the direct torque control (dtc) of interior permanent magnet synchronous motor (ipmsm) offers simple structure and fast torque response. the conventional switching table-based dtc (st-dtc) presents some disadvantages like high torque and flux ripple and also variable switching frequency. this paper investigates the improved st-dtc strategies to reduce both torque and flux ripple in dtc of ipmsm...

A permanent magnet assistance synchronous reluctance motor can start directly with a net voltage or power converter via torque control method. However, this has usually higher irreversible demagnetization level in comparison interior motors, due to the fewer magnets rotor slots. In order cope disadvantage, different arrangements of line-start are proposed paper. The V shape taking skewed slots ...

A high-bandwidth (>20 kHz) motor emulator (ME) prototype for ac machines, utilizing field programmable gate array (FPGA)-based hybrid model predictive control (MPC) and a high fidelity implemented with voltage source power converter, fast-switching SiC devices, is presented in this article. The MPC incorporates unique stitching modulation strategy that synchronizes the inverter switching state ...

In this paper, a novel variable-leakage-flux interior permanent magnet (VLF-IPM) motor is proposed, which kind of mechanical flux-adjusting PM motor. The VLF-IPM can obtain the advantages IPM and overcome difficulty to adjust airgap flux by locating self-activating device that introduced in paper on rotor. effect barriers leakage circuit analysed establishing rotor parametric model clarify infl...