International Journals Seok-Kyoon Kim and Kyo-Beum Lee, "Surface Stabilizing Speed-Tracking Control for PMSMs via Loop Adaptation and Order Reduction Approaches," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 11, no. 1, pp. 545-555, Feb. 2023. -SCI
2023
본문
The proposed single-loop solution to the permanent magnet synchronous motor (PMSM) speed-tracking problem provides improved transient
performance and robustness by overcoming the two challenging points of parameter variation and performance inconsistency due to load changes.
The features are summarized as follows: a) the proportional-type control law exponentially stabilizes the desired surface with the disturbance
observers through the order reduction property, resulting in the q-axis current independent single-loop structure for speed control with first-order
speed error dynamics; b) the parameter-independent angular acceleration observer renders the proportional-type surface-stabilizing control
implementable without an additional sensor and direct time derivative operation based on the speed measurement; and c) the adaptive convergence
rate mechanism in the analytic form provides improved transient performance through the loop adaptation of the closed-loop system without
requiring an additional optimization process. The experimental study demonstrates the practical advantages using a 1-kW PMSM drive system.
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