Feedback control of the general two-trailers system with the Transverse Function approach

Abstract : The so-called "general two-trailers system" is a nonholonomic system composed of a controlled unicycle-like vehicle and two passive trailers with off-axle hitching. It is not differentially flat and cannot be transformed into the chained form system. Methods developed for this latter class of systems thus do not apply. The Transverse Function (TF) approach is here used to solve the trajectory tracking problem for this system. The proposed control solution yields practical stabilization of any reference motion, whether it is or is not feasible. Practical stabilization of non-feasible trajectories in the case of non-differently flat systems is of particular interest due partly to the difficulty of planning and calculating desired feasible state reference motions. The method is illustrated by simulation results which show that, in addition to the unconditional practical stabilization property evoked above, asymptotic stabilization of feasible and persistently exciting motions can also be achieved with the same performance as local stabilizers derived from a linear approximation of the tracking-error equations.
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Rapport
[Research Report] RR-7938, INRIA. 2012, pp.27
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Soumis le : lundi 23 avril 2012 - 17:55:08
Dernière modification le : vendredi 31 août 2018 - 09:13:02
Document(s) archivé(s) le : mardi 24 juillet 2012 - 02:35:49

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  • HAL Id : hal-00690532, version 1

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Pascal Morin, Claude Samson. Feedback control of the general two-trailers system with the Transverse Function approach. [Research Report] RR-7938, INRIA. 2012, pp.27. 〈hal-00690532〉

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