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Robust Terminal Area Energy Management Guidance using Flatness Approach

Abstract : This study deals with the design of a guidance scheme based on flatness theory and dedicated to the terminal area energy management phase of a reusable launch vehicle. The proposed guidance strategy is based on a non-linear dynamic inversion technique to handle the large flight envelope that characterises the reentry mission. This inversion takes advantage of a particular choice of linearising terms called flat outputs, that are used to perform an input-to-state linearisation. First, it is shown that the coupled in-plane and out-of-plane vehicle dynamics admits a set of flat outputs. The flatness property of this model is then used to compute the nominal control input profiles corresponding to a single reference trajectory computed off-line. Based on the linearised model obtained by dynamic inversion, a linear tracking controller is then designed so as to circumvent off-nominal flight conditions. Finally, robustness and performances of the proposed guidance scheme are assessed by performing Monte Carlo runs within an industrial simulation environment.
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Contributor : Franck Cazaurang <>
Submitted on : Sunday, June 7, 2009 - 10:55:05 PM
Last modification on : Thursday, January 11, 2018 - 6:21:08 AM



Vincent Morio, Franck Cazaurang, Alexandre Falcoz, Philippe Vernis. Robust Terminal Area Energy Management Guidance using Flatness Approach. IET Control Theory and Applications, Institution of Engineering and Technology, 2010, 4 (3), pp.472-486. ⟨10.1049/iet-cta.2008.0463⟩. ⟨hal-00392399⟩



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