Galvano scanners are used as laser beam scanners in laser drilling machines. The galvano scanner requires high-speed and high-precision control for more precise laser processing with high throughput. Heat generated by current amplifiers becomes problematic as the positioning speed of the galvano scanner increases. We propose a final-state control (FSC) method that considers voltage constraint of the current amplifiers. By considering the constraint of the applied voltage on the motor, the power supply voltage of the current amplifier can be lowered. Therefore, the electricity consumption and the heat generated by the current amplifier can be reduced. Experimental results show the effectiveness of the proposed method.
- Dynamic Systems and Control Division
Trajectory Design Method for Voltage Saturation of a Current Amplifier
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Ueda, S, Hirata, M, & Kuroki, Y. "Trajectory Design Method for Voltage Saturation of a Current Amplifier." Proceedings of the ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference. Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems. Fort Lauderdale, Florida, USA. October 17–19, 2012. pp. 49-54. ASME. https://doi.org/10.1115/DSCC2012-MOVIC2012-8549
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