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Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques
Tomohiko Hayakawa 1, Takanoshin Watanabe 2, Taku Senoo 1, Masatoshi Ishikawa 1
1Department of Creative Informatics, University of Tokyo, 2Hitachi Industry & Control Solutions, Ltd.

We propose a method to extend the corresponding frequency by using a pre-emphasis technique. This method compensates for the gain reduction of a galvanometer mirror in sine-wave path tracking using proportional-integral-differential control.

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