Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis TechniquesTomohiko 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.
