Vers une version alternative à la suspension CRONE Hydractive

Abstract : The Hydractive CRONE car suspension developed by the CRONE team provides outstanding performances. Indeed, the CRONE method ensures the robustness of the stability degree with respect to variations of the sprung mass, while the Hydractive strategy enables the switchover between a comfort-oriented architecture and a road-behavior-oriented one. The association of the CRONE method with the Hydractive strategy allows to circumvent most of the dilemmas that occur with traditional architecture suspensions. The present study aims to develop an alternative version of the CRONE suspension using two approaches. A first approach consists of the implementation of a passive metallic version based on leaf springs aiming the modernisation and optimisation of historical technologies. The second one, however, involves the use of a more relevant and increasingly widespread technology with the development of an active pneumatic version of the CRONE suspension. The complete modeling of the ``CRONE'' comfort-oriented architecture is then proposed through its pneumatic accumulators and nozzles. This new version, benefiting from the pneumatic active system and from the development of the Autonomous Connected Vehicle, opens up new prospects for the development of car suspensions.
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Jean-Louis Bouvin. Vers une version alternative à la suspension CRONE Hydractive. Automatique / Robotique. Université de Bordeaux, 2019. Français. ⟨NNT : 2019BORD0042⟩. ⟨tel-02119390⟩

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