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1 August 2005 Electromagnetic and structural FEA modeling of induction actuated scanning mirrors
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Abstract
The prediction of the behavior of the induction actuated scanners is a problem that involves the modeling of different physical domains as structural and electromagnetic. The Finite Element Approach is a highly viable alternative to obtain reliable predictions for its behavior over other available methods as the analytic, or circuit equivalent methods. In this owrk a finite element model for the structural an electromagnetic domains of the induction actuated scanning mirror was presented. To validate these models two experiments were performed, a laser doppler vibrometry of the double-rotor scanner to identify its modes shapes and natural frequencies and a magnetic field mapping of the actuator to obtain the spatial characteristic of the AC and DC magnetic fields generated by the actuator in the device armature region. There is a good agreement between the FEA models and the experimental results.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
L. C. M. Oliveira, K. M. Ahmida, and L. O. S. Ferreira "Electromagnetic and structural FEA modeling of induction actuated scanning mirrors", Proc. SPIE 5873, Optical Scanning 2005, (1 August 2005); https://doi.org/10.1117/12.620634
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