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Communication Dans Un Congrès Année : 2013

Moment LMI approach to LTV impulsive control

Résumé

In the 1960s, a moment approach to linear time varying (LTV) minimal norm impulsive optimal control was developed, as an alternative to direct approaches (based on discretization of the equations of motion and linear programming) or indirect approaches (based on Pontryagin's maximum principle). This paper revisits these classical results in the light of recent advances in convex optimization, in particular the use of measures jointly with hierarchy of linear matrix inequality (LMI) relaxations. Linearity of the dynamics allows us to integrate system trajectories and to come up with a simplified LMI hierarchy where the only unknowns are moments of a vector of control measures of time. In particular, occupation measures of state and control variables do not appear in this formulation. This is in stark contrast with LMI relaxations arising usually in polynomial optimal control, where size grows quickly as a function of the relaxation order. Jointly with the use of Chebyshev polynomials (as a numerically more stable polynomial basis), this allows LMI relaxations of high order (up to a few hundreds) to be solved numerically.
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Dates et versions

hal-00797951 , version 1 (07-03-2013)

Identifiants

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Mathieu Claeys, Denis Arzelier, Didier Henrion, Jean-Bernard Lasserre. Moment LMI approach to LTV impulsive control. IEEE Conference on Decision and Control ( CDC ), Dec 2013, Florence, Italy. pp. 5810-5815. ⟨hal-00797951⟩
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