Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF [PDF]
, 2004 The sensorless control of brushless machines by detecting the third harmonic back electromotive force is a relatively simple and potentially low-cost technique.
Howe, D., Shen, J.X., Zhu, Z.Q.
core +1 more source
Reference Input Signals Formation for Induction Motor Control in Traction Drive
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2023 The purpose of this work is to build the analytical improved (with resistances estimation) real time computation of the reference inputs for rotor flux and torque in the vector control system of an induction motor of a traction electric drive.
O. F. Opeiko
doaj +1 more source
Torque maximisation of the PMAC motor for high performance, low inertia operation [PDF]
, 2003 This paper describes the techniques applied to maximise the torque en- velope of the permanent magnet AC (PMAC) motor operating under current and voltage constraints.
Blauch +10 more
core +2 more sources
Expansion of Motor High-Efficiency Area by Inserting Magnetic Composite Material into Rotor
IEEE Access, 2023 Variable magnetic flux motors have been proposed to achieve high-efficiency operation over a wide drive range ranging from high torque to high-speed. This paper clarifies the high efficiency area expansion effect of a variable flux motor with a magnetic ...
Mitsuhide Sato +4 more
doaj +1 more source
Seismicity in a model governed by competing frictional weakening and healing mechanisms [PDF]
, 2009 Observations from laboratory, field and numerical work spanning a wide range of space and time scales suggest a strain dependent progressive evolution of material properties that control the stability of earthquake faults.
Archuleta, R. J. +2 more
core +1 more source
A Novel High-Performance Field-Weakening Control for Axial Flux-Switching Permanent-Magnet Motor
Iranian Journal of Electrical and Electronic Engineering, 2020 By combining the field-weakening control principle of a new axial flux-switching permanent-magnet motor (AFFSSPM) with the space vector pulse width modulation (SVPWM) and maximum torque per voltage (MTPV) control principle, a novel field-weakening ...
J. Rahmani Fard
doaj
Online optimal flux-weakening control of permanent-magnet brushless AC drives [PDF]
, 2000 An enhanced online optimal control strategy, which maximizes the flux-weakening performance of a brushless AC motor, is described, and applied to motors having different rotor topologies: interior (radial or circumferential), inset, and surface-mounted ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
core +1 more source
Research on an Axial Flux PMSM with Radially Sliding Permanent Magnets
Energies, 2015 Axial flux permanent-magnet synchronous machines (PMSMs) are very suitable candidates for the power train of electric vehicles (EVs) due to high power density and high efficiency.
Jing Zhao, Bin Li, Zhongxin Gu
doaj +1 more source
Comparison of Induction and PM Synchronous motor drives for EV application including design examples [PDF]
, 2012 Three different motor drives for electric traction are compared, in terms of output power and efficiency at the same stack dimensions and inverter size. Induction motor (IM), surface-mounted permanent-magnet (PM) (SPM), and interior PM (IPM) synchronous ...
Boazzo, Barbara +3 more
core +1 more source
Influence of skew and cross-coupling on flux-weakening performance of permanent-magnet brushless AC machines [PDF]
, 2009 A method is proposed for predicting the flux-weakening performance of permanent-magnet (PM) brushless ac machines accounting for skew and d-q axis cross-coupling.
Chen, J.T. +5 more
core +1 more source