Shaping the energy of mechanical systems without solving partial differential equations

A. Donaire R. Mehra Roméo Ortega 1 F. Kazi N.-M. Singh
1 L2S - Laboratoire des signaux et systèmes
Abstract : Control of underactuated mechanical systems via energy shaping is a well-established, robust design technique. Unfortunately, its application is often stymied by the need to solve partial differential equations (PDEs). In this paper a new, fully constructive, procedure to shape the energy for a class of mechanical systems that obviates the solution of PDEs is proposed. The control law consists of a first stage of partial feedback linearization followed by a simple proportional plus integral controller acting on two new passive outputs. The class of systems for which the procedure is applicable is identified imposing some (directly verifiable) conditions on the systems inertia matrix and its potential energy function. It is shown that these conditions are satisfied by three benchmark examples.
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Article dans une revue
IEEE Transactions on Automatic Control, Institute of Electrical and Electronics Engineers, 2016, 61 (04), pp.1051-1056. 〈10.1109/ACC.2015.7170921〉
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01632603
Contributeur : Myriam Baverel <>
Soumis le : vendredi 10 novembre 2017 - 14:17:19
Dernière modification le : jeudi 5 avril 2018 - 12:30:06

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CENTRALESUPELEC | L2S | SUP_LSS | UNIV-PARIS-SACLAY | SUP_SYSTEMES

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A. Donaire, R. Mehra, Roméo Ortega, F. Kazi, N.-M. Singh. Shaping the energy of mechanical systems without solving partial differential equations. IEEE Transactions on Automatic Control, Institute of Electrical and Electronics Engineers, 2016, 61 (04), pp.1051-1056. 〈10.1109/ACC.2015.7170921〉. 〈hal-01632603〉

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