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Predicting the mobility of tracked forestry machines operating on Nordic forest soil
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinkonstruktion (Avd.).
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinkonstruktion (Avd.).
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinkonstruktion (Avd.).
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinkonstruktion (Avd.).
2013 (Engelska)Ingår i: 7th Americas Regional Conference of the ISTVS, 2013Konferensbidrag, Publicerat paper (Refereegranskat)
Ort, förlag, år, upplaga, sidor
2013.
Nyckelord [en]
soft soil, tracked vehicles, WES-models
Nationell ämneskategori
Farkostteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-144081OAI: oai:DiVA.org:kth-144081DiVA, id: diva2:710903
Konferens
7th Americas Regional Conference of the ISTVS, 2013 Tampa, Florida
Anmärkning

QC 20150827

Tillgänglig från: 2014-04-08 Skapad: 2014-04-08 Senast uppdaterad: 2015-08-27Bibliografiskt granskad
Ingår i avhandling
1. On forestry machine and soil interaction for sustainable forestry
Öppna denna publikation i ny flik eller fönster >>On forestry machine and soil interaction for sustainable forestry
2014 (Engelska)Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

More than 50 percent of the land area of the Nordic countries Finland, Norway, and Sweden are covered by dense forests and they are among the most important producers of forest products in the world. Forestry in these countries is based on sustainable management principles – reforestation follows harvesting. Furthermore, increasing demands for more gentle techniques and technologies with less negative impact on the environment ask for development and implementation of new processes and new machine solutions. The increasing interest in developing forest management approaches that are based on gentleness to the environment requires better understanding of the interaction between the forestry machines and the terrain in the harvesting process.

Paper A describes the purpose for model-based and simulation design of the next generation of forestry machines and proposes an enabling modeling and model configuration framework.

Paper B presents the measured soil properties, ground pressure, and multi-pass rutting results from a field test with medium-sized forwarders operating on soft soil. The test data was then correlated with results from empirically-based WES-models.

Paper C presents multi-pass rutting results for a tracked forwarder, with and without loading, operating on soft soil. Various models for predicting rutting was compared with the measured single- and multi-pass results for straight and S-curve driving.

Paper D presents the reasons for, and the realization of, a test rig for characterizing the shear properties of rooted soil.

Ort, förlag, år, upplaga, sidor
Stockholm: KTH Royal Institute of Technology, 2014. s. 42
Serie
TRITA-MMK, ISSN 1400-1179 ; 2014:03
Nationell ämneskategori
Farkostteknik Annan maskinteknik
Forskningsämne
Maskinkonstruktion
Identifikatorer
urn:nbn:se:kth:diva-144072 (URN)978-91-7595-077-8 (ISBN)
Presentation
2014-04-24, room B319, Brinellvägen 83, Stockholm, 10:00 (Engelska)
Opponent
Handledare
Anmärkning

QC 20140409

Tillgänglig från: 2014-04-09 Skapad: 2014-04-08 Senast uppdaterad: 2014-04-09Bibliografiskt granskad
2. Forestry machine and soil interaction for sustainable forestry
Öppna denna publikation i ny flik eller fönster >>Forestry machine and soil interaction for sustainable forestry
2015 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

More than 50 percent of the land area of the Nordic countries Finland, Norway, and Sweden are covered by dense forests and they are among the most important producers of forest products in the world. Forestry in these countries is based on sustainable management principles – reforestation follows harvesting. Furthermore, increasing demands for more gentle techniques and technologies with less negative impact on the environment ask for development and implementation of new processes and new machine solutions. The increasing interest in developing forest management approaches that are based on gentleness to the environment requires better understanding of the interaction between the forestry machines and the terrain in the harvesting process.

Ort, förlag, år, upplaga, sidor
Stockholm: KTH Royal Institute of Technology, 2015. s. 54
Serie
TRITA-MMK, ISSN 1400-1179 ; 2015:04
Nyckelord
CTL-logging, forestry machine, forwarder, multi-body simulations, roots, terramechanics, wheel-soil interaction, WES model
Nationell ämneskategori
Maskinteknik
Forskningsämne
Maskinkonstruktion
Identifikatorer
urn:nbn:se:kth:diva-172519 (URN)978-91-7595-658-9 (ISBN)
Disputation
2015-09-16, B319, Brinellvägen 85, KTH, Stockholm, 13:00 (Engelska)
Opponent
Handledare
Projekt
Gentle Forest Machines
Anmärkning

QC 20150827

Tillgänglig från: 2015-08-27 Skapad: 2015-08-25 Senast uppdaterad: 2015-08-27Bibliografiskt granskad

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Pirnazarov, AbdurasulPalaniappan, RevathiSellgren, UlfLöfgren, Björn
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