Galvanometer scanner modeling for Selective Laser Melting deflection system simulation

Fetra Rasoanarivo; Pedro Rodriguez-Ayerbe; Didier Dumur

Galvanometer scanner modeling for Selective Laser Melting deflection system simulation

Fetra Rasoanarivo ¹ Pedro Rodriguez-Ayerbe ¹ Didier Dumur ¹

1 L2S - Laboratoire des signaux et systèmes

Abstract : Modeling of the actuating element of the three axis galvanometer based actuator for Selective Laser Melting (SLM) additive manufacturing (AM) process is addressed in this paper. Dynamic behavior of the single axis galvanometer motor actu-ator is studied with physical considerations that improve basic linear and simplified existing models and extend the frequency domain validity of the proposed model. Optimal feedback and feedforward-type control structure synthesis is derived through a black-box identification of the actual industrial system for the models validation purpose. Responses of the developed models are compared to experimental data. Modeling errors coming from both the actuator behavior (angular position values) and the marking process qualities (marking and focusing planes geometrical parameters) are found to be sufficiently small to allow the developed simulator to be used as an entry point for future investigations on the the single axis motor and the complete three axis actuator system.

Document type :

Conference papers

Domain :

Engineering Sciences [physics] / Automatic

Complete list of metadatas

https://hal-centralesupelec.archives-ouvertes.fr/hal-02111244
Contributor : Didier Dumur <>
Submitted on : Thursday, April 25, 2019 - 10:24:39 PM
Last modification on : Monday, April 29, 2019 - 2:19:07 PM

Galvanometer scanner modeling for Selective Laser Melting deflection system simulation

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Galvanometer scanner modeling for Selective Laser Melting deflection system simulation

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