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This study aims to design an adaptive output recurrent cerebellar model articulation controller (AORCMAC), which is embedded into the direct torque control (DTC) system of an induction motor as the speed controller. Similar to the conventional cerebellar model articulation controller (CMAC), the designed AORCMAC also has the advantages of rapid learning, simple architecture, online training, and nonlinear...
In this paper, a dead-beat direct torque and flux control with a novel sliding-mode stator flux observer is proposed for electric vehicle (EV) drives. Compared to the direct torque control, the proposed scheme exhibits both static and dynamic performances. Since the system parameters have impact on the control effect of the permanent magnet synchronous motor (PMSM) deadbeat-direct torque control (DB-DTC)...
This paper presents an improvement study on the stator core loss for the slotless PM motor. The core loss influences the efficiency in high speed applications. In this paper, a PMBLDC motor using in dental handpiece is proposed as an example to improve the core loss by altering the stator profile and the fixed pin location. And then, both FEA simulation and practical measurement are carried out to...
To improve the performance of an open winding interior permanent magnet synchronous motor (IPMSM) drive system, a space vector modulation based direct torque control (SVM DTC) strategy combined with Maximum Torque per Ampere (MTPA) concept is proposed in this paper. The MTPA trajectories are analyzed in rotor voltage frame, and then combined with SVM DTC in torque flux linkage frame. An imaginary...
This paper presents a sliding mode control (SMC) design based on radial basis function neural network (RBFNN) to robust stabilization and disturbance rejection of the synchronous reluctance motor (SynRM) drive system. This method utilizes Lyapunov function and the steep descent rule to guarantee the convergence of the SynRM system asymptotically. Finally, we employ the experiments to validate the...
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