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Model-Based Development of Control Systems for Forestry Cranes
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2015 (English)In: Journal of Control Science and Engineering, ISSN 1687-5249, E-ISSN 1687-5257, Vol. 2015, 256951Article in journal (Refereed) PublishedText
Abstract [en]

Model-based methods are used in industry for prototyping concepts based on mathematical models. With our forest industry partners, we have established a model-based workflow for rapid development of motion control systems for forestry cranes. Applying this working method, we can verify control algorithms, both theoretically and practically. This paper is an example of this workflow and presents four topics related to the application of nonlinear control theory. The first topic presents the system of differential equations describing the motion dynamics. The second topic presents nonlinear control laws formulated according to sliding mode control theory. The third topic presents a procedure for model calibration and control tuning that are a prerequisite to realize experimental tests. The fourth topic presents the results of tests performed on an experimental crane specifically equipped for these tasks. Results of these studies show the advantages and disadvantages of these control algorithms, and they highlight their performance in terms of robustness and smoothness.

Place, publisher, year, edition, pages
2015. Vol. 2015, 256951
National Category
Robotics Control Engineering
URN: urn:nbn:se:umu:diva-112787DOI: 10.1155/2015/256951ISI: 000361955200001OAI: diva2:882360
Available from: 2015-12-14 Created: 2015-12-14 Last updated: 2016-02-15Bibliographically approved

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La Hera, PedroMorales, Daniel Ortiz
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