Abstract
A novel MIMO adaptive linear feedback controller is proposed in this paper to synchronise chaotic permanent magnet synchronous motors (PMSM). The proposed control uses a nonlinear sliding mode observer for speed estimation. The controller consists in determining an adaptation law to tune the controller gain vector in order to track a predetermined linearising feedback control. Asymptotic stability of the closed-loop synchronisation error system is proved based on Lyapunov approach. The designed adaptive controller presents an important advantage since it does not require exact model of PMSM. The simulation results are presented to demonstrate that the constructed scheme can ensure perfect synchronisation even under external disturbances.
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