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Contribution à une approche interdisciplinaire de la conception des systèmes mécaniques commandés : application aux axes de machines

Abstract : An interdisciplinary approach of controlled mechanical system design is used for the first-project step. We put emphasis on pluridisciplinary character of the design and on structure induction task during the predesign ; a methodology is proposed in order to achieve a global synthesis by identifying predominant phenomena. Their minimum model may lead to a solution structure which verified performance requirements. The study aims to synthesize controlled mechanisms. Based on dynamic interaction between mechanism and feedback-characterized by spillover and (non)colocated sensors- a minimum model is worked out for the interdisciplinary synthesis. Model analysis provides some interaction properties which are useful for the designer, especially for the location choices of position and speed sensor. Some nondimensional laws for the interdisciplinary synthesis of mechanisms are obtained from the algebric resolution of inverse problem. A “versatile” pole placement of servomechanism is established so as to specify the dynamic performances to be performed by the mechanism. These synthesis laws are associated with some classical laws dedicated to the choices of actuator and transmission ratio. Application to drive system of machine leads to a step-by-step approach and a more synthetic approach. Based on stated requirements and manufacturer catalogues a high speed translation drive system with a ball screw system can be design : actuator, kinematic, mechanism setting are chosen owing to presizing of the solutions.
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  • HAL Id : tel-03442214, version 1

Citation

Antoine Dequidt. Contribution à une approche interdisciplinaire de la conception des systèmes mécaniques commandés : application aux axes de machines. Mécanique [physics.med-ph]. Université de Valenciennes et du Hainaut-Cambrésis, 1998. Français. ⟨NNT : 1998VALE0006⟩. ⟨tel-03442214⟩

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