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Fluid Power Control of a Flexible Mechanical Structure
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Mechanical Engineering, Engineering Mechanics. Linköping University, The Institute of Technology.
1997 (English)Report (Other academic)
Abstract [en]

Control of a hydraulic crane is considered. Due to the oscillatory character of the system smooth the operation of the crane is a demanding task. In order to improve the handling properties feedback control of the crane is studied. Based on linearized models feedback regulators of both LQG and PID type are designed. The feedback is based on position, pressure and acceleration measurements. Since the properties of the system change with load and operating point adaptive control is also introduced. The use of accelerometer signals for impact detection is also discussed. The proposed solutions are tested in both simulations and experiments on a real crane.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 1997. , 36 p.
LiTH-ISY-R, ISSN 1400-3902 ; 1961
Keyword [en]
Hydraulic crane, Feed-back control, LQG, PID
Keyword [sv]
Maskinelement Servomekanismer Automation
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55394ISRN: LITH-ISY-R-1961OAI: diva2:315987
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2014-09-18Bibliographically approved

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