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Communication Dans Un Congrès Année : 1999

A comparative study between two control laws of an electropneumatic actuator

Résumé

This paper focuses on a comparison between two positioning control laws of a half meter stroke electropneumatic disymmetrical cylinder controlled by two three-way servo-distributors : a fixed gains control law and a control law with scheduling gains. Using physical laws, the first part of this paper describes a nonlinear model of this process and focuses on the difficulty for obtaining servo-distributors mass flow rates. A specific choice of the control inputs leads to a single input model. A tangent linearised model is obtained. The two different control laws are described and implemented using a well-known dSPACE interface card. Experimental results obtained for point to point control are presented and discussed.
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hal-02064157 , version 1 (20-03-2019)

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Xavier Brun, Sylvie Sesmat, Daniel Thomasset, S. Scavarda. A comparative study between two control laws of an electropneumatic actuator. ECC, Aug 1999, Karlsruhe, Germany. pp.2967-2974, ⟨10.23919/ECC.1999.7099780⟩. ⟨hal-02064157⟩
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