Electric spindle systems based on permanent magnet synchronous motors are widely used in high-speed machining and precision manufacturing. However, their speed control performance can be affected by mechanical friction, parameter variations, load fluctuations and unmodelled disturbances, particularly under low-speed re...
Jun Gu, Zhe-Xi Xu, Shi-Tao Song et al.· 2026 IEEE 7th International...· 0 citations
To address the degradation of speed-loop control performance caused by external disturbances and parameter uncertainties, this paper proposes a learning-enhanced predictive PI auto-tuning method for PMSM drives. A discrete-time speed-loop model and a finite-horizon cost function are constructed to balance tracking accu...
Jun Gu, Shi-Tao Song, Zhe-Xi Xu et al.· 2026 IEEE 7th International...· 0 citations
Servo control systems are frequently subjected to various uncertainties during operation, including load torque fluctuations, internal parameter variations, etc. These factors inevitably degrade system performance, necessitating the implementation of advanced control strategies to ensure stable operation. To address th...
Zhe-Xi Xu, Shi-Tao Song, Jun Gu et al.· 2026 IEEE 7th International...· 0 citations
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