What does this research mean for the field?

An adaptive disturbance-rejection sliding mode speed control method based on dual reaching laws outperforms existing schemes in dynamic response, vibration suppression, and disturbance rejection for permanent magnet synchronous motors. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To resolve the trade-offs between convergence speed, chattering suppression, and disturbance rejection accuracy in permanent magnet synchronous motor speed control.

August 22, 2026International Journal of Circuit Theory and Applications

Adaptive Anti‐Disturbance Sliding Mode Speed Control of PMSM Using Dual Reaching Laws

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To resolve the trade-offs between convergence speed, chattering suppression, and disturbance rejection accuracy in permanent magnet synchronous motor speed control.
Designed a dual reaching law architecture combining an adaptive variable-speed reaching law for the speed loop with an improved exponential reaching law for disturbance estimation.
Constructed an extended sliding mode disturbance observer using a nonlinear integral sliding surface designed to eliminate integral saturation and ensure finite-time convergence.
Integrated the observer and compensation mechanism into a nonlinear adaptive sliding mode controller, evaluated via simulations and motor drive experiments.
The dual-control-law architecture resolved the conflict between rapid transient response and chattering suppression across varying operating conditions.
Simulation and experimental outcomes demonstrated superior dynamic performance, vibration mitigation, and robust disturbance rejection over conventional control schemes.

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Implication

Experimental evaluation demonstrates enhanced dynamic response and vibration suppression in permanent magnet synchronous motors, indicating robust anti-disturbance precision.

Cite This Study

Chu et al. (2026) studied this question.

synapsesocial.com/papers/6a895fe4ca7ade938187ee85 https://doi.org/10.1002/cta.70612

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Implication

Experimental evaluation demonstrates enhanced dynamic response and vibration suppression in permanent magnet synchronous motors, indicating robust anti-disturbance precision.

Adaptive Anti‐Disturbance Sliding Mode Speed Control of PMSM Using Dual Reaching Laws

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Discussion

Implication

Cite This Study

Adaptive Anti‐Disturbance Sliding Mode Speed Control of PMSM Using Dual Reaching Laws

Key Points

Discussion

Implication

Cite This Study

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