Approche énergétique pour la représentation, la structuration et la synthèse des Systèmes d’Assistance à Opérateur : application aux chaînes de commande de vol d’hélicoptère

Abstract : A rotorcraft is a complex dynamic physical system. The development of this kind of systems requires methods to analyze its structure and its behavior and to control this latter. The energetic framework (bond graph and Hamiltonian formulation) allows a multiphysical nonlinear representation, modular and with several levels of granularity. Among its components, flight controls transmit the orders from the pilot to rotors. Leading the motive power (about 2MW) directly from a handling control is almost impossible without active devices for assistance. In order to represent the flow of the control information and its processing, a cyberphysical representation combines a multiphysical representation with an informational representation (bloc diagram).This thesis work aims at proposing an intermediate granularity level between purely multiphysical representations and cyberphysical representations. Based on PMBC (Physical Model Based Control) approach, a new method to represent the assistance parts is proposed, by means of a physical equivalent model. The method is then enriched by a genuine design procedure of an Operator Assisting System: we determine where actuators must operate, according to which control laws and from which measurements. The method is applied to an industrial case: two representations of the possible design solutions set are obtained, a detailed cyberphysical representation and a global representation of its behavior. The actual industrial solution belongs to the defined set of possible solutions.
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  • HAL Id : tel-01447390, version 1

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Matthieu Touron. Approche énergétique pour la représentation, la structuration et la synthèse des Systèmes d’Assistance à Opérateur : application aux chaînes de commande de vol d’hélicoptère. Automatique / Robotique. Ecole nationale supérieure d'arts et métiers - ENSAM, 2016. Français. ⟨NNT : 2016ENAM0008⟩. ⟨tel-01447390⟩

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