SONG Z, CAO X, ZHOU W H, et al. Model predictive direct speed control of pmsm considering friction characteristics[J/OL]. Acta Armamentarii, 2026(2026-04-30). https://doi.org/10.12382/bgxb.2025.0928. (in Chinese)
SONG Z, CAO X, ZHOU W H, et al. Model predictive direct speed control of pmsm considering friction characteristics[J/OL]. Acta Armamentarii, 2026(2026-04-30). https://doi.org/10.12382/bgxb.2025.0928. (in Chinese)DOI:
Model Predictive Direct Speed Control of PMSM Considering Friction Characteristics
This study introduces a model predictive direct speed control (MPDSC) strategy that incorporates friction characteristics to enhance the control performance of permanent magnet synchronous motor (PMSM) speed control systems. Based on the PMSM mathematical model
an unweighted MPDSC control method was designed to avoid the complex tuning of weighting factors and improve dynamic response. By introducing aLuenbergerdisturbance observer
the system's anti-interferenceability was enhanced. We analyzed the influence of friction characteristics on MPDSC and disturbance observer in response to the commonly overlooked friction damping
and proposed an improvedStribeckfriction model to reduce this influence. This model has adaptive speed correlation and can accurately reflect the coupling characteristics of friction torque with speed variation. The experimental results show that compared with the control without considering friction characteristics
the proposed method improves the dynamic response by 20%
reduces overshoot by 40%
and enhances disturbance resistance by over 20%
significantly improving the control performance. This method is applicable to some weapon servo equipmentwith severe friction phenomena
such asself-propelled artillery drive
missile wing actuator
radar turntable servo
etc.
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references
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