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Caractérisation et Modélisation d'un distributeur proportionnel électropneumatique pour la Simulation et la synthèse de Commande

Abstract : This paper presents a static model of a one type of FES-TO electro-pneumatic proportional valves. This model will be used to design linear or nonlinear control strate-gy. The experimental characterization of pneumatic fluid power components, especially proportional valves and servo-valves are required when their behavior must be modeled. Since the technical specification from manufac-ture are, in general, insufficient, an experimental meas-urement is carried out. A simulation model using these experimental measurements is proposed. An approxima-tion of the mass flow stage characteristic of this five-way proportional valve is presented. This work is required to improve the performance of a mechanical simulator (BirthSIM) that is used to simulate labor during child-birth and to train students in the obstetrical art. BirthSIM is composed of a dynamic manikin simulating a pregnant human female and in witch a new-born head is located within a pelvis floor. The new-born head is connected with a pneumatic actuator driven by two ser-vodistributor FESTO. The objective of this research is to make BirthSIM work automatically, and to carry out the synthesis of the linear et nonlinear control laws in feed-back control in position or in force tracking according to desired trajectories.
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Osama Olaby, Xavier Brun, Sylvie Sesmat, Tanneguy Redarce. Caractérisation et Modélisation d'un distributeur proportionnel électropneumatique pour la Simulation et la synthèse de Commande. Sciences et Technologies de l'Automatique, 2005, 2 (3), pp.revue électronique. ⟨hal-00411697⟩

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