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Active damping of longitudinal oscillations in a wheel loader
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Optimization and Systems Theory.
2006 (English)In: Computer Aided Control System Design, 2006, 1097-1102 p.Conference paper (Refereed)
Abstract [en]

A simplified model of the longitudinal motion around a constant velocity trajectory of a wheel loader is developed, for the purpose of finding a control that actively damps oscillations in the acceleration, following an up shifting gear change. Measurements from different drivers and different gear changes indicate similar oscillation frequencies for the investigated vehicle. The model parameters and the gear change induced disturbance are adjusted so that the model output closely fits the true measurements of the vehicle acceleration after a gear change, in the investigated frequency band. With the engine as a torque actuator, active damping of the oscillations in the acceleration is investigated through simulations. The possible improvements using feedback from measured engine speed seem to be limited, while a predefined feed-forward programme shows promising results.

Place, publisher, year, edition, pages
2006. 1097-1102 p.
, IEEE International Conference on Control Applications, ISSN 1085-1992
National Category
Other Mathematics
URN: urn:nbn:se:kth:diva-42225DOI: 10.1109/CCA.2006.286017ISI: 000245233801026ScopusID: 2-s2.0-43049179519ISBN: 978-0-7803-9795-8OAI: diva2:446520
Computer Aided Control System Design, 2006 IEEE International Conference on Control Applications, 2006 IEEE International Symposium on Intelligent Control, 2006

QC 20111007

Available from: 2011-10-07 Created: 2011-10-06 Last updated: 2014-11-03Bibliographically approved

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Hallander, Elin
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