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On forestry machine and soil interaction for sustainable forestry
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.). (System and component design)
2014 (English)Licentiate thesis, comprehensive summary (Other academic)
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.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2014. , 42 p.
Series
TRITA-MMK, ISSN 1400-1179 ; 2014:03
National Category
Vehicle Engineering Other Mechanical Engineering
Research subject
Machine Design
Identifiers
URN: urn:nbn:se:kth:diva-144072ISBN: 978-91-7595-077-8 (print)OAI: oai:DiVA.org:kth-144072DiVA: diva2:710853
Presentation
2014-04-24, room B319, Brinellvägen 83, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

QC 20140409

Available from: 2014-04-09 Created: 2014-04-08 Last updated: 2014-04-09Bibliographically approved
List of papers
1. Model-Based Development of machines for sustainable forestry
Open this publication in new window or tab >>Model-Based Development of machines for sustainable forestry
2012 (English)In: 12th European Conference of the ISTVS, 2012Conference paper, Published paper (Other academic)
Identifiers
urn:nbn:se:kth:diva-144076 (URN)
Conference
12th European Conference of the ISTVS
Note

NQC 2014

Available from: 2014-04-08 Created: 2014-04-08 Last updated: 2015-08-27Bibliographically approved
2. Modeling of the bearing capacity of Nordic forest soil
Open this publication in new window or tab >>Modeling of the bearing capacity of Nordic forest soil
Show others...
2012 (English)In: 12th European Conference of the ISTVS, 2012Conference paper, Published paper (Other academic)
Identifiers
urn:nbn:se:kth:diva-144080 (URN)
Conference
12th European Conference of the ISTVS
Note

NQC 2014

Available from: 2014-04-08 Created: 2014-04-08 Last updated: 2015-08-27Bibliographically approved
3. Predicting the mobility of tracked forestry machines operating on Nordic forest soil
Open this publication in new window or tab >>Predicting the mobility of tracked forestry machines operating on Nordic forest soil
2013 (English)In: 7th Americas Regional Conference of the ISTVS, 2013Conference paper, Published paper (Refereed)
Keyword
soft soil, tracked vehicles, WES-models
National Category
Vehicle Engineering
Identifiers
urn:nbn:se:kth:diva-144081 (URN)
Conference
7th Americas Regional Conference of the ISTVS, 2013 Tampa, Florida
Note

QC 20150827

Available from: 2014-04-08 Created: 2014-04-08 Last updated: 2015-08-27Bibliographically approved
4. Development of a methodology for predicting the bearing capacity of rooted soft soil
Open this publication in new window or tab >>Development of a methodology for predicting the bearing capacity of rooted soft soil
2013 (English)In: 7th Americas Regional Conference of the ISTVS, 2013Conference paper, Published paper (Refereed)
Keyword
direct shear box, forest, off-road machine, soil strength, shear resistance, tree roots, wheel
National Category
Other Mechanical Engineering
Identifiers
urn:nbn:se:kth:diva-144079 (URN)
Conference
7th Americas Regional Conference of the ISTVS, 2013 Tampa, Florida
Note

QC 20150827

Available from: 2014-04-08 Created: 2014-04-08 Last updated: 2015-08-27Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf