toque characteristics, especially the order of the cogging torque are mathematically formulated. Matching principle of the … inferred since it affects MFM-BDRM’s performance greatly, especially in the respect of the cogging torque and electromagnetic … torque ripple. The above analyses are assessed with the three-dimensional (3D) finite-element method (FEM). …

permanent-magnet synchronous machine (PMSM) is researched. Considering the requirement of low torque ripple in low speed and … performance, such as torque ripple, cogging torque, average torque and back EMF wave are much improved after optimization. Finally …

This paper presents an improved Direct Torque Control (DTC) strategy for a Doubly Fed Induction Machine (DFIM) powered … objective is to improve the performance of the system by reducing electromagnetic torque ripples and improving the currents … strategy. Many improvements in term of rise time, torque ripples, flux ripples and current harmonics have been done, namely …

the conventional Direct Torque Control (DTC). Variable step size Perturb and observe (P&O) is used to extract the maximum … possible power from the PV panel. The validation of the control strategy is ensured by reducing the high torque, stator flux … of the FLC controller in terms of torque and flux ripples reduction, and daily pumped water. …

the conventional Direct Torque Control (DTC). Variable step size Perturb and observe (P&O) is used to extract the maximum … possible power from the PV panel. The validation of the control strategy is ensured by reducing the high torque, stator flux … of the FLC controller in terms of torque and flux ripples reduction, and daily pumped water. …

This paper presents an improved Direct Torque Control (DTC) strategy for a Doubly Fed Induction Machine (DFIM) powered … objective is to improve the performance of the system by reducing electromagnetic torque ripples and improving the currents … strategy. Many improvements in term of rise time, torque ripples, flux ripples and current harmonics have been done, namely …

(EVs). Five novel rotor teeth shapes are proposed and researched to reduce the cogging torque and torque ripple of the FSPM … of different rotor teeth shapes on cogging torque, torque ripple and electromagnetic torque are analyzed by the 2-D … comprehensively from the points of view of cogging torque, torque ripple, electromagnetic torque, flux linkage, back electromotive …

proposes a non-intrusive air gap torque method for efficiency estimation of in-service IMs. This approach gives results …