Overview of Deadbeat Predictive Control Technology for Permanent Magnet Synchronous Motor System

Permanent magnet synchronous motors (PMSMs) have been widespread used in high-performance automation due to their superior control precision and energy efficiency. With the development of digital processors, deadbeat predictive control (DPC) has promising control strategy for PMSM drive systems. However, the performance of DPC is highly sensitive to inaccuracies in system parameters, while the system delay and total harmonic distortion can also significantly affect its control effectiveness. This paper presents a comprehensive review of the advantages of DPC strategies applied to PMSMs, as well as their limitations in practical applications. Several improvement approaches are also discussed, including parameter identification methods, robust control methods, and delay compensation methods. Finally, the paper explores future research trends in this field, highlighting potential directions for the development of predictive control in PMSM drive systems.