ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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9
Issue
vol 62 / September, 2019
Article

DOI 10.17586/0021-3454-2016-59-3-219-223

UDC 535.8; 538.958

MODELLING OF SYSTEM OF GALVANOMETER SCANNERS OPERATION AT FRAME SCANNING OF LASER BEAM

S. A. Alekseev
ITMO University, Saint Petersburg, 197101, Russian Federation; Associate Professor


N. V. Matveev
ITMO University, Saint Petersburg, 197101, Russian Federation; Assosiate professor


V. T. Prokopenko
ITMO University, Saint Petersburg, 197101, Russian Federation; Professor


A. S. Kashnikov
ITMO University, Saint Petersburg, 197101, Russian Federation; Postgraduate


A. V. Tregubov
ITMO University, Department of Light Technologies and Optoelectronics; Post-Graduate Student


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Abstract. Analysis of scanning systems for frame scanning of laser beam is presented; the use of galvano scanners is justified. Galvanometer scanner operation under PID control at high frequency of scanning is studied. Modeling of this type of scanner considered as a combination of mechanical and electrical systems demonstrates the system response to lag behind the control signal in time, the effect is to be accounted for when the scan of the beam line is performed.
Keywords: scanning system, laser galvanoscanner, control system, rotor of galvanoscanner, horizontal scanning, frame scanning, mechanical model, electrical model, frequency characteristics of scanning

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