Experimental Verification of 10 MHz Multi-sampling Deadbeat Control for PMLSM Drive System using USPM Controller

Advances in semiconductor technology have dramatically improved the computing performance of controllers in embedded control system, making it possible to realize fast and precise control systems. In this study, 10 MHz multi-sampling deadbeat (MSDB) control was applied to a permanent magnet synchronous linear motor (PMLSM) drive system with a 20 kHz carrier frequency inverter using an FPGA controller. Simultaneously, a high-speed encoder detection system with T-methods based on 100 MHz DIO was implemented. The control characteristics of the proposed method and the conventional motion control method were evaluated and compared through simulations and experiments. As a result, it was confirmed that the proposed method achieves fast control response and robust characteristics compared to a conventional PI control and single-rate deadbeat (SRDB) control. Threfore, in this study we demonstrate the effectiveness of the proposed next-generation motion control method, which can achieve both high control response and robustness.