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Prescribed performance synchronization control of dual-PMSM motion system via novel sliding mode control and adaptive extended state observer
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DOI：10.1016/j.isatra.2026.06.024.png)
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Abstract
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• This study proposes a disturbance suppression synchronous control scheme combining prescribed performance cross-coupling control (PPCCC) and novel sliding mode control (NSMC) to address dual-PMSM synchronous issues caused by parameter deviations and lumped disturbances in the high-precision automatic control field. • Prescribed Performance Control (PPC) guarantees synchronous error convergence to a predefined small residual set, while constraining overshoot and maintaining a minimum convergence rate for both steady-state and transient performance • The novel reaching law in sliding mode control enables rapid system convergence when far from the sliding surface and avoids convergence stagnation when approaching it, significantly reducing adjustment time. • Integrates an Adaptive Extended State Observer (AESO) for real-time lumped disturbance estimation, which enhances the robustness of NSMC against uncertainties like temperature variations and cutting load fluctuations. • Experimental results validate that the proposed scheme effectively suppresses disturbances, reduces synchronous errors, and meets the high-precision control requirements for dual-motor synchronous in automatic control systems.
Keywords:
Permanent magnet synchronous motor
Cross-coupling control
Prescribed performance control
Novel sliding mode control
Adaptive extended state observer
Synchronization control
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