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To eliminate the mechanical sensors of the permanent magnet synchronous motor (PMSM) drive, a nonlinear RBF network sliding mode speed/ position observer was proposed for sensorless control of PMSM. The sliding surface was defined based on the errors between actual and estimated currents. Sliding mode variable is the RBF neural network input, network output is the observer control strategy. The estimated...
Due to its great potential value in theory and application, nonlinear control strategies of synchronous motors (SM) in the nonlinear systems, especially passivity-based control (PBC) methods, have been a focus in the literature. An adaptive PBC strategy for SM with time-varying load torque to track flux and speed trajectories is proposed in this paper. The key point of this method is the identification...
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