternative where the driving was automated, and crane work was teleoperated. Teledrive with teleoperated driving empty, driving loaded, and driving between log piles while loading, showed a reduced cost of 10% for five operators on ten forwarders, whereas teledrive with both loading and driving while loading automated showed a reduced cost of 18% at four operators. In both configurations, the lowest cost was reached at about 10% lower productivity compared to standard forwarding. Increased extraction distance had a negative impact on potential for cost reduction since the driving was teleoperated while terminal activities were autonomous.

Place, publisher, year, edition, pages
Taylor & Francis, 2023. Vol. 34, no 3, p. 397-407
Keywords [en]
automation, CTL, discrete event simulation, forwarding, organization, teleoperation
National Category
Forest Science Robotics and automation
Identifiers
URN: urn:nbn:se:umu:diva-212497DOI: 10.1080/14942119.2023.2234638ISI: 001034312100001Scopus ID: 2-s2.0-85165455570OAI: oai:DiVA.org:umu-212497DiVA, id: diva2:1785169
Available from: 2023-08-01 Created: 2023-08-01 Last updated: 2025-02-05Bibliographically approved

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Lundbäck, Mikael

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