Results 11 to 20 of about 80,128 (213)

Improvement on Flux Weakening Control Strategy for Electric Vehicle Applications

open access: yesApplied Sciences, 2021
This paper proposes an optimized flux weakening (FW) control strategy for interior permanent-magnet synchronous electric motor to address the critical issues that could occur under torque setpoint transition in flux weakening region, due, for example, to
Claudio Bianchini   +2 more
doaj   +1 more source

Design and Analysis of Dual-Rotor Modular-Stator Hybrid-Excited Axial-Flux Permanent Magnet Vernier Machine

open access: yesEnergies, 2022
This paper proposes a new structure of the dual-rotor hybrid-excited axial-flux permanent magnet vernier machine (DR-HEAFPMVM) with the modular stator and the consequent-pole PM (CPM) rotor for low-speed, high torque density applications such as in-wheel
Lun Jia   +4 more
doaj   +1 more source

Torque Increase Strategy for Induction Motor in the Field-Weakening Region Based on Model Predictive Control

open access: yesActuators, 2023
In the field-weakening region, the traditional field-weakening method for induction motor drives based on model predictive control (MPC) is to take a no-load operation as the premise and adjust the flux reference in the cost function proportional to the ...
Jingtao Huang   +3 more
doaj   +1 more source

Iron loss in permanent-magnet brushless AC machines under maximum torque per ampere and flux weakening control [PDF]

open access: yes, 2002
The airgap flux density distribution, flux density loci in the stator core, and the associated iron loss in two topologies of brushless AC motor, having a surface-mounted magnet rotor and an interior-mounted magnet rotor, respectively, are investigated ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
core   +1 more source

An Improved UDE-Based Flux-Weakening Control Strategy for IPMSM

open access: yesEnergies, 2019
Interior permanent magnet synchronous motors (IPMSMs) are usually used in electric vehicle drives and in other applications. In order to enlarge the speed range of IPMSMs, the flux-weakening control method is adopted.
Xin Gu   +4 more
doaj   +1 more source

Novel Mechanical Flux-Weakening Design of a Spoke-Type Permanent Magnet Generator for Stand-Alone Power Supply

open access: yesApplied Sciences, 2023
In this paper, a novel mechanical flux-weakening design of a spoke-type permanent magnet generator for a stand-alone power supply is proposed. By controlling the position of the adjustable modulator ring mechanically, the total induced voltage, i.e., the
Mingyuan Jiang, Shuangxia Niu
doaj   +1 more source

Mass loading of pulsar winds [PDF]

open access: yes, 2002
The dynamics of relativistic magnetized mass loaded outflows carrying toroidal magnetic field is analyzed in the context of Pulsar Wind Nebulae (PWNs).
Lyutikov, Maxim
core   +3 more sources

Impact of the motor magnetic model on direct flux vector control of interior PM motors [PDF]

open access: yes, 2011
The stator-field-oriented, direct-flux vector control has been proven to be effective in terms of linear torque control and model independent performance at limited voltage and current (i.e. in flux weakening) for AC drives of various types.
Bojoi, R.   +2 more
core   +1 more source

Unified Direct-Flux Vector Control for AC Motor Drives [PDF]

open access: yes, 2010
The paper introduces a Unified Direct-Flux Vector Control scheme suitable for sinusoidal AC motor drives. The AC drives considered here are Induction Motor, Synchronous Reluctance and synchronous Permanent Magnet motor drives, including Interior and ...
Bojoi, R.   +2 more
core   +1 more source

Analysis of a Novel Mechanically Adjusted Variable Flux Permanent Magnet Homopolar Inductor Machine with Rotating Magnetic Poles for Flywheel Energy Storage System

open access: yesCES Transactions on Electrical Machines and Systems, 2022
Permanent magnet homopolar inductor machine (PMHIM) has attracted much attention in the field of flywheel energy storage system (FESS) due to its merits of simple structure, brushless excitation, and rotor flywheel integration.
Qing Li   +3 more
doaj   +1 more source

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