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  4. Jet-Scheduling Control for SpiderCrane: Experimental Results
 
conference paper

Jet-Scheduling Control for SpiderCrane: Experimental Results

Buccieri, D.
•
Salzmann, C.  orcid-logo
•
Mullhaupt, Ph.  
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2008
IFAC Proceedings Volumes
IFAC World Congress

SpiderCrane is a three-dimensional crane, whose main particularity lies in the absence of large inertial moving parts. This paper presents experimental results obtained with the novel jet-scheduling control methodology that is based on differential flatness. Jet scheduling consists essentially in using measurements to regenerate the derivatives associated with a reference trajectory. Through this regeneration, the feedforward control law, which is computed from the reference trajectory using the flatness property, is transformed into a feedback control law. Jet-scheduling control takes full advantage of the dynamic possibilities of SpiderCrane as it allows operation far away from the quasi-static mode of operation. In contrast to proportional-like compensators, the proposed control scheme does not over-react whenever the load is displaced in a persistent way, mainly because only higher derivatives are scheduled. Furthermore, the position of the upper pulley can be adapted without requiring a change in the load position, that is, without over-pulling the main cable. This general compliance makes the control methodology ``user friendly'' without cutting down on dynamic performance. Both point stabilization and trajectory tracking can be implemented.

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Type
conference paper
DOI
10.3182/20080706-5-KR-1001.00535
Author(s)
Buccieri, D.
Salzmann, C.  orcid-logo
Mullhaupt, Ph.  
Bonvin, D.  
Date Issued

2008

Published in
IFAC Proceedings Volumes
Volume

41

Issue

2

Start page

3148

End page

3154

Subjects

Crane Control

•

Differential Flatness

•

Tracking

•

Stabilization

•

Underactuated Mechanical Systems

Note

Prj_spidercrane

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LA  
REACT  
Event nameEvent placeEvent date
IFAC World Congress

Seoul

July 2008

Available on Infoscience
September 20, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/12238
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