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Modeling dynamics of an electro-hydraulic servo actuated manipulator: A case study of a forestry forwarder crane
Swedish University of Agricultural Sciences.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics. (Robotics and Control Lab)
2012 (English)In: World Automation Congress (WAC), 2012, 2012Conference paper (Refereed)
Abstract [en]

System modeling and parameters estimation are key elements to realize model-based control. Here, we present a discussion of modeling dynamics of a forestry forwarder crane, for which standard Euler-Lagrange formulations are used to describe its equations of motion. To calibrate this model according to experimental data, we perform parameter estimation based on the method of least squares. This procedure allows identifying various unknown parameters, which are related to the inertias, masses, location of center of masses, and friction forces coefficients. The results of simulation tests show a significant correspondence between measured and estimated variables, validating our modeling approach.

Place, publisher, year, edition, pages
, World Automation Congress proceedings, ISSN 2154-4824
National Category
URN: urn:nbn:se:umu:diva-61826ISBN: 978-1-4673-4497-5OAI: diva2:572567
World Automation Congress (WAC) 2012, 24-28 June 2012, Puerto Vallarta, Mexico
Available from: 2012-11-28 Created: 2012-11-26 Last updated: 2016-02-15Bibliographically approved

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La Hera, Pedro XOrtíz Morales, Daniel
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Department of Applied Physics and Electronics

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